Subject: Re: RE: [Enum] FW: I-D ACTION:draft-chenbo-enum-mgcp-01.txt

From: "Bo, Chen" <[email-masked]>
Date: Tue, 24 Jul 2007 09:40