[Iccrg] Heresy recapped
michael.welzl at uibk.ac.at
Thu Apr 17 06:37:35 BST 2008
>I will just point out that fairness is not a goal of VJ CC; avoiding
>packet loss is.
>The inputs to VJ CC are "some bytes were not lost" (an ACK) and "some
>bytes were probably lost" (an RTO or 3-dupack). They are not "someone
>is sending faster than me" or "I'm sending faster than someone else",
>or any other metric or inference useful for acheiving any form of
>fairness, because that is not its goal.
Now that ain't true. The choice of AIMD in the Cong. Avoid & Control
paper is based on the Chiu/Jain paper (this paper is cited in Van's),
where AIMD was found to be the only control leading to efficiency
*and fairness* among the four simple linear ones that they looked at.
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