netdev - Re: AF_BUS socket address family

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Date:	Sat, 30 Jun 2012 17:33:46 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	alan@...rguk.ukuu.org.uk
Cc:	vincent.sanders@...labora.co.uk, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: AF_BUS socket address family

From: Alan Cox <alan@...rguk.ukuu.org.uk>
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.
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