Functions of a Node

A node is a system or complex that is defined to an installation. A node in the network can be another complex or system within a single location or it can be a complex that resides in a remote location. Each node that a complex can access must be identified to other complexes by a unique NJE node name.

Note: If a node uses SNA protocols, the node has two names:

An LU name (as defined to VTAM® ¹ ), and
An NJE node name created during initialization processing

The NJE node name appears in job headers, data set headers, and NMRs. Do not confuse the LU name with the node name, they are two separate entities.

Each node in the network can do the following with an NJE transfer unit:

Transmit: The node packages the NJE transfer unit and transmits it to another node.
Receive: The node recognizes the NJE transfer unit, receives, and stores it.
Store-and-forward: The node accepts the NJE transfer unit, stores it, and schedules it to be forwarded to another node.