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Improving TCP/IP Performance Over Geosynchronous Satellite Links: A Comparative Analysis

Improving TCP/IP Performance Over Geosynchronous Satellite Links: A Comparative Analysis
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Author(s): Joseph M. Lawson (Air Force Institute of Technology, USA) and Michael R. Grimaila (Air Force Institute of Technology, USA)
Copyright: 2006
Pages: 4
Source title: Emerging Trends and Challenges in Information Technology Management
Source Editor(s): Mehdi Khosrow-Pour, D.B.A. (Information Resources Management Association, USA)
DOI: 10.4018/978-1-59904-019-6.ch043
ISBN13: 9781616921286
EISBN13: 9781466665361

Abstract

The need for global information interchange in military applications has dramatically increased the need for geosynchronous (GEO) satellite data links beyond their existing capacity. In this paper, we identify shortcomings inherent in the configuration and utilization of TCP protocol over GEO satellite data links that prevent efficient utilization of the data link bandwidth. To date, both military and commercial organizations have relied upon use of Performance Enhancing Proxies (PEPs) to maximize bandwidth usage. However, new capabilities in existing routing equipment software may provide the capability to attain similar improvements in transmission efficiency with no additional cost. Our work focuses on the modeling and simulation of PEPs versus acceleration using existing end point routers in order to compare their effectiveness. We discuss our work to date and the importance of taking advantage of the new capabilities of end point routers to reduce costs and improve mission effectiveness.

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