International Journal of Computer and Communication Technology


The rapid growth and increasing requirements for service quality, reliability had made everyone to choose the traffic engineering essential for the large public networks. The multi Protocol label switching is a protocol used when there is interaction between the traffic engineering and the overlay networks. This MultiProtocol Labeled Switching (MPLS) with the help of the nash equilibrium algorithm has given optimized performance better by reducing the latency and increasing the link utilization. But increase in link utilization will gradually increase the congestion in the network as the link is being used by all the nodes. So, to overcome this specific problem we have performed a formulation called dual programming formulation which has set of constraints that have to be satisfied, along with Open Shortest Path First(OSPF) protocol so as to reduce the maximum link utilization. We have simulated the results in five queuing models which includes BPR,PD1,PM1,MM1,MD1 using source, compliant, optimal overlay routing. The results are simulated using Ns2 with linux as platform.Link utilization is reduced based on the parameters such as traffic demands and the distance between the nodes with their respective demands.





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