Contribution for Porto Seguro Q.5/16 (Mobility)

Roy, Radhika R rrroy at ATT.COM
Mon May 21 10:41:07 EDT 2001


Hi, Everyone:

Just to let you know that I have also requested Mr. OKUBO to upload the
following contribution:

"Reply by AT&T on Siemens contribution - (Comments on AT&T contributions to
Q.5/16)"

Please see this document if you are interested to see comments provided in
response to Mr. Ernst Horvath's contribution "TD-xxx H_MMS_comments."

The highlights of the comments can be summarized as follows:

1. Every work item on mobility needs to be scoped that is consistent in the
light of the overall big picture of Q.5/16. All inconsistencies need to be
removed to fulfill the charter of Q.5/16.

2. All reference points need to be consistent with the overall of goal of
Q.5/16 - Mobility.

3. The HLF/VLF/AuF protocol MUST be allowed to be used by all applications.
No application-specific name (e.g., H.225.0 Annex G) must be used to limit
its use only for one application (e.g., H.323).

4. A common mobility management protocol can be used among the value-added
HLF, VLF, and AuF database entities without duplicating the same function
for all applications. (It defeats the fundamental basis of the ITU whose
principal function is use develop the common standard to reduce the system
costs.)

5. All call flows related to mobility that have been under discussion for
over two years need to be consistent with the overall objectives of Q.5/16
so that all application can use the same generic principle (without limiting
to a given application [e.g., H.323]).

6. The same above principle needs to be used for all other value-added
services in mobile environment: Policy, QOS, Billing, Authentication,
Accounting, Directory, and others.

If you have any questions, please let me know.

Best regards,
Radhika R. Roy
AT&T

-----Original Message-----
From: Roy, Radhika R
Sent: Monday, May 21, 2001 10:16 AM
To: 'okubo at mxz.mesh.ne.jp'
Subject: Document for the Porto Seguro meeting


Hi, Mr. OKUBO:

Kindly upload the following document:

"Reply by AT&T on Siemens contribution Comments on AT&T contributions to
Q.5/16"

Best Regards,
Radhika R. Roy
AT&T


-----Original Message-----
From: Horvath Ernst [mailto:ernst.horvath at SIEMENS.AT]
Sent: Monday, May 21, 2001 3:36 AM
To: ITU-SG16 at MAILBAG.INTEL.COM
Subject: Contribution for Porto Seguro Q.5/16 (Mobility)


Dear Mr. Okubo,

I uploaded contribution "TD-xxx H_MMS_comments" to the Picturetel Incoming
directory. This is for discussion in Q.5/16.

Kind Regards,
Ernst Horvath
Siemens AG

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