Ibm Cics And The Coupling Facility Beyond The Basics

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IBM CICS and the Coupling Facility: Beyond the Basics

Author : Arndt Eade,Randy Frerking,Rich Jackson,Kellie Mathis,IBM Redbooks
Publisher : IBM Redbooks
Page : 78 pages
File Size : 50,6 Mb
Release : 2018-02-21
Category : Computers
ISBN : 9780738443041

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IBM CICS and the Coupling Facility: Beyond the Basics by Arndt Eade,Randy Frerking,Rich Jackson,Kellie Mathis,IBM Redbooks Pdf

It's easy to look at the title of a book and think "that's old news" or "I already know all there is to know on that subject." But before you dismiss this publication, consider just how far the IBM® Parallel Sysplex® architecture has come. From the early days the mainframe has embraced a shared everything approach. The original designers coded IBM z/OS® (called IBM MVSTM or IBM OS/390® back then) with the functionality necessary for the operating system to create the repositories, manage the data flow, and ensure the integrity of the systems involved. From there, the middleware systems provided the exploitation and advanced functions to mature the technology. The component in the middle of all this great technology can easily be taken for granted. That is the IBM Coupling Facility. This IBM Redbooks® publication discusses both traditional uses for the IBM Coupling Facility technology and new ways to use it with products such as IBM CICS®. You can learn how to perform new functions and have these functions benefit from the scalability and availability achieved only in a mainframe ecosystem. Open standards are a large part of considerations today, as most companies run IT shops with a mix of technology components. As the world embraces these technologies, it is necessary to understand how to mix the world of mainframe architectures and products with other open architectures. This mix allows the best tool to be used to solve processing needs, at the right cost and service levels. Often the functions needed for modern processing can be found in house, in places where staff are skilled and that already deliver the robust production environments you count on daily. This book discusses these modern functions and how to achieve them with CICS use of the IBM Coupling Facility. You will learn how one IBM client, Walmart, took these concepts far beyond the original design as they share their experiences and even share code examples to help you get started. The last chapter of this book shows what can be achieved when a combination of old and new functions are use together. Even if you have familiarity with what could be done with the IBM Coupling Facility in the past, there is much to learn and deploy in a modern world. Those who are familiar with the IBM Coupling Facility might find the content of this book helpful. Additionally, readers who are considering how to use the IBM Coupling Facility technology within their environment might also find useful information in the chapters that follow

IBM CICS and the Coupling Facility

Author : Arndt Eade,Randy Frerking,Rich Jackson,Kellie Mathis
Publisher : Unknown
Page : 76 pages
File Size : 43,6 Mb
Release : 2018
Category : Electronic
ISBN : OCLC:1112573132

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IBM CICS and the Coupling Facility by Arndt Eade,Randy Frerking,Rich Jackson,Kellie Mathis Pdf

Abstract It's easy to look at the title of a book and think "that's old news" or "I already know all there is to know on that subject." But before you dismiss this publication, consider just how far the IBM® Parallel Sysplex® architecture has come. From the early days the mainframe has embraced a shared everything approach. The original designers coded IBM z/OS® (called IBM MVSTM or IBM OS/390® back then) with the functionality necessary for the operating system to create the repositories, manage the data flow, and ensure the integrity of the systems involved. From there, the middleware systems provided the exploitation and advanced functions to mature the technology. The component in the middle of all this great technology can easily be taken for granted. That is the IBM Coupling Facility. This IBM Redbooks® publication discusses both traditional uses for the IBM Coupling Facility technology and new ways to use it with products such as IBM CICS®. You can learn how to perform new functions and have these functions benefit from the scalability and availability achieved only in a mainframe ecosystem. Open standards are a large part of considerations today, as most companies run IT shops with a mix of technology components. As the world embraces these technologies, it is necessary to understand how to mix the world of mainframe architectures and products with other open architectures. This mix allows the best tool to be used to solve processing needs, at the right cost and service levels. Often the functions needed for modern processing can be found in house, in places where staff are skilled and that already deliver the robust production environments you count on daily. This book discusses these modern functions and how to achieve them with CICS use of the IBM Coupling Facility. You will learn how one IBM client, Walmart, took these concepts far beyond the original design as they share their experiences and even share code examples to help you get started. The last chapter of this book shows what can be achieved when a combination of old and new functions are use together. Even if you have familiarity with what could be done with the IBM Coupling Facility in the past, there is much to learn and deploy in a modern world. Those who are familiar with the IBM Coupling Facility might find the content of this book helpful. Additionally, readers who are considering how to use the IBM Coupling Facility technology within their environment might also find ...

