Abstract
Many conventional WDM network planning and/or designing schemes assume that
future traffic demand is known beforehand. However, it is difficult to predict
future traffic demand accurately. We develop a scheme to design a WDM network that
accommodates as much traffic as possible against a variety of traffic patterns, that
is, a WDM network robust against traffic uncertainties. Our basic idea is to select
a node pair that is expected to be a bottleneck in the future and then to deploy
network equipment so that the volume of traffic accommodated by the node pair
increases. Our simulation results show that the WDM network designed with our method
can accommodate more traffic demand than those designed with the existing methods at
the same cost.
© 2004 Optical Society of America
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