Re: ECN

From: (no name) (no email)
Date: Fri Nov 07 2008 - 12:31:22 EST

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    On Fri, 07 Nov 2008 08:27:58 +0100, Mikael Abrahamsson said:
    > for ECN to actually be useful, we (the ISPs) have to turn this option on
    > in the routers as well. Is anyone doing this today? What vendors support
    > it?

    The only thing that's *required* for it to help is that the routers and
    firewalls not actually *molest* the bits in the TCP SYN packet. If you pass
    them and *do nothing else*, it at least has the potential of being useful at
    some other router along the path. And let's face it - if *your* router is
    congested enough for ECN to matter, there's a fairly good chance that the
    router one hop up/downstream is *also* seeing some effects. Even if *you* don't
    do anything else, your neighbor might - helping you out in the bargain.




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