Yes if you consider transmission over internet. Unfortunately it is mostly best effort medium and workable VoIP is possible mainly because of huge BW after user's access line .. And there is still no compatible Diffserv marking working over whole Internet.
On Sat, 5 Jul 2003, Gerry Creager N5JXS wrote: > In fact, it's more complicated than Devik offers. QoS should be set, > AND compatible marking taking place on both sides of the link as stated. > However, while it's extremely important that both participating > networks agree on marking and queuing, if the ISPs and carriers are > congested and do not participate in mark recognition and appropriate > queuing. it falls back to a best effort, lossy network, regardless of > what you do at the edges. > > gerry > > Martin Devera wrote: > > Don't expect good quality if use local QoS for incomming > > data. To have real non-best effort you need to have QoS > > on both sides of link - when transmitting packets. > > Then yes - HTB should be able to do it using priorities. > > But I doubd you can do it if IMQ is in the way. > > devik > > > > On Sat, 5 Jul 2003, Chijioke Kalu wrote: > > > > > >>Hello all, > >> > >>Please, does anyone have a setup where HTB or IMQ was used to set aside > >>uplink/downlink speed for IP Telephony, in other to have clear voice > >>quality? > >> > >>K > >> > >>_________________________________________________________________ > >>Add photos to your messages with MSN 8. Get 2 months FREE*. > >>http://join.msn.com/?page=features/featuredemail > >> > >>_______________________________________________ > >>LARTC mailing list / [EMAIL PROTECTED] > >>http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ > >> > >> > >> > > > > > > _______________________________________________ > > LARTC mailing list / [EMAIL PROTECTED] > > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ > > -- > Gerry Creager -- [EMAIL PROTECTED] > Network Engineering -- AATLT, Texas A&M University > Cell: 979.229.5301 Office: 979.458.4020 FAX: 979.847.8578 > Page: 979.228.0173 > Office: 903A Eller Bldg, TAMU, College Station, TX 77843 > > > > _______________________________________________ LARTC mailing list / [EMAIL PROTECTED] http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