Walmart and the CICS Asynchronous API: An Adoption Experience

Author : Pradeep Gohil,Frank De Gilio,Nick Garrod,Randy Frerking,Rich Jackson,Kellie Mathis,IBM Redbooks
Publisher : IBM Redbooks
Page : 82 pages
File Size : 44,8 Mb
Release : 2019-03-03
Category : Computers
ISBN : 9780738457475

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Walmart and the CICS Asynchronous API: An Adoption Experience by Pradeep Gohil,Frank De Gilio,Nick Garrod,Randy Frerking,Rich Jackson,Kellie Mathis,IBM Redbooks Pdf

This IBM® Redbooks® publication discusses practical uses of the IBM CICS asynchronous API capability. It describes the methodology, design and thought process used by a large client, Walmart, and the considerations of the choices made. The Redbooks publication provides real life examples and application patterns that benefit from the performance and scalability offered by the new API. The book discusses the homegrown methodology used by Walmart before the API was available and compares it with the design using the new API. A discussion of the process used to migrate older applications to begin using the new API is included so the reader will understand the ease of implementing the new API. A description of real world usage patterns describes the current production application Walmart has deployed as well as other patterns to give the reader a sense of what's possible applying creative thinking with technology improvements. Finally, a section is included on the areas to be considered as you begin to plan and implement asynchronous API capabilities. This book should be read by: Enterprise Architects searching for faster ways to service strategic applications across the enterprise. Solution Architects who want to better understand implementation possibilities for improved response times and better performance for CICS applications. CICS programmers looking to modernize and provide improved response times. This book is meant to be used in tandem with IBM Redbooks publication IBM CICS Asynchronous API: Concurrent Processing Made Simple, SG24-8411, which will provide the background and implementation instructions and commands for the API itself.

IBM System z Personal Development Tool Vol. 4 Coupling and Parallel Sysplex

Author : Bill Ogden,IBM Redbooks
Publisher : IBM Redbooks
Page : 80 pages
File Size : 50,9 Mb
Release : 2013-05-31
Category : Computers
ISBN : 9780738438382

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IBM System z Personal Development Tool Vol. 4 Coupling and Parallel Sysplex by Bill Ogden,IBM Redbooks Pdf

This IBM® Redbooks® publication describes the usage of Coupling Facility (CF) functions with the IBM System z® Personal Development Tool (zPDT). It describes the System z Coupling Application Developer Controlled Distribution, which is a Parallel Sysplex® "starter system" based on the AD-CD package and lists the exact steps taken to turn the normal AD-CD z/OS® system into a Parallel Sysplex base. This document assumes that the reader is familiar with basic zPDT usage and terminology, with z/OS, with the z/OS AD-CD system, with basic z/VM® usage, and with general Parallel Sysplex concepts. It is not intended as an introduction to any of these topics. This version of the document is based on z/VM 6.2 (as available to authorized users in an AD-CD package) and z/OS 1.13 (as available to authorized users in the January 2013 update of the AD-CD package).

