Networking 1 min read

ABR

Published February 26, 2003 12:00 am

Short for available bit rate, or Class C quality of service, an ATM bandwidth-allocation service that adjusts the amount of bandwidth based on the amount of traffic in the network. ABR service provides a guaranteed minimum bandwidth capacity but allows data to be bursted at higher capacities when the network is free.

Compare with CBR, UBR and VBR.

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