Wavelength-division multiple-access optical fiber LAN protocol performance under various traffic loads

John M. Senior; John M. McVeigh; Stewart D. Cusworth

doi:10.1117/12.139311

Abstract

Wavelength division multiple access (WDMA) as a technique for achieving very high capacity local area networks (LANs) is introduced. New efficient WDMA demand assignment protocols suitable for operation in such a high speed environment are presented and their performances are investigated via discrete event simulation. Symmetric traffic loading is initially assumed before investigation protocol performance for the more realistic case of a network with asymmetrically distributed traffic loads. For each traffic loading type performance characteristics are compared with those of a single channel equivalent operating with the same overall network transmission rate. Under symmetric traffic loading, multichannel protocol performance is shown to exhibit an improvement which is particularly significant at higher speeds. It is then demonstrated that the multichannel protocol performance is much less sensitive to the degradation caused by asymmetric traffic loads resulting in a substantial improvement in the maximum throughput achievable as compared to the single channel equivalent. Finally, the potential capacity of a wavelength division multiplexed optical fiber LAN using such a protocol is explored.

Citation Download Citation

John M. Senior, John M. McVeigh, Stewart D. Cusworth, "Wavelength-division multiple-access optical fiber LAN protocol performance under various traffic loads", Proc. SPIE 1787, Multigigabit Fiber Communications, (17 December 1992); doi: 10.1117/12.139311; https://doi.org/10.1117/12.139311

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