[Robustness] Teleconference 9AM EST USA, March 20
Terry L Anderson
tla at LUCENT.COM
Fri Mar 10 15:31:06 EST 2000
I will attend. Did you mean to make it 2 hr earlier? That makes it 6AM for
those on west coast.
And thanks for the gentle reminder of my not doing the task I accepted. I got
busy but will make a real effort to get something out early next week.
Maureen Stillman wrote:
> The next teleconference will be held at 9AM EST USA on March 20. Please
> send me e-mail to let me know if you will be able to attend. Attached are
> the minutes from the last robustness teleconference.
>
> The teleconference information is:
>
> 1-613-688-2795
> The access code is: #4729
>
> ----------------------------------- mintues from Teleconference on 3/1/2000
> ------------------------------------------------------------------
>
> Minutes of H.323 Robustness Teleconference - March 1, 2000
> Prepared by Maureen Stillman, Nokia
>
> Next Teleconference: March 20, 2000 9AM EST USA
>
> Action items from this teleconference:
>
> 1. Post meeting minutes to mailing list
> 2. Jorg Ott will provide failure scenarios for gatekeepers for
> the Robustness Framework document.
> 3. Terry Anderson will provide H.225 and H.245 state machines
> for us to review.
> 4. Terry Anderson will provide failure scenarios involving a GK
> which exchanges information with a clearinghouse
> 5. Sasha Ruditsky will work on the SDL for the robustness
> procedure.
>
> Attending the 3/1/2000 teleconference (some names are missing from this
> list):
>
> Jill Caugherty jcaugher at cisco.com
> Maureen Stillman maureen.stillman at nokia.com
> Jorg Ott jo at tzi.uni-bremen.de
> Michael Fortinsky Michael_Fortinsky at vocaltec.com
> Terry Anderson of Lucent tla at bell-labs.com
> Nissani at Radvision
> Roy Radhika rrroy at att.com
>
> Summary of Teleconference:
>
> We discussed the draft of the robustness framework document. We decided to
> give priority to three topics specifically, examining failure scenarios and
> failure detection in detail and writing the SDL for the robustness
> procedure.
>
> 1) Failure detection. Modes of operation for H.225 and H.245
> must be enumerated and potential failure states identified. In order to
> proceed in this direction we must have detailed state information for H.225
> and H.245. Terry Anderson of Lucent volunteered to look into this area and
> develop a draft document.
>
> 2) Failure scenarios. We must investigate and describe failure
> scenarios. The first three that we will investigate focus on the GK. These
> scenarios are:
> * (Gatekeeper - endpoint): No relationship yet / anymore.
> * (Gatekeeper - endpoint): discovered but not registered.
> * (Gatekeeper - endpoint): discovered and registered.
> Jorg Ott offered to draft these scenarios for the group.
> Another important commercial scenario is the case in which the GK
> fails and is reporting information to a clearinghouse. If the GK fails the
> new GK must report information correctly to the clearinghouse. Terry
> Anderson will draft this scenario.
>
> 3) SDL for robustness procedures. It is required that we
> specify the robustness procedure using SDL. Sasha Ruditsky of Radvision
> will be working on a draft of this specification.
>
> A general comment on the robustness framework:
>
> The ultimate goal should be to provide a mapping between the failure
> scenarios and the robustness procedure(s).
>
> -- maureen
>
> Maureen Stillman
> Member of Scientific Staff Voice: (607)273-0724 x62
> Nokia IP Telephony Fax: (607)275-3610
> 127 W. State Street Mobile: (607)227-2933
> Ithaca, NY 14850
> e-mail: maureen.stillman at nokia.com
> www.nokia.com
--
------------------------------------------------------------
Terry L Anderson mailto:tla at lucent.com
Tel:908.582.7013 Fax:908.582.6729
Pager:800.759.8352 pin 1704572 1704572 at skytel.com
Lucent Technologies/ Voice Over IP Access Networks/ Applications Grp
Rm 2B-121, 600 Mountain Av, Murray Hill, NJ 07974
http://its.lucent.com/~tla (Lucent internal) http://www.gti.net/tla
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