Description
1) Unspecified Bit Rate (ubr)
2) Universal Broadband Router (uBR)
Complete Description
1) One of ATM service categories generally used for delay-tolerant applications. A type of Traffic Shaping in QoS for ATM/Frame Relay PVCs
2) A name used to describe a device used on a cable network (either modem at customer or at headend system CMTS
