ANSI/INCITS 372-2003

This standard defines the functions and mappings necessary to bridge or tunnel between physically separateinstances of the same network definition.

This American National Standard for Fibre Channel Backbone (FC-BB-2) consists of three distinct Fibre Channel mappings resulting in the following three specifications:
FC-BB-2_ATM (FC over ATM backbone network)
FC-BB-2_SONET (FC over SONET backbone network)
FC-BB-2_IP (FC over TCP/IP backbone network)