NDLI: Semi-Markov model for a generalized VBR video in ATM networks

Content Provider	Springer Nature Link
Author	Rikli, Nasser Eddine
Copyright Year	2000
Abstract	A semi-Markov model describing the performance of an ATM multiplexer with VBR video sources as inputs is presented. The considered system consists of the bit-streams generated by a collection of these sources. The streams which are first separately packetized into fixed size cells, and then, through a statistical multiplexer, join a common queue (assumed to be infinite) where they are served on a FIFO basis by a constant capacity channel. The model to be used is based on the assumption that the video sources operate in two bit-rate modes with unequal average holding times. Each video source is decomposed into an aggregate of two types of ON/OFF mini-sources. Multiplexing a number of such sources leads to a semi-Markov process, which is defined and solved using a phase process with as states the number of active mini-sources of each type. By relating an embedded Markov chain to this phase process, a solution to the resulting queueing system is presented, and the queue length distribution is derived using matrix–geometric techniques. Lastly, results are presented showing that the system performance depends not only on the ratio of the average holding times in the two modes, but also on their magnitudes.
Starting Page	373
Ending Page	392
Page Count	20
File Format	PDF
ISSN	10184864
Journal	Telecommunication Systems
Volume Number	13
Issue Number	2-4
e-ISSN	15729451
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2000-01-01
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Computer Communication Networks Artificial Intelligence (incl. Robotics) Probability Theory and Stochastic Processes Business Information Systems
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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