A network technology which encapsulates fiber channel frames inside
an Ethernet frame is known as fiber channel over Ethernet. Fiber
channel over Ethernet is basically a data storage protocol which
enables communication over Ethernet. FCoE offers “high-speed
Ethernet” infrastructure to move traffic and converge IP protocols
and storage to a single interface. As defined by FC-BB-5T11 group,
Fiber Channel over Ethernet (FCoE) is an approach to “I/O
consolidation”. Conventionally, for data storage, TCP/IP networks
were used by organization. Fiber channel offers high-speed data
connections between the servers and computing devices. Fiber channel
over Ethernet network comprises of FC ports, adapters, cables, and FC
switches, among other components. FCoE provides I/O consolidation
over Ethernet and allows Ethernet and fiber channel to share an
integrated, single structure. As a result, Fiber channel over
Ethernet offers benefits including less cables, switch ports, and
adapters, proper server virtualization and storage, and seamless
integration with “FC SANs”. This also helps in minimizing network
complexities in the data center.
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One of the major applications of FCoE is Storage Area Networks
(SANs), as it results in use of fewer cables. FCoE protocols are used
by large organizations for high density storage. FCoE protocol
replaces the FC1 and FC0 layers of the fiber channel with Ethernet.
Fiber channel over Ethernet (FCoE) transports the stored data using
fiber channel protocol as compared to TCP/IP stack. This is achieved
by mapping of fiber channel over “IEEE 802.3”, creating full
duplex networks. Thus, Fiber channel over Ethernet allows data
centers to have increased optimization in virtualization (server)
combined with reduction in cooling requirements, and lesser number of
interface cards and cables.
Fiber channel over Ethernet, infrastructure broadly comprises of
three components, namely FCoE links, switches, and CNA (Converged
Network Adapter). The CNA provides virtual functionalities of both FC
HBA (Host Bus Adapters) and Ethernet NIC (Network Interface Cards).
The Ethernet infrastructure used by FCoE infrastructure is same as
compared to the TCP/IP network. FCoE switches act as an intermediary
between SAN network and adapters which connect adapters to IP network
(using IP ports) combined with SAN network (using FC ports).
Currently, companies use both fiber channel (FC) for storage area
network (SAN) and Ethernet for TCP/IP networks for specific purposes.
Ethernet networks are deployed when small amount of information is
transferred by the user over both global and local distances.
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Rising demand from users for increased bandwidth, and flexibility to
access same network across server are some of the key factors
contributing towards the growth of FCoE market. However, delayed
adoption of FCoE technology is hindering the market growth. The
impact of which is marginalized by rapid adoption of FCoE
infrastructure in cloud computing, which is creating foundation for
new opportunities. The FCoE (Fiber Channel over Ethernet) market is
segmented on the basis of type. The classification includes FCoE
adapters, and FCoE switches. Prominent players of the market include
Cisco Systems Inc., Qlogic Corp., Brocade Communication Systems Inc.,
Emulex Corp., Intel Corp., LSI Corp., and Arista Networks Inc., among
others. These players are focused on developing solutions which can
meet varying requirements for different sectors. For instance,
recently CISCO enhanced its customer base for FCoE solutions by
including Financial and Technology solution companies, and Aerospace
sector.
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