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An efficient access protocol and a node multi-buffer architecture for bandwidth utilization improvement in WDM ring MANs

Authors
Journal
Optik - International Journal for Light and Electron Optics
0030-4026
Publisher
Elsevier
Volume
124
Issue
17
Identifiers
DOI: 10.1016/j.ijleo.2012.09.024
Keywords
  • Collisions Avoidance
  • Maximum Bandwidth Utilization
  • Transmission Buffer
  • Wavelength Division Multiplexing
Disciplines
  • Computer Science

Abstract

Abstract In this paper we study a slotted WDM ring network architecture with a suitable access protocol that avoids both data channels collisions and destination conflicts and decreases the packets dropping probability. Our intention is to increase throughput and to decrease transmission delay. The key idea of this paper is the exploitation of a number of buffers at each access node, in conjunction with the appropriate allocation of the incoming traffic among them and the effective decision algorithm for the appropriate buffer selection for transmission. Simulation results approximate the necessary number of buffers at each access node that maximizes the fiber bandwidth utilization.

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