Communications Server for z/OS V1R9 TCP/IP Implementation Volume 3: High Availability, Scalability, and Performance

An IBM Redbooks publication

Note: This is publication is now archived. For reference only.

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Published on April 24, 2008

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ISBN-10: 0738485179
ISBN-13: 9780738485171
IBM Form #: SG24-7534-00


Authors: Bill White, Gwen Dente, Octavio L Ferreira, Shizuka Katoh, Shuo Ni, Yohko Ojima, Joel Porterie and Larry Templeton

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    Abstract

    This Communications Server (CS) for z/OS TCP/IP Implementation series provides easy-to-understand, step-by-step guidance on enabling the most commonly used and important functions of CS for z/OS TCP/IP.

    In this IBM Redbooks publication we begin with a discussion of Virtual IP Addressing (VIPA), a TCP/IP high-availability approach introduced by the z/OS Communications Server, both with and without using a dynamic routing protocol. Then we discuss a number of different workload balancing approaches that can be used with the z/OS Communications Server. Finally, we explain the optimized Sysplex Distributor intra-sysplex load balancing. This function is an improved multitier application support using optimized local connections together with weight values from extended WLM interfaces.

    For more specific information on CS for z/OS base functions, standard applications, and security, refer to the other volumes in the series. These are:

    - Communications Server for z/OS V1R9 TCP/IP Implementation Volume 1: Base Functions, Connectivity, and Routing, SG24-7532

    - Communications Server for z/OS V1R9 TCP/IP Implementation Volume 2: Standard Applications6 Font, SG24-7533

    - Communications Server for z/OS V1R9 TCP/IP Implementation Volume 4: Security and Policy-Based Networking, SG24-7535

    Table of Contents

    Chapter 1. Introduction to CS for z/OS high availability technologies

    Chapter 2. Virtual IP Addressing

    Chapter 3. VIPA without dynamic routing

    Chapter 4. VIPA with dynamic routing

    Chapter 5. Internal application workload balancing

    Chapter 6. External application workload balancing

    Chapter 7. Intra-sysplex workload balancing

    Chapter 8. Performance and tuning

    Appendix A. Our implementation environment

     

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