- VSAN
In
computer networking , a virtual storage area network (VSAN) is a collection of ports from a set of connectedFibre Channel switch es, that form a virtual fabric. Ports within a single switch can be partitioned into multiple VSANs, despite sharing hardware resources. Conversely, multiple switches can join a number of ports to form a single VSAN.VSANs were designed by Cisco, modelled after the virtual local area network (VLAN) concept in
Ethernet networking. In October 2004, theTechnical Committee T11 approved VSAN technology into theAmerican National Standards Institute (ANSI) as the standard.A VSAN, like each FC fabric, can offer different high-level protocols such as FCP, FCIP,
FICON ,iSCSI . Each VSAN is a separate self-contained fabric using distinctive security policies, zones, events, memberships, and name services. Traffic is also separate.Unlike a typical fabric that is resized switch-by-switch, a VSAN can be resized port-by-port.
ee also
*
Storage area network
*Fibre Channel
*Fibre Channel fabric
*VLAN , for analogous mechanism inEthernet
Wikimedia Foundation. 2010.