Configuring APPC Communication
Defining Modes and Classes of Service
The initial setting for the number of request units (RUs) that the local LU can receive before it must send a pacing response to the remote LU. This can be safely set to 4.
Setting it higher can improve performance in some circumstances, but doing so also increases memory usage.
Maximum window sizeThe maximum number of request units (RUs) that the local LU can receive before it must send a pacing response to the remote LU.
This value is optional. If it is not supplied, the maximum receive pacing window is unlimited. If a value is supplied, it is used to limit the size of the receive pacing window for adaptive pacing adaptive pacing . If adaptive pacing is not used, this value is ignored.
The pacing window can be from 0 through 32767 bytes. A value of 0 specifies an unlimited window.
If the adjacent node supports only fixed pacing, these values determine the
The number of seconds (0 - 65535) that an LU 6.2 session using this mode must be inactive before it can time out. Changing this value affects only sessions that are activated using this definition (not sessions that are already active).
If you use a value of 0, sessions are timed out as soon as they become free.
Maximum RU sizeA range that determines how much data is buffered before being sent to the partner LU.
The upper limit can be from 256 through 62440 bytes. You can safely set the upper limit to 1024 bytes. Setting it higher can improve performance in some circumstances, but doing so also increases memory usage.
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