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Analysis and Evaluation of Packet Delay Variance in the Internet
Kaori KOBAYASHI Tsuyoshi KATAYAMA
IEICE TRANSACTIONS on Communications
Publication Date: 2002/01/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Internet Technology II -- Traffic Control and Performance Evaluation in the Internet)
Internet, delay jitter, probability distribution function of delay, multi-stage queueing system, two moments matching method with initial value,
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For several years, more and more people are joining the Internet and various kind of packets (so called transaction-, block-, and stream-types) have been transmitted in the same network, so that poor network conditions cause loss of the stream-type data packets, such as voices, which request smaller transmission delay time than others. We consider a switching node (router) in a network as an N-series M/G/1-type queueing model and have mainly evaluated the fluctuation of packet delay time and end-to-end delay time, using the two moments matching method with initial value, then define the delay jitter D of a network which consists of jointed N switching nodes. It is clarified that this network is not suitable for voice packets transmission media without measures.