[Iccrg] Fwd: [e2e] Logging active TCP details in FreeBSD 5, 6 and 7

[Lars Eggert]

FYI

Begin forwarded message:
> From: "ext grenville armitage" <garmitage at swin.edu.au>
> Date: September 7, 2007 9:34:16 GMT+03:00
> To: end2end <end2end-interest at postel.org>
> Subject: [e2e] Logging active TCP details in FreeBSD 5, 6 and 7
>
> All,
>
> On the off chance this is of general interest, I'd like to let
> people know of a FreeBSD kernel module we've developed for
> logging various TCP state variables in a running kernel
> while sessions are active.
>
> Called SIFTR ("sifter"), we built this for our own research into
> precisely how a FreeBSD TCP stack behaves when faced with real
> and artificial (e.g. dummynet) paths. Figured it might also be
> of interest to others.
>
> See http://caia.swin.edu.au/urp/newtcp/tools.html (under SIFTR)
> for a readme, changelog and tarball. The authors would love to get
> feedback from anyone trying it out. (SIFTR has been developed and
> tested mostly under FreeBSD 6.2, but we believe it'll be stable
> under 5.x and 7.x too.)
>
> cheers,
> gja
>

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