Equilibrium Point Analysis of A Multichannel Star-Connected Network with CSMA/CD Behavior
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Channel sense multiple access with collision detection (CSMA/CD) is a very simple and efficient way of allowing many stations to transmit to one another down a single shared channel. This useful protocol can be extended to a multichannel system where each station can send and receive messages along any of the channels. Such a system however is expensive to implement as each station requires as many transmitters and receivers as the number of channels. A much more economical arrangement is to have a star-connected network where all stations can contend for any of several channels to transmit to a central server. A single adjustable transmitter is all that is required of each station, which can all receive messages from the central server down a single fast reverse channel. In this paper, a simple starconnected network having CSMA/CD behavior is studied using equilibrium point analysis (EPA). It is shown that multichannel networks perform much better than equivalent single channel systems.
Abstract
Channel sense multiple access with collision detection (CSMA/CD) is a very simple and efficient way of allowing many stations to transmit to one another down a single shared channel. This useful protocol can be extended to a multichannel system where each station can send and receive messages along any of the channels. Such a system however is expensive to implement as each station requires as many transmitters and receivers as the number of channels. A much more economical arrangement is to have a star-connected network where all stations can contend for any of several channels to transmit to a central server. A single adjustable transmitter is all that is required of each station, which can all receive messages from the central server down a single fast reverse channel. In this paper, a simple starconnected network having CSMA/CD behavior is studied using equilibrium point analysis (EPA). It is shown that multichannel networks perform much better than equivalent single channel systems.