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UBR
Last modified: Wednesday, February 26, 2003 

Short for unspecified bit rate, or Class D quality of service, an ATM bandwidth-allocation service that does not guarantee any throughput levels and uses only available bandwidth. UBR is often used when transmitting data that can tolerate delays.

Compare with ABR, CBR and VBR.

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Related Links

related categories

Data Transfer Rates

Networking Standards

related terms

ABR

ATM

CBR

throughput

VBR


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UBR Products :


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