[zeromq-dev] ZMQ_MCAST_LOOP with PGM

Steven McCoy steven.mccoy at miru.hk
Fri Aug 10 03:05:26 CEST 2012


On 7 August 2012 09:01, Pierre Ynard <linkfanel at yahoo.fr> wrote:

> For information, my personal transfer rate should be minimal enough, so
> I'm inclined to spare myself extra TCP or IPC sockets for the loopback
> case; that wouldn't fix the multiple sender issue anyway.
>

I've been thinking of implementing one of the new atomic reliable UDP
protocols that Oracle have been using, it should work great for this.


>
> > It has been this way a long time and can be easily reproduced with
> > multicast testing tools. Windows fairs better as sockets are handled
> > outside of the kernel but performance is significantly worse.
>
> > On Solaris and other UNIX flavours this is true, however as noted
> > before on Linux it is broken.
>
> That's interesting. Do you have any pointers to discussions about the
> roots of this? All I could find was stuff related to the basics I
> mentioned earlier.
>
>
It's on LKML somewhere, expect some minimal conversation along the lines
of: you shouldn't be doing that.

-- 
Steve-o
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