Chapter 7. Common Service Layer (CSL) components 157
commands from OM. Command authorization can (and probably should be) performed by
OM prior to sending the command to IMS.
7.5.9 AO clients
An AO client is one which enters the command to OM. Human operators are not in direct
contact with OM. For example, a TSO SPOC is delivered with IMS and has an ISPF
application which registers with SCI and uses SCI services to communicate with OM. The
human operator may be working at a workstation and not in direct session with an OS/390 AO
client. In this case, the AO client would merely receive the command message from the
workstation and pass it along ...
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