Date of Award

Spring 1991

Document Type

Thesis

Degree Name

Master of Science in Electrical Engineering - (M.S.)

Department

Electrical and Computer Engineering

First Advisor

Irving Y. Wang

Second Advisor

Edwin Hou

Third Advisor

N. M. Ravindra

Abstract

In an interconnected network, if user demands are allowed to exceed the system capacity, unpleasant congestion effects occur which rapidly neutralize the delay and efficiency advantages. Congestion can be eliminated by using an appropriate set of traffic monitoring and control procedures called flow control procedures. This thesis first investigates the major technical concepts underlying the token-ring technology; performance and flow control issues and then gives an approximate analytical solution in terms of mean end-toned delay in a system of token-ring local area network interconnected through bridges. The analytical solution is based on an approximation of the mean end-to-end delay in a stand alone LAN and then extended by approximating the arrival rates at the bridges as a function of the throughput of each sub network. Besides throughput and delay, a more compact form of performance measure called power has also been in the study.

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