This section covers migration for users of the Link3270 bridge with the
ACCUM option.
There are two versions of the Link3270 bridge in CICS® TS for z/OS®, Version 3.1.
- Link3270 bridge with basic support, provides the same support as that
provided by the CICS Transaction Server for z/OS, Version 2 Release 2 Link3270 bridge.
- Link3270 bridge with extended support provides support for the ACCUM
option on the SEND TEXT, SEND MAP, and SEND CONTROL commands. To provide this
support, two new vectors are introduced: SEND PAGE and PURGE MESSAGE. New
copybooks are also provided.
- If you only need basic support, no action is necessary. Use the basic
copybooks as before. There is no need to recompile any existing Link3270 bridge
programs.
- If you wish to take advantage of the extended support provided by CICS Transaction Server for z/OS, Version 2 Release 3,
recompile your Link3270 bridge programs (or compile new programs) using
the extended copybooks and the extended support will be provided.
More information about the use of the Link3270 bridge can be found in the CICS External Interfaces Guide
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