Hi,
Transport Classes are all about segregation of message traffic by
size. Such segregation is beneficial regardless of whether messages are
being sent between XCF members on the same system (which would always apply
in the case of a monoplex) or between members that reside on different
systems.
If messages are being sent between members on different systems, and
you don't have a signalling path for the selected transport class, then you
effectively lose your segregation by size (so we have a health check for
that). The impact of the loss of segregation usually surfaces on the
target system. In general it makes the signalling service less resilient
in terms of handling bursts of signals or sluggish target member message
exits.
Mark A. Brooks
z/OS Sysplex design and development
845-435-5149 T/L 8-295-5149
Poughkeepsie, NY
mabr...@us.ibm.com
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