Recommendation for MODEENT pacing options

The MODEENT macro contains several pacing options.

PSNDPAC

This does not apply to Db2; therefore, you can ignore this option.

SSNDPAC

This option is really a flag that you set to either 0 (off) or nonzero (on). When 0, outbound pacing for sessions is disabled, which can lead to severe problems with IOBUF storage.

Recommendation: Specify a nonzero value for this option.

SRCVPAC

If 0, which is the recommended value, the VPACING option of the VTAM® APPL statement controls both the send and receive pacing for all sessions in all modes. A value of 0 makes it easier for you to predict pacing results and makes it easier to maintain your pacing definitions.

If nonzero, VPACING controls pacing in one direction, and SRCVPAC controls it in another. LU 6.2 protocols make it difficult to predict which option is in control at any given time.