netdev - Re: [RFC PATCH net-next] tcp: introduce tcp_tw_interval to specifiy the time of TIME-WAIT

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Message-Id: <20120928.024336.598451765169362800.davem@davemloft.net>
Date:	Fri, 28 Sep 2012 02:43:36 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	amwang@...hat.com
Cc:	nhorman@...driver.com, netdev@...r.kernel.org,
	kuznet@....inr.ac.ru, kaber@...sh.net, edumazet@...gle.com
Subject: Re: [RFC PATCH net-next] tcp: introduce tcp_tw_interval to
 specifiy the time of TIME-WAIT

From: Cong Wang <amwang@...hat.com>
Date: Fri, 28 Sep 2012 14:33:07 +0800

> I don't think reducing TIME_WAIT is a good idea either, but there must
> be some reason behind as several UNIX provides a microsecond-scale
> tuning interface, or maybe in non-recycle mode, their RTO is much less
> than 2*MSL?

Yes, there is a reason.  It's there for retaining multi-million-dollar
customers.

There is no other reasons these other systems provide these
facilities, they are simply there in an attempt to retain a dwindling
customer base.

Any other belief is extremely naive.
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