Parallel sessions

The example in Figure 10 is for a System/390®-PS/2 SDLC LU 6.2 link with six PUs. The LU definitions with LOCADDR=0 are for PU2.1 independent parallel sessions. All the other definitions are for PU2.0 dependent single-session LUs.

Figure 10. Host VTAM NCP definitions for parallel sessions
* Line 027 set up for parallel sessions
* XID=YES & RESSCB are required for parallel sessions
*
IYA7L027  LINE  ADDRESS=(027,FULL),OWNER=HP
          SERVICE  ORDER=(IYA7C027,IYA7C327,IYA7C627)
          SERVICE  ORDER=(IYA7C927,IYA7CC27,IYA7CF27)
IYA7C027  PU      ADDR=C1,PUTYPE=2,ISTATUS=ACTIVE,XID=YES
IYA70270  LU      LOCADDR=0,MODETAB=MODELU62,DLOGMOD=LU62PS,RESSCB=30
IYA70271  LU      LOCADDR=1
IYA70272  LU      LOCADDR=2
IYA70273  LU      LOCADDR=3
IYA70274  LU      LOCADDR=4
IYA70275  LU      LOCADDR=5
IYA70276  LU      LOCADDR=6
IYA70277  LU      LOCADDR=7
IYA7C327  PU      ADDR=C2,PUTYPE=2,ISTATUS=ACTIVE,XID=YES
IYA73270  LU      LOCADDR=0,MODETAB=MODELU62,DLOGMOD=LU62PS,RESSCB=30
IYA73271  LU      LOCADDR=1
IYA73272  LU      LOCADDR=2
IYA73273  LU      LOCADDR=3
IYA73274  LU      LOCADDR=4
IYA73275  LU      LOCADDR=5
IYA73276  LU      LOCADDR=6
IYA73277  LU      LOCADDR=7
IYA7C627  PU      ADDR=C3,PUTYPE=2,ISTATUS=ACTIVE,XID=YES
IYA76270  LU      LOCADDR=0,MODETAB=MODELU62,DLOGMOD=LU62PS,RESSCB=30
IYA76271  LU      LOCADDR=1
IYA76272  LU      LOCADDR=2
IYA76273  LU      LOCADDR=3
IYA76274  LU      LOCADDR=4
IYA76275  LU      LOCADDR=5
IYA76276  LU      LOCADDR=6
IYA76277  LU      LOCADDR=7
IYA7C927  PU      ADDR=C4,PUTYPE=2,ISTATUS=ACTIVE,XID=YES
IYA79270  LU      LOCADDR=0,MODETAB=MODELU62,DLOGMOD=LU62PS,RESSCB=30
IYA79271  LU      LOCADDR=1
IYA79272  LU      LOCADDR=2
IYA79273  LU      LOCADDR=3
IYA79274  LU      LOCADDR=4
IYA79275  LU      LOCADDR=5
IYA79276  LU      LOCADDR=6
IYA79277  LU      LOCADDR=7
IYA7CC27  PU      ADDR=C5,PUTYPE=2,ISTATUS=ACTIVE,XID=YES
IYA7C270  LU      LOCADDR=0,MODETAB=MODELU62,DLOGMOD=LU62PS,RESSCB=30
IYA7C271  LU      LOCADDR=1
IYA7C272  LU      LOCADDR=2
IYA7C273  LU      LOCADDR=3
IYA7C274  LU      LOCADDR=4
IYA7C275  LU      LOCADDR=5
IYA7C276  LU      LOCADDR=6
IYA7C277  LU      LOCADDR=7
IYA7CF27  PU      ADDR=C6,PUTYPE=2,ISTATUS=ACTIVE,XID=YES
IYA7F270  LU      LOCADDR=0,MODETAB=MODELU62,DLOGMOD=LU62PS,RESSCB=30
IYA7F271  LU      LOCADDR=1
IYA7F272  LU      LOCADDR=2
IYA7F273  LU      LOCADDR=3
IYA7F274  LU      LOCADDR=4
IYA7F275  LU      LOCADDR=5
IYA7F276  LU      LOCADDR=6
IYA7F277  LU      LOCADDR=7
Figure 11. Host VTAM MODETABLE definitions for parallel sessions
MODELU62 MODETAB
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Log mode table for use with lu62 -
*
* PARALLEL SESSIONS=YES
*
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
LU62PS   MODEENT LOGMODE=LU62PS,
               TYPE=0,             ONLY TYPE RECOGNIZED
               FMPROF=X'13',       SNA
               TSPROF=X'07',       SNA
               PRIPROT=X'B0',      PRIMARY PROTOCOL
               SECPROT=X'B0',      SECONDARY PROTOCOL
               COMPROT=X'78A5',    COMMON PROTOCOL
               SSNDPAC=X'00',
               SRCVPAC=X'00',
               RUSIZES=X'8989',    RUSIZES IN-4096 OUT-4096
               PSNDPAC=X'00',
               PSERVIC=X'060200000000000000122F00'
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* LU62 REQUIRES SNASVCMG TO RUN PROPERLY for //ll. session support
         MODEENT LOGMODE=SNASVCMG,COS=CICS2,
               TYPE=0,             ONLY TYPE RECOGNIZED
               FMPROF=X'13',       SNA
               TSPROF=X'07',       SNA
               PRIPROT=X'B0',      PRIMARY PROTOCOL
               SECPROT=X'B0',      SECONDARY PROTOCOL
               COMPROT=X'78A5',    COMMON PROTOCOL
               SSNDPAC=X'00',
               SRCVPAC=X'00',
               RUSIZES=X'8989',    RUSIZES IN-4096 OUT-4096
               PSNDPAC=X'00',
               PSERVIC=X'060200000000000000122F00'
         MODEEND
         END

Figure 11 shows the VTAM® MODETABLE definitions required for a parallel-session LU 6.2 link.

Related concepts
VTAM application definition
Single sessions
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