Category: Tandem

HPE NonStop Pathway (now often part of NonStop TS/MP) – Detailed Timeline

HPE NonStop Pathway (now often part of NonStop TS/MP) has a legacy spanning nearly five decades, evolving from a terminal management system into a sophisticated middleware for high-scale, fault-tolerant Online Transaction Processing (OLTP). 

Comprehensive Evolution Timeline

  • 1976: Genesis (Tandem Computers)
    The HP NonStop platform was originally introduced by Tandem Computers Inc. as the first fault-tolerant commercial computer. Pathway was soon developed to manage the distribution of transaction requests across multiple server processes.
  • 1980s: The Classic Pathway Era
    Pathway became the standard for “Screen COBOL” applications. It introduced the PATHMON process to monitor and manage serverclasses, ensuring that if one process failed, another would immediately take its place.
  • 1997: Compaq Acquisition
    Compaq acquired Tandem, integrating the NonStop technology into its enterprise portfolio. During this time, Pathway began adapting to newer networking protocols and client-server architectures.
  • 2002: Hewlett-Packard (HP) Acquisition
    HP merged with Compaq, and the platform was rebranded as HP NonStop. Pathway evolved into NonStop TS/MP (Transaction Services/Massive Parallelism), allowing for even greater scalability across massive clusters of processors.
  • 2014–2015: The x86 Revolution
    HP announced the NonStop X architecture, moving the platform from Itanium processors to standard Intel x86 hardware. Pathway (TS/MP) was optimized to run on this new architecture, providing the same high availability with modern hardware performance.
  • 2015–Present: HPE and Modern Middleware
    Following the split of HP, Hewlett Packard Enterprise (HPE) continued developing Pathway. Modern versions (like NonStop TS/MP 2.8) support advanced features like:
    • Dynamic Server Processes: Automatically scaling server instances based on load.
    • Heterogeneous Interoperability: Allowing TUXEDO or Java clients to access Pathway servers.
    • Virtualization: Deployment via HPE NonStop Virtual Enterprise (vNS). 

Core Components Over Time

  • PATHMON: The “manager” process that monitors all objects in the environment.
  • PATHCOM: The command-line interface used to configure and start Pathway objects.
  • Serverclasses: Groups of identical server processes that distribute transaction load for fault tolerance. 

HPE NonStop Pathway (now often part of NonStop TS/MP) – Detailed Timeline

TACL for HPE NonStop Tandem, Detailed Timeline

Tandem Advanced Command Language (TACL) is the interpreted, high-level command and programming language for HPE NonStop (formerly Tandem) systems. Its timeline follows the evolution of Tandem hardware and the Guardian operating system. 

Comprehensive TACL Timeline

  • 1974–1976: Foundation of Tandem
    • Tandem Computers Inc. was founded. The initial operating system, Guardian, was designed for fault-tolerant computing.
  • Late 1970s: Initial Release
    • TACL was introduced in the 1970s as the primary command interface, replacing or augmenting earlier, more primitive command interpreters. It was written in TAL (Tandem Application Language).
  • 1980s: Mature Programming Capabilities
    • TACL evolved from a simple shell into a powerful programming language. Key features like Macros, Routines, and Variables (TEXT, ALIAS, STRUCT) were solidified during this era to automate complex system tasks.
  • 1994: D-Series (D30.00) Release
    • A significant update was documented in the TACL Programming Guide for D30.00, which detailed advanced features like Nowait I/O, Pathway Server integration, and SPI/EMS programmatic interfaces.
  • 1997–2000s: Corporate Transitions (Compaq & HP)
    • 1997: Compaq acquired Tandem.
    • 2002: HP merged with Compaq, and TACL development continued under the HP NonStop banner.
    • 2000: Updated reference manuals detailed TACL’s environment customization and the use of the _EXECUTE variable for program flow.
  • 2010s: H-Series and HPE Era
    • 2013: Comprehensive Reference Manuals were released, refining built-in functions for the H-Series architecture.
    • 2015: Hewlett Packard Enterprise (HPE) was formed. TACL is now maintained as part of the HPE NonStop software stack.
  • Current: Legacy & Automation
    • TACL remains the essential tool for administrative tasks and system-level automation on modern HPE NonStop X (x86) platforms.

