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

[Stephen Hemminger]

On Thu, 01 Mar 2012 15:55:05 -0500 (EST)
David Miller <davem@xxxxxxxxxxxxx> wrote:

> From: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
> Date: Thu, 01 Mar 2012 14:56:11 +0100
> 
> > We could use AF_INET multicast on a local machine but we need some
> > ordering and control flow requirements that are not guaranteed on UDP
> > multicast over IP. That's why we thought to add a new address family
> > AF_MCAST.
> 
> None of this makes any sense to me.
> 
> Unless you have infinite amounts of memory you have to handle packet
> drops, and the same things that handle packet drops on a protocol
> level can handle out-of-order delivery too.
> 
> Stop reinventing the wheel, use facilities that exist already.

Look at ZeroMq http://www.zeromq.org/ library seems to be a good fit for what D-bus wants.
And it supports multiple protocols.
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