Mobility

HTTPEP: A HTTP Performance Enhancing Proxy for Satellite Systems

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Executive Summary

Broadband satellites enable Internet access for remote communities and niche markets such as ships and airplanes. However, their inherent characteristics, such as long delays and limited resources, significantly degrade the end-user's web browsing quality-of-experience. In this paper, the authors propose a novel HTTP Performance Enhancing Proxy (PEP) that accelerates web-browsing and improves the utilization of satellite resources. They describe HTTP optimizations, which enable this acceleration. They show that, optimizing the transport layer to the communication mechanism of a HTTP PEP gives further benefits in terms of a reduction in bandwidth usage and computing resource utilization. Their performance evaluation shows an average reduction in Web page-load latency of up to 27%.

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