Definitions for "XID"
Exchange Identification 1/2
exchange identification. Request and response packets exchanged prior to a session between a router and a Token Ring host. If the parameters of the serial device contained in the XID packet do not match the configuration of the host, the session is dropped.
Exchange Identifier
Keywords:  termid, see
See termid.
Keywords:  entification, ibm, change
change Id entification - IBM
X/Open Identifier. One possible identifier for a distributed transaction used in the X/Open distributed transaction model.