Re: [HEADS UP] Significant TCP work committed to head

> Date: Fri, 12 Nov 2010 20:35:45 +1100
> From: Lawrence Stewart <lstewart_at_freebsd.org>
> Sender: owner-freebsd-current_at_freebsd.org
> 
> Hi All,
> 
> A quick note that this evening, I made the first in a series of upcoming
> commits to head that modify the TCP stack fairly significantly. I have
> no reason to believe you'll notice any issues, but TCP is a complex
> beast and it's possible things might crop up. The changes are mostly
> related to congestion control, so the sorts of issues that are likely to
> crop up if any will most probably be subtle and difficult to even
> detect. The first svn revision in question is r215166. The next few
> commits I plan to make will be basically zero impact and then another
> significant patch will follow in a few weeks.
> 
> If you bump into an issue that you think might be related to this work,
> please roll back r215166 from your tree and attempt to reporoduce before
> reporting the problem. Please CC me directly with your problem report
> and post to freebsd-current_at_ or freebsd-net_at_ as well.
> 
> Lots more information about what all this does and how to use it will be
> following in the coming weeks, but in the meantime, just keep this note
> in the back of your mind. For the curious, some information about the
> project is available at [1,2].
> 
> Cheers,
> Lawrence
> 
> [1] http://caia.swin.edu.au/freebsd/5cc/
> [2]
> http://www.freebsd.org/news/status/report-2010-07-2010-09.html#Five-New-TCP-Congestion-Control-Algorithms-for-FreeBSD

Lawrence,

Great news! I've been looking forward to having these congestion
algorithms for a while and this is clearly a big step to getting there.

Do you intend to MFC this for 8.2?
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman_at_es.net			Phone: +1 510 486-8634
Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3 987B 3751