On Tue, Mar 27, 2007 at 04:42:33PM -0400, Jeffrey Hutzelman wrote: > On Tuesday, March 27, 2007 02:39:49 PM -0500 Nicolas Williams > <Nicolas.Williams@xxxxxxx> wrote: > > >It'd be nice if there was a way for remote participants who are able to > >speak to do so. We tried ad-hoc VOIP + MP3 feed at IETF67 in the KITTEN > >WG, but the round-trip latency was awful -- we need a better solution. > > It's worth noting that in that particular experiment, the round trip time > was dominated by the latency of the multicast audio feed which we were > using for one half of the link. If we were to try this again, we'd use the > VOIP link for both directions to the remote speaker, to avoid annoying > latency issues. Which should deal with the echo cancellation issues, provided a conference bridge, say. That should work for remote presenters. For other remote participants a VOIP teleconference system would be great. We do this all the time at Sun internally for large meetings, so it should work. (The IETF might have to charge remote participants a conference call fee, if it uses a third party provider, say.) My point, however, was that one way to solve the id-at-mic problem is to make the problem symmetric for all participants :) _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf