The requirement is "specification required," and the GitHub repo, with extensive doxygen comments, seems to meet the requirement, at least for me. I would be concerned about that URL going away, I suppose.
Yes, an exporter with a fixed prefix, like "EXPORTER-OpenVPN-" will avoid collisions. Hope this helps. /r$, one of the registry experts _______________________________________________ TLS mailing list TLS@ietf.org https://www.ietf.org/mailman/listinfo/tls