[zeromq-dev] IPv6 multicast RADIO/DISH

Lionel Flandrin lionel at svkt.org
Thu Apr 26 10:00:54 CEST 2018

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),
Lionel Flandrin
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