UDP+cookies could work for you? -G
On Mon, Jul 11, 2016 at 10:19 PM, Ray Bellis <r...@bellis.me.uk> wrote: > > > On 11/07/2016 07:13, George Michaelson wrote: > >> Things like client capability signalling, I suspect are in a harder >> bucket. I won't say intractably hard, but last time I floated >> capability flagging, I got pretty strong pushback. > > I think capability flagging is difficult in a stateless protocol like > UDP - there's no guarantee that the next endpoint that you send a packet > to is the same one that just told you what capabilities it has. > > It could be done over TCP, and perhaps in other protocols that add a > pseudo-session on top of UDP (e.g. DNS-o-DTLS?) but even then the > signaling should only really apply to the current connection / session. > > As it happens, the Session Signaling draft I submitted last week > originally had an option for exchanging the end-points' EDNS0 option > support, but some of my co-authors didn't like it so I removed it... > > Ray > > _______________________________________________ > DNSOP mailing list > DNSOP@ietf.org > https://www.ietf.org/mailman/listinfo/dnsop _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
