XCF Concepts and Coding: A Multi-system Application Example

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The increasing importance of Sysplex enabled applications requires an understanding of XCF (Sysplex Services for Communication). This SHARE presentation illustrates the coding and usage of XCF services within a Sysplex enabled, multi-system application. The following topics are discussed and illustrated:

  • XCF Concepts: Sysplex, Group, Member
  • XCF Services: Group, Signaling, and Status Monitoring
  • XCF Member attributes and states
  • Overview of XCF macros
  • A sample application named RXC illustrates all the XCF concepts from the presentation implemented in Assembler code

The RXC system is primarily intended for z/OS systems programmers and developers of authorized software. It assumes some knowledge of assembly language programming.

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