Architect's Guide to IBM CICS on System z

Author : Phil Wakelin,Ahmed Farrag,Steve Hobson,Manuel Jaen,Tommy Joergensen,Thiago Rotta,IBM Redbooks
Publisher : IBM Redbooks
Page : 266 pages
File Size : 54,5 Mb
Release : 2012-11-20
Category : Computers
ISBN : 9780738437446

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Architect's Guide to IBM CICS on System z by Phil Wakelin,Ahmed Farrag,Steve Hobson,Manuel Jaen,Tommy Joergensen,Thiago Rotta,IBM Redbooks Pdf

IBM® CICS® Transaction Server (CICS TS) has been available in various guises for over 40 years, and continues to be one of the most widely used pieces of commercial software. This IBM Redbooks® publication helps application architects discover the value of CICS Transaction Server to their business. This book can help architects understand the value and capabilities of CICS Transaction Server and the CICS tools portfolio. The book also provides detailed guidance on the leading practices for designing and integrating CICS applications within an enterprise, and the patterns and techniques you can use to create CICS systems that provide the qualities of service that your business requires.

System z Parallel Sysplex Best Practices

Author : Frank Kyne,Bert de Beer,Luis Martinez,Harriet Morril,Miha Petric,David Viguers,Suzi Wendler,IBM Redbooks
Publisher : IBM Redbooks
Page : 202 pages
File Size : 46,9 Mb
Release : 2011-01-11
Category : Computers
ISBN : 9780738434674

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System z Parallel Sysplex Best Practices by Frank Kyne,Bert de Beer,Luis Martinez,Harriet Morril,Miha Petric,David Viguers,Suzi Wendler,IBM Redbooks Pdf

This IBM® Redbooks® publication pulls together diverse information regarding the best way to design, implement, and manage a Parallel Sysplex® to deliver the levels of performance and availability required by your organization. This book should be of interest to system programmers, availability managers, and database administrators who are interested in verifying that your systems conform to IBM best practices for a Parallel Sysplex environment. In addition to z/OS® and the sysplex hardware configuration, this book also covers the major IBM subsystems: CICS® DB2® IMSTM MQ WebSphere® Application Server To get the best value from this book, readers should have hands-on experience with Parallel Sysplex and have working knowledge of how your systems are set up and why they were set up in that manner.

IBM CICS Performance Series: CICS TS for z/OS V5 Performance Report

Author : Ian Burnett,Graham Rawson,Mike Brooks,Manuela Mandelli,IBM Redbooks
Publisher : IBM Redbooks
Page : 262 pages
File Size : 48,8 Mb
Release : 2019-08-08
Category : Computers
ISBN : 9780738457932

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IBM CICS Performance Series: CICS TS for z/OS V5 Performance Report by Ian Burnett,Graham Rawson,Mike Brooks,Manuela Mandelli,IBM Redbooks Pdf

This IBM Redbooks® publication gives a broad understanding of several important concepts that are used when describing IBM CICS Transaction Server (TS) for IBM z/OS (CICS TS) performance. This publication also describes many of the significant performance improvements that can be realized by upgrading your environment to the most recent release of CICS TS. This book targets the following audience: Systems Architects wanting to understand the performance characteristics and capabilities of a specific CICS TS release. Capacity Planners and Performance Analysts wanting to understand how an upgrade to the latest release of CICS TS affects their environment. Application Developers wanting to design and code highly optimized applications for deployment into a CICS TS environment. This book covers the following topics: A description of the factors that are involved in the interaction between IBM z® Systems hardware and a z/OS software environment. A definition of key terminology that is used when describing the results of CICS TS performance benchmarks. A presentation of how to collect the required data (and the methodology used) when applying Large Scale Performance Reference (LSPR) capacity information to a CICS workload in your environment. An outline of the techniques that are applied by the CICS TS performance team to achieve consistent and accurate performance benchmark results. High-level descriptions of several key workloads that are used to determine the performance characteristics of a CICS TS release. An introduction to the open transaction environment and task control block (TCB) management logic in CICS TS, including a reference that describes how several configuration attributes combine to affect the behavior of the CICS TS dispatcher. Detailed information that relates to changes in performance characteristics between successive CICS TS releases, covering comparisons that relate to CICS TS V4.2, V5.1, V5.2, V5.3, V5.4, and V5.5. The results of several small performance studies to determine the cost of using a specific CICS functional area.