TACL for HPE NonStop Tandem, Detailed Timeline

HPE NonStop Tandem TAL Detailed Timeline

TAL (Tandem Application Language) is the original system programming language for the HPE NonStop (formerly Tandem) platform. Developed by Tandem Computers in the mid-1970s, it was designed to provide high-level efficiency while allowing low-level machine access, similar to C but with a syntax influenced by ALGOL. 

Detailed Development Timeline

  • Mid-1970s: The Genesis
    • Tandem Computers, founded by James Treybig, introduces the first NonStop I system in 1976.
    • TAL is released as the primary language for writing the Guardian Operating System and system-level utilities.
    • The Tandem Advanced Command Language (TACL) is initially developed during this decade using TAL.
  • 1980s: Growth and Maturity
    • 1981–1983: Introduction of the NonStop II and TXP systems. TAL becomes the standard for developing mission-critical transaction applications like banking and point-of-sale systems.
    • 1985: The TAL Reference Manual is updated (March 1985), formalising advanced features like DEFINEs, LITERALs, and complex pointer arithmetic.
  • 1990s: Transition to RISC
    • Tandem introduces TNS/R (RISC) systems based on MIPS processors.
    • pTAL (Portable TAL) is introduced to allow TAL code to run “natively” on RISC hardware, offering better performance than the emulated TNS environment.
  • 2000s–Present: Modernisation and Maintenance
    • 2003–2005: HP (which acquired Compaq, who had bought Tandem) migrates NonStop to Intel Itanium (TNS/E) and later x86 architectures (TNS/X).
    • 2006: The Common Run-Time Environment (CRE) is enhanced to support mixed-language programs (C, COBOL, pTAL) seamlessly.
    • Current Status: TAL is considered a legacy language, with most new development occurring in C/C++ or Java. However, it remains vital for maintaining the core Guardian OS and legacy banking kernels. 

Typical Program Development Workflow

According to the TAL Programmer’s Guide, a developer follows this “timeline” to create a program:

  1. Source Code Creation: Writing statements, removing comments, and defining PROCs and SUBPROCs.
  2. Compilation: Running the TAL Compiler to generate an object file.
  3. Binding: Using the Binder Program to link the object file with the TALLIB Run-Time Library.
  4. Acceleration: Running the Accelerator (for TNS code) to optimise it for native hardware execution.
  5. Execution: Deploying via the TACL interface. 

HPE NonStop Tandem TAL Detailed Timeline

COBOL Development Detailed Timeline Overview

COBOL (Common Business-Oriented Language) has evolved from a 1959 “stopgap” experiment into a cornerstone of global finance, currently powering approximately 95% of ATM swipes and 80% of in-person credit card transactions. 

The Early Years (1959–1965)

  • 1959 (Origins): Following a meeting at the Pentagon in May, the Conference on Data Systems Languages (CODASYL) was formed to create a machine-independent language for business. It was heavily influenced by Grace Hopper’s FLOW-MATIC.
  • 1960 (First Release): The COBOL-60 specifications were published. In December, the same program was successfully run on two different manufacturers’ computers (RCA and Univac), proving portability.
  • 1961–1965 (Rapid Revisions): Successive updates included COBOL-61 and COBOL-65, which introduced critical features like the SORT and REPORT WRITER facilities. 

Standardisation & Dominance (1968–1985) 

  • 1968 (COBOL-68): The American National Standards Institute (ANSI) published the first official standard, making COBOL the industry benchmark.
  • 1974 (COBOL-74): This update added file organisation methods and the DELETE statement, further refining data management capabilities.
  • 1985 (COBOL-85): A major milestone that introduced structured programming (e.g., END-IF, EVALUATE) to improve code readability and maintainability. 

Modernisation & Object-Orientation (2002–Present) 

  • 2000 (The Y2K Crisis): COBOL regained global attention as programmers rushed to fix the “Millennium Bug” in legacy systems.
  • 2002 (COBOL-2002): The first major update in 17 years introduced Object-Oriented (OO) features, Unicode support, and XML processing.
  • 2014 (COBOL-2014): Simplified the language by making several niche features (like the SCREEN SECTION) optional and adopting IEEE 754 floating-point math.
  • 2023 (COBOL-2023): The current ISO/IEC 1989:2023 standard added modern programming comforts like asynchronous messaging (SEND/RECEIVE), transaction processing (COMMIT/ROLLBACK), and bitwise operators. 

