FCoE: Allowing an Evolutionary Approach to 10 Gigabit Ethernet

The new Fibre Channel over Ethernet (FCoE) protocol standard has the goal of allowing an evolutionary approach to 10 Gigabit Ethernet (10 GbE)-based I/O consolidation in the data center by preserving all Fibre Channel (FC) SAN constructs – maintaining the latency, security, and traffic management attributes of FC, while preserving investments in FC tools, training, and SAN infrastructure. FCoE enables the transport of FC storage traffic over a new lossless Ethernet medium, Data Center Bridging (DCB). FCoE runs over Ethernet and does not utilize TCP/IP; thus avoiding the 'best effort' network delivery and server CPU processing (especially at 10 Gbps or higher data rates) limitations of the TCP/IP protocol stack.

 

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