Category: TAL

HPE NonStop Tandem Programming Languages and Development Timeline

The development of programming languages on the HPE NonStop platform (originally founded as Tandem Computers) is tightly bound to its architectural hardware transitions: from custom CISC stack machines to MIPS RISC, Intel Itanium, and eventually standard Intel x86-64 infrastructures.

Detailed List of NonStop Programming Languages

1. Core Proprietary & System Languages

  • TAL (Transaction Application Language): The foundational system programming language for Tandem. It is a block-structured, machine-dependent procedural language designed to compile directly into highly efficient machine instructions. It features ALGOL/Pascal-like syntax but implements C-like semantics, structural pointers, and weak data typing.
  • pTAL & epTAL: Specialized evolutions of TAL. Rather than rewriting legacy codebases from scratch during architecture shifts, pTAL was introduced to compile existing TAL code natively into MIPS RISC architectures. Later, epTAL was developed to target Intel Itanium microprocessors.
  • TACL (Tandem Advanced Command Language): A built-in command interpreter and interpreted scripting language. It functions like a Unix Bash shell but features highly complex macro capacities used to orchestrate system configurations, monitor processes, and automate failover procedures.

2. Enterprise & Enterprise Legacy Languages

  • COBOL85 (and older COBOL74): The undisputed workhorse of NonStop commercial workloads. HPE’s tailored implementation of the COBOL85 standard natively interfaces with the Guardian OS. It allows programmers to embed SQL/MP statements and program fault-tolerant Process Pairs through HPE NonStop Pathway (TS/MP).
  • SCOBOL (Screen COBOL): A specialized, high-level structural derivative of COBOL utilized exclusively to build blocks for character-cell terminal interfaces (such as the 6530 terminal environments) running within Pathway architectures.
  • NonStop SQL (SQL/MP and SQL/MX): While technically a database system, its embedded syntax acts as a declarative language integrated into C and COBOL. SQL/MP works with the legacy Guardian file system, while SQL/MX brings ANSI-compliant SQL closely bound with the Open System Services (OSS) environment.

3. Standard Mainstream Languages

  • C & C++: Heavily introduced during the RISC transition to allow software portability. Mainstream development on modern NonStop systems uses standard C/C++ cross-compilers. They run in either the native fault-tolerant Guardian personality or the standard POSIX-compliant Open System Services (OSS) environment.
  • Java: A first-class language layer deployed natively on NonStop. HPE optimizes the Java Virtual Machine (JVM) to scale across multi-CPU shared-nothing frameworks, allowing modern enterprise web apps to run with out-of-the-box system availability.

4. Modern Open-Source Options

  • Python, Go, & JavaScript (Node.js): Modern procedural and script utilities provided by HPE. These environments leverage the OSS POSIX platform layer, running modern DevOps orchestration, microservices, and hybrid-cloud pipelines alongside the native database engines.

Detailed Timeline Breakdown by Era and Year

The evolution of NonStop languages maps directly across distinct engineering ownership eras.

The Proprietary Foundation Era (Tandem Computers: 1974–1989)

  • 1976: Tandem ships the original Tandem/16 (NonStop I). TAL is the only available language on the platform. The entire Guardian Operating System is written completely in TAL.
  • 1981: The NonStop II hardware is introduced. Tandem expands language support to include COBOL74, FORTRAN, and BASIC to attract mainstream banking clients.
  • 1983: Tandem releases the Transaction Monitoring Facility (TMF) and Pathway application management software. SCOBOL is introduced alongside them to program secure terminal entry interfaces.
  • 1985: TACL is deployed, completely modernizing the command line shell ecosystem with scalable macros and structured operational control.
  • 1986: Tandem launches NonStop SQL, the first linearly scalable, fault-tolerant relational database engine. Embedded SQL syntax is integrated directly into TAL and COBOL compilers.
  • 1988: Compilers undergo a major update to natively support the newly established COBOL85 standard, which quickly replaces COBOL74 for all mission-critical banking transactions.

The Open Systems & Hardware Transition Era (Compaq: 1990–2001)

  • 1991: Hardware migrates from CISC stacks to MIPS RISC architectures with systems like the Cyclone/R. To protect client software assets, Tandem delivers the pTAL compiler to translate TAL source code into native RISC binaries.
  • 1995: Tandem introduces Open System Services (OSS), a POSIX-compliant UNIX subsystem running over the Guardian kernel. This brings full-scale, native native compliance for standard ANSI C and C++ programming.
  • 1997: Compaq acquires Tandem Computers. Engineering shifts heavily toward implementing Java on NonStop, targeting cross-platform, enterprise internet-banking codebases.
  • 2000: NonStop SQL/MX is released. It allows developers to use embedded SQL statements within standard C, C++, and emerging Java applications inside the OSS runtime environment.

The Corporate Alignment & Itanium Era (Hewlett-Packard: 2002–2014)

  • 2002: HP merges with Compaq. Java is designated as a first-class citizen on the platform, receiving deeper optimization to tie into native clusters seamlessly.
  • 2005: HP releases the Integrity “NonStop i” servers, moving processors away from MIPS onto Intel Itanium architectures. The epTAL compiler is rolled out alongside standard C/C++ updates to seamlessly compile older environments onto Itanium.
  • 2011: Open-source scripting engines, including early ports of modern Python, are introduced to the OSS environment, easing the system-management burden for engineers unfamiliar with legacy TACL.

The Modern Enterprise Era (Hewlett Packard Enterprise: 2015–2026)

  • 2015: HP splits, and the platform transitions to HPE. Standard Intel x86-64 hardware dominates with the NonStop X architecture. Compilers utilize an standard GCC/LLVM-based back end, allowing normal Linux/Unix C++ programs to build on NonStop with minimal alteration.
  • 2020: Sales of Itanium systems officially terminate. Legacy languages like TAL are deprecated for new software creation but are preserved to support older, foundational logic.
  • 2023–2024: HPE rolls out modern cloud-ready DevOps Starter Kits. Full, native support is added for modern languages such as Go, modern Python 3.x, and Node.js, allowing them to integrate into modern automated CI/CD build environments.

HPE NonStop Tandem Programming Languages and Development Timeline

ACI Worldwide XPNET Message-Oriented Middleware, MOM

XPNET (often distributed as part of the NET24 suite) is a proprietary, mission-critical Message-Oriented Middleware (MOM) and network management infrastructure developed by ACI Worldwide.

It is designed to run primarily on fault-tolerant HPE NonStop (Tandem) systems. XPNET acts as the foundational layer for ACI’s globally dominant payment engines, BASE24 and BASE24-eps.

It provides the multi-node network architecture, data routing, inter-process communication, and transaction logging required to safely process hundreds of millions of ATM, Point of Sale (POS), and mobile payments daily.

Key Architectural Technical Description

  • Core Function: XPNET acts as the vital gateway between terminal devices (ATMs, POS terminals), regional interchanges (Visa, MasterCard), and a bank’s back-end host system.
  • Network Environment File (NEF): All physical and logical configurations of an XPNET deployment—including nodes, links, processes, stations, and communications lines—are centrally defined inside the NEF.
  • Fault Isolation: XPNET monitors processes using a distributed architecture. If an interface process or line drops, XPNET safely queues or reroutes transactions to achieve “five-nines” (99.999%) financial system uptime.
  • Audit and Tracing: XPNET intercepts all systemic message traffic, managing the core Transaction Log File (TLF) and generating event messaging for fraud monitoring and performance profiling.

Detailed XPNET Historical Timeline Breakdown

The evolution of XPNET is deeply intertwined with ACI’s flagship software, scaling alongside the transformation of global electronic funds transfers (EFT).

1982 – 1989: The Genesis Era

  • 1982: ACI launches BASE24 to manage early ATM networks. To handle low-level Tandem interprocess communication, ACI designs precursor communication layers.
  • 1986: ACI scales internationally to 131 major clients across 14 countries, increasing the demand for a standard, highly secure, policy-driven message-switching architecture to accommodate disparate global telecommunication protocols.

1990 – 1999: NET24 and XPNET Standardisation

  • 1993: ACI is reorganised under Transaction Systems Architects (TSA). The communications infrastructure is formalised as NET24-XPNET, decoupled cleanly from application logic.
  • 1995: ACI goes public on NASDAQ. XPNET becomes the mandatory structural platform for any financial institution deploying BASE24 “Classic”.
  • 1998: ACI acquires IntraNet. XPNET is updated to handle wholesale wire transfers and high-value Automated Clearing House (ACH) data alongside retail consumer swipes.