CICS Transaction Server from Start to Finish

Author : Chris Rayns,Sarah Bertram,George Bogner,Chris Carlin,Andre Clark,Amy Ferrell,Gordon Keehn,Peter Klein,Ronald Lee,Erhard Woerner,IBM Redbooks
Publisher : IBM Redbooks
Page : 410 pages
File Size : 40,8 Mb
Release : 2011-12-07
Category : Computers
ISBN : 9780738436173

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CICS Transaction Server from Start to Finish by Chris Rayns,Sarah Bertram,George Bogner,Chris Carlin,Andre Clark,Amy Ferrell,Gordon Keehn,Peter Klein,Ronald Lee,Erhard Woerner,IBM Redbooks Pdf

In this IBM® Redbooks® publication, we discuss CICS®, which stands for Customer Information Control System. It is a general-purpose transaction processing subsystem for the z/OS® operating system. CICS provides services for running an application online where, users submit requests to run applications simultaneously. CICS manages sharing resources, the integrity of data, and prioritizes execution with fast response. CICS authorizes users, allocates resources (real storage and cycles), and passes on database requests by the application to the appropriate database manager, such as DB2®. We review the history of CICS and why it was created. We review the CICS architecture and discuss how to create an application in CICS. CICS provides a secure, transactional environment for applications that are written in several languages. We discuss the CICS-supported languages and each language's advantages in this Redbooks publication. We analyze situations from a system programmer's viewpoint, including how the systems programmer can use CICS facilities and services to customize the system, design CICS for recovery, and manage performance. CICS Data access and where the data is stored, including Temporary storage queues, VSAM RLS, DB2, IMSTM, and many others are also discussed.

Designing and Programming CICS Applications

Author : John Horswill
Publisher : "O'Reilly Media, Inc."
Page : 420 pages
File Size : 47,8 Mb
Release : 2000
Category : Computers
ISBN : 1565926765

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Designing and Programming CICS Applications by John Horswill Pdf

Presented as a practical approach suitable for new users of IBM's mainframe system, "Designing & Programming CICS Applications" is designed to give insights into the range of features provided by CICS. Written for experienced users, the book explains how to integrate existing mainframe systems with newer technologies.

IBM CICS and Liberty: What You Need to Know

Author : Hernan Cunico,Andreas Hümmer,Jonathan Lawrence,Shayla Robinson,Andre Schreiber,Inderpal Singh,Prabhat Srivastava,Phil Wakelin,Dan Zachary,IBM Redbooks
Publisher : IBM Redbooks
Page : 252 pages
File Size : 44,9 Mb
Release : 2017-03-15
Category : Computers
ISBN : 9780738441368

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IBM CICS and Liberty: What You Need to Know by Hernan Cunico,Andreas Hümmer,Jonathan Lawrence,Shayla Robinson,Andre Schreiber,Inderpal Singh,Prabhat Srivastava,Phil Wakelin,Dan Zachary,IBM Redbooks Pdf

This IBM® Redbooks® publication, intended for architects, application developers, and system programmers, describes how to design and implement Java web-based applications in an IBM CICS® Liberty JVM server. This book is based on IBM CICS Transaction Server V5.3 (CICS TS) using the embedded IBM WebSphere® Application Server Liberty V8.5.5 technology. Liberty is an asset to your organization, whether you intend to extend existing enterprise services hosted in CICS, or develop new web-based applications supporting new lines of business. Fundamentally, Liberty is a composable, dynamic profile of IBM WebSphere Application Server that enables you to provision Java EE technology on a feature-by-feature basis. Liberty can be provisioned with as little as the HTTP transport and a servlet web container, or with the entire Java EE 6 Web Profile feature set depending on your application requirements. This publication includes a Technology Essentials section for architects and application developers to help understand the underlying technology, an Up-and-Running section for system programmers implementing the Liberty JVM server for the first time, and a set of real-life application development scenarios.

