Title :
Excess-rate queuing theory for M/M/1/RED with application to VoIP QoS
Author :
Pitts, J.M. ; Wang, Xiongfei ; Yang, Qingxiong ; Schormans, John Alexander
Author_Institution :
Dept. of Electron. Eng., Univ. of London
fDate :
9/28/2006 12:00:00 AM
Abstract :
Random early detection (RED) was developed to improve the congestion avoidance behaviour of TCP/IP traffic, but can also benefit real-time interactive applications. A novel solution is developed for a RED controlled buffer, modelled as an M/M/1 queue. This gives explicit formulas relating load, performance, and RED configuration parameters. Results for VoIP demonstrate that RED regulates the mean delay and delay variation under congested conditions, and that the new analysis accurately bounds performance
Keywords :
Internet telephony; delays; quality of service; queueing theory; telecommunication congestion control; telecommunication traffic; transport protocols; M/M/1 queue; RED configuration parameters; RED controlled buffer; TCP/IP traffic; VoIP QoS; congestion avoidance behaviour; delay performance; delay variation; excess-rate queuing theory; mean delay; random early detection;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20061594
