Lack of TCP self-clocking in practical networks

From: mukul goyal ([email protected])
Date: Sat Feb 26 2000 - 12:49:52 EST

  • Next message: Craig Partridge: "Re: Lack of TCP self-clocking in practical networks"

    Hello All,

    Kindly give me your opinions about lack of self-clocking in TCP.

    I feel that TCP's self-clocking as illustrated in Van Jacobson's 1988
    paper exists only if bottleneck link is a link of lower capacity (i.e.
    bandwidth) than other links. However, if bottleneck link has higher
    capacity than other links (i.e. the link is bottlenecked because a large
    number of flows are using it simulateneously), there is no self-clocking
    any more. I guess this is also a main reason why one needs some thing like
    paced TCP. (The other reason being significantly less buffer
    requirements with paced TCP.)

    Thanks,
    Mukul



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