Automated Packet Trace Analysis of TCP Implementations

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Automated Packet Trace Analysis of TCP Implementations (0)

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by Vern Paxson

Venue:	In ACM SIGCOMM
Citations:	195 - 10 self

BibTeX

@INPROCEEDINGS{Paxson_automatedpacket,
    author = {Vern Paxson},
    title = {Automated Packet Trace Analysis of TCP Implementations},
    booktitle = {In ACM SIGCOMM},
    year = {},
    pages = {167--179}
}

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Abstract

We describe tcpanaly, a tool for automatically analyzing a TCP implementation's behavior by inspecting packet traces of the TCP's activity. Doing so requires surmounting a number of hurdles, including detecting packet filter measurement errors, coping with ambiguities due to the distance between the measurement point and the TCP, and accommodating a surprisingly large range of behavior among different TCP implementations. We discuss why our efforts to develop a fully general tool failed, and detail a number of significant differences among 8 major TCP implementations, some of which, if ubiquitous, would devastate Internet performance. The most problematic TCPs were all independently written, suggesting that correct TCP implementation is fraught with difficulty. Consequently, it behooves the Internet community to develop testing programs and reference implementations. 1 Introduction There can be a world of difference between the behavior we expect of a transport protocol, and what we g...

Keyphrases

tcp implementation packet trace analysis significant difference internet community transport protocol different tcp implementation large range packet trace problematic tcp measurement point major tcp implementation correct tcp implementation internet performance general tool reference implementation packet filter measurement error

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