Re: zero-copy TCP

From: Chris Wedgwood (
Date: Tue Sep 05 2000 - 14:45:05 EST

On Sun, Sep 03, 2000 at 08:46:15PM +0100, Alan Cox wrote:

    You are perfectly at liberty to send invalidly checksummed
    packets. Its a design decision. The remote simply discards the

Not only that -- from outside the box it's often impossible to tell
why a certain packet has a broken checksum; it might be software,
hardware a stray event or interference for the Redmond Mind Control

Right now; bad checksums occur on most networks[1] fairly often
anyhow; I guess Ingo was trying to say that we should make efforts
not to increase this number if at all possible?


[1] Well, reasonable sized networks. I guess it goes O(n) with the
    number of hosts in the absence of something really broken.
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