HP StorageWorks 4/64 Brocade Converged Enhanced Ethernet Administrator's Guide - Page 21
Introducing FCoE, In this FCoE terminology, FCoE overview
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Introducing FCoE Chapter 1 In this chapter •FCoE terminology 1 •FCoE overview 1 •Layer 2 Ethernet overview 8 •FCoE Initialization Protocol 13 •FCoE queuing 17 FCoE terminology Table 1 lists and describes the FCoE terminology used in this document. TABLE 1 Term FCoE terminology Description FCoE CEE VN_port VF_port ENode FCoE Forwarder (FCF) Fibre Channel over Ethernet Converged Enhanced Ethernet FCoE equivalent of an FC N_port FCoE equivalent of an FC F_port An FCoE device that supports FCoE VN_ports (servers and target devices) An FCoE link end point that provides FC fabric services FCoE overview Fibre Channel over Ethernet (FCoE) enables you to transport FC protocols and frames over Converged Enhanced Ethernet (CEE) networks. CEE is an enhanced Ethernet that enables the convergence of various applications in data centers (LAN, SAN, and HPC) onto a single interconnect technology. FCoE provides a method of encapsulating the Fibre Channel (FC) traffic over a physical Ethernet link. FCoE frames use a unique EtherType that enables FCoE traffic and standard Ethernet traffic to be carried on the same link. FC frames are encapsulated in an Ethernet frame and sent from one FCoE-aware device across an Ethernet network to a second FCoE-aware device. The FCoE-aware devices may be FCoE end nodes (ENodes) such as servers, storage arrays, or tape drives on one end and FCoE Forwarders on the other end. FCoE Forwarders (FCFs) are switches providing FC fabric services and FCoE-to-FC bridging. Converged Enhanced Ethernet Administrator's Guide 1 53-1001346-01