Hi, FX:
I like your approach that you have stated here in the email.
With respect to the draft APC.xxx that you have proposed, I have few questions:
1. At present in H.323, there are mechanisms in place how the communications need to be made between the GKs or between the BEs or between the GK-BE and BE-GK when the user remain in one GK (or GK-BE) can communicate for resolving the information with another user located within another GK (or BE/GK).
That is, the communication is made via the GK (or GK/BE) to locate another GK (or GK/BE) where is use is residing (for resolving information or placing a call).
2. The base H.323 spec and H.225.0 Annex G spec clearly provide those mechanisms as stated in item 1.
However, your contribution appears to suggest that a GK (or BE) will use the VLF and HLF to locate another GK (or BE) where the user resides (currently). My assumption is that there can be HLF-to-HLF communications by-passing the GK-to-GK (or GK/BE-BE/GK) communications for resolving the information.
It has been mentioned in my earlier emails that HLF-to-HLF communications is not an extension of H.323 protocol.
Therefore, it appears to me that your contribution does not follow the model that have been suggested in items 1 and 2 per H.323 and Annex G.
Am I missing anything?
Best regards, Radhika R. Roy AT&T
-----Original Message----- From: Francois-Xavier Derome [mailto:Francois-Xavier.Derome@ALCATEL.FR] Sent: Tuesday, August 01, 2000 5:44 AM To: ITU-SG16@MAILBAG.INTEL.COM Subject: Re: [H.323 Mobility:] Usage of H.225 Annex G in H.323 Annex H & a question about BEs
I tried to follow your discussion on annex G. Can we split the problem in 2 parts : - the mobility management - the call control Concerning the mobility management, I think we can define the rules we want and there should be no restriction from the current annex G limitation.
Concerning the call management, we MUST follow the current annex G and that's what I wanted to make clear in my APC. I think one solution could be for the BE in the mobile domain to put in the routeinfo field a sendAccessRequest to let him resolve the new location with the HLF
fx
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