[zeromq-dev] IPv6 multicast RADIO/DISH

Luca Boccassi luca.boccassi at gmail.com
Thu Apr 26 10:23:13 CEST 2018

On Thu, 2018-04-26 at 10:00 +0200, Lionel Flandrin wrote:
> Hello everyone,
> I'm trying to build a multicast protocol on top of an IPv6-only
> network. I found that the draft RADIO/DISH sockets seem to do exactly
> what I want, however the zmq_udp man page doesn't explicitely mention
> supporting IPv6 multicast and I couldn't get pyzmq to bind an IPv6
> multicast DISH with any URL format I've tried.
> Is IPv6 multicast simply currently unsupported for UDP sockets? If
> that's the case is it because of a technical difficulty or simply
> because nobody bothered to implement it?
> Thank you for your help (and your great library),

UDP right now supports only ipv4 - it's a work in progress:

PUB/SUB with PGM or NORM should do what you are looking for.

Kind regards,
Luca Boccassi
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