2000 – 2009: The Next-Gen Transition (BASE24-eps)

  • 2002: ACI launches BASE24-eps (Enterprise Payments System). XPNET is radically re-engineered to support both classic structural architecture and next-generation message formats, utilizing its Common Transport Subsystem (CTS) to act as a Tandem Pathway client/server.
  • 2008: ACI optimises BASE24-eps for IBM System z architectures, but updates the NonStop-native XPNET to Version 08.2 to handle expansive regional payment networks across Europe and Asia.

2010 – 2019: Litigation and Global Footprint Consolidation

  • 2011 – 2014: Third-party performance suites, such as IR Prognosis XPNET Manager, Insider Technologies XPERT24 and Reflex ONE24 explode in popularity, allowing banks to map live visual diagnostics of their XPNET lines and queues.
  • 2017: ACI and MasterCard reach an agreement to resolve a massive legal dispute. As part of the settlement, MasterCard purchases a perpetual components license for NET24-XPNET middleware to legally fuel its core debit-switching network infrastructure.

2020 – 2026: Legacy Modernisation & The API Era

  • 2021: With financial institutions pivoting toward digital microservices, ACI introduces hybrid compatibility layers. Companies like NuWave introduce direct API bindings to XPNET, allowing legacy HP NonStop payment architectures to map to modern REST web services without rewriting base COBOL/C code.
  • 2025 – 2026: ACI celebrates 50 years of enterprise infrastructure engineering. While cloud-native solutions like ACI Connetic roll out for real-time rails, NET24-XPNET Version 4.x remains a heavily maintained, actively running baseline layer across tier-1 legacy banking systems worldwide.

ACI Worldwide XPNET Message-Oriented Middleware, MOM

XPERT24 Product Overview

XPERT24 (XPNET Performance Monitoring and Tracking) is a specialised financial middleware software product developed by Insider Technologies Limited. It provides real-time transaction tracking and operational counter monitoring for the BASE24™ transaction processing infrastructure.

Product Description

XPERT24 functions as a critical diagnostics layer for companies running BASE24 bank card payment systems. Built to sit on HP NonStop systems, the software uses PATHWAY servers to automatically detect, capture, and analyse data points from the underlying network. Its core features include:

  • XPNET Counter Monitoring: Tracks infrastructure health via rate, state, and data queue counters.
  • Interchange Performance: Monitors live transaction metrics, including approval and denial rates for ATM and POS transactions.
  • Throughput Optimization: Provides clear system visibility to avoid high-volume traffic jams or transaction delays.

Detailed Timeline Breakdown

The lifecycle of the XPERT24 software package moved from initial technical specification into corporate ecosystem expansions:

2001 — Initial System Baseline & Prep

  • Training and Scoping: Insider Technologies Limited launched internal Sales & Marketing campaigns to map mid-market banking software demands.
  • System Language Adaptation: Engineering teams refined core HP NonStop transaction tracking metrics.

2006 — Structural Architecture Layout

  • Design Initiatives: Product groups commenced documentation guidelines to build customer-facing technical literature.
  • Database Modeling: Initial designs mapped how transaction records could safely pass without lagging the live bank engine.

2007 — Server Logic Creation

  • Server Infrastructure Setup: Developers initiated building structural frameworks inside development kits.
  • Pathway Server Logic: Logic was written to make sure the software query scripts safely gathered data without interrupting processing.

2008 — Production Release & Launch Era

  • Official Software Launch: Insider Technologies launched the operational XPERT24 system to production status.
  • Hypervisor UI Integration: The company produced dedicated BASE24-eps™ and XPNET layer Hypervisor graphical displays.
  • Industry Showcase: Technical user interfaces were presented directly to the Electronic Banking User Group (EBUG) and the Satellite Transaction User Group (SATUG).

2009 — Data Query Expansion

  • SQL Interoperability: Product upgrades integrated better SQL handling to build structured transaction logs.
  • Web Monitoring Foundations: Teams rolled out technical requirements to present live transaction counters into standard web browsers.

2011 — Project Management & Standardization

  • Agile Shift: Development pipelines migrated entirely onto the Scrum framework.
  • Process Alignment: The product management structure was retrofitted to follow strict PRINCE2 guidelines to help service major government and banking institutions.

ActionView.400 Monitoring Tool for OSI/MHS X.400 Subsystem on HPE NonStop

ActionView.400 is an enterprise tracking and diagnostics software solution developed by Insider Technologies Limited. It was purpose-built as a dedicated monitoring tool for the Open System Interconnection / Message Handling System (OSI/MHS) X.400 subsystem deployed on Tandem, Compaq, HP, and HPE NonStop server platforms.

ActionView 400 Monitoring Tool for OSI/MHS X.400 Subsystem on HPE NonStop
Insider Technologies Limited, Salford Quays, Manchester. M50 2YR

The software acts as a critical infrastructure layer used heavily by banking institutions, telecommunications providers, and government/military defense sectors.

It ensures that high-volume, secure electronic mail infrastructure meets strict Service Level Agreements (SLAs) by allowing engineers to account for every message, calculate end-to-end processing times, and issue real-time tracking metrics.

Detailed Timeline Breakdown by Year

  • 1989: Insider Technologies Limited is incorporated in Manchester, England, by a collective of IT industry veterans. The firm initially focuses on building service management and custom tracking middleware for the rapidly expanding Tandem NonStop server ecosystem.
  • 1990s (Early to Mid): As X.400 protocols become the global standard for secure EDI (Electronic Data Interchange) and military messaging, Insider Technologies develops ActionView 400. The product is integrated directly into Tandem’s core software stack and begins shipping natively with Tandem NonStop platforms.
  • 1997: Tandem Computers is acquired by Compaq. ActionView 400 is sustained through this transition to maintain critical operations for tier-one banks and national military infrastructures relying on NonStop systems.
  • 2002: Compaq merges with Hewlett-Packard (HP). ActionView 400 is bundled under the HP NonStop software catalog (product designation T8443), managing and diagnosing log audits like the AUDLOG framework.
  • 2000s (Mid to Late): Insider Technologies starts shifting forward-looking tracking requirements toward its newer central architecture platform, Sentra. While ActionView 400 continues handling legacy X.400 pipelines, Sentra begins acting as a unified web console to consolidate both X.400 and modern SMTP/MIME email flows across multi-vendor systems.
  • 2015: HP splits its corporate structures. The NonStop computing line and the management of ActionView 400 shift over to Hewlett Packard Enterprise (HPE).
  • 2018: In December 2018, HPE officially moves ActionView 400 to Obsolete status, marking the formal end of its product life cycle and standard vendor service life.
  • 2019 – Present: Despite official obsolescence on the HPE hardware list, Insider Technologies continues to directly support and maintain the solution for deep-legacy military, defense, and governmental bodies. Because these sectors still mandate uncompromised, zero-loss X.400 message accounting, the software remains active, feeding tracking telemetry directly into Insider’s modern Middleware Monitoring and Sentra platform interfaces.
Sentra - unified web console to consolidate both X.400 and modern SMTP / MIME email flows across multi-vendor systems
Sentra – unified web console to consolidate both X.400 and modern SMTP / MIME email flows across multi-vendor systems
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HPE NonStop MultiBatch is an advanced workload automation & scheduling manager

HPE NonStop MultiBatch is an advanced workload automation and scheduling manager designed explicitly for mission-critical HPE NonStop environments. Originally created to support complex scheduling needs in banking and finance, it automates job flows and parallel processing across multiple CPUs.

Detailed Description

The original NonStop batch scheduler (NetBatch) was built for basic sequential job queues. As large enterprises required deeper integration with databases, real-time events, and complex parallel schedules, MultiBatch (developed originally by Insider Technologies, now part of ETI-NET) emerged.

  • Core Functions: It automates job submission, tracks job flow, handles conditional parameters, manages event timers, and triggers jobs “On Demand” based on real-time system events.
  • High Availability: Like the underlying HPE NonStop system, MultiBatch is engineered for fault tolerance, ensuring automated workflows do not fail due to hardware or software interruptions.
  • Enterprise Integration: It supports Open System Services (OSS) and standardizes auditing, security, and menu-based operations across distributed NonStop systems.

Breakdown by Year / Era

The evolution of MultiBatch parallels the architectural changes of the HPE NonStop platform.

1985–1990s: Tandem Era & Origin

  • 1985: Conceived. MultiBatch was developed by Insider Technologies specifically to meet the complex batch schedule demands of large financial institutions that exceeded native NetBatch capabilities.
  • Early 1990s: The system was officially rolled out for Tandem processors to automate transaction data loads and daily reconciliation tasks for ATMs and financial ledgers.

