Iterative virtual topology design to maximize the traffic scaling in WDM networks

We propose an iterative algorithm for the virtual topology design (VTD) in optical networks. The algorithm eliminates lighter traffic lightpaths and rearranges the traffic through the remaining lightpaths. This tries to preserve the open capacity for the accommodation of future unknown demands. The results suggest that it is feasible to preserve enough open capacity to avoid blocking of future requests in networks with scarce resources, this is, maximize the traffic scaling.