Title :
QoS management for VoIP networks with edge-to-edge admission control
Author :
Mase, Kenichi ; Toyama, Yuichiro ; Bilhaj, Abdulkhalig A. ; Suda, Yosuke
Author_Institution :
Dept. of Inf. Eng., Niigata Univ., Japan
Abstract :
This paper presents a QoS management architecture for VoIP networks. Voice quality, specifically MOS (mean opinion score), is continuously and automatically monitored by using an 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 rates for both directional voice flows below a predetermined value under various traffic conditions. A 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
Keywords :
Internet telephony; computer network management; probability; quality of service; telecommunication congestion control; telecommunication network planning; telecommunication traffic; Internet; QoS management; VoIP networks; edge-to-edge admission control; mean opinion score; measurement based admission control; network design method; network dimensioning; network performance; packet loss rates; target blocking probability; traffic conditions; voice quality; Admission control; Automatic testing; Call admission control; Computerized monitoring; Engineering management; Internet telephony; Loss measurement; Quality of service; Signal generators; Web and internet services;
Conference_Titel :
Global Telecommunications Conference, 2001. GLOBECOM '01. IEEE
Conference_Location :
San Antonio, TX
Print_ISBN :
0-7803-7206-9
DOI :
10.1109/GLOCOM.2001.966237