Application Development for IBM CICS Web Services

Author : O'Grady James,Ian Burnett,Jim Harrison,San Yong Liu,Xue Yong Zhang,IBM Redbooks
Publisher : IBM Redbooks
Page : 552 pages
File Size : 54,7 Mb
Release : 2015-01-27
Category : Computers
ISBN : 9780738440316

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Application Development for IBM CICS Web Services by O'Grady James,Ian Burnett,Jim Harrison,San Yong Liu,Xue Yong Zhang,IBM Redbooks Pdf

This IBM® Redbooks® publication focuses on developing Web service applications in IBM CICS®. It takes the broad view of developing and modernizing CICS applications for XML, Web services, SOAP, and SOA support, and lays out a reference architecture for developing these kinds of applications. We start by discussing Web services in general, then review how CICS implements Web services. We offer an overview of different development approaches: bottom-up, top-down, and meet-in-the-middle. We then look at how you would go about exposing a CICS application as a Web service provider, again looking at the different approaches. The book then steps through the process of creating a CICS Web service requester. We follow this by looking at CICS application aggregation (including 3270 applications) with IBM Rational® Application Developer for IBM System z® and how to implement CICS Web Services using CICS Cloud technology. The first part is concluded with hints and tips to help you when implementing this technology. Part two of this publication provides performance figures for a basic Web service. We investigate some common variables and examine their effects on the performance of CICS as both a requester and provider of Web services.

The Complete Guide to CICS Transaction Gateway Volume 1 Configuration and Administration

Author : Rufus Credle,Sue Bayliss,Leigh Compton,Robert Jones,Manuela Mandelli,Richard Mercadante,IBM Redbooks
Publisher : IBM Redbooks
Page : 396 pages
File Size : 48,7 Mb
Release : 2014-08-08
Category : Computers
ISBN : 9780738439730

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The Complete Guide to CICS Transaction Gateway Volume 1 Configuration and Administration by Rufus Credle,Sue Bayliss,Leigh Compton,Robert Jones,Manuela Mandelli,Richard Mercadante,IBM Redbooks Pdf

In this IBM® Redbooks® publication, you will gain an appreciation of the IBM CICS® Transaction Gateway (CICS TG) product suite, based on key criteria, such as capabilities, scalability, platform, CICS server support, application language support, and licensing model. Matching the requirements to available infrastructure and hardware choices requires an appreciation of the choices available. In this book, you will gain an understanding of those choices, and will be capable of choosing the appropriate CICS connection protocol, APIs for the applications, and security options. You will understand the services available to the application developer when using a chosen protocol. You will then learn about how to implement CICS TG solutions, taking advantage of the latest capabilities, such as IPIC connectivity, high availability, and Dynamic Server Selection. Specific scenarios illustrate the usage of CICS TG for IBM z/OS®, and CICS TG for Multiplatforms, with CICS Transaction Server for z/OS and IBM WebSphere® Application Server, including connections in CICS, configuring simple end-to-end connectivity (all platforms) with verification for remote and local mode applications, and adding security, XA support, and high availability.

