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Backplane Architecture

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Note: Many topics at this site are reduced versions of the text in "The Encyclopedia of Networking and Telecommunications." Search results will not be as extensive as a search of the book's CD-ROM.

A backplane is a circuit board that includes peripheral connection slots into which I/O devices, processors, and other computer and networks components may be installed. The slots are connected to a high-speed communication bus or switching fabric that is controlled by an onboard processor and is also connected to onboard memory. A computer motherboard is the best example of a backplane, but other examples include backplanes in hubs, switches, and routers. There are various ways of implementing the bus architecture on a backplane in order to optimize performance. Several bus standards exist.

See "Switch Fabrics and Bus Design" for more information.

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