Bus (network topology): Difference between revisions
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In [[network topology]], a '''bus''' is a medium that is physically shared, or uses interconnection that makes the logical equivalent of a shared medium. Modern busses tend to be [[full-duplex]], although they achieve this with a physical path in each direction. | In [[network topology]], a '''bus''' is a medium that is physically shared, or uses interconnection that makes the logical equivalent of a shared medium. All connected stations have equal access to the medium. Modern busses tend to be [[full-duplex]], although they achieve this with a physical path in each direction. | ||
The [[medium access control]] for a bus can be contention-based, as for [[IEEE 802.3]], or token-based/master-slave as for [[MIL-STD-1553]]. | The [[medium access control]] for a bus can be contention-based, as for [[IEEE 802.3]], or token-based/master-slave as for [[MIL-STD-1553]]. | ||
While wireless media are indeed shared access, the term "bus" implies a wired medium. | |||
Latest revision as of 20:16, 18 July 2010
In network topology, a bus is a medium that is physically shared, or uses interconnection that makes the logical equivalent of a shared medium. All connected stations have equal access to the medium. Modern busses tend to be full-duplex, although they achieve this with a physical path in each direction.
The medium access control for a bus can be contention-based, as for IEEE 802.3, or token-based/master-slave as for MIL-STD-1553.
While wireless media are indeed shared access, the term "bus" implies a wired medium.