COBOL Software Modernization by Franck Barbier, Jean-Luc Recoussine

By Franck Barbier, Jean-Luc Recoussine

These days, billions of strains of code are within the COBOL programming language. This ebook is an research, a analysis, a technique, a MDD technique and a device to rework legacy COBOL into modernized purposes that agree to net computing, Service-Oriented structure (SOA) and the Cloud. It serves as a blueprint for these answerable for discovering options to this significant problem.

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We must read here: “systems with full controllability”. More generally, technology capitalization contradicts high tech. The source of stability and full control of information systems relies on keeping old technologies under long-term utilization despite the fashions. Software modernization is in essence the moment that has been pushed away for a long time. Technology jumps in non-chosen moments are then problematic because they are human-centric. Several psychological and cultural barriers may strongly slow down the process to move forward.

Java EE had many advantages: vendor-neutrality, cloud-compliance, durability, being a worldwide standard, having a broad support offer, being a recognized, proven and widespread technology… Encapsulating a legacy application (a kind of black-box modernization) using the EJB technology or something equivalent is a bad idea despite the listed advantages of EJB. Looking at the same problem with migration would lead us to replace the legacy code by EJB code without significant revisions. In effect, migration does not really address the following issues: what is the buried business value?

Efficiency in short, are key concerns of business analysts, software project managers, software architects and software developers. These people think about and maintain applications on a daily basis, which are edges of an illdelimited graph, even imbroglio, of information channels (hardware and software). Over the years, nobody has the global overview of this graph. Worse still, everybody wonders why this graph does not collapse as a paper castle built from a card game. The rule of the game is now clear: the crash of the information graph is the straightforward bankruptcy of the organization.

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