1997–2014: Compaq & Early HP Era

  • 1997: Following Compaq’s acquisition of Tandem, MultiBatch was adapted to support the NonStop Himalaya systems and server software, which expanded data and network scaling.
  • 2000s: During the HP Itanium and MIPS Era, MultiBatch evolved to support more dynamic processing pools and expanded job limits, increasing fault tolerance under the HP-UX integrated environment.

2014–2020: Transition to NonStop X & Modernization

  • 2014: As HPE shifted the platform to standard Intel x86-64 processors (NonStop X), MultiBatch was updated for L-series operating systems to run efficiently on high-speed InfiniBand fabrics.
  • 2019: Insider Technologies made significant updates to MultiBatch to modernize the GUI and improve code stability for the new generation of NonStop users transitioning to X-series hardware.

2020–Present: MultiBatch 10 & 10.2

  • 2023: MultiBatch 10 was released. It included a new Operations GUI Server, significantly increased configuration limits (e.g., supporting up to 2,500 jobs), enhanced conditional parameters, improved processing of Open System Services (OSS), and “On Demand” job capabilities.
  • 2025: MultiBatch 10.2 was released by ETI-NET. This update focused heavily on digital resilience, providing deep alignment with the NIST Cybersecurity Framework to protect against operational and cyber threats.
  • Current Status: Fully integrated into modern systems supporting the HPE GreenLake consumption-based cloud model, MultiBatch 10.2 serves as the primary automation engine for large enterprises executing complex HTAP (Hybrid Transaction/Analytical Processing) workloads.

The Software Partnership was a highly specialized software house in Runcorn

The Software Partnership (TSP) was a highly specialized British software house based in Runcorn, Cheshire, that played a key role in early cutting-edge electronic banking software. The firm famously developed sp/ARCHITECT-BANK, an innovative enterprise banking system built explicitly for Tandem Computers (now HPE NonStop) fault-tolerant server systems. I was based there between 1990 and 1995.

The Software Partnership Logo, Runcorn Software House, Deluxe Data
The Software Partnership Logo

Below is a detailed overview of the company’s operational history, alongside the corresponding hardware/software architectural eras of the HPE NonStop platform it relied upon.

Detailed Overview

  • Core Focus: The Software Partnership specialized in online transaction processing (OLTP) and electronic automated banking software. Long before the internet became mainstream, TSP engineered early desktop access environments for corporate bookkeeping and inter-account bank transfers.
  • Key Product: Its flagship software suite, sp/ARCHITECT, ran on Tandem’s highly unique, redundant architecture. The software handled complex high-volume retail transactions, ATM networking, and ledger balances.
  • Major Clients: High-profile financial institutions deployed TSP’s systems, including TSB (Trustee Savings Bank), Bank of Scotland, Rabobank, and Denmark’s Girofon.
  • Legacy: TSP initiated a massive lineage of financial tech operations in the Runcorn/Warrington area. After subsequent buyouts and transitions, its corporate DNA integrated into modern banking giants, eventually operating under Fidelity National Information Services (FIS).

Detailed Timeline by Era and Year

The history of TSP mirrors the evolution of the underlying fault-tolerant architecture originally built by Tandem, later managed by Compaq, HP, and currently Hewlett Packard Enterprise (HPE).

Era 1: The Tandem Founding & TSP Inception (Mid-1970s – 1989)

This era is marked by Tandem’s creation of the fault-tolerant server market, which birthed the niche that TSP filled.

  • 1974–1976: Tandem Computers is founded and ships its first 16-bit NonStop I (T/16) system, utilizing complete component redundancy to guarantee close to zero downtime for the financial industry.
  • 1981: Tandem introduces the NonStop II, transitioning to battery-backed DRAM memory and enabling early 32-bit addressing.
  • Mid-1980s: The Software Partnership (TSP) is co-founded by Nigel Walsh. It establishes offices first in Timperley (Wingate Drive), then moves to Crowngate (Norton House) in Runcorn. The team begins developing online banking architectures explicitly for Tandem OS (Guardian) and early UNIX nodes.
  • 1989: Tandem launches the NonStop Cyclone, a high-end mainframe system featuring superscalar CPUs and fiber-optic interconnects.

Era 2: The MIPS RISC Transition & Corporate Buyouts (1990 – 1999)

TSP reaches peak software deployment exactly as Tandem shifts its internal processor technology.

  • 1990: TSP establishes itself as a major regional employment hub for software engineers following a massive boom in terminal banking technology. Software programmers deploy sp/ARCHITECT-BANK code for massive retail banks internationally.
  • 1991: Tandem shifts its structural hardware away from proprietary chips, introducing its first MIPS RISC-based NonStop systems.
  • 1992: TSP expands its Runcorn footprint, moving to custom facilities at Wingate House on Northway, Runcorn.
  • 1994: TSP is acquired by American firm Deluxe Electronic Payment Systems (a division of Deluxe Corporation, one of the largest check printers and transaction processors in the US). The corporate name transitions to Deluxe Data.
  • 1997: Due to shifts in the enterprise hardware landscape, Compaq Computer Corporation acquires Tandem Computers for $3 billion, taking over the NonStop lineage.

Era 3: The Itanium Migration & eFunds Realignment (2000 – 2013)

The architecture sheds its proprietary processors for industry standards, and TSP’s corporate legacy transforms.

  • 2000: Deluxe Data’s electronic payment wing splits off and rebrands as EFD eFunds.
  • 2001–2002: HP (Hewlett-Packard) merges with Compaq, absorbing the NonStop portfolio. Simultaneously, HP begins shifting NonStop servers from MIPS architectures to Intel Itanium processors.
  • 2007: Following industry consolidation, the corporate remnants of the original TSP Runcorn operations are absorbed into Fidelity National Information Services (FIS) and relocated to Aegon House in Daresbury, Warrington.

Era 4: The Modern HPE NonStop X & Virtualization Era (2014 – Present)

The legacy of the high-availability software pioneered in Runcorn culminates in cloud and x86 integration.

  • 2014: HP introduces NonStop X, completely migrating the underlying architecture to Intel x86-64 processors and implementing InfiniBand connectivity fabrics.
  • 2015: Hewlett-Packard officially splits into two entities; the core mission-critical banking platform continues its five-decade lineage under Hewlett Packard Enterprise (HPE).
  • 2020s–Present: HPE modernizes the software architecture to support Virtualized NonStop Software (vNS). Modern variants allow banking systems to run mission-critical apps seamlessly inside enterprise private clouds and scalable HPE GreenLake consumption models with 100% fault tolerance.
Deluxe Data International Operations, Wingate House, Northway, Runcorn, Cheshire
Deluxe Data International Operations, Wingate House, Northway, Runcorn, Cheshire
The Software Partnership, Norton House, Crowngate, Runcorn, Cheshire
The Software Partnership, Norton House, Crowngate, Runcorn, Cheshire

⚙️ sp/ARCHITECT

sp/ARCHITECT (specifically sp/ARCHITECT-BANK) was a foundational electronic banking and transaction framework engineered in the 1990s by The Software Partnership (a UK-based fintech house later acquired by Deluxe Data). It primarily powered corporate banking portals and telephone-driven banking services.

The platform acted as highly reliable middleware, serving as a bridge between the customer and back-end banking mainframes. The breakdown of its architecture, infrastructure, and core functions includes:

⚙️ Architectural Breakdown

  • Hardware & OS: Built to run natively on fault-tolerant Tandem NonStop computers (now HPE NonStop). This “shared-nothing” architecture was designed for absolute transactional uptime and zero data loss.
  • Programming Languages: Built using legacy enterprise standards. Code was primarily written in COBOL85 and TAL (Transaction Application Language) native to the Tandem ecosystem.
  • Middleware Integration: Utilized Tandem-specific middleware like Pathway and Remote Server Call (RSC) to handle client-to-host communications.

💻 Core Capabilities & Modules

  • Electronic Delivery Framework: Served as a multi-channel framework, accommodating a wide variety of early access devices like desktop clients, UNIX workstations, and smart phones.
  • Transaction Handlers: Deployed custom scripts/handlers that enabled end-users to securely access real-time account data and perform early inter-account transfers without visiting a physical branch.
  • Testing Utilities: Included proprietary simulation tools like sp/TESTBED, acting as a PC-to-host test harness so developers could emulate user queries and transaction flows.

🏦 Industry Footprint

  • European Rollout: Heavily adopted by large European financial institutions, including TSB, Rabobank, Bank of Scotland, and Girofon.
  • BBM II Integration: Powered landmark corporate desktop banking solutions like Barclays Business Master II (BBM II), long before modern web browser banking existed.
  • Evolution: Following its acquisition, its design philosophies eventually evolved into Deluxe Data’s broader CONNEX suite of payment solutions.

