Guaranteed QoS includes three basic parameters: packet transfer delay, packet delay variation and packet loss rate.
有保证的服务品质包含三种参数：封包传输延迟、封包延迟变异，以及封包遗失率。
The performances of cell delay and cell delay variation through ATM pon access network are studied. The effect of ATM pon media access control protocol on the performances is chiefly analyzed.
文章研究了业务穿越AT M - PON接入网的延时和延时变化性能，着重分析媒体接入控制协议对业务延时和延时变化性能的影响。
This paper researches the problem of minimization of delay variation under the multicast end-to-end delay bounded and presents an efficient multicast routing algorithm.
研究多播端到端时延受限条件下的最优时延抖动问题，提出一种有效的多播路由算法。
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