H.323/VoIP QoS

Roy, Radhika R, ALCOO rrroy at ATT.COM
Wed Mar 3 12:41:50 EST 1999

Hi Everyone:

I support this effort. In fact, Maeng and I had a very brief talk in the
last Monterey meeting related to the QOS aspects of H.323. Recent AT&T,
VTEL, and TIPHON contributions reflect many aspects of H.323/VoIP QOS.

I also got encouraging responses when we talked about QOS related issues to
many other companies. I guess that all of us would be benefited if the
H.323/VoIP QOS aspects are satisfactorily addressed.

Hope that the QOS activity group will be formed.

Radhika R. Roy
(732) 420 1580
rrroy at att.com

> -----Original Message-----
> From: Joon Maeng [SMTP:Joon_Maeng at VTEL.COM]
> Sent: Wednesday, March 03, 1999 11:40 AM
> Subject:      H.323/VoIP QoS
> Greetings!  My name is Joon Maeng.  I work for VTEL Corp in USA. I've
> talked to
> several companies while I was attending ITU and IETF meetings about
> establishing
> an ad-hoc group to address QoS (Quality of Service) issues in TRANSPORTING
> REAL-TIME TRAFFICS in the packet switched network, especially in the IP
> network.
> I was very encouraged by responses from those companies.  Most of them
> agreed
> that lack of QoS support for real-time traffics  was one of major barriers
> in
> deploying H.323/VoIP products and  the H.323 industry would benefit by
> having a
> QoS activity group.  I would like to ask if your company would be
> interested in
> the activities described in the following:
> Proposed name of the group: H.323/VoIP QoS Activity Group.
> Motivation:  ITU defined a good conference standard, H.323, for the packet
> network.  IETF is actively defining QoS standards for the IP network. The
> deployment of H.323/VoIP products has been slow partially due to lack of
> QoS
> supports in current IP network.  The H.323/VoIP industry shall work
> together to
> access the issues and provide solutions for the users.
> Proposed charter of the group:
> - Assess QoS issues in transporting real-time traffics (calls with
> long-duration
> compared to web-access) in the IP network,
> - Find the solutions to resolve issues,
> - Execute solutions via various processes such as building consensus on
> various
> QoS solutions among participants,
>   submitting recommendations to standardization bodies if needed, and
> facilitating inter-operablity testing between QoS standards and
> application
>   standards,
> - and education,  promotion, etc.
> I would expect the final charter and the structure of the group will be
> determined by the participants and their interests.    I would say that
> everything is open at this time except that the industry shall look at the
> QoS
> issues seriously for real-time traffics.  I'd like to clarify that the
> proposed
> group is not a group to standardize the QoS.  It is a group or a forum
> that is
> interested in helping and promoting the real-time QoS for H.323/VoIP
> industry
> through various methods (to be determined).   I plan to set up an email
> reflector for the initial discussions among participants and decide the
> following steps based on the discussions. Please email me (joon_maeng@
> vtel.com)
> if you and your company would be interested in joining the initial talks
> via
> email reflector.   Your comments and suggestions will be greatly
> appreciated.
> Regards,
> Joon

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