
Chapter 1. SAN routing 3
1.1.3 Fibre Channel routers
A router forwards data packets between two or more fabrics. Routers use
headers and forwarding tables to determine the best path for forwarding the
packets.
Separate fabrics each have their own addressing schemes. When they are joined
by a router, there must be a way to translate the addresses between the two
fabrics. This mechanism is called
network address translation (NAT) and is
inherent in the Cisco, Brocade, and McDATA multiprotocol switch/router products.
It is sometimes referred to as FC-NAT to differentiate it from a similar mechanism
that exists in IP routers.
1.1.4 Tunneling
Tunneling ...