Abstract

This article proposes XPLIT, a new architecture based on TCP cross-layering and splitting for optimizing the transport layer performance in a DVB-S2 satellite link that employs the ETSI QoS Broadband Satellite Multimedia Services (BSM) standard. The main novelty of our proposal is a complete architecture that perfectly fits this new DVB-S2/ETSI QoS BSM scenario. Our architecture includes the design of satellite-optimized cross-layer TCP protocol, called XPLIT-TCP that uses two control loops to properly manage the system load. The proposal has been implemented to be tested in the NS-2 simulator and we include the most interesting performance evaluation results, which show the excellent performance of our architecture for the intended scenario.

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