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TCP Libra: Exploring RTT-Fairness for TCP

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1 out of 2 users found this white paper useful


Publisher University of California
Publisher Registration N/A
Topics TCP - IP Date added 15 Sep 2005
Downloads 0 Format 284.2KB PDF

The majority of Internet traffic relies on the Transmission Control Protocol (TCP) devised in the early 1970s to provide a reliable data transfer across the ARPANET. Today's users download large multimedia files from remote servers using TCP. If these TCP sessions share the same bottleneck, they are expected to receive the same share of bandwidth, thus achieving the same transfer rate. Unfortunately, this is not the case when the round trip delay RTT is very different among sessions. This may have negative practical implications in downloads of delay-sensitive (though non-real-time) information from servers. For instance, suppose in a popular internet cafe in New York City several users are simultaneously downloading multimedia files from various servers.

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