Re: zero-copy TCP

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Sat Sep 02 2000 - 18:21:13 EDT

  • Next message: Jeff V. Merkey: "Re: [Fwd: zero-copy TCP]"

    > > There arent copies all over the case for the paths that occur. Like 99.999%
    > > of the time. Fragmented packets dont happen except for NFS (which is a rather
    > > broken protocol anyway).
    >
    > There are.

    You forgot to cite them

    > > the socket operations from user space use file-> dereferences not a lookup
    >
    > It is is there's a hash collision.

    So you want to compute a perfect hash from unknown data which may also be a
    hostile attacking your hash function. If you can do that, stop off and claim
    a PhD

    Alan

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