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Edge-Based QoS Provisioning for Point-to-Set Assured Services

By Satish Raghunath, Kartikeya Ch and Shivkumar Kalyanaraman


Abstract — In this paper we propose an edge-based quality of service (QoS) architecture aimed at site-to-site private networks over the Internet. We extend the traditional point-to-point service model to a point-to-set service model, assuming a finite, bounded set of destination sites. A point-toset service allows a user to have a pool of premium tokens, which could be flexibly assigned to traffic going towards any destination within the set. The proposed point-to-set service provides statistical assurances and flexibility to users while allowing providers to obtain multiplexing gains. To realize the point-to-set service model, we introduce edge-based dynamic bandwidth tracking and provisioning schemes. The tracking algorithm predicts demand towards a given destination edge. This information is used to efficiently allocate bandwidth towards the destinations in the set. Simulation results are presented to demonstrate the merits of the proposed architecture in terms of cost savings to the customer and efficient resource utilization to the provider. I

Year: 2009
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