CICS / WebSphere

This series reviews the CICS Open Transaction Environment (OTE) and its effect on CICS and how CICS uses machine resources. The first article, “CICS and the Open Transaction Environment: A Retrospective,” (available at http://entsys.me/q98ug) examined the history of CICS and IBM’s attempts to provide relief from CICS’ chronic CPU constraint, culminating in the introduction of the OTE. This second article concentrates on the potential benefits of OTE to non-DB2 users, while the final article will focus on the potential CPU savings OTE can provide to CICS/DB2 applications…

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According to a 2013 report based on a study with the readers of Enterprise Tech Journal, 91 percent of respondents say that some part of their business-critical data was in VSAM (New mainframe application availability report: Survey facts and insights available here). These organizations can benefit from optimizing the performance of VSAM batch, a process that starts with knowing the data. As Michael Friske pointed out in his February 2013 SHARE presentation titled “Buffering, Record Level Sharing and Performance Basics for VSAM Data Sets” (available here), “What makes one data set perform really well may cause another data set to perform poorly.” Friske listed the following considerations for understanding your data before you start:…

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This series is intended to help new CICS support people understand the basics of the product and how it has evolved. It covers basic concepts, underlying components that may not be intuitively obvious and daily support issues. For more information about this article series and a list of what readers should already know, see the first article at
http://entsys.me/q1hhi. To read the previous article in this series, go to http://entsys.me/1egx0. …

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The article “CICS V5.1: Delivering a Portfolio to Power the Platform” (available at http://entsys.me/dnpei) outlined how the recent release of CICS Transaction Server (TS) for z/OS is addressing the concept of a platform in a private cloud and simplifying the mystique of deploying, administering and controlling the CICS environment…

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This series of articles covers many facets of the CICS Open Transaction Environment (OTE), including its functions and benefits. We will also delve into some of the drawbacks that OTE adopters have found and how to avoid them. This article provides a high-level overview of the history and basic terminology of OTE; future articles will be more in-depth and technical in nature…

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In October 2012, IBM announced for the first time a CICS family of products—not just the run-time CICS or CICS Transaction Server (CICS TS) but seven associated products released simultaneously as Version 5.1. This major release in December 2012 occurred just 18 months after CICS TS V4.2 became available. That 18-month delivery cycle (25 percent faster than normal) was itself a major change…

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The IBM CICS Transaction Server Feature Pack for Mobile Extensions
V1.0 Introduces Native Support for JSON Data in CICS
 

Top 3 Mobile Concerns

According to a 2011 “IBM Tech Trends Report,” these are the top concerns:

1. Security/Privacy (53 percent)
2. Cost of developing for multiplatform (52 percent) 
3. Integrating cloud service with mobile (51 percent)…

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The IBM CICS Transaction Server Feature Pack for Mobile Extensions
V1.0 Introduces Native Support for JSON Data in CICS

 

The IT industry is undergoing a mobile transformation as the explosion of mobile devices in the marketplace has driven service providers, such as banks and utility companies, to offer mobile applications. The proliferation of mobile devices brings a new raft of challenges to application developers as they do battle with competing platforms, frameworks and technologies—and this is just on the mobile device. This doesn’t even begin to address the additional complexity of connecting to existing enterprise services, many built long before mobile devices appeared on the scene…

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Batch processing is traditionally used for reconciling and reporting transactions at the end of the day, week, month or quarter. It’s used in many business activities from payment processing to bill-ing, stock control, credit scoring, interest calculations and more. Batch applications have proved over the years to be an efficient, reliable method for bulk processing of updates to data…

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