July 2003
Intermediate to advanced
206 pages
7h 41m
English
book
IMS in the Parallel Sysplex Volume II: Planning the IMSplex
by Jouko Jantti, Bill Stillwell, Gary Wicks
Content preview from IMS in the Parallel Sysplex Volume II: Planning the IMSplex
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Chapter 6. Planning for IMSplex connectivity 139
SUBPOOL NAME=(SP3)
NAME LT3
SUBPOOL NAME=(SP4)
NAME LT4
ISC and parallel sessions
ISC sessions can be defined with single session or parallel session support. When parallel
session support is utilized, each set of parallel sessions from another subsystem (for
example, CICS) is connected to the same IMS system. However, there may be other sets of
parallel sessions between that remote subsystem and another IMS in the same IMSplex.
ISC and VTAM Generic Resources
When VTAM Generic Resource support is enabled (see 6.2.8, “VTAM Generic Resources
(VGR)” on page 141), the first logon request to the generic resource name may be routed to
any of the available IMSs in the same generic resource group depending ...
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