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    SubjectRe: 2.2.18Pre Lan Performance Rocks!

    On Mon, 30 Oct 2000, Jeff V. Merkey wrote:

    > [...] All protection has to go away in all LAN paths for this to
    > happen, and user space apps set to ring 0. [...]

    i found that this is not a requirement for good network scalability. We do
    not do a syscall for every packet, so the cost evens out. Sure, it does
    not hurt to not eat ~1 microsecond per system-call, but it causes no
    overhead or scalability limit otherwise. In the TUX webserver we have
    user-space modules doing context-switch-less webserving, and it scales
    quite well, and is generic.

    Ingo

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