Today, despite its age, an estimated 800 billion lines of COBOL remain in active use, with modernization efforts focusing on cloud integration and interoperability with Java and .NET.

COBOL Development Detailed Timeline Overview

sp/ARCHITECT-BANK module – development in Runcorn, Cheshire by The Software Partnership

The software known as sp/ARCHITECT (specifically the sp/ARCHITECT-BANK module) has a timeline tied to its development in Runcorn, Cheshire, by a firm originally called The Software Partnership. 

Company & Product Timeline

  • Mid-1980s: The Software Partnership is co-founded by Nigel Walsh.
  • 1989: The company begins significant operations in Runcorn, initially at Wingate Drive (Timperley) and later moving to Norton House in Crowngate.
  • 1990–1994: Development period for sp/ARCHITECT in Runcorn. The software was a banking system used by major institutions including TSB, Bank of Scotland, and Rabobank.
  • 1992: The firm relocates its Runcorn base to Wingate House on Northway.
  • 1994: The Software Partnership is acquired by the American company Deluxe Electronic Payment Systems (a division of Deluxe Corporation).
  • Post-1994: Following the acquisition, the entity operated as Deluxe Data International Operations.
  • Later Transitions: The lineage of the Runcorn operations eventually merged into larger fintech entities, including eFunds, EFD, and ultimately FIS. 
Deluxe Data, Wingate House
The Software Partnership, Norton House

sp/ARCHITECT-BANK module – development in Runcorn, Cheshire by The Software Partnership

TSP / Deluxe Data : 1990 – 1995

HPE NonStop Tandem Timeline History

HPE NonStop (originally Tandem) has a nearly 50-year history as the gold standard for fault-tolerant, “always-on” computing. Originally developed by Tandem Computers to eliminate single points of failure, the platform has survived through several major corporate acquisitions while evolving its underlying processor architecture. 

Founding and The Tandem Era (1974–1997)

The “NonStop” architecture was born from the idea that a single hardware failure should never crash a system.

  • 1974: Tandem Computers is founded by Jimmy Treybig and three former HP engineers.
  • 1976: The first Tandem/16 (later NonStop I) is shipped to Citibank. It featured a “shared-nothing” architecture where each CPU had its own memory and copy of the Guardian OS.
  • 1981: NonStop II is released, introducing 32-bit addressing to support larger applications.
  • 1983: The NonStop TXP and Pathway software are introduced. Pathway revolutionized the platform by allowing programmers to write fault-tolerant apps without manually coding “checkpoints”.
  • 1986: NonStop SQL is launched, the first fault-tolerant relational database.
  • 1989: NonStop Cyclone arrives, a high-end mainframe-class system.
  • 1991–1993: Transition to MIPS RISC processors begins with the Cyclone/R and the Himalaya K-series. 

Corporate Acquisitions and Transition (1997–2014)

The platform changed hands twice in five years, but the mission-critical nature of the technology kept it alive.

  • 1997: Compaq acquires Tandem for $3 billion to bolster its enterprise server offerings.
  • 1997: The Himalaya S-Series introduces ServerNet, a high-speed interconnect that later evolved into the industry-standard InfiniBand.
  • 2002: HP merges with Compaq, bringing the NonStop line under Hewlett-Packard.
  • 2005: NonStop i (Integrity) is launched, transitioning from MIPS to Intel Itanium processors. 

The Modern HPE Era (2015–Present)

Today, the platform focuses on integrating with modern data centre standards like x86 and cloud-native virtualisation. 

  • 2014–2015: NonStop X (TNS/X) is introduced, moving the architecture to industry-standard Intel x86-64 processors.
  • 2015: HP splits; the server line becomes part of Hewlett Packard Enterprise (HPE).
  • 2017: Virtualised NonStop (vNS) is released, allowing the software stack to run in virtual machines (KVM/OpenStack).
  • 2020: HPE officially ends sales of Itanium-based systems, completing the transition to x86.
  • 2024: The platform celebrates its 50th anniversary, continuing to power the majority of the world’s ATM and credit card transactions. 

