Abstract
This paper investigates an aggressive back off strategy as part of the congestion management algorithms developed for Direct Broadcast Satellites with Return Channel Systems (DBS-RCS). The satellite architecture considered in this work is based on an asymmetric architecture with the high capacity forward link provided by the DBS and low speed return channel is provided by a constellation of Low Earth Orbiting (LEO) satellites. The network carries both Moving Pictures Expert Group (MPEG) coded video traffic and other data traf-fic having available bit rates (ABR) which is based on Reliable DBS Multicast Protocol (RDMP). Due to overwhelming complexity of real DBS-RCS systems, unless unduly simplifications are made, an exact analysis of this system be-comes impossible. Therefore, we rely on the testbed results for investigation of the proposed aggressive back off strategy. In this paper, we first present a brief background on adaptive resource allocation and management (ARAM) system developed in our earlier work [1]. Then, we provide the proof of concept ex-periments for the newly introduced aggressive back off strategy. We show that the distributed control provided by the watermarks provides performance com-parable to the baseline ARAM model. We also show that an aggressive back off strategy should be used for increased QoS.
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Tuğcu, T., Alagöz, F. (2005). Aggressive Back off Strategy in Congestion Management Algorithm for DBS-RCS — (Invited Paper). In: Yolum, p., Güngör, T., Gürgen, F., Özturan, C. (eds) Computer and Information Sciences - ISCIS 2005. ISCIS 2005. Lecture Notes in Computer Science, vol 3733. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11569596_16
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DOI: https://doi.org/10.1007/11569596_16
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-29414-6
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