ACF/SNA definition for IMS
When the IMS system is defined to SNA, the following operands should be included on the SNA APPL statement.
About this task
- AUTH=(ACQ,VPACE)
- ACQ is required to allow IMS to acquire LU type 6 sessions. VPACE is required to allow pacing of the intersystem flows.
- VPACING=number
- This operand specifies the maximum number of normal-flow requests that another logical unit can send on an intersystem session before waiting to receive a pacing response. An initial value of 5 is suggested.
- EAS=number
- The number of network addressable units must include the total number of parallel sessions for this IMS system.
- PARSESS=YES
- This operand specifies LU type 6 parallel session support.
For more information, see z/OS Communications Server: SNA Programming.