[zeromq-dev] Using ZMQ for video multicast

George Kumar grgkumar4 at gmail.com
Thu Feb 13 23:12:04 CET 2014

Hi Emmanuel,

Thanks. This may be not so much ZMQ related, as PGM related. If I do PGM
over internet, how does it get delivered to end hosts. As far as I
understand, PGM requires support by intermediate routers. Or we want to use
PGM we will have to have complete control over intermediate network between


On Tue, Feb 11, 2014 at 11:44 PM, Emmanuel Taurel <taurel at esrf.fr> wrote:

> Hi George,
> If you want to use PUB/SUB and multicast, you have to use ZMQ with PGM.
> In ZMQ, PGM is encapsulateded in UDP. Look at the so-called epgm
> (Encapsulated PGM) transport.
> Hoping this help
> Emmanuel
> Le 12.02.2014 01:24, George Kumar a écrit :
> > Hi all,
> >
> > Sorry if this too basic a question for most for you on the list. I
> > have a requirement where I need to multicast video to up to 3
> > recipients. I am considering ZMQ PUB/SUB model. But ZMQ does not have
> > the option of using UDP for transport. TCP is generally discouraged
> > for real time data like video. So what do you folks think ?
> >
> > Appreciate your feedback.
> > Thanks.
> > George
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