Re: [PATCH 0/10] af_unix: add multicast and filtering features to AF_UNIX

[Posted February 29, 2012 by jake]

From:		David Miller <davem-AT-davemloft.net>
To:		javier.martinez-AT-collabora.co.uk
Subject:		Re: [PATCH 0/10] af_unix: add multicast and filtering features to AF_UNIX
Date:		Mon, 27 Feb 2012 14:05:35 -0500 (EST)
Message-ID:		<20120227.140535.1623396420455657443.davem@davemloft.net>
Cc:		javier-AT-collabora.co.uk, eric.dumazet-AT-gmail.com, lennart-AT-poettering.net, kay.sievers-AT-vrfy.org, alban.crequy-AT-collabora.co.uk, bart.cerneels-AT-collabora.co.uk, rodrigo.moya-AT-collabora.co.uk, sjoerd.simons-AT-collabora.co.uk, netdev-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org
Archive‑link:		Article

From: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Date: Mon, 27 Feb 2012 15:00:06 +0100

> Primary for performance reasons. D-bus is an IPC system for processes in
> the same machine so traversing the whole TCP/IP stack seems a little
> overkill to me.

You haven't actually tested what the cost of this actually is, so what
you're saying is mere speculation.  In many cases TCP/UDP over
loopback is actually faster than AF_UNIX.

Since this is the premise of your whole rebuttal, I'll simply stop
reading here.

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