The FCIP and iFCP protocols may help you connect FC SANs over IP networks, but what's the difference between the two? These abstracts taken from each protocol's IETF drafts shed some light on the question.
Fibre Channel over TCP/IP describes mechanisms that allow the interconnection of islands of FC storage area networks over IP-based networks to form a unified storage area network in a single FC fabric. FCIP relies on IP-based network services to provide the connectivity between the storage area network islands over local area networks, metropolitan area networks or wide area networks. (http://www.ietf.org/internet-drafts/draft-ietf-ips-fcovertcpip-11.txt)
The Internet Fibre Channel Protocol is an architecture and gateway-to-gateway protocol for the implementation of FC fabric functionality over an IP network. This functionality is provided through TCP protocols for FC frame transport and the distributed fabric services specified by the FC standards. The architecture enables internetworking of FC devices through gateway-accessed regions having the fault isolation properties of autonomous systems and the scalability of the IP network. (http://www.ietf-.org/internet-drafts/draft-ietf-ips-ifcp-13.txt)
|June 2002:||Non-blocking architecture|