Summary

Recommendation ITU-T Y.2617 defines performance parameters including delay, jitter, and packet loss ratio, specifies end-to-end performance allocation when a public packet telecommunication data network (PTDN) interworks with other PTDNs or packet data networks (PDNs), describes service classification in terms of constant bit rate services and variable bit rate services and defines quality of service (QoS) guaranteed mechanisms in a PTDN.