gtpm1m2rTPF V4R1 Migration Guide: 3.1 to 4.1

Changes for the SNA Communication Trace Facilities

In the TPF 4.1 system, support for a new Systems Network Architecture (SNA) communication trace facility, which is the SNA input/output (I/O) trace facility, was added. See Systems Network Architecture (SNA) I/O Trace Facility for more information about this trace facility.

In addition, various enhancements were made to the path information unit (PIU) trace facility and the PIUPRT utility. See Path Information Unit (PIU) Trace Facility for more information about the PIU trace facility. See PIUPRT Utility for more information about the PIUPRT utility.