Methods and apparatus for implementing storage virtualization on a network device of a storage area network are disclosed. A frame or packet is received at a port of the network device. It is then determined that the frame or packet pertains to access of a virtual storage location of a virtual storage...http://www.google.de/patents/US20030172149?utm_source=gb-gplus-sharePatent US20030172149 - Methods and apparatus for implementing virtualization of storage within a storage area network
