[100366] in North American Network Operators' Group
Re: The next broadband killer: advanced operating systems?
daemon@ATHENA.MIT.EDU (Sam Stickland)
Mon Oct 22 12:24:32 2007
Date: Mon, 22 Oct 2007 17:00:09 +0100
From: Sam Stickland <sam_mailinglists@spacething.org>
To: nanog@merit.edu
In-Reply-To: <20071022023815.GA37937@ussenterprise.ufp.org>
Errors-To: owner-nanog@merit.edu
Interesting. I imainge this could have a large impact to the typical
enterprise, where they might do large scale upgrades in a short period
of time.
Does anyone know if there are any plans by Microsoft to push this out as
a Windows XP update as well?
S
Leo Bicknell wrote:
> Windows Vista, and next week Mac OS X Leopard introduced a significant
> improvement to the TCP stack, Window Auto-Tuning. FreeBSD is
> committing TCP Socket Buffer Auto-Sizing in FreeBSD 7. I've also
> been told similar features are in the 2.6 Kernel used by several
> popular Linux distributions.
>
> Today a large number of consumer / web server combinations are limited
> to a 32k window size, which on a 60ms link across the country limits
> the speed of a single TCP connection to 533kbytes/sec, or 4.2Mbits/sec.
> Users with 6 and 8 MBps broadband connections can't even fill their
> pipe on a software download.
>
> With these improvements in both clients and servers soon these
> systems may auto-tune to fill 100Mbps (or larger) pipes. Related
> to our current discussion of bittorrent clients as much as they are
> "unfair" by trying to use the entire pipe, will these auto-tuning
> improvements create the same situation?
>
>
