CBR

Webopedia Staff
Last Updated May 24, 2021 7:37 am
Short for constant bit rate, or Class A quality of service, an ATM bandwidth-allocation service that requires the user to determine a fixed bandwidth requirement at the time the connection is set up so that the data can be sent in a steady stream. CBR service is often used when transmitting fixed-rate uncompressed video.

Compare with ABR, UBR and VBR.