QoS management for VoIP networks with edge-to-edge admission control

被引：0
|
作者：
Mase, K [1 ]
Toyama, Y [1 ]
Bilhaj, AA [1 ]
Suda, Y [1 ]
机构：
[1] Niigata Univ, Dept Informat Engn, Niigata 9502181, Japan
来源：
GLOBECOM '01: IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE, VOLS 1-6 | 2001年
关键词：
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper presents QoS management architecture for VoIP networks. Voice quality, specifically MOS (Mean Opinion Score), is continuously and automatically monitored by using objective voice quality evaluation tool for periodically generated test calls carrying artificial voice signals. Edge-to-edge measurement based admission control is used to maintain packet loss ratse for both directional voice flows below a pre-determined value under various traffic conditions. Network design method is given to meet target blocking probability and packet loss rate. Simulation is used to evaluate network performance such as blocking probabilities and packet loss rates for the network with edge-to-edge measurement based admission control. It is shown that admission control works well to control packet loss rate under various network conditions.
引用
收藏
页码：2556 / 2560
页数：5
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