From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932179Ab2GAAds (ORCPT ); Sat, 30 Jun 2012 20:33:48 -0400 Received: from shards.monkeyblade.net ([149.20.54.216]:45149 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932069Ab2GAAdr (ORCPT ); Sat, 30 Jun 2012 20:33:47 -0400 Date: Sat, 30 Jun 2012 17:33:46 -0700 (PDT) Message-Id: <20120630.173346.670086962166528527.davem@davemloft.net> To: alan@lxorguk.ukuu.org.uk Cc: vincent.sanders@collabora.co.uk, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: AF_BUS socket address family From: David Miller In-Reply-To: <20120630141222.60df95a5@pyramind.ukuu.org.uk> References: <20120629234230.GA11480@kyllikki.org> <20120629.165023.1605284574408858612.davem@davemloft.net> <20120630141222.60df95a5@pyramind.ukuu.org.uk> X-Mailer: Mew version 6.5 on Emacs 24.0.97 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alan Cox Date: Sat, 30 Jun 2012 14:12:22 +0100 > In fact if you look up the stack you'll find a large number of multicast > messaging systems which do reliable transport built on top of IP. In fact > Red Hat provides a high level messaging cluster service that does exactly > this. (as well as dbus which does it on the deskop level) plus a ton of > stuff on top of that (JGroups etc) > > Everybody at the application level has been using these 'receiver > reliable' multicast services for years (Websphere MQ, TIBCO, RTPGM, > OpenPGM, MS-PGM, you name it). There are even accelerators for PGM based > protocols in things like Cisco routers and Solarflare can do much of it > on the card for 10Gbit. The issue is that what to do when a receiver goes deaf is a policy issue.