WWN world wide name

A unique, worldwide, 64-bit unsigned name identifier. A RealTime server-internal World Wide Name is a name that is used internally by the RealTime server but is not exported to the SAN.

A registered, 64-bit, unique identifier that is assigned to nodes and ports.

A 64-bit identifier that is used in Fibre Channel networks to uniquely identify each element in the network (i.e., nodes and ports).