Promoting the Use of End-to-End Congestion Control in the Internet

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Promoting the Use of End-to-End Congestion Control in the Internet (1999)

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by Sally Floyd , Kevin Fall

Venue:	IEEE/ACM TRANSACTIONS ON NETWORKING
Citations:	874 - 14 self

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@ARTICLE{Floyd99promotingthe,
    author = {Sally Floyd and Kevin Fall},
    title = {Promoting the Use of End-to-End Congestion Control in the Internet},
    journal = {IEEE/ACM TRANSACTIONS ON NETWORKING},
    year = {1999},
    volume = {7},
    number = {4},
    pages = {458--472}
}

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Abstract

This paper considers the potentially negative impacts of an increasing deployment of non-congestion-controlled best-effort traffic on the Internet.’ These negative impacts range from extreme unfairness against competing TCP traffic to the potential for congestion collapse. To promote the inclusion of end-to-end congestion control in the design of future protocols using best-effort traffic, we argue that router mechanisms are needed to identify and restrict the bandwidth of selected high-bandwidth best-effort flows in times of congestion. The paper discusses several general approaches for identifying those flows suitable for bandwidth regulation. These approaches are to identify a high-bandwidth flow in times of congestion as unresponsive, “not TCP-friendly,” or simply using disproportionate bandwidth. A flow that is not “TCP-friendly ” is one whose long-term arrival rate exceeds that of any conformant TCP in the same circumstances. An unresponsive flow is one failing to reduce its offered load at a router in response to an increased packet drop rate, and a disproportionate-bandwidth flow is one that uses considerably more bandwidth than other flows in a time of congestion.

Keyphrases

end-to-end congestion control negative impact router mechanism bandwidth regulation high-bandwidth best-effort flow several general approach non-congestion-controlled best-effort traffic high-bandwidth flow unresponsive flow long-term arrival rate disproportionate bandwidth future protocol conformant tcp disproportionate-bandwidth flow tcp traffic packet drop rate extreme unfairness congestion collapse best-effort traffic

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