gtpm1m2sTPF V4R1 Migration Guide: 3.1 to 4.1

Understanding Non-SNA Communication

This chapter describes the changes (including system generation changes) that you may need to make in non-Systems Network Architecture (SNA) communication to migrate from the TPF 3.1 system to the TPF 4.1 system. In addition to the protocols that are no longer supported, there are changes to the following protocols:

In addition, there were changes to the channel control word (CCW) pointer/CCP branch vector table.

See Non-SNA Communication for more information. Also see the TPF Non-SNA Data Communications Reference for more information about non-SNA communication.