IEEE/ACM Transactions on Networking (TON)
Cost-effective traffic grooming in WDM rings
IEEE/ACM Transactions on Networking (TON)
Computer Networks: The International Journal of Computer and Telecommunications Networking
A new approach to improving the grooming performance with dynamic traffic in SONET rings
Computer Networks: The International Journal of Computer and Telecommunications Networking
Traffic grooming in unidirectional WDM ring networks using genetic algorithms
Computer Communications
Dynamic traffic grooming algorithms for reconfigurable SONET over WDM networks
IEEE Journal on Selected Areas in Communications
Grooming of Dynamic Traffic in WDM Tree Networks Using Genetic Algorithms
ISNN 2009 Proceedings of the 6th International Symposium on Neural Networks: Advances in Neural Networks - Part II
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Traffic grooming is one of the most important problems in optical networks with high scientific and commercial value. Efficient grooming of traffic can not only effectively reduce the network's cost but also optimize its performance. To deal with the grooming of changing traffic in SONET/WDM rings, we classified it into the following two types: (1) reconfigurable grooming of deterministic dynamic traffic (REGDT); (2) reconfigurable grooming of non-deterministic dynamic traffic (REGNT). Two types of REGNT are studied, and two cases (best-fit and full-fit) for handling it were proposed in this paper. Further more, two heuristic algorithms, GA1 and GA2, which combine genetic algorithm with traffic-splitting heuristics, were developed to deal with each case. Computer simulations showed that the algorithms proposed in this paper can achieve much better results than previous ones for these two cases.