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DQDB

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DQDB
(Distributed Queue Dual Bus) The protocol used to control access to an IEEE 802.6 queued packet synchronous exchange (QPSX) network, used for metropolitan area networks (MANs). This architecture allows for both circuit and packet switching and supports data, voice and video traffic. Using fixed length cell relay technology, DQDB is suited to volatile network traffic.
DQDB - Distributed Queue Dual Bus


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A key feature of DQDB is that the buses operate independently of each other and of the access units, so that stations may fair or be removed from the network without causing operational problems elsewhere.
FRAD capability for Frame Relay network as well as both DQDB SNI and DXI SNI capabilities for the SMDS network are supported.
 
 
 
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