linux-kernel - Re: [GIT PULL] kdbus for 4.1-rc1

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Date:	Tue, 21 Apr 2015 12:51:23 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
Cc:	Andy Lutomirski <luto@...capital.net>,
	Richard Weinberger <richard@....at>,
	David Herrmann <dh.herrmann@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Jiri Kosina <jkosina@...e.cz>,
	Al Viro <viro@...iv.linux.org.uk>,
	Borislav Petkov <bp@...en8.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Tom Gundersen <teg@...m.no>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Daniel Mack <daniel@...que.org>,
	Djalal Harouni <tixxdz@...ndz.org>
Subject: Re: [GIT PULL] kdbus for 4.1-rc1

On Tue, Apr 21, 2015 at 10:35:19AM +0100, One Thousand Gnomes wrote:
> 
> We do need something for the multicast messaging. Whether that's
> supporting AF_LOCAL, SOCK_RDP with multicast or something else (POSIX
> message queue extensions ?). There's no real IP layer reliable ordered
> multicast delivery system that is low latency and lightweight because
> once it hits real networks it changes from a hard problem into a
> seriously hard problem because of multicast implosions and the like.

This was attempted in the past with AF_DBUS, but the networking
maintainers rightfully pointed out that the model there did not work.

thanks,

greg k-h
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