netdev - Re: [PATCH] [1/1] Deprecate tcp_tw

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Date:	Thu, 31 Jan 2008 17:49:57 +0100
From:	Andi Kleen <ak@...e.de>
To:	Ben Greear <greearb@...delatech.com>
Cc:	Andi Kleen <ak@...e.de>, netdev@...r.kernel.org
Subject: Re: [PATCH] [1/1] Deprecate tcp_tw_{reuse,recycle}

On Thu, Jan 31, 2008 at 08:41:38AM -0800, Ben Greear wrote:
> I don't know exactly how the tcp_tw_recycle works, but it seems like it 
> could be made to only
> take affect when all local ports are used up in TIME_WAIT.  

TIME-WAIT does not actually use up local ports; it uses up remote ports
because it is done on the LISTEN socket which has always a fixed
local port. And it has no idea how many ports the other end has left.

-Andi
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