public async void SessionUpgraded(IAriesSession oldSession, IAriesSession newSession)
        {
            if (!(newSession is IVoltronSession))
            {
                return;
            }

            //Aries session has upgraded to a voltron session
            IVoltronSession voltronSession = (IVoltronSession)newSession;

            //TODO: Make sure this user is not already connected, if they are disconnect them
            newSession.Write(new HostOnlinePDU
            {
                ClientBufSize     = 4096,
                HostVersion       = 0x7FFF,
                HostReservedWords = 0
            });

            //CAS, don't hydrate the user
            if (voltronSession.IsAnonymous)
            {
                return;
            }

            //New avatar, enroll in voltron group
            var avatar = await DataService.Get <Avatar>(voltronSession.AvatarId); //can throw?

            //Mark as online
            avatar.Avatar_IsOnline = true;
            VoltronSessions.Enroll(newSession);
            Events.UserJoined(voltronSession);
            Neigh.UserJoined(voltronSession);
            TuningDomain.UserJoined(voltronSession);

            //TODO: Somehow alert people this sim is online?
        }