gtpc1m0fTransmission Control Protocol/Internet Protocol

IBM 3172 Model 3 Interconnect Controller Overview

The 3172 Model 3 Interconnect Controller with the Offload program, or a similar workstation, is integral to TCP/IP support. The 3172 Model 3 Interconnect Controller is configured as an offload device between the TPF host and local area networks (LANs).

Figure 5 shows two 3172 Model 3 Interconnect Controllers with the Offload program defined to a TPF system. The following naming conventions are used:

Figure 5. Two IBM 3172 Model 3 Interconnect Controller Offload Devices Connected to a Host Transaction Processing Facility Processor