Mobility

Performance Comparison of IP, MPLS and ATM Based Network Cores Using OPNET

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Executive Summary

The core components of a network play vital role in its enhancement. For launching and providing Internet applications and services, vendors have come up with a variety of different technology based network cores and other components of Internet backbone. Among all the challenges for an efficient network core, traffic-routing is the most important. Both the routing algorithms and the router-technology are supposed to perform efficiently. The authors found that there are a number of technologies that offer packet routing service of which IP, ATM and MPLS are prominent. Some of the routers are designed to provide delivery of specific kind of traffic. The percentage of real time traffic (voice and video) over Internet is rapidly increasing due to growing trend of using real-time traffic oriented applications. People want to talk, watch TV, do video conferencing etc over Internet.

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