Fibre Channel is a technology for transmitting data between computer devices at data rates of up to 4 Gbps (and 10 Gbps in the near future). Fibre Channel is especially suited for connecting computer server s to shared storage devices and for interconnecting storage controllers and drives. Since Fibre Channel is three times as fast, it has begun to replace the Small Computer System Interface (SCSI) as the transmission interface between servers and clustered storage devices. Fibre channel is more flexible; devices can be as far as ten kilometers (about six miles) apart if optical fiber is used as the physical medium. Optical fiber is not required for shorter distances, however, because Fibre Channel also works using coaxial cable and ordinary telephone twisted pair.
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Fibre Channel offers point-to-point, switched, and loop interfaces. It is designed to interoperate with SCSI, the Internet Protocol (IP ) and other protocols, but has been criticized for its lack of compatibility – primarily because (like in the early days of SCSI technology) manufacturers sometimes interpret specifications differently and vary their implementations.
Standards for Fibre Channel are specified by the Fibre Channel Physical and Signalling standard, and the ANSI X3.230-1994, which is also ISO 14165-1.
This was last updated in November 2005
Continue Reading About Fibre Channel
Fibre Channel Arbitrated Loop (FC-AL) A Fibre Channel Arbitrated Loop (FC-AL) is a high-speed Fibre Channel (FC) topology that can connect up to 126 ports on one. See complete definition host bus adapter (HBA) A host bus adapter (HBA) provides physical connectivity and input/output between a server and a network and/or storage device. See complete definition storage area network (SAN) Definition: A storage-area network (SAN) is used to move data between servers and the various storage devices those servers use. See complete definition
Dig Deeper on Fibre Channel (FC) SAN