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IP network expansion for growing traffic demand with shortest path routing compared to traffic engineering

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2 Author(s)
C. Hasslinger ; Deutsche Telekom, Darmstadt, Germany ; S. Schnitter

We investigate the effect of traffic engineering in order to allow for higher throughput of traffic in the network by balancing the load on the links. A network-wide optimization of paths for traffic flows can be used to maximize the amount of delivered traffic in a predefined topology. Based on previously developed optimization algorithms, we compare traffic engineering to pure shortest path first routing during a continuous process of expanding the link capacities to cope with increasing Internet traffic. We consider case studies and bounds on the efficiency of traffic engineering.

Published in:

Telecommunications Network Strategy and Planning Symposium. NETWORKS 2004, 11th International

Date of Conference:

13-16 June 2004