z/OS Communications Server: IP CICS Sockets Guide
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CICS DNS cache function components

z/OS Communications Server: IP CICS Sockets Guide
SC27-3649-00

The function consists of three parts.
  • A VSAM file which is used for the cache.
    Note: The CICS® DATATABLE option can be used with the cache.
  • A macro, EZACICR, which is used to initialize the cache file.
  • A CICS application program, EZACIC25, which is invoked by the CICS application in place of the GETHOSTBYNAME socket call.
Parent topic: Configuring the CICS Domain Name Server cache

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