Increased support for high-availability scenarios

IP-connectivity (IPIC) support is extended to support more high-availability scenarios. This support helps to simplify the configuration and minimize the impact of issues that can arise when CICS® communicates across a wide area IP network.

Groups of regions from CICS® Transaction Server for z/OS®, Version 5 Release 2 can be clustered together and accessed through a shared TCP/IP end point from other client regions of CICS Transaction Server for z/OS, Version 5 Release 2. This support enables individual CICS regions to be removed as a single point of failure, while permitting planned or unplanned outages of individual components, and provides a migration path for VTAM® generic resource support when moving from SNA to an IP network.

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For more information about options for IPIC support, see Intercommunication using IP interconnectivity.