System Programmer's Guide to Z/OS System Logger

Author : Frank Kyne
Publisher : IBM.Com/Redbooks
Page : 0 pages
File Size : 53,8 Mb
Release : 2007
Category : Data loggers
ISBN : 0738489433

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System Programmer's Guide to Z/OS System Logger by Frank Kyne Pdf

The z/OS System Logger is a function provided by the operating system to exploiters running on z/OS. The number of exploiters of this component is increasing, as is its importance in relation to system performance and availability. This IBM Redbooks document provides system programmers with a solid understanding of the System Logger component and guidance about how it should be set up for optimum performance with each of the exploiters. System Logger is an MVS component that provides a logging facility for applications running in a single-system or multi-system sysplex. The advantage of using System Logger is that the responsibility for tasks such as saving the log data (with the requested persistence), retrieving the data (potentially from any system in the sysplex), archiving the data, and expiring the data is removed from the creator of the log records. In addition, Logger provides the ability to have a single, merged, log, containing log data from multiple instances of an application within the sysplex.

Using IBM CICS Transaction Server Channels and Containers

Author : Steve Burghard,Peter Klein,IBM Redbooks
Publisher : IBM Redbooks
Page : 272 pages
File Size : 55,8 Mb
Release : 2015-03-21
Category : Computers
ISBN : 9780738440507

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Using IBM CICS Transaction Server Channels and Containers by Steve Burghard,Peter Klein,IBM Redbooks Pdf

This IBM® Redbooks® publication describes the new channels and containers support in IBM Customer Information Control System (CICS®) Transaction Server V5.2. The book begins with an overview of the techniques used to pass data between applications running in CICS. This book describes the constraints that these data techniques might be subject to, and how a channels and containers solution can provide solid advantages alongside these techniques. These capabilities enable CICS to fully comply with emerging technology requirements in terms of sizing and flexibility. The book then goes on to describe application design, and looks at implementing channels and containers from an application programmer point of view. It provides examples to show how to evolve channels and containers from communication areas (COMMAREAs). Next, the book explains the channels and containers application programming interface (API). It also describes how this API can be used in both traditional CICS applications and a Java CICS (JCICS) applications. The business transaction services (BTS) API is considered as a similar yet recoverable alternative to channels and containers. Some authorized program analysis reports (APARs) are introduced, which enable more flexible web services features by using channels and containers. The book also presents information from a systems management point of view, describing the systems management and configuration tasks and techniques that you must consider when implementing a channels and containers solution. The book chooses a sample application in the CICS catalog manager example, and describes how you can port an existing CICS application to use channels and containers rather than using COMMAREAs.

IBM CICS Explorer

Author : Chris Rayns,George Bogner,Nicholas Bingell,Gordon Keehn,Lisa Fellows,Tommy Joergensen,Erhard Woerner,IBM Redbooks
Publisher : IBM Redbooks
Page : 418 pages
File Size : 50,6 Mb
Release : 2010-12-17
Category : Computers
ISBN : 9780738434971

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IBM CICS Explorer by Chris Rayns,George Bogner,Nicholas Bingell,Gordon Keehn,Lisa Fellows,Tommy Joergensen,Erhard Woerner,IBM Redbooks Pdf

IBM® Customer Information Control System (CICS®) Explorer is the new face of CICS Integration point for CICS tooling with rich CICS views, data, and methods. Are you looking for new ways to accelerate the transfer of knowledge, skills, and best practices to the next generation of technical staff and experts? Do you need to maintain productivity and protect service-levels? CICS ExplorerTM and System z® lead the way to platform simplification. IBM CICS Explorer has a common, intuitive, Eclipse-based environment for architects, developers, administrators, system programmers, and operators. The task-oriented views provide integrated access to a broad range of data and control capabilities, and it also has powerful, context-sensitive resource editors. Integration point for CICS TS, CICS Tools, CICS TG, PD Tools, and Rational® Tools are extensible by independent software vendors (ISV), system integrators (SI), and customers who use our Software Development Kit. In this IBM Redbooks® publication, we focus on the new CICS Explorer. The first part of the book is an overview of the CICS Explorer along with all of the CICS Tools' plug-ins. In the second part of the book, we focus on several scenarios in which you can use the CICS Explorer with the CICS Tools plug-ins to resolve various problems.