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- IBM_XCF abstract "In IBM mainframes, a Cross-system Coupling Facility, or XCF, is a component of z/OS that manages communications between applications in a sysplex. Applications may be on the same system or different systems.Systems communicate using messages transported by one of two mechanisms:Dedicated channel-to-channel links (CTC links).Structures in a Coupling Facility, only available in Parallel Sysplex, not in standard sysplex.In a parallel sysplex decisions about which of these two transport mechanisms to use for routing a specific message are made dynamically.Within a single z/OS system messages are transported using cross-memory services, rather than being routed through either of the physical transport mechanisms.Applications join specific groups as individual members. On joining a group a member can send or receive messages. Individual messages are assigned to specific transport classes, based on the message's size. Each transport class owns input and output buffers. Routing decisions are made at the transport class level.".
- IBM_XCF wikiPageID "12219440".
- IBM_XCF wikiPageRevisionID "583262620".
- IBM_XCF hasPhotoCollection IBM_XCF.
- IBM_XCF subject Category:IBM_mainframe_operating_systems.
- IBM_XCF comment "In IBM mainframes, a Cross-system Coupling Facility, or XCF, is a component of z/OS that manages communications between applications in a sysplex.".
- IBM_XCF label "IBM XCF".
- IBM_XCF sameAs m.02vw9bp.
- IBM_XCF sameAs Q5969157.
- IBM_XCF sameAs Q5969157.
- IBM_XCF wasDerivedFrom IBM_XCF?oldid=583262620.
- IBM_XCF isPrimaryTopicOf IBM_XCF.