z/OS JES2 Initialization and Tuning Guide
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VTAM APPL statement

z/OS JES2 Initialization and Tuning Guide
SA32-0991-00

The NJE application (the JES2 subsystem) requires a few values from the VTAM® APPL statement:

Table 1. VTAM APPL statement parameters necessary for a JES2 connection
Parameter Purpose
AUTH=ACQ Allows the NJE member to acquire the LU session.
DLOGMOD= Points to the logmode table entry.
VPACING= Prevents one node from overrunning another with SNA buffers by controlling the rate of transmission at both the primary and the secondary LU.
Note: For the primary LU (the node that issued the $SN command), you must also use a non-zero SSNDPAC value from the secondary LU's logmode table entry. The SSNDPAC value provides the primary LU's inbound pacing rate.

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