This paper reports on an extended simulation analysis of the Distributed Queue Dual Bus (DQDB) MAC protocol. The simulation analysis is aimed at catching the most relevant protocol mechanisms (requests, empty and busy slots, distributed queue, etc.) which are responsible for the DQDB behaviour. First, the results obtained under several levels and characterization of the offered load to each station of a MAN made up of 50 stations are shown. The DQDB analysis is then complemented by extending the DQDB study to include 1.2 Gbps, which is the speed envisaged for MANs in the very near future. 1.0
DQDB Media Access Control Protocol: performance evaluation and unfairness analysis
Conti M;Gregori E;
1989
Abstract
This paper reports on an extended simulation analysis of the Distributed Queue Dual Bus (DQDB) MAC protocol. The simulation analysis is aimed at catching the most relevant protocol mechanisms (requests, empty and busy slots, distributed queue, etc.) which are responsible for the DQDB behaviour. First, the results obtained under several levels and characterization of the offered load to each station of a MAN made up of 50 stations are shown. The DQDB analysis is then complemented by extending the DQDB study to include 1.2 Gbps, which is the speed envisaged for MANs in the very near future. 1.0File in questo prodotto:
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