Date: Mon, 8 Mar 2004 13:37:18 -0800 From: Brooks Davis <brooks@one-eyed-alien.net> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: freebsd-current@freebsd.org Subject: Re: My planned work on networking stack Message-ID: <20040308213718.GC485@Odin.AC.HMC.Edu> In-Reply-To: <20040308212255.GA52526@troutmask.apl.washington.edu> References: <404BA723.C8141806@freebsd.org> <20040308182431.4FA6D5D08@ptavv.es.net> <20040308202210.GB485@Odin.AC.HMC.Edu> <20040308212255.GA52526@troutmask.apl.washington.edu>
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--1SQmhf2mF2YjsYvc Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Mar 08, 2004 at 01:22:55PM -0800, Steve Kargl wrote: > On Mon, Mar 08, 2004 at 12:22:10PM -0800, Brooks Davis wrote: > > On Mon, Mar 08, 2004 at 10:24:31AM -0800, Kevin Oberman wrote: > > >=20 > > > Unfortunately, SACK is often looked upon as a waste of effort to those > > > who use nets in more commercial forms where aggregation of lots of sm= all > > > streams is how fat pipes are used. Research big science are about the > > > only ones who have a real need for this kind of performance and it's > > > growing fast. Without SACK, FreeBSD will be a non-starter for these > > > purposes.=20 > >=20 > > I've got a co-worker who is part of a research group at ISI that > > is doing research on long fat pipes with large streams. They are > > intrested in doing a SACK implementation. I hope to have some more > > information later this week. > >=20 >=20 > Has anyone looked at Luigi's stuff? >=20 > http://info.iet.unipi.it/~luigi/sack.html >=20 > The page states that Luigi had SACK available in FreeBSD 2.1R, > which was released 8 years ago. There are at least three implementations out there. The big issue is actually getting them brought up to current and committed. There may have also been come cultural resistance in the past, but lack of a version that actually applies to the head of the development branch is always a deal-killer. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --1SQmhf2mF2YjsYvc Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFATOeMXY6L6fI4GtQRAggTAJwJc0ZdxLuw2QtgzrJA1mLWztMpPQCgsLWa dOS/2bjyBE3EIcBehsdo0yc= =/Wvo -----END PGP SIGNATURE----- --1SQmhf2mF2YjsYvc--
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