George Apostolopoulos


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      Views: (1033)   Date: (13-05-09)   Pages: ()
    • Author:  by Roch Gu'erin Sanjay  George Apostolopoulos  Sanjay Kamat  Satish K. Tripathi  

    • Abstract:  this paper, we concentrate on improving this trade-off by devising methods that increase the performance of QoS routing, when cost constraints, i.e., limitations on link state update traffic, affect the accuracy of the information on which it operates. In particular, we study the performance of "safety-based" routing, which incorporates knowledge of the underlying inaccuracy in computing a "safety" measure for links, and uses it when computing paths. Using detailed simulations, we evaluate the effectiveness of safetybased routing and investigate the dependence of its performance on the assumptions made when computing link safety. Our findings show that for many operating conditions, safety-based routing is successful in improving routing performance while maintaining low update traffic volumes.

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