ISC/IRC system and mode entry statistics

The ISC/IRC system and mode entry statistics area of the DFHSTUP listing is for a CICS® system using intersystem communication. This provides summary statistics for the CICS intercommunication facility.

Note: ISC/IRC system and mode entry statistics contain information about IP interconnectivity and multiregion operation (MRO) connections. Information about IP interconnectivity (IPIC) connections is in IPCONN statistics.

The two types of intersystem communication, ISC over SNA and IPIC, are described in Communication between systems.

Summary connection type for statistics fields

The connection type that is relevant for each statistics field is shown in Table 1 and Table 2 for ISC/IRC system and mode entries for remote connections.

See also Table 3 for what entries are applicable for the local system.

For remote connections
Table 1. ISC/IRC system entries for remote connections
System entry Field IRC LU6.1 APPC
Connection name A14CNTN X X X
Aids in chain A14EALL X X X
Generic aids in chain A14ESALL X X X
Peak aids in chain A14EAHWM X X X
ATIs satisfied by contention losers A14ES1   X X
ATIs satisfied by contention winners A14ES2 X X X
Peak contention losers A14E1HWM X X X
Peak contention winners A14E2HWM X X X
Peak outstanding allocates A14ESTAM X X X
Total number of allocates A14ESTAS X X X
Queued allocates A14ESTAQ X X X
Failed link allocates A14ESTAF X X X
Failed allocates due to sessions in use A14ESTAO X X X
Total bids sent A14ESBID   X X
Current bids in progress A14EBID   X X
Peak bids in progress A14EBHWM   X X
File control function shipping requests A14ESTFC X X X
Interval control function shipping requests A14ESTIC X X X
TD function shipping requests A14ESTTD X X X
TS function shipping requests A14ESTTS X X X
DLI function shipping requests A14ESTDL X X X
Terminal sharing requests A14ESTTC X   X
Table 2. ISC/IRC mode entries for remote connections. All the fields in the table are specific to the mode group of the mode name given.
Mode entry Field IRC LU6.1 APPC
Mode name A20MODE     X
ATIs satisfied by contention losers A20ES1     X
ATIs satisfied by contention winners A20ES2     X
Peak contention losers A20E1HWM     X
Peak contention winners A20E2HWM     X
Peak outstanding allocates A20ESTAM     X
Total specific allocate requests A20ESTAS     X
Total specific allocates satisfied A20ESTAP     X
Total generic allocates satisfied A20ESTAG     X
Queued allocates A20ESTAQ     X
Failed link allocates A20ESTAF     X
Failed allocates due to sessions in use A20ESTAO     X
Total bids sent A20ESBID     X
Current bids in progress A20EBID     X
Peak bids in progress A20EBHWM     X
For local system
Table 3. Statistics for local system
System entry Field Local
Aids in chain A14EALL X
Generic aids in chain A14ESALL X
Peak aids in chain A14EAHWM X