ISSN : 1796-2056
Volume : 3    Issue : 6    Date : June 2008

Using Rerouting to Improve Aggregate Based Resource Allocation
Ali E. Helvaci, Coskun Cetinkaya, and Mehmet B. Yildirim
Page(s): 1-12
Full Text:
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This paper studies the effect of rerouting for augmenting aggregate based resource allocation in the
trade-off between overhead and utilization. Aggregation is a common approach used to address the
scalability issue in resource allocation. However, resources committed in bulk may be under utilized
while other resource requests are being turned down for lack of resources in some shared links.
The aim of rerouting is to free up committed resources for better utilization by reusing resources
vacated by terminated flows and by moving existing flows to alternative paths. Our results show that
rerouting improves performance over a wide range of network loads on two different network

Index Terms
Resource Reservation, Re-routing, Bandwidth Broker