netdev - Re: Add a SOCK_DESTROY operation to close sockets from userspace

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Message-Id: <1447948469.2030778.444426889.4F4A5648@webmail.messagingengine.com>
Date:	Thu, 19 Nov 2015 16:54:29 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Tom Herbert <tom@...bertland.com>,
	David Miller <davem@...emloft.net>
Cc:	Lorenzo Colitti <lorenzo@...gle.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Stephen Hemminger <stephen@...workplumber.org>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	Eric Dumazet <edumazet@...gle.com>, Erik Kline <ek@...gle.com>,
	Maciej Żenczykowski <maze@...gle.com>,
	Dmitry Torokhov <dtor@...gle.com>
Subject: Re: Add a SOCK_DESTROY operation to close sockets from userspace

On Thu, Nov 19, 2015, at 06:12, Tom Herbert wrote:
> I think this solution presumes some out of band signaling about a path
> failure deep in the network that is not reported via the TCP
> connection. This solution is obviously only as good as the signaling,
> but clearly the most general solution to maintaining reachability has
> been (and unfortunately will probably continue to be) application
> keepalives.

Ack. With emphasis of *application*. :)
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