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.
HPE NonStop PATHCOM is the interactive management interface for the Pathway transaction processing environment. It allows administrators to configure, monitor, and control PATHMON-governed objects such as serverclasses, TCPs (Terminal Control Processes), and links.
Historical Timeline: The Evolution of Pathway & PATHCOM
The history of PATHCOM is inseparable from the Tandem NonStop platform, which pioneered fault-tolerant Online Transaction Processing (OLTP).
The Tandem Era (1974 – 1997)
1974 – 1976: Tandem Computers is founded. The first NonStop I system ships in 1976.
1983: Tandem introduces Pathway software alongside the Transaction Monitoring Facility (TMF). This milestone removes the requirement for developers to manually code fault tolerance into applications, as the Pathway infrastructure (managed via PATHCOM) handles it automatically.
Early 1990s: The platform migrates from proprietary stack machines to MIPS RISC processors (TNS/R architecture). PATHCOM evolves to manage more complex distributed environments.
1994: Open System Services (OSS) is introduced, allowing NonStop to support a Unix-like POSIX environment.
2005: Migration from MIPS to Intel Itanium (Integrity NonStop) begins.
2010s: Pathway evolves into HPE NonStop Pathway with TS/MP (Transaction Services/Massive Parallelism), enabling near-linear scalability for massive OLTP workloads.
The Modern HPE Era (2014 – Present)
2014: NonStop X is introduced, migrating the architecture to Intel x86-64 processors.
2015: Hewlett-Packard splits; the platform continues under Hewlett Packard Enterprise (HPE).
2020 – 2024: Focus shifts toward virtualisation and hybrid cloud. Modern Pathway/TS environments now support massive scaling up to 24,480 cores in a single system image.
Summary of PATHCOM Functionality
Future of NonStop Pathway
HPE’s roadmap for NonStop focuses on integrating mission-critical reliability with modern data centre technologies:
Modernisation: Support for Kubernetes Helm deployments and cloud-native frameworks.
Hardware Advancements: New NS9 X5 and NS5 X5 platforms offer double the memory capacity and 2x faster system interconnects.
Open Integration: Continued emphasis on open application development environments and open-source frameworks.
Hybrid Cloud: Positioning NonStop as a key component of HPE GreenLake for mission-critical workloads in the cloud.
The HPE NonStop Spoolcom (Spooler Command Language) program is the administrative interface for managing the Spooler subsystem on HPE NonStop systems. It allows operators to configure, monitor, and control print jobs, collectors, and print processes.
Program Summary
Purpose: Used to define and manage spooler objects such as collectors, devices, and jobs.
Key Functions: Starting/stopping the spooler, modifying device attributes, and controlling job states (e.g., hold, release, delete).
Architecture: Operates within the Guardian environment, communicating with the Spooler supervisor process to maintain 24/7 fault-tolerant printing operations.
Historical Timeline by Era
1. The Tandem Era (1974–1997)
1976: Introduction of the Tandem NonStop system; basic spooling capabilities were essential for early OLTP (Online Transaction Processing).
1980s: The Spooler evolved to handle complex routing and multiple collectors to support growing enterprise needs.
1997: Spooler D41 released, providing stable management for the MIPS-based architecture.
2. The Compaq & Early HP Era (1997–2014)
1999–2000: Release of Spooler D46, enhancing device ownership and virtual device support.
2001–2002: Spooler D48 released during the transition to the HP Integrity NonStop (Itanium) platform.
2012: Major updates to Spooler D48 to support H01 and H02 RVUs, improving scalability for high-end systems.
3. The Modern HPE Era (2014–Present)
2014: NonStop X (x86-64) introduced. Spoolcom adapted to support the new architecture and virtualised environments.
2018–2020: Focus shifted toward modernised interfaces. While Spoolcom remains the CLI standard, graphical alternatives like MultiBatch began gaining traction for batch management.
2023–2024: Continued integration with HPE GreenLake and hybrid cloud models, ensuring spooling services are available in private cloud deployments.
Futures and Roadmap
Modernisation: HPE is pushing toward “modernisation through tradition,” which includes better integration of legacy tools like Spoolcom with modern DevSecOps and cloud-native frameworks.
Kernel-Level Threading (KLT): Future updates aim to leverage KLT to improve the performance and scale-up capabilities of management processes.
Data-Centric Security: Integration with security platforms like TAMUNIO for field-level tokenization ensures that printed data remains compliant with PCI DSS 4.0 and GDPR.
HPE NonStop Inspect is the primary symbolic, source-level debugger for applications running on the HPE NonStop (formerly Tandem) operating system. It allows developers to interactively control program execution, examine and change data variables, and debug complex multi-process applications in both the Guardian and Open System Services (OSS) environments.