HPE NonStop architecture (Tandem Computers) by Era and Year

Mark Whitfield invested many years in the HPE NonStop field from 1990. The HPE NonStop architecture (originally Tandem Computers) is a legendary fault-tolerant system known for 100% continuous availability. The platform’s hardware and software execution evolved across six distinct eras and processor transitions:

1. The Tandem Founding Era (1976–1981)

  • Years: 1976–1981
  • Processors: Proprietary 16-bit stack processors (e.g., Tandem/16, NonStop II)
  • Architecture: The foundational “shared-nothing” parallel architecture. Featured redundant components (processors, disks, power supplies) connected by a proprietary dual-bus (Dynabus). The operating system provided instant automated failover.

2. The Cyclone & Early RISC Era (1981–1996)

  • Years: 1981–1996
  • Processors: Proprietary non-RISC (NonStop Cyclone) & MIPS R-series RISC
  • Architecture: Expanded into 32-bit computing. To keep pace with industry performance, Tandem transitioned from proprietary processors to off-the-shelf MIPS RISC processors while heavily emulating the original instruction set for compatibility.

3. The Himalaya/ServerNet Era (1997–2004)

  • Years: 1997–2004
  • Processors: MIPS R-series
  • Architecture: Replaced the legacy Dynabus with ServerNet, a high-speed system interconnect that served as an early precursor to modern networking fabrics. (Compaq acquired Tandem in 1997, which subsequently merged with HP in 2002).

4. The Integrity Itanium Era (2005–2013)

  • Years: 2005–2013
  • Processors: Intel Itanium (TNS/E)
  • Architecture: Branded as HP Integrity NonStop (NonStop i). The platform moved off proprietary silicon to standard Intel Itanium processors. This was driven by the “NonStop Advanced Architecture” (NSAA), lowering hardware costs while maintaining Availability Level 4 (AL4) standards.

5. The NonStop X (x86-64) Era (2014–Present)

  • Years: 2014–2026
  • Processors: Intel Xeon x86-64 (TNS/X)
  • Architecture: Fully decoupled the OS from proprietary hardware by shifting to standard Intel x86-64 processors and InfiniBand fabric. The latest compute nodes (such as the NS5 X5 and NS9 X5) utilize modern Intel Xeon Scalable processors to maintain maximum Availability Level 4 (AL4) workloads.

6. The Virtualized NonStop Era (Present)

  • Years: 2015–Present
  • Processors: Virtual Machines / Cloud / x86
  • Architecture: HPE extended the platform to support Virtualized NonStop Software, allowing fault-tolerant enterprise workloads to run entirely in private clouds via standard VMware or hybrid architectures, independent of specific physical servers.
Globally published HP NonStop journal – ‘The Connection’
HPE NonStop article by Mark Whitfield in 2013, working for Insider Technologies Limited in Salford Quays

Barclays Business Master II (BBM II), Tandem Computers (HPE NonStop) & sp/ARCHITECT

These terms map directly to the foundational 1990s technology stack behind Barclays Business Master II (BBM II), one of the UK’s earliest enterprise electronic desktop banking platforms.

Before the mainstream internet, this corporate banking infrastructure relied on specialized high-availability mainframe software to process secure corporate transactions.

🧱 Architectural Component Breakdown

  • Barclays Business Master (BBM / BBM II): A landmark corporate desktop electronic banking solution developed by Barclays Bank. It allowed businesses to dial directly into the bank to perform inter-account transfers, check balances, and automate book-keeping long before web browser banking became standard.
  • sp/ARCHITECT (or sp/ARCHITECT-BANK): The core electronic banking software package that powered BBM. It was originally engineered in the late 1980s and early 1990s by The Software Partnership (a UK-based fintech software house based in Runcorn that was later acquired by Deluxe Data). It eventually evolved into the widely known CONNEX advantage payment solution.
  • NonStop (Tandem Computers): The underlying hardware and operating system environment. Because banking infrastructure requires absolute uptime, sp/ARCHITECT was built to run on Tandem NonStop fault-tolerant computers (now HPE NonStop). These systems utilize a unique “shared-nothing” architecture to ensure zero transactional data loss.

💻 Legacy Technical Environment

During the era when BBM was deployed across Barclays’ tech hubs (such as Knutsford), developers working on this specific stack utilized highly specialized mainframe tools:

  • Languages: Code for sp/ARCHITECT was primarily written in TAL (Transaction Application Language) or COBOL85, which were native to the Tandem platform.
  • Interfaces: Early implementations integrated desktop client interactions with the Tandem host via middleware components like Tandem Pathway and Remote Server Call (RSC) facilities.

Barclays Business Master II (BBM II), Tandem Computers (HPE NonStop) & sp/ARCHITECT

I was assigned by Deluxe Data (International Operations), to the BBM II project between 1992 – 93.

mark whitfield thesoftwarepartnershipwingatehousenorthwaysmall

Deluxe Data, Wingate House, Northway, Runcorn

HPE NonStop System Monitoring Reflex Product

HPE NonStop Reflex (often referred to as Reflex 80:20) is a graphical, integrated IT management suite developed by Insider Technologies. It provides continuous health monitoring, automated workflow management, and diagnostic logging for mission-critical HPE NonStop environments, serving as a single, consolidated “pane of glass” for fault-tolerant network operations.

Detailed Timeline Breakdown by Era & Year

The history of the NonStop Reflex suite closely mirrors the architectural evolution of the underlying HPE NonStop (originally Tandem) fault-tolerant hardware platforms.

1. The Tandem / ITUG Era (1989 – 1996)

  • 1989: Insider Technologies was founded in Salford Quays, Manchester, UK, establishing an early specialization in Tandem (NonStop) messaging software and message tracking utilities.
  • 1990s: As massive online transaction processing (OLTP) workloads grew, native Tandem utilities proved increasingly cumbersome. This spurred the initial development of platform diagnostic and event-filtering tools that would soon become the Reflex suite.
  • 1995: Insider Technologies actively codes and launches the initial iterations of Reflex 80:20, providing operators with an aggregated view of Tandem platform events.

2. The Compaq & Early HP Transition Era (1997 – 2014)

  • 1997: Compaq acquires Tandem Computers. Reflex 80:20 begins updating its backend architecture to handle ServerNet clustering and the newly combined enterprise platforms.
  • 2002: Hewlett-Packard (HP) acquires Compaq. HP begins the hardware migration from proprietary processors to Intel Itanium (HP Integrity NonStop).
  • 2004: Insider Technologies formalizes its ongoing product development, heavily pushing both Reflex 80:20 and releasing new variants like Reflex ONE24 to support extended tracking for ATM and POS networks.
  • 2007: Reflex and other Insider monitoring software platforms are highly integrated into FIS solutions, serving tier-one global banks and stock exchanges.
  • 2013: Insider Technologies solidifies the Reflex 80:20 status as the ultimate consolidated replacement for legacy HP components, publishing technical insights in dedicated NonStop journals.

3. The Modern HPE & x86 Era (2014 – 2019)

  • 2014: Hewlett Packard Enterprise (HPE) is formed and officially launches NonStop X, moving the architecture onto standard Intel x86-64 processors. Reflex 80:20 interfaces are updated to support InfiniBand fabrics and the newer Open System Services (OSS) environments.
  • 2017 – 2019: HPE launches Virtualized NonStop (vNS), bringing continuous application fault tolerance directly to private and hybrid clouds. Reflex adapts its system management capabilities to securely monitor both physical x86 non-stop servers and virtual hypervisor instances.

4. The AI & Hybrid Cloud Era (2020 – 2026)

  • 2020: HPE ends the sale of older Itanium-based platforms. Reflex fully commits its diagnostic support to modern HPE NonStop X and vNS environments.
  • 2023 – 2024: The NonStop platform embraces AI integrations, expanded SQL/cloud workloads, and integrations with modern DevOps tools. Reflex tools receive updates to accommodate enhanced cyber resilience tracking and modern API-driven services.
  • 2025: HPE celebrates 50 years of the fault-tolerant NonStop computing ecosystem. The Reflex suite provides compatibility for the upgraded, high-capacity hardware iterations running the L25 series OS.
  • 2026: Reflex remains a staple ecosystem management suite for complex enterprise networks, processing and escalating exception conditions, EMS events, and subsystem alerts within the highly available HPE GreenLake consumption models.

The Insider RTLX product at ETI-NET is now called C-Deep for Transaction Monitoring;

C-Deep (Transaction Monitoring)

C-Deep (Transaction Monitoring)

The Insider Reflex product at ETI-NET is now called Sentinel for NonStop Monitoring;

Sentinel (Nonstop Monitoring)

Sentinel (Nonstop Monitoring)

C-Deep for Transaction Monitoring & Sentinel for HPE NonStop Monitoring

BASE24 and BASE24-eps architecture overview

The BASE24 electronic payment system developed by ACI Worldwide exists in two primary architectural generations:

BASE24 Classic (historically deployed on HPE NonStop / Tandem fault-tolerant hardware) and

BASE24-eps (Enterprise Payments System, built using an object-oriented C++ framework deployable across open systems, z/OS, and cloud infrastructure).

