E-CAP-ABASC versus CAP-ABASC: Comparison of two resource allocation strategies in satellite environment

Authors:
Igor Bisio;Mario Marchese
Affiliations:
-;(Corresponding author) CNIT - Italian National Consortium for Telecommunications, University of Genoa Research Unit, Via Opera Pia 13, 16145, Genova, Italy Tel.: +39 010 3532806/ Fax: +39 010 3532 ...
Venue:
Space Communications
Year:
2004

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Abstract

Resource allocation schemes dedicated to Satellite environment often consider Internet traffic as the superposition of traffic sources without distinguishing between TCP and UDP flows, even if TCP and UDP have different traffic characteristics. In this paper we introduce a system control architecture with three types of flows entering the network, i.e., Constant Bit Rate (CBR), UDP and TCP, and a cost function including an analytical measure of the packet loss for TCP flow. We propose an extension of our previous bandwidth allocation control algorithm Constrained Average Probability-Adaptive Bandwidth Allocation in Satellite Channel (CAP-ABASC) to Extended CAP-ABASC. We provide performance evaluation of the two allocation strategies.