CP-CP sessions through 3172-attached token-bus LAN

A 3172 connection can be used to establish CP-CP sessions between two network nodes, or between a network node and an end node. The following example shows how to establish CP-CP sessions between two network nodes across a 3172-attached token-bus LAN.

The resource definitions needed are as follows:

An XCA major node for the token-bus LAN is coded in each of the two VTAM® network nodes.
An XCA major node for the PU in the IBM® 3172 Nways Interconnect Controller is coded in each of the two VTAM network nodes (for network management).
A switched major node for the PU in the 3172 Interconnect Controller is coded in each of the two VTAM network nodes (for network management).
If both network nodes must be able to perform switched call-out operations, a switched major node for the token bus is required in both network nodes.

The sample XCA major nodes for the token-bus LAN follow. See CP-CP sessions through 3172-attached token-bus LAN for the corresponding switched major nodes for the token-bus LAN.