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PUBLICATIONS

A Bandwidth Guaranteed Multi-Access Protocol for WDM Local Networks

Published

Author(s)

J S. Choi, Nada T. Golmie, David H. Su

Abstract

In this paper, we propose a bandwidth guaranteed multi-access protocol for broadcast-and-select WDM local networks with a star topology. The proposed protocol is based on a combination of contention and reservation mechanisms for time slotted WDM networks. Every node accesses the data channel by transmitting request packets in minislots on a separate control channel. There are two types of minislots: reservation minislots and contention minislots. Nodes requiring bandwidth guarantees, called guaranteed nodes, use reservation minislots that are assigned by the control node. The remaining nodes share contention minislots using a random access mechanism. Each node dynamically assigns data channels for the minislots successfully returned on a First-Come-First-Served (FCFS) basis. Here, the number of reservation minislots is allocated by the control node. The remaining minislots are used for contention minislots. The reservation minislots can guarantee a minimum bandwidth for the guaranteed nodes. The contention minislots enable on-demand services at the optical layer and achieve good fairness for the remaining bandwidth. This protocol can be implemented with a simple distributed algorithmthat efficiently utilizes the data channel.
Proceedings Title
Proceedings of the 17th International Conference on Communications '2000
Volume
3
Conference Dates
June 19-23, 2000
Conference Title
International Conference on Communications
Pub Type
Conferences

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Keywords

bandwidth guaranteed, contention and reservation protocol, multiple access protocol, QQS, WDM local network
Information technology and Networking

Citation

Choi, J. , Golmie, N. and Su, D. (2000), A Bandwidth Guaranteed Multi-Access Protocol for WDM Local Networks, Proceedings of the 17th International Conference on Communications '2000, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=151065 (Accessed October 31, 2024)

Issues

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Created January 1, 2000, Updated February 19, 2017