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  • How The Latest TRs Bolster The Core IBM i OS

    October 7, 2020 Alex Woodie

    Yesterday was Technology Refresh (TR) day for IBM and its IBM i operating system, and Big Blue didn’t disappoint. The company unveiled new releases of IBM i 7.4 and 7.3 that bring a slew of new capabilities to the core operating system as well as surrounding offerings like Db2 Mirror, ACS, and RDi. In this article, we’ll look at enhancements to the core OS and related key features.

    During a COMMON webcast Tuesday, IBM i Chief Architect Steve Will touched broadly on a number of enhancements that soon will be available in the TRs. Most of the new capabilities will …

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  • i2Rest Offers Native API Alternative to IWS

    August 19, 2020 Alex Woodie

    IBM i shops that want to expose their RPG applications as industry standard Web services have a few options to choose from. One solution they should keep on their list is i2Rest, which is a native ILE application that exposes RPG using modern OAuth2 and OpenAPI standards.

    We first came across Alexei Baranov’s work back in 2012, when he was involved in the port of the SVN client to IBM i while working at a Moscow, Russia-based consulting firm. Soon thereafter, Baranov started working on developing Web services tools for IBM i.

    The first version of his new Web …

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  • How GraphQL Can Improve IBM i APIs

    March 9, 2020 Alex Woodie

    IBM i shops are embracing APIs as a method for accessing data and programs, just like the wider IT world. As RESTful Web services overtook SOAP-based ones in popularity, IBM i shops moved with them. Now a new approach to Web services, dubbed GraphQL, is gaining traction in the wider IT world, and leading IBM i developers are right there again.

    GraphQL, if you’re not familiar, is a relatively new language and runtime for exposing and consuming APIs. The software, which was originally developed in 2015 by Facebook to streamline delivery of content in complex environments, essentially provides an abstraction …

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  • Monoliths, Microservices, And IBM i Modernization: Part 1

    October 7, 2019 Alex Woodie

    What’s the best approach for application modernization: Maintain the monolithic architecture, or break it into individual microservices? This is an important question, especially for IBM i shops that are looking to take their considerable investment in encoded business logic to the next level.

    At first blush, the answer seems obvious: Monolithic architectures are bad, and microservices are good. Monolithic architectures, which are still quite prevalent in the IBM i world, proliferated from the 1970s well to the 2000s thanks in part to the popularity of packaged ERP suites that automated a multitude of processes and also to the programming inclinations …

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  • A HATS For Many Occasions

    March 25, 2019 Alex Woodie

    IBM gives customers plenty of options when it comes to its Rational Host Access Transformation software, including several modes of operation, different runtime options, and support for different operating systems in screen modernization engagements. With last week’s launch of HATS version 9.7, the development and deployment options got even wider.

    Regardless of which downstream options a HATS customer ultimately chooses, it all starts out basically the same on the front side of the sausage machine: Customers come to HATS because they have a 5250 (or 3270 or VT100) application that they want to transform, but they don’t want to go …

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  • Taking A Fresche Approach To IBM i-Watson Education

    February 4, 2019 Alex Woodie

    There is a big data analytics revolution taking place that threatens to separate the AI haves from the have-nots. Companies that run the IBM i server want to get in on the analytics action just like everybody else, but AI discussions often stray away from IBM i. Now Fresche Solutions is working to close that disconnect with a series of educational courses centered squarely on the intersection of IBM i and Watson.

    Last year, Fresche Solutions worked with IBM last year to put together a series of onsite training seminars aimed at giving IBM i professionals the educational tools they …

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  • Modernizing IBM i Apps with Microservices

    November 7, 2018 Alex Woodie

    Application modernization means different things to different people. For some, it could be turning a 5250 screen into a Web or mobile interface, or replacing database access with SQL. But for others in the IBM i community, including the vendor OpenLegacy, modernization refers to exposing existing business logic as APIs through a microservices architecture.

    Microservices refers to a software development technique whereby applications are broken down into multiple self-contained components and served via APIs in a loosely coupled but coordinated manner. The main advantage of this approach is each microservice is built independently of others, which can boost productivity and …

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  • VACAVA’s Low-Code Approach To Modernization

    July 9, 2018 Alex Woodie

    IBM i shops have lots of options when it comes to application modernization. At one end of the spectrum are screen-scraper tools, which can provide a quick fix for shops tired with the 5250 interface. IBM i shops with more time, money, and inspiration may choose to completely rewrite their application on a new platform. Somewhere in between lies RapidBIZ, a low-code modernization affair from VACAVA.

    The folks at VACAVA knows a thing or two about the IBM i platform. For starters, the company is based in Rochester, Minnesota, home of the world-famous IBM lab where the AS/400 was created …

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  • A Closer Look At Enhancements To Integrated Web Services

    March 21, 2018 Dan Burger

    Technology Refresh 8 for IBM i 7.2 and TR4 for IBM i 7.3 became available last week. One of the enhancements in this TR pertains to the Integrated Web Services (IWS), which Business Architect for IBM i Application Development Tim Rowe calls IWS “one of our most widely used pieces of software from an integrated perspective.”

    Web services provide the capability to expose the database to outside developers via APIs and Web services. Although that thought brings a shiver down the spine of many developers who learned the proprietary ways of the AS/400, multi-platform integration is the modern development path. …

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  • New IBM i Technology Refreshes Announced; Available Mid-March

    February 14, 2018 Dan Burger

    IBM yesterday announced that Technology Refresh 8 (TR8) for IBM i 7.2 and TR4 for IBM i 7.3 will provide support for Power9 hardware, enhancements for RPG, security enhancements, and a variety of new capabilities for licensed products. The support for Power9 will be covered elsewhere in this issue of The Four Hundred. Here, we’ll provide an overview of the IBM i operating system, licensed programs, and software.

    When TR enhancements include RPG, I like to begin there. Application developers using Rational Development Studio should take note of the new operation code referred to as DATA-INTO, which adds the …

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