Re: Coordinating TCP projects

2008-01-20 Thread James Healy
d by the tcp_reass branch. Amongst a number of number of optimisations, this dynamic cap is now implemented. Hopefully we'll find some spare cycles to test the branch out soon. James Healy http://caia.swin.edu.au/ -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.7 (FreeBSD) Comment: U

SACK broken in HEAD/RELENG_7

2007-11-25 Thread James Healy
efine TOF_SACK 0x0080 /* SACK hole data */ In our opinion, it might also be worth renaming SCF_SACK to SCF_SACKPERM in tcp_syncache.c to semantically align it with the TOF defines in tcp_var.h. James Healy and Lawrence Stewart http://caia.swin.edu.au [1] http://caia.swin.edu.au/urp/n

Re: Odd congestion window behaviour [ was: Draft email to freebsd-net ]

2007-07-17 Thread James Healy
>>I.e. where we keep past connection state and use that >>as a reference for the initial cwnd. I asked Mark about >>this in the past.. and he said that his paper was >>mis-interpreted and this is incorrect behavior. If you >>have no connections up to a peer you should not use any >>past value for t

Re: Odd congestion window behaviour [ was: Draft email to freebsd-net ]

2007-07-16 Thread James Healy
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 > I.e. where we keep past connection state and use that > as a reference for the initial cwnd. I asked Mark about > this in the past.. and he said that his paper was > mis-interpreted and this is incorrect behavior. If you > have no connections up to a

Odd congestion window behaviour [ was: Draft email to freebsd-net ]

2007-07-15 Thread James Healy
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Whoops, we forgot to update the subject of our email. Our previous email isn't a draft. James James Healy wrote: > We've recently been doing some TCP congestion control research, and have > written a small logging module for 6.2

Draft email to freebsd-net

2007-07-15 Thread James Healy
ction is still being initialised: tp->snd_cwnd = max(mss, min(metrics.rmx_cwnd / 2, so->so_snd.sb_hiwat)); James Healy & Lawrence Stewart Centre for Advanced Internet Architectures -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.7 (FreeBSD) Comment: Using GnuPG with Mozilla - ht