There is disclosed a method and architecture for establishing independent, secure, trusted sub-networks within a storage area network (SAN). These virtual private SANs allow secure, managed interconnections between an initiator host and a target storage device or a logical unit number (LUN) indicating...http://www.google.co.uk/patents/US6845387?utm_source=gb-gplus-sharePatent US6845387 - Creating virtual private connections between end points across a SAN