Program Summary
The Inspect debugger family facilitates high-availability software development through several specialized versions:
Inspect (Legacy): A command-line tool for TNS, TNS/R, and TNS/E systems.
Native Inspect (eInspect/xInspect): Adapted from GDB for Itanium and x86 architectures; it provides a command-line interface with scripting capabilities.
Visual Inspect: A Windows-hosted GUI debugger that provides “point-and-click” efficiency for setting breakpoints and displaying variables.
NSDEE (Eclipse): Modern debugging integrated into the Eclipse-based development environment, supporting NonStop Application, Attach Process, and Snapshot debug configurations.
Historic Timeline by Era
The evolution of the NonStop debugger mirrors the platform’s hardware transitions over five decades.
The Tandem Era (1974 – 1997)
1974: Tandem Computers is founded; the platform begins with T/16 (NonStop I).
1980s:Inspect is introduced as the standard interactive debugger for the TNS (Tandem Network Strategy) CISC architecture.
Early 1990s: Migration to MIPS-based TNS/R systems; Inspect is updated to support RISC instruction sets and optimized compilers.
The Compaq & Early HP Era (1997 – 2014)
1997: Compaq acquires Tandem.
2002: HP acquires Compaq; migration to TNS/E (Intel Itanium) architecture begins.
2005 – 2010:Visual Inspect becomes a staple for developers seeking a GUI experience on Windows.
2013: Release of the Inspect H01 Manual, documenting full support for TNS/R and TNS/E concurrent debugging.
The Modern HPE Era (2014 – Present)
2014: Introduction of NonStop X (x86-64 architecture). Native Inspect (xInspect) is launched, based on GDB, to support the move away from Itanium.
2015: HPE is formed; focus shifts to the NonStop Development Environment for Eclipse (NSDEE).
2020 – 2024: Enhancements in NSDEE include improved OSS process handling and support for large-scale application debugging.
HPE’s roadmap for NonStop focuses on modernisation through tradition, ensuring that legacy tools like Inspect remain compatible while transitioning to cloud-native and virtualized environments.
Virtualized NonStop (vNS): Debugging tools are being adapted to work seamlessly within enterprise private clouds and HPE GreenLake consumption models.
Richard Buckle, founder of Pyalla Technologies, is a prominent thought leader in the HPE NonStop community known for his “Real Time View” column. His work provides a detailed chronological perspective on the platform’s evolution from its Tandem origins to modern cloud-native implementations.
The Tandem Era: Foundations (1974 – 1997)
This era established the core architecture of fault tolerance and “non-stop” processing.
1974: Tandem Computers is founded; the first “NonStop” system is commissioned.
1970s – 1980s: The platform gains dominance in financial services, telco, and healthcare.
1996: Managed service models begin for Tandem users, with firms like Tandem Computer Management (TCM) winning major contracts like Bank of Scotland.
The Compaq & Early HP Era: Transition (1997 – 2013)
A period of shifting corporate ownership and the end of the original Cupertino campus era.
1997: Compaq acquires Tandem Computers.
2002: HP acquires Compaq, bringing NonStop into the HP Enterprise fold.
2008: The official end of the Cupertino Tandem campus as NonStop teams move to other facilities.
The X86 & Virtualization Era: Modernization (2013 – 2023)
Buckle documented the massive shift from proprietary hardware to industry-standard Intel x86 architecture.
2013: Announcement at NonStop TBC that the platform will support Intel x86.
Mark Whitfield is a highly experienced SC-cleared Senior IT Project Manager and Engagement Manager with over 30 years of experience in the software development lifecycle (SDLC), specializing in Agile and Waterfall delivery for financial, automotive, and public sector clients. He has a strong background in HP NonStop (Tandem) systems and currently works for Capgemini.
Mark Whitfield, Senior IT PM and Project templates author
1990–1994: The Software Partnership (Runcorn): Programmer specializing in electronic banking software (sp/ARCHITECT-BANK) on Tandem Computers.
1994–1995: Deluxe Data (formerly TSP): Lead Analyst/Programmer, focusing on software investigation, design, coding, and on-site installation for clients like TSB, Bank of Scotland, and Rabobank.
Development & Technical Specialization (1995–2013)
1995–2013: Insider Technologies Limited: Spent 18 years progressing from Senior Development Engineer to Project Manager for Strategic Technical Initiatives.
Key Roles: Managed Reflex 80:20 and Reflex ONE24 product development, technical pre-sales, and consultancy. Developed diagnostic software for monitoring payment systems (BASE24).
Notable Project: Managed a bid to replace legacy ATM tools at LloydsTSB (5000 ATMs) with Reflex ONE24.
