Subject: Re: keepalive per socket settings patch
To: None <tech-net@netbsd.org>
From: Joerg Sonnenberger <joerg@britannica.bec.de>
List: tech-net
Date: 06/20/2007 16:16:00
On Wed, Jun 20, 2007 at 09:58:23AM -0400, Greg Troxel wrote:
> keepalive interval should be well greater than RTT
In practise, the lower bound must be > RTT x max_retries. Using that
should be as good enough though.
> keepalive intercal should only be short enough to keep broken nat
> boxes working
Using a low setting can be also be used to detect dead machines, so I
can understand why using the above could be a good idea.
> I suggest not limiting the high value. If an admin does want to force
> apps that don't want keepalive, then that's another sysctl to override
> policy but it seems unwarranted.
Agreed.
Joerg