[zeromq-dev] IPv6 multicast RADIO/DISH

[Luca Boccassi]

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:
https://github.com/zeromq/libzmq/issues/2891

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

-- 
Kind regards,
Luca Boccassi
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