Fibre Channel switch

Fibre Channel switch

In the computer storage field, a Fibre Channel switch is a network switch compatible with the Fibre Channel (FC) protocol. It allows the creation of a Fibre Channel fabric, that is currently the core component of most storage area networks. The fabric is a network of Fibre Channel devices which allows many-to-many communication, device name lookup, security, and redundancy. FC switches implement zoning, a mechanism that disables unwanted traffic between certain fabric nodes.

Fibre Channel switches may be deployed one at a time or in larger multi-switch configurations. SAN administrators typically add new switches as their server and storage needs grow, connecting switches together via fiber optic cable using the standard device ports. Some switch vendors now offer dedicated high-speed stacking ports to handle inter-switch connection, similar to existing stackable Ethernet switches.

A Fibre Channel director is, by current convention, a switch with at least 128 ports. It does not differ from switch in core FC protocol functionality. The term itself initially soaked from old ESCON technology.

Major manufacturers of Fibre Channel switches are: Brocade, Cisco Systems, and QLogic.

ee also

* Host Bus Adapter (HBA)
* List of Fibre Channel switches
* List of Fibre Channel Host Bus Adapters
* Fibre Channel

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