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From: "Theodore Ts'o" <tytso@mit.edu>
To: Greg KH <gregkh@suse.de>
Cc: linux-kernel@vger.kernel.org, stable@kernel.org,
	davem@davemloft.net, shemminger@osdl.org, netdev@oss.sgi.com
Subject: Re: [07/08] [TCP] Fix BIC congestion avoidance algorithm error
Date: Tue, 5 Apr 2005 14:22:02 -0400	[thread overview]
Message-ID: <20050405182202.GA11979@thunk.org> (raw)
In-Reply-To: <20050405164758.GH17299@kroah.com>

On Tue, Apr 05, 2005 at 09:47:59AM -0700, Greg KH wrote:
> 
> -stable review patch.  If anyone has any objections, please let us know.
> 
> While redoing BIC for the split up version, I discovered that the
> existing 2.6.11 code doesn't really do binary search. It ends up
> being just a slightly modified version of Reno.  See attached graphs
> to see the effect over simulated 1mbit environment.

I hate to be a stickler for the rules, but does this really meet this
criteria?

 - It must fix a real bug that bothers people (not a, "This could be a
   problem..." type thing.)

If the congestion control alogirthm is "Reno-like", what is
user-visible impact to users?  There are OS's out there with TCP/IP
stacks that are still using Reno, aren't there?  

Knowing the answer to the question, "How does this bug `bother' either
users or network administrators?" would probably be really helpful.

						- Ted

  reply	other threads:[~2005-04-05 18:22 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20050405164539.GA17299@kroah.com>
2005-04-05 16:47 ` [05/08] [IPSEC]: Do not hold state lock while checking size Greg KH
2005-04-05 16:47 ` [07/08] [TCP] Fix BIC congestion avoidance algorithm error Greg KH
2005-04-05 18:22   ` Theodore Ts'o [this message]
2005-04-05 18:26     ` David S. Miller
2005-04-05 18:32       ` Stephen Hemminger

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