Banking & Digital Project Management (2013–2016)
2013–2014: Wincor Nixdorf: Project Manager in the Professional Services Banking Division, managing a £5m+ work stream for Lloyds Banking Group’s Self-Service Software Replacement (SSSR) programme.
2014–2016: Betfred: Senior Digital Project Manager for the Online and Mobile Division, delivering payment gateways and sportsbooks for iOS, Android, and Windows.
Senior Engagement Management (2016–Present)
2016–Present: Capgemini UK: Engagement Project Manager responsible for delivering both Waterfall and Agile digital projects.
2016 (Approx.): Assigned to a UK-wide Air Traffic organization (NATS) for Apple iOS app delivery.
2018–2019: MuleSoft (Secondment): Served as a Delivery Manager for the Anypoint Platform.
Current Focus: Cloud Migration (Hybrid) of 130 apps for UK Government.
Agile Management: “Mark provided an excellent barrier between us (developers) and a difficult client…ensuring that we followed the agile principles” — Callum Marriage (Developer).
MuleSoft/Capgemini Engagement: “Customers loved him. His was extremely detailed oriented and understood the often-complex needs…never became flustered in high pressure situations” — Delivery Manager, MuleSoft.
Betfred (2015): “I would highly recommend Mark for his ability to successfully multi-task under significant pressure… [he] produced a very comprehensive handover document” — IT Compliance Analyst, Betfred.
Capgemini/JLR Project: “Mark was able to do a good planning, with the correct resources, on time delivery and with good relationship between stakeholders” — Head of Integration Development.
Mark Whitfield’s website (mark-whitfield.com) serves as a professional portfolio and resource hub for his 30+ year career as a SC-cleared Senior IT Project Manager. It offers over 200 editable project management templates for Agile, Waterfall, and PRINCE2 methodologies, alongside career insights and project experience.
Website & Content Overview
Project Management Resources: The site, often known as PROject Templates, provides downloadable templates for planning, scheduling (Gantt charts), project initiation (PID), and project control.
Methodology Focus: Resources are tailored for PRINCE2 (including Agile Scrum), and Agile/Waterfall delivery methods.
Career Portfolio: Features his work history as a Senior IT Project Manager, including roles at Capgemini, Betfred, and various financial institutions.
Technical Specialization: Highlights expertise in HP NonStop systems, digital projects, and payment/transaction systems.
Professional Background: Mentions his experience with major clients such as Jaguar Landrover, Heathrow, Royal Mail, and various banks.
The site is designed for project managers looking for templates to speed up project documentation and for clients looking to review his career accomplishments.
Senior IT Project Manager & Project Templates author – Mark Whitfield
Templates sold on this website are designed for Microsoft Office (Excel, Word, PowerPoint) and MS Project (MPP) and are used for tracking and planning software development lifecycle (SDLC) projects.
Template Breakdown
The templates, often sold in a bundle, include over 200+ editable items aimed at project delivery. Key components include:
Project Planning (MS Project & Excel): Detailed Waterfall project planners with Gantt views, Agile Sprint plans, and Plan on a Page (POaP) examples.
RAID Logs (Risk, Action, Issue, Dependency): Comprehensive Excel trackers for managing risks, issues, assumptions, and dependencies.
Financial & Resource Management: Project finance trackers (forecasts, actuals, variance) and resource trackers for tracking team members and costs.
Mark Whitfield is a highly experienced IT Senior Project Manager and Engagement Manager based in Manchester, UK, specializing in Agile Scrum, PRINCE2, and Waterfall methodologies. He holds a degree in Computing (1990) and has extensive experience in IT hardware solutions, financial services, and Aerospace & Defence.
Here is a comprehensive summary of his profile, with links based on the provided search data:
Professional Profile
Name: Mark Whitfield
Role: IT Senior Project Manager / Engagement Manager (SC Cleared)
Mark Whitfield is a highly experienced IT Project Manager, Senior Developer, and SC-cleared consultant with over 30 years of experience, specializing in HP NonStop (Tandem) systems, banking software, and digital transformation projects. He is currently an Engagement Project Manager at Capgemini.
Career Overview
Specialism: HP NonStop (Tandem) mainframes, BASE24, transaction monitoring, Agile/Waterfall methodologies.
1990: Graduated in Computing and started as a Programmer for The Software Partnership in Runcorn, specializing in sp/ARCHITECT-BANK on Tandem Computers.
1990-1994: Developed banking code for TSB, Bank of Scotland, Rabobank, and Girofon (Denmark).
1992: Worked on the Barclays Business Master II (BBM II) project in Knutsford.
1994: Company taken over by Deluxe Data (later FIS).
