September 2007
Intermediate to advanced
280 pages
6h 36m
English
book
Developing Web Services Using CICS, WMQ, and WMB
by Chris Rayns, David Carey, Andrew Gardner, Jenny Nott, Adrian Simcock
Content preview from Developing Web Services Using CICS, WMQ, and WMB
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Chapter 2. Service-oriented architecture and CICS 35
In previous releases, because the size of COMMAREAs is limited to 32K and
channels were not available, some applications used temporary storage
queues (TSQs) to pass more than 32K of data from one program to another.
Typically, this involved multiple writes to and reads from a TSQ. If you migrate
one of these applications to use channels, be aware of the following:
– If the TSQ used by your existing application is in main storage, the storage
requirements of the new, migrated application are likely to be similar to
those of the existing application.
– If the TSQ used by your existing application is in auxiliary storage, the
storage requirements of the migrated application are likely to ...
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