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In recent years, many High-Speed Congestion Control (HSCC) algorithms have been proposed for utilizing network pipes with huge Bandwidth-Delay Product (BDP), and some of them have also been implemented in popular operating systems. Considering the extremely long Round Trip Propagation Delay (RTPD) of satellite network, it is very likely that these algorithms are triggered when TCP flows pass through satellite network. But the existing algorithms are normally evaluated on network pipes with high bandwidth and moderate RTPD (?? 400ms). This paper is an attempt to study these algorithms on a simulated satellite network with moderate bandwidth and extremely long RTPD. Their effects on the existing applications, especially World Wide Web (WWW) and the emerging streaming applications, are emphasized.
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