2. Insider Technologies & Monitoring Era (1995–2013)
1995–2013: Joined Insider Technologies Ltd as a Senior Development Engineer and Project Manager.
1995-2004: Developed monitoring/diagnostic software (Reflex 80:20, Reflex ONE24) for HP NonStop payment systems.
1997: Worked on projects for CRESTCo.
Early 2000s: Focused on HP NonStop transaction/payment monitoring for ATM/POS devices using ACI’s XPNET.
2005-2013: Managed first HP OpenView Operations Smart Plug-In certification for NonStop; designed XPERT24.
2011: Certified as a PRINCE2 Practitioner.
3. Banking Transformation & Consultancy Era (2013–2016)
2013–2014: Wincor Nixdorf UK – Worked as a Project Manager in Professional Services for the Banking Division.
2013-2014: Assigned to Lloyds Banking Group (LBG) for the Self-Service Software Replacement (SSSR) program (ATM estate upgrade).
2014–2016: Joined Betfred as an IT Project Manager in the gambling/casinos industry, delivering mobile/online payment gateways (iOS, Android).
4. Digital Transformation & Capgemini Era (2016–Present)
2016: Joined Capgemini UK as a client-facing Engagement Manager.
2016-2017: Led digital projects for automotive, local government, and aerospace sectors.
2017: Obtained Microsoft Excel Expert skills and Advanced Engagement Management certifications.
2018–2019: Augmented into MuleSoft as a Delivery Manager for the Anypoint Platform.
2022: Completed Microsoft Azure Fundamentals (AZ-900) certification.
2023–2024: Assigned to a UK Government account for a cloud migration of 130+ applications and the Fish Export Service (FES) project.
Key Qualifications
PRINCE2 Practitioner & Agile Scrum
ITIL Certified
SC Cleared (UK Government)
Technical Skills: C, C++, MS SQL, COBOL, TAL, Java, ASP.NET, HP NonStop
The HPE NonStop architecture is defined by its “shared-nothing” design, where every hardware and software component is redundant and operates independently to ensure 100% operational continuity. For over 40 years, it has evolved through four distinct hardware eras while maintaining upward software compatibility.
1. The Tandem Era (1974–1997): Proprietary Foundations
Architecture Approach: Founded by James Treybig, Tandem introduced the first commercial fault-tolerant system using a proprietary 16-bit stack-based architecture.
Key Technical Milestones:
1976 (NonStop I/T16): Introduced the Dynabus, a custom inter-processor backplane, and the Guardian OS, which used message-passing instead of shared memory to isolate faults.
1981–1983 (NonStop II & TXP): Introduced 32-bit addressing and the Transaction Monitoring Facility (TMF), which allowed applications to be fault-tolerant without specialized coding.
1986–1989 (VLX & Cyclone): Scaled to the mainframe market with ECL gate-array chips and the first fault-tolerant relational database, NonStop SQL.
2. The MIPS Era (1991–2004): Migration to RISC
Architecture Approach: To keep pace with industry performance, Tandem transitioned from proprietary processors to off-the-shelf MIPS RISC processors while emulating the original instruction set for compatibility.
Key Technical Milestones:
1991 (Cyclone/R): The first MIPS-based system.
1997 (Himalaya S-Series): Replaced Dynabus with ServerNet, a high-speed system interconnect that later evolved into the industry-standard InfiniBand.
Ownership Shift: Compaq acquired Tandem in 1997, and HP merged with Compaq in 2002.
3. The Itanium Era (2005–2013): HP Integrity NonStop
Architecture Approach: Branded as Integrity NonStop (NonStop i), this era moved the platform to Intel Itanium processors.
Key Technical Milestones:
2005 (NS-series/J-series): Focused on “NonStop Advanced Architecture” (NSAA), leveraging standard HP server components to lower costs while maintaining Availability Level 4 (AL4).
Technical Commentary: While powerful, the reliance on Itanium’s EPIC architecture eventually limited growth as the industry consolidated around x86-64.
4. The Modern HPE Era (2014–Present): x86-64 & Virtualization
Architecture Approach: Shifted to standard Intel x86-64 processors (NonStop X), fully decoupling the software stack from proprietary hardware.
Key Technical Milestones:
2014 (NonStop X/TNS/X): Introduced the L-series operating system. The architecture transitioned to a standard InfiniBand fabric for inter-processor communication.
2017–2020 (vNS): Launched Virtualized NonStop (vNS), allowing the environment to run on standard hypervisors like VMware, bringing fault tolerance to private and hybrid clouds.
2025 (NS9 X5): Modern systems now support up to 8 TB of RAM and are integrated into the HPE GreenLake consumption-based cloud model.
PROject Templates 