Network bridge: Difference between revisions

Revision as of 21:50, 18 September 2005

Revision as of 00:14, 19 September 2005

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preclude the need for further broadcasting.

The utility of bridging is limited by its dependence on broadcasting, and is thus only used in [[Local Area Network|LAN]]s.

used only in small networks, or small subsets of large networks.

Currently, two different bridging technologies are in widespread use.

''Transparent bridging'' predominates in [[Ethernet]] networks;

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The bridging

functions are confined to [[network bridge|network bridges]] which interconnect

the [[network segmentssegment]]s. First, the network bridges use

the [[spanning tree (networks)|spanning tree]] algorithm to built a loop-free network

topology by selectively disabling network segments.

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[[Token-Ring]] networks, and

is standardized in Section 9 of the [[IEEE 802.2]]

standard. The [[spanning- tree (networks)|spanning tree]]

algorithm is not used, the operation of the

[[network bridge|network bridges]] is simplier, and much of