Implementation and evaluation of fast lightpath setup method in wavelength-routed WDM networks

Masatoshi Ohashi; Shin'ichi Arakawa; Masayuki Murata

doi:10.1117/12.689020

28 September 2006 Implementation and evaluation of fast lightpath setup method in wavelength-routed WDM networks

Masatoshi Ohashi, Shin'ichi Arakawa, Masayuki Murata

Proceedings Volume 6354, Network Architectures, Management, and Applications IV; 63541V (2006) https://doi.org/10.1117/12.689020
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea

Abstract

One approach to effectively utilize WDM networks is to transfer the data on-demand basis through a fast wavelength reservation. Then, the data is transferred using the assigned wavelength channel. If the wavelength reservation fails, the data transfer delay, which is defined as the time from when the data transfer request arises at the source node to when the data is successfully received by the destination node, is much affected since retrial of the wavelength reservation is delayed by propagation delay. We have proposed a fast lightpath setup method that tries to establish a lightpath twice during a round-trip propagation time, and have evaluated the method by computer simulations where there is neither packet processing delay nor OXC configuration delay. In this paper, we present overview of our implementation and experimental results showing that our setup method takes smaller lightpath setup delay than the backward reservation protocol.

Citation Download Citation

Masatoshi Ohashi, Shin'ichi Arakawa, and Masayuki Murata "Implementation and evaluation of fast lightpath setup method in wavelength-routed WDM networks", Proc. SPIE 6354, Network Architectures, Management, and Applications IV, 63541V (28 September 2006); https://doi.org/10.1117/12.689020

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