General updates of IP interfaces

Table 1 lists the general IP interfaces updates.

Table 1. Summary of new and changed Communications Server IP - General updates to IP interfaces
Interface Release Description Reason for change
ENF signal 80 V2R1 Changed ENF interface to allow z/OS to signal events. The ENF signal 80 has one qualifier:
  • A rpcbind server event occurred
The rpcbind server issue the event when the server starts or stops. The EZAENF80 macro maps the ENF signal.
Guideline: RPC applications that want awareness of the rpcbind server availability can write ENF listening user exit routines to react to Communications Server ENF signal with the rpcbind event qualifier.
RPCBIND recycle notification
MODDVIPA V2R1 New option added: -a - Create dvipa with affinity Affinity for application-instance DIVPAs
SMF 119 subtype 4 record V2R1 Record Type = TCP/IP Profile Record Record Field = NMTP_TCCFSelectiveACK Release = V2R1 Description = New flag to indicate the setting of SELECTIVEACK/NOSELECTIVEACK. Reason for Change = TCP support for selective acknowledgements TCP support for selective acknowledgements