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Martin Heusse and Annie Gravey

A Routing and Resource Preservation Strategy for Traffic Engineering in Communication Networks

In Proceedings of the 18th International Teletraffic Congress (ITC 18), Berlin, Germany, August 31-September 5 2003

September 2003

This paper presents a method for dynamic load balancing in data networks. When
multiple routes are available, it determines their load shares as a function of a composite
metric that takes into account the paths’ length and load. A general resource preservation
mechanism is also presented that complements the proposed random routing strategy
when the network is heavily loaded. We compare our approach with trunk reservation
in the particular case of fully meshed networks and evaluate its performance in any network,
where an equivalent mechanism is missing. We validate our approach by means of
simulation and provide insights on the routing solutions that it obtains.

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