First Advisor

Y. C. Jenq

Date of Publication

10-9-1995

Document Type

Thesis

Degree Name

Master of Science (M.S.) in Electrical and Computer Engineering

Department

Electrical Engineering

Language

English

Subjects

Asynchronous transfer mode, Packet switching (Data transmission), Markov processes -- Mathematical models, Broadband communication systems, Integrated services digital networks

DOI

10.15760/etd.7075

Physical Description

1 online resource (v, 57 p.)

Abstract

Since the emergence of the Asynchronous Transfer Mode ( A TM ) concept, various switching architectures have been proposed. The multistage interconnection networks have been proposed for the switching architecture under the A TM environment. In this thesis, we propose a new model for the performance analysis of an A TM switching fabric based on single-buffered Banyan network. In this model, we use a three-state, i.e., "empty", "new" and "blocked" Markov chain model to describe the behavior of the buffer within a switching element. In addition to traditional statistical analysis including throughput and delay, we also examine the delay variation. Performance results show that the proposed model is more accurate in describing the switch behavior under uniform traffic environment in comparison with the "two-state" Markov chain model developed by Jenq, et. al.[4] [6] . Based on the "three-state" model, we study a packet priority scheme which gives the blocked packet higher priority to be routed forward during contention. It is found that the standard deviation of the network delay is reduced by about 30%.

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Comments

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Persistent Identifier

https://archives.pdx.edu/ds/psu/30017

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