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ABR Last modified: Monday, October 20, 2008
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.
Network Storage Forum Business Continuity, Hardware, Industry News, IP Storage, Management, Outsourcing and more for Enterprise Storage. Webopedia's Quick Reference Section Use this Webopedia reference section for information on common Internet and computer facts and occurrences.	Related Categories Data Transfer Rates Networking Standards Related Terms ATM CBR QoS throughput UBR VBR