On 11 September 2012 01:46, Michael Haberler <[email protected]> wrote:

> Steve, sorry to come back on it -
>
> > Yes, a design decision for 3.x.
>
> it is an irregularity, so may I ask: what is gained by disabling this in
> 3.x ?
>

It hides the situations that may cause problems.  Just found a new one
today on Windows:

http://support.microsoft.com/kb/2639824



> > The workaround is to simply add an IPC endpoint to the socket for local
> apps.  You can hard hack the support back in too, it's just a socket option
> on the underlying PGM socket.
>
> and what do I expose myself to if I 'hack it back in' besides a local
> change which doesnt make it upstream ?
>

Multiple senders are unreliable on one host.  Receivers should be ok, OS
stack forgiving, and as long as congestion control is not enabled.

I would think the IPC route is trivial:

s = zmq_socket (ctx, ZMQ_PUB);
zmq_connect (s, "pgm://eth0;239.192.0.1:7500");
zmq_connect (s, "ipc://loopback/7500");

-- 
Steve-o
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