HPE NonStop Tandem Timeline History

Insider Tech : 1995 – 2013
My Career in HPE NonStop Tandem, 1995 thru 2013
TSP / Deluxe Data : 1990 – 1995
My Career in HPE NonStop Tandem, 1990 thru 1995

BASE24 and core Networking Component XPNET timeline

The technical timeline for BASE24 and its core networking component, XPNET, reflects the evolution of high-availability payment switching on HP NonStop (Tandem) systems.

Technical Evolution Timeline

  • 1980s: The Foundation
    • BASE24 Release: Originally developed by Applied Communications Inc. (now ACI Worldwide), BASE24 was built for the Tandem Guardian operating system.
    • XPNET Introduction: Developed as the Message-Oriented Middleware (MOM) to handle all transaction routing and communications. It introduced a multi-node architecture allowing different “satellite” processes (ATM, POS, Host) to communicate.
  • 1990s: Scale and Maturity
    • Classic Era: BASE24 “Classic” became the industry standard for ATM and POS switching.
    • XPNET 3.x: Enhanced to support larger networks and more complex auditing through NCPCOM.
    • Language & DB: The system relied on TAL (Tandem Application Language), COBOL, and the Enscribe database.
  • 2000s: The Shift to BASE24-eps
    • 2003–2005: ACI introduced BASE24-eps (Electronic Payment Systems). This was a re-architecture using C++ and Java to provide platform independence.
    • XPNET 4.1: Released to support the transition, adding features like Common Transport Subsystem (CTS) for better Pathway integration and support for external processes.
    • z/OS Support: By 2009, BASE24-eps was fully ported to IBM z/OS using CICS and VSAM.
  • 2010s – Present: Modernisation & Cloud
    • 2014–2017: Continued updates to BASE24 Classic R6.0, maintaining its relevance for legacy users.
    • Cloud Enablement: Recent versions of BASE24-eps focus on REST API integration via tools like LightWave, allowing legacy XPNET paths to be exposed as web services.
    • Active/Active Environments: Modern implementations focus on “continuous availability” using GoldenGate for data replication between sites. 

Key Technical Components

  • NMM (Network Management Module): The core process of XPNET that manages the configuration of lines, stations, and links.
  • LCONF: The Logical Network Configuration File used by XPNET to define how messages route between processes.
  • Auditing: XPNET provides the primary transaction auditing mechanism, which is still utilized by both Classic and eps versions.

BASE24 and core Networking Component XPNET

HPE NonStop Tandem ViewPoint EMS Event log viewer

The timeline of HPE NonStop ViewPoint (and its modern successor, Web ViewPoint) reflects the evolution of NonStop systems from Tandem’s fault-tolerant beginnings to Hewlett Packard Enterprise’s modern cloud-integrated management. 

Detailed History Timeline

  • Pre-2000: Legacy ViewPoint
    • Originally developed for the Tandem NonStop platform to provide a graphical operations interface for monitoring system status and events.
    • Featured early support for DSM/PM (Distributed Systems Management/Performance Monitor) and event management through primary and alternate event logs.
  • 2003–2005: Transition to Web ViewPoint
    • September 2003: Version 4 AAD released as an early iteration of the web-based management tool.
    • May–October 2004: Progressive upgrades (Versions 5.0 and 5 AAF) introduced refined management capabilities for S-Series servers.
    • March 2005: Version 5 AAG released, consolidating features for the S-Series.
    • November 2005: Web ViewPoint for Itanium (Version H01AAI) launched, marking the shift to the Intel Itanium-based Integrity NonStop architecture.
  • 2013–2015: The x86 Revolution & Virtualization
    • 2014: Support for Intel x86 architecture was officially announced, leading to the launch of NonStop X.
    • Evolution to Web ViewPoint Enterprise (WVP E): The platform evolved into an automated management product, eventually adding integration with cloud-based analytics like HPE Remote Analyst.
  • 2018–Present: Modern Hybrid Cloud Era
    • L-Series Support: Continued updates provided support for L-Series operating environments and enhanced security monitoring.
    • 2023–2024: Recent developments focus on Web ViewPoint Enterprise, featuring a global configuration platform and enhanced historical data capture through integrations like Sentinel for HPE NonStop. 

For more specific documentation, you can browse the HPE NonStop Manuals on the HPE Support Center.