Despite structural differences, both share a highly optimized, component-based transaction routing engine.

BASE24 and BASE24-eps architecture overview
BASE24 architecture overview

Core Structural Component Layers

The component architecture maps the complete end-to-end lifecycle of a financial message (such as ISO 8583) through five distinct functional sub-systems:

1. Network & Message Routing Component (XPNET)

  • Purpose: Coordinates all message traffic across internal processes and physical network nodes.
  • Function: Operates as a specialized middleware network manager that decouples low-level communication links from upper transaction routing layers.
  • Configuration: Relies on a Logical Network Configuration File (LCONF) to define active execution nodes, hardware lines, and physical stations.

2. Perimeter Access Layer (Device Handlers)

  • Purpose: Translates device-specific message protocol formats into the system’s unified internal format.
  • ATM Device Handlers (ATMDH): Manage direct connectivity to automated teller machines, unpack specific vendor dialects (such as Diebold or NCR states), and track terminal hardware statuses.
  • POS Device Handlers (POSDH): Interface with point-of-sale acquirer terminals and merchants.
  • Security Operations: Triggers immediate payload encryption/decryption and Hardware Security Module (HSM) PIN-block translation directly within this ingestion ring.

3. Core Transaction Logic (Authorization System)

  • Purpose: Determines whether a payment request should be accepted, rejected, or modified.
  • Full On-Us Authorization: Inspects internal databases for matching account records, positive balances, and velocity thresholds to issue real-time decisions.
  • Parametric/Negative Checks: Validates card status against offline negative files, usage restrictions, or custom risk parameters.
  • Scripting Engine: Modern BASE24-eps variants execute localized transaction routing scripts via customized operators without forcing a compile rewrite of the core engine core.

4. Boundary Channels (Interchange & Host Interfaces)

  • Interchange Interfaces (ICH): Package and transform the transaction payload into international network profiles (e.g., Visa, Mastercard, regional switches). It handles strict message mapping and regional network check requirements.
  • Host Interfaces (HIF): Create synchronous links back to an institution’s underlying Core Banking system to apply ledger adjustments, check balances, or execute real-time holds.

5. Offline & Administrative Subsystems

  • Extract Component: Gathers active transaction logs and streams filtered payloads out to analytical reporting databases.
  • Refresh Component: Updates terminal operational data, key packages, and card exclusion lists from parent systems down to active execution nodes.
  • Settlement Initiator: Groups, cleanses, and batches net-clearing totals to finalize payment entries into regional clearinghouses.

Architectural Divergence: Classic vs. EPS

The structural design varies significantly depending on the generation of the software deployment:

BASE24 and BASE24-eps architecture overview
BASE24 and BASE24-eps architecture overview

End-to-End Component Transaction Flow

  1. An ATM transaction arrives at the network interface layer managed by XPNET.
  2. The message is routed to the Device Handler, which strips hardware packaging and requests translation from the HSM.
  3. The clean internal message passes to the Authorization Engine.
  4. If it is a “Not-On-Us” card, the engine identifies the destination BIN and transfers routing control to the Interchange Interface.
  5. The Interchange Interface maps the payload to the external scheme standard (such as Visa) and transmits it to the external network.
  6. The outbound network response is unwrapped by the Interchange component and tracked through the core engine to log final response codes.
  7. The transaction safely records inside the active log file, allowing the Extract / Settlement components to pick it up later during batch processing.

BASE24 and BASE24-eps architecture overview

BASE24 and BASE24-eps architecture overview
BASE24 and BASE24-eps architecture overview

HPE Nonstop Technology Architecture – specialized, 100% fault-tolerant infrastructure

The official HPE Nonstop Technology Architecture is a specialized, 100% fault-tolerant infrastructure built with a tightly integrated hardware and software stack designed to eliminate any single point of failure. Formal instruction and architectural frameworks have been modernized under the newly relaunched HPE Nonstop Compute Training Portfolio curriculum.

Originally developed by Tandem Computers in 1976, the platform eventually became part of Hewlett Packard Enterprise (HPE). Unlike standard servers that can crash due to a single component failure, NonStop uses a tightly integrated, “shared-nothing” architecture to ensure that if a hardware or software component fails, another instantly takes over with zero downtime or data loss.

Core Architectural Features

To understand how HPE NonStop works, you need to understand its unique design principles:

  • Shared-Nothing Architecture: Every processor has its own dedicated memory, I/O channels, and copy of the operating system. No single component is shared, eliminating any single point of failure.
  • Process Pairs: Applications run using a primary process and a backup process on a different processor. The primary process constantly copies its state to the backup. If the primary fails, the backup immediately takes over.
  • Massive Scalability: Systems can scale up seamlessly from small distributed environments to massive clusters containing up to 24,000 processor cores without interrupting running operations.
  • Hardware Platform: The modern software environment runs on industry-standard x86 architectures, available as physical server racks (like the HPE NonStop NS9 X5) or as virtualized instances in hybrid cloud environments.

Dual Operating Environments

HPE NonStop runs a specialized operating system called NonStop OS. Inside this OS, developers and administrators interact with two distinct environments:

  • Guardian Environment: The native, proprietary environment optimized for high-volume Online Transaction Processing (OLTP). It handles tasks sequentially through process-oriented manually-started jobs rather than traditional automated queues.
  • Open System Services (OSS): A UNIX-like, POSIX-compliant environment built on top of the NonStop kernel. This allows organizations to run standard open-source applications, tools, and scripts natively alongside Guardian.

Ecosystem and Use Cases

HPE NonStop is rarely used for standard office automation or basic web hosting. Instead, it serves as the backbone for global industries where an hour of downtime could cost millions of dollars:

  • Financial Transactions: Powers global stock exchanges, automated teller machines (ATMs), and retail point-of-sale credit card processing, eg. BASE24.
  • Travel and Logistics: Runs critical airline reservation systems and real-time cargo routing infrastructure.
  • Database Management: Features its own highly secure, distributed database engine called NonStop SQL, which guarantees absolute data integrity across all transactions.
  • Modern Development: Supports traditional languages like COBOL85 and ANSI C, alongside modern DevOps integrations like Git, Ansible, and Eclipse-based IDE environments.

If you plan to work directly with these systems, you can explore formal pathways like the Concepts and Facilities for HPE NonStop Systems course provided by HPE Education Services.

Core Architectural Layers (Diagram Blueprint)

An architectural blueprint of an HPE NonStop environment typically separates the layout into three core interdependent layers:

  • Hardware & Fabric Layer: Consists of independent, loosely-coupled Processor Nodes (handling up to 24,000 cores globally) connected via an ultra-fast InfiniBand or ServerNet system fabric backbone.
  • I/O & Subsystem Layer: Utilizes Cluster I/O Protocols (CLIMs), splitting tasks between Storage CLIMs (SCLIMs) and Network CLIMs (NCLIMs) to isolate external communication from main processing.
  • Operating System & DB Layer: Runs the NonStop OS, which simultaneously manages the traditional Guardian environment, Open System Services (OSS) for UNIX/Linux paradigms, and the NonStop SQL distributed database engine.

Recommended Architecture Training Curriculum

HPE organizes its technical blueprints into structured educational paths for engineers.

1. Foundational Blueprint Concepts

  • Course Code: U4147S (HPE Nonstop Compute System Fundamentals).
  • Focus: Delivers a top-down view of system goals, transaction processing, and fundamental architecture.
  • Key Modules: Explores Guardian vs OSS, Pathway application management, and basic database interaction.

2. System Operations & Administration

  • Course Code: H1SC3S (HPE Nonstop Compute System Administration I).
  • Focus: Maps physical and virtual components to real-world deployment.
  • Key Modules: Covers Processor Nodes, configuring SCLIMs/NCLIMs, and hands-on fault-scenario testing.

3. Low-Level OS Internals

  • Course Code: U8609S (HPE Integrity Nonstop Operating System Architecture).
  • Focus: Deep dive into runtime architecture, process control, and memory allocation.
  • Key Modules: Focuses on Inter-process Message Systems, synchronization mechanisms, and system debugging.

Training Delivery Options

Enrolling via HPE Education Services grants access to various professional development features:

  • HPE vLabs: Direct sandbox access to practice configuration and live fault injection inside virtual environments.
  • Digital Learner Credits: Flexible licensing options to assign corporate learning units across teams.
  • Modernized Tracks: Courses have been fully overhauled to support contemporary cloud paradigms and hybrid integration via HPE GreenLake frameworks.

My HPE NonStop (Tandem Computers) Certificates :

Insider Tech : 1995 – 2013
HPE NonStop (Tandem) Career Experience at Insider Technologies Limited, ITL
BASE24 eps monitoring

Mark Whitfield IT, Technical & Project Management Training Overview

Mark Whitfield, a Manchester-based Senior IT Project Manager, has completed extensive professional training throughout his career, focusing on project management methodologies, delivery software, and technical tools.

Core Project Management Methodologies :

  • PRINCE2 Practitioner: Certified as a registered PRINCE2 Practitioner in May 2011 via the ILX Group (Gold e-Learning).
  • Agile SCRUM Training: Attended in-house training with RADTAC in May 2011.
  • Advanced Engagement Management (Level 2): Completed at Capgemini in November 2017.
  • Project Management Fundamentals: Completed “Fundamentals of Successful Project Management” in February 2000 through Skillpath in Manchester.
  • Managing Multiple Projects: Attended “Managing Multiple Projects, Objectives and Deadlines” in October 1999/1998 via Skillpath.

Software & Cloud Platforms :

  • AZ-900 Microsoft Azure Fundamentals: Certified in February 2022.
  • Microsoft Project: Completed the Microsoft Project ’98 Certification Series in May 2000 through the IIL UK Education Centre in Reading.
  • Microsoft Excel Expert Skills: Upgraded skills via a 2017 Expert course and a July 2024 Udemy refresher.

Technical & Programming Courses :

  • Tandem / HP NonStop: Completed Tandem Guardian Principles (1993), Tandem Performance Analysis (1995), and Tandem TAL Programming (1995).
  • C / C++ Programming: Attended “C++ for Non-C Programmers” with Comtec Computer Training in March 1997.
  • Database Querying: Completed “Querying Microsoft SQL 2000 with Transact SQL” via QA Training in March 2009.
  • Web Applications: Attended “Developing MS ASP Web Applications using MS Visual Studio .NET” in January 2007.

Marketing & Communication Training :

  • Writing for the Web: Completed in May 2009 with gbdirect (iTrain Education in London).
  • Brochure & Document Design: Attended a SkillPath Seminar on designing marketing brochures and reports in April 2006.

Mark Whitfield is a Senior IT Project Manager based in Manchester

Mark Whitfield is a highly experienced Senior IT Project Manager based in Manchester, UK, with over 31 years of experience in the IT industry specializing in both Agile and Waterfall methodologies. He holds SC clearance (valid until 2031) and has a strong technical background in banking and digital project delivery, including experience as a developer in software development lifecycles (SDLC).

Mark Whitfield is a highly experienced Senior IT Project Manager based in Manchester
Mark Whitfield is a highly experienced Senior IT Project Manager based in Manchester

Professional Biography

After graduating in Computing in 1990, Mark began his career as a programmer specializing in Electronic Banking software on Tandem Mainframe Computers (HPE NonStop). He spent five years coding in COBOL85 and NonStop SQL for banking clients before transitioning into project management.

Mark has operated as a Senior IT Project Manager for over two decades, delivering complex projects for major blue-chip clients, including Jaguar Landrover, Heathrow, Royal Mail Group, and various financial institutions. He currently provides project management templates based on his extensive experience via his website, PROject Templates.

Example POaP Plan On a Page templates by Mark Whitfield

Key Skills & Expertise

  • Methodologies: Agile SCRUM, Waterfall, PRINCE2 Practitioner.
  • Technologies: HP NonStop (BASE24, TAL, C, C++, SQL), Java, .NET, Mobile (iOS, Android, Windows).
  • Areas: ATM software delivery, Gambling/Casinos, Public Sector/LRG, Payment Systems, Digital Transformation.
  • Clearance: SC Cleared until 2031.
Capgemini Engagement Manager, 2016 thru 2025
Capgemini Engagement Manager, 2016 thru 2025

Professional Career & Projects

Capgemini UK (Jan 2016 – Present)

  • Role: Client-facing SC Cleared Engagement Manager.
  • Projects: Delivered Waterfall and Agile digital projects for automotive, local regional government (LRG), postal services, and aerospace & defence sectors.
C&CA UK’s Communications & Engagement Award Winner 2022

Betfred (Late 2014 – Jan 2016)

  • Role: Senior IT Project Manager.
  • Projects: Managed mobile and online gambling/casino projects, including payment gateways, sportsbook, and virtual gaming using Agile SCRUM.

Wincor Nixdorf (Sept 2013 – Late 2014)

  • Role: Agile IT PM, Professional Services – Banking Division.
  • Projects: Managed ATM software delivery (Wincor Nixdorf work stream >£5M) for Lloyds Banking Group/Halifax.

Insider Technologies Limited (Aug 1995 – Sept 2013)

  • Role: Project Manager – Strategic Technical Initiatives.
  • Projects: Technical pre-sales, product management, and installation for HPE NonStop banking products (Reflex 80:20, RTLX).
HP NonStop TAL Programming Course
1995, HP NonStop TAL Programming Course

The Software Partnership / Deluxe Data (1990 – 1995)

  • Role: Programmer.
  • Projects: Developed code for sp/ARCHITECT-BANK on Tandem Computers for banks like TSB, Bank of Scotland, and Rabobank.

Professional Training & Certification

Registered PRINCE2 Practitioner (May 2011, ILX)
Registered PRINCE2 Practitioner (May 2011, ILX)
1990, BTEC HND in Computer Studies from Bolton Institute of Higher Education, BIHE
1990, BTEC HND in Computer Studies from Bolton Institute of Higher Education, BIHE

Mark Whitfield is a Senior IT Project Manager

Mark Whitfield is a Senior IT Project Manager and Engagement Manager with over 30 years of experience in the software development lifecycle (SDLC), specializing in digital transformation, payment systems, and HPE NonStop (Tandem) technology.

He is SC cleared (valid until 2031) and currently works at Capgemini UK, having transitioned from a technical programming background to senior project leadership roles. 

He is also the creator of PROject Templates, providing a comprehensive, editable suite of over 200 project management tools built over 24+ years of experience. 

Comprehensive Career Timeline by Era

1. Technical Foundations & Mainframe Development (1990–1995) 

  • 1990: Graduated in Computing at University of Bolton; started as a programmer at The Software Partnership (later Deluxe Data), Runcorn.
  • 1990–1994: Specialised in electronic banking software (sp/ARCHITECT-BANK) on Tandem Mainframe Computers (HPE NonStop), developing in COBOL85 and NonStop SQL for major banks.
  • 1994: Developed batch billing modules for Barclays Business Master II (BBM II) on-site in Knutsford and Poole.

2. Advanced Technical Management & Product Focus (1995–2013) 

  • 1995–2013: Worked at Insider Technologies Limited as Senior Development Engineer/ Project Manager.
  • 1997: Conducted volume testing/benchmark software for CRESTCo (now Euroclear) on new S7000 hp NonStop nodes.
  • 2002: Managed and attained the first HP OpenView Operations 2-way Smart Plug-In (SPI) certification for the HPE NonStop platform.
  • 2000s (Early): Developed RTLX (Real-Time Log Extraction) for BASE24 POS and ATM transaction monitoring, collaborating with banking clients like HSBC and Global Payments.
  • 2013: Delivered a large BASE24 transaction tracking project at Al Rajhi Bank in Riyadh, Saudi Arabia. 

3. Senior Project Management & Banking Upgrades (2013–2016) 

  • 2013–2014: Senior Project Manager at Wincor Nixdorf UK, managing a £5M+ ATM/POS software replacement programme (Self-Service Software Replacement) for Lloyds Banking Group (LBG).
  • 2014–2016: Senior IT Digital Project Manager at Betfred, delivering online and mobile platform projects (iOS/Android) using Agile SCRUM. 

4. Digital Engagement & Cloud Transformation (2016–Present)

  • 2016: Joined Capgemini UK as a client-facing Engagement Manager (SC Cleared).
  • 2016–2017 (Aerospace): Managed Agile delivery for air traffic control iOS apps.
  • 2016–2017 (Postal): Project Manager for a £4.3M migration of 1100+ interfaces for a major postal client.
  • 2017–2018 (Automotive): Managed a £670K Customer Portal/ New Car Online Sales project and Digital Readiness project.
  • 2018–2019 (MuleSoft): Augmented as Delivery Manager for MuleSoft Professional Services, managing API-led projects.
  • 2020–Present (UK Government): Led various MS Azure and Cloud migration projects, including a £13.5m programme to migrate 130 UK government apps. 

Key Areas of Expertise

  • Methodologies: Agile (SCRUM), Waterfall, PRINCE2 Practitioner, ITIL.
  • Technical Knowledge: HPE NonStop (Tandem), BASE24, Middleware, Cloud (AWS/Azure), PCI DSS Compliance.
  • Sector Experience: Retail Banking, Public Sector, Aerospace & Defence, Automotive, Gambling & Casino. 

PROject Templates Resource Overview

Mark Whitfield provides an extensive and fully editable project management template bundle (200+) developed from his 30+ year career. 

  • Format: Excel, PowerPoint (PPT), Word (DOC), and MS Project (.mpp msp mpt).
  • Key Templates:
    • Planning: Plan on a Page (POaP), Detailed Project Plans (Waterfall/Agile).
    • Tracking: RAID logs (Risk, Action, Issue, Dependency/Decision), Budget & Burn Tracking (Actuals vs Forecasts).
    • Governance: Status Reports, RACI, Stakeholder Analysis, Project Delivery Checklists.
  • Key Features: Designed for immediate use, fully customizable, and offers free lifelong upgrades and additions. 

Tandem Computers ( HPE NonStop ) Overview & Detailed Timeline

Tandem Computers, founded in 1974 by James (Jimmy) Treybig, revolutionized the computing industry by pioneering fault-tolerant computer systems. Designed specifically for online transaction processing (OLTP) in banking, stock exchanges, and telephone switching, Tandem’s “NonStop” systems provided near-zero downtime by utilizing redundant, modular processors and a “shared-nothing” architecture. 

Tandem remained an independent, rapidly growing company until it was acquired by Compaq in 1997, later becoming part of Hewlett Packard Enterprise (HPE). 

Overview of Key Technologies

  • NonStop Architecture: The core design featured multiple independent processors, each with its own memory and I/O bus, interconnected by a redundant inter-CPU bus called the Dynabus.
  • Guardian OS: A message-based operating system designed to detect faults immediately (“fail-fast”) and mirror process states to a backup processor, allowing seamless failover.
  • NonStop SQL (1986): The first fault-tolerant SQL database, known for linear scalability.
  • ServerNet (1995): A high-speed, scalable, point-to-point network system that replaced the Dynabus and influenced modern InfiniBand standards. 

Detailed Historic Timeline by Era and Year

The Founding Era (1974–1979) 

  • 1974: Tandem Computers is founded in Cupertino, California, by Jimmy Treybig, formerly of HP. Initial venture capital investment comes from Kleiner & Perkins.
  • 1975: Design of the Tandem/16 (T/16) is completed.
  • 1976: The first T/16 NonStop system is shipped to Citibank.
  • 1977: Tandem goes public; sales begin rapid, exponential growth.
  • 1978: Introduction of the ENCOMPASS database management system.

The Growth and Competition Era (1980–1989)

  • 1980: Inc. magazine ranks Tandem as the fastest-growing public company in America.
  • 1981: NonStop II is introduced, supporting 32-bit addressing to allow for larger applications.
  • 1982: Competition intensifies as Stratus Technologies enters the fault-tolerant market. Tandem faces its first quarter of declining growth.
  • 1983: Introduction of the NonStop TXP, the first entirely new implementation of the TNS architecture with cache memory.
  • 1985: Attempted entry into the PC market with the MS-DOS-based Dynamite PC, which fails commercially and is withdrawn.
  • 1986: Introduction of the NonStop VLX (32-bit datapath) and the revolutionary NonStop SQL database.
  • 1987: Introduction of the low-cost NonStop CLX for small office environments.
  • 1988: Tandem acquires Ungermann-Bass, Inc. to strengthen networking capabilities.
  • 1989: Introduction of the NonStop Cyclone, a high-end ECL-based processor aimed at mainframe markets. 

The Open Standards & MIPS Transition Era (1990–1996)

  • 1990: Tandem introduces the Integrity line of fault-tolerant Unix systems.
  • 1991: Cyclone/R (CLX/R) is released, marking the start of the migration from proprietary stack machines to MIPS R3000 RISC microprocessors.
  • 1993: Introduction of the NonStop Himalaya K-series using faster MIPS R4400 processors.
  • 1994: NonStop Kernel (NSK) is extended with Open System Services (OSS), a POSIX-compliant Unix environment.
  • 1995: Introduction of ServerNet, designed for extremely low-latency inter-processor communication.
  • 1995–1997: Partnered with Microsoft on the “Wolfpack” project, which becomes Microsoft Cluster Server. 

Acquisition and Integration Era (1997–Present)

  • 1997: Compaq acquires Tandem Computers for roughly $3 billion. The Himalaya S-Series is introduced.
  • 1998: Compaq acquires DEC, leading to a shift in engineering strategy towards Alpha/Itanium instead of MIPS.
  • 2001: Compaq terminates Alpha engineering, committing to Intel’s Itanium (Merced) processors.
  • 2002: Hewlett-Packard acquires Compaq. Tandem becomes the core of the HP Integrity NonStop Server division.
  • 2005: The first HP Integrity NonStop servers (TNS/E) based on Itanium processors are released.
  • 2014: Completion of the migration to Intel x86 architecture (NonStop X). 

Note: Following the split of HP into Hewlett Packard Enterprise (HPE) and HP Inc., the NonStop product line continues to be developed and supported by HPE.

Tandem Computers Overview and Detailed Timeline

HPE NonStop EMSDIST, Event Management Service EMS Distributor Timeline by Era

HPE NonStop EMSDIST (Event Management Service Distributor) is a critical component within the HPE NonStop operating system responsible for distributing and managing event messages (logs) generated by the system, subsystems, or applications. It is part of the Event Management Service (EMS), which is essential for fault-tolerant monitoring. 

EMS events (via EMSDIST) seen in the Reflex 80:20 application ( now Sentinel (Nonstop Monitoring) by ETI-NET)

EMSDist Overview

  • Purpose: EMSDIST reads events from an EMS collector process ($0, $ZLOG, etc.) or a collector logfile, filters them based on user criteria, and sends them to a user-specified destination (such as a terminal, printer, or another file).
  • Key Functionality: It enables both real-time monitoring and historical analysis of events.
  • Event Handling: It handles EMS messages, including those generated by the EMS subsystem itself (messages 513-999) and those from EMS distributors (messages > 1000).
  • Integration: Often used in conjunction with TACL (Tandem Advanced Command Language) for automated event management scripts. 

Detailed Historic Timeline and Evolution

EMSDIST has evolved alongside Tandem / Compaq / HPE NonStop systems, transitioning from basic console management to complex distributed management systems. 

1. The Tandem Guardian Era (Late 1970s – 1980s)

  • Context: The emergence of Tandem NonStop systems focused on continuous availability.
  • EMS Origins: Initial event handling was largely via console messages. As systems grew, the need to manage logs across multiple processors led to early Event Management Service components.
  • Role of EMSDist: Early distributors primarily moved messages from local collectors to a central console or tape log.

2. The D-Series & TMF Era (1990s)

  • Context: Introduction of sophisticated transaction monitoring and distributed databases.
  • 1996: A significant EMS Reference Summary was released (PN 114754), formalizing the structure of EMS collectors and distributors.
  • Capabilities: EMSDIST became capable of filtering high-volume events, separating critical errors from warning messages (513-1019).
  • Evolution: Began integrating with the Distributed Systems Management (DSM) suite for better network-wide event visibility. 

3. The Compaq & Integrity (J-Series/H-Series) Era (2000s – 2010s)

  • Context: Shift from MIPS-based processors to Intel Itanium (Integrity) servers.
  • 2003-2005: Integration with Windows-based management systems (DSM/NOW) and improvements to the Multi Event Viewer (MEV).
  • 2014: HP Integrity NonStop Operations Guides emphasized using EMSDIST alongside modern tools like OSM (Open System Management) Event Viewer, especially for H-Series and J-Series systems.
  • Key Capability: Improved handling of large logs, with better time-based querying (TIME and STOP options) for auditing and troubleshooting. 

4. The HPE NonStop X & Modern Era (2015 – Present)

  • Context: Adoption of x86 architecture and cloud-ready systems (L-Series).
  • 2015: HPE takes over the portfolio, accelerating integration with HPE InfoSight for AI-driven log analysis.
  • Modernization: While EMSDIST remains, modern environments heavily leverage NS Software Essentials and third-party tools for advanced analytics.
  • Continued Importance: EMSDIST remains essential for analyzing historical logs via the LOGFILE option, especially when dealing with cold-standby or restored logs from tape/disk. 

Key Functional Milestones

  • Message Categorization: Formalization of messages 513-999 (collectors) and >1000 (distributors) for structured analysis.
  • Filtering Efficiency: Implementation of complex FILTER parameters allowed operators to filter events by process, user, or time.
  • Logfile Access: The ability for EMSDIST to process archived or older LOGFILE entries independently of the live $0 collector.
  • Template Support: Ability to use specific =_EMS_TEMPLATES for customizable output formatting. 

HPE NonStop EMSDIST, Event Management Service Distributor Timeline by year

IT Mark Whitfield, SC Cleared Senior Project Manager

Mark Whitfield is a highly experienced SC cleared Senior IT Project Manager and Engagement Manager with over 30 years in the IT industry, specializing in both Agile and Waterfall delivery for large-scale blue-chip companies, digital projects, and payment systems. After starting as a programmer, he transitioned into project management, eventually working with Capgemini and establishing a professional templates resource site. 

SC cleared Senior IT Project Manager and Engagement Manager

IT Project Management Overview

  • Key Expertise: Senior IT Project Management (Agile / Scrum / Waterfall / PRINCE2), Delivery Management, Business Transformation, and SC clearance.
  • Sector Focus: Banking, Finance, Transportation (Heathrow, NATS), Retail, Government (Local Regional Government – LRG), Aerospace & Defence, and Gambling.
  • Technical Background: Programming in COBOL85, Tandem TAL, SQL, C, C++, Java, and experience with HPE NonStop (BASE24) systems.
Tandem TAL Programming certificate, 1995
  • Tools & Methodologies: PRINCE2, Agile SCRUM, Microsoft Project (MPP), Excel RAID logs, and Jira.
  • Value Proposition: Focuses on improving revenue, cost, and Customer Satisfaction (CSAT) through structured SDLC methodologies. 

Detailed Historical Timeline

Era 1: Programming & Technical Development (1990–1995) 

  • 1990: Graduated in Computing and joined The Software Partnership (later Deluxe Data) in Runcorn as a programmer specializing in electronic banking software (sp/ARCHITECT) on Tandem Computers (now HPE NonStop).
  • 1990-1995: Developed code (COBOL85/NonStop SQL) for major banks, including TSB, Bank of Scotland, Rabobank, and Girofon.
  • 1993 (May): Completed Tandem Guardian Principles Course.
Tandem Guardian Principles Course, 1993
  • 1994: Deluxe Electronic Payment Systems acquired The Software Partnership.
  • 1995 (June): Completed HP NonStop Performance Analysis and Tuning.
Deluxe Electronic Payment Systems acquired The Software Partnership in 1994
HP NonStop Performance Analysis and Tuning, 1995

Era 2: Specialized Software & Product Management (1995–2013) 

Insider Technologies Limited (ITL) in Salford Quays
  • 1995 (August): Joined Insider Technologies Limited (ITL) in Salford Quays as a senior programmer, later moving into product / project management.
  • 1995-2013: Focused on monitoring (Reflex) and batch scheduling (MultiBatch) software for HPE NonStop systems, serving clients like Barclays and Alliance & Leicester.
  • 2000 (May): Completed Microsoft Project ’98 Certification and began training other ITL project managers on scheduling best practices.
  • 2007: Insider Technologies products (Reflex) integrated into FIS solutions.
  • 2013: Published work in the HP NonStop journal “The Connection”. 
HPE NonStop journal “The Connection” – article for the Insider Technologies product, RTLX

Era 3: Senior IT Project Management (2013–2016) 

  • 2013-2014: Worked at Wincor Nixdorf as an IT Project Manager (PRINCE2 / Agile Scrum) on a £5m+ LBG Self-Service Software Replacement (SSSR) program for Lloyds Banking Group, migrating ATM systems from HP NonStop to AIX.
  • 2014-2016: Joined Betfred as a Senior Project Manager, delivering payment gateways, sportsbook, and virtual gaming projects in Agile SCRUM for mobile and online platforms. 

Era 4: Engagement Management & Public Sector (2016–Present) 

  • 2016 (January): Joined Capgemini UK as a client-facing Engagement Manager (SC cleared).
  • 2016 (August): Founded Mark Whitfield Consultancy Ltd, managing independent IT, network, and improvement projects.
  • 2016-2018: Led Waterfall / Agile projects for automotive, local government, and postal services.
  • 2018-2019: Augmented into MuleSoft as a Delivery Manager for the Anypoint Platform.
  • 2023-2024 (Nov-Feb): Served as Technical Delivery Manager for a UK Government account, overseeing a £1m+ Fish Export Service (FES) to Common Entry Health Document (CHED) Inspection Portal (CHIP) project.
  • 2026: Continued to provide project management thought leadership and template resources for Agile/Scrum/PRINCE2. 
Agile Scrum Burn down Chart template in Microsoft Excel
Microsoft Project MPP MSP Project Plan Template examples
Plan On a Page POaP templates plus MPP MS Project and MS Excel Project Plan templates

Key Projects & Clients

  • UK Gov / Capgemini: Fish Export Service (FES) Cloud Migration.
  • MuleSoft: Anypoint Platform.
  • Wincor Nixdorf/Lloyds: ATM/Self-Service Software Replacement.
  • Jaguar Landrover (JLR), Heathrow, Royal Mail Group, NATS, Euroclear: Various IT and Digital projects.
  • Banking: Rabobank, Barclays, HSBC, Bank of England, Standard Chartered. 

IT Mark Whitfield, SC Cleared Senior Project Manager

sp/ARCHITECT electroinic banking by The Software Partnership TSP

sp/ARCHITECT was a pioneering electronic banking and funds-transfer software suite originally developed by the Runcorn-based firm The Software Partnership (TSP). Following its acquisition by the American firm Deluxe Electronic Payment Systems in 1994, the Runcorn office became the European hub for what was then rebranded as Deluxe Data. 

sp/ARCHITECT electroinic banking by The Software Partnership TSP

Overview

The Runcorn operation specialised in high-availability, mission-critical banking software, specifically the sp/ARCHITECT-BANK product. This software was designed to run on Tandem Computers (now HPE NonStop), which were known for their fault-tolerant architecture. The “sp/ARCHITECT” platform was highly valued for its client-server design, allowing it to be adapted for various hardware brands, including Unix-based systems. 

Historical Timeline

  • Mid-1980s: The Software Partnership (TSP) is co-founded by Nigel Walsh. The company starts developing online banking systems in Timperley before moving to Runcorn.
  • 1990: The firm establishes itself at Norton House in Crowngate, Runcorn, focusing on electronic banking software for major clients like TSB and Bank of Scotland.
  • 1992: The Runcorn office relocates to Wingate House on Northway.
  • 1994: Deluxe Electronic Payment Systems (a subsidiary of Deluxe Corporation) acquires The Software Partnership for an undisclosed sum. The acquisition is aimed at helping Deluxe expand its global presence and accelerate the use of the sp/ARCHITECT suite.
  • 1994–1995: The Runcorn office operates as Deluxe Data, providing software design, coding, and 24-hour support for international clients including Rabobank.
  • 2000: Following a series of corporate shifts, the company name changes to EFD eFunds.
  • 2007: By this year, the operation has transitioned to Fidelity National Information Services (FIS) and is based in Aegon House, Daresbury, Warrington. 

sp/ARCHITECT electroinic banking by The Software Partnership TSP

HPE NonStop Data Definition Language (DDL) dictionary overview and timeline

The HPE NonStop Data Definition Language (DDL) dictionary is a specialized subsystem used to define and manage data objects for Enscribe files and translate those definitions into source code for various programming languages. It serves as a central repository for metadata, ensuring consistent data structures across applications written in C, COBOL, TAL, or TACL. 

Program Summary

The DDL dictionary program functions as a metadata management tool. Key capabilities include: 

  • Centralised Definition: Defines records, fields, and file attributes in a hierarchical structure.
  • Code Generation: Translates DDL definitions into language-specific source code (e.g., COBOL copybooks or C headers).
  • Dictionary Maintenance: Allows users to create, examine, and update dictionaries to reflect changes in data structures.
  • Interoperability: Modern tools like Ddl2Bean convert dictionary files into Java Beans or XML, enabling cross-language and cross-platform use. 

Future Outlook

The future of HPE NonStop DDL focuses on modernisation and integration rather than replacement. 

  • Data Virtualization: Integration with AI factories and object storage platforms to expose legacy metadata in open-table formats like Apache Iceberg.
  • API Centricity: Enhancements to the NonStop API Gateway will likely use DDL metadata to automate REST/JSON service orchestration.
  • Real-time Analytics: Native streaming of NonStop data into platforms like Kafka, using DDL definitions to map real-time changes into analytics-ready formats. 

Internet Links & Manuals

HPE NonStop Data Definition Language (DDL) dictionary overview and timeline