http://www.ietf.org/html.charters/avt-charter.html

So just fwiw, the AVT WG's mailing list archives require a small amount of grovelling to find (for me anyways). They aren't pointed to by the above AVT charter page, for instance. This appears to be them.. ftp://ftp.ietf.org/ietf-mail-archive/avt/ ..and current discussion is here.. ftp://ftp.ietf.org/ietf-mail-archive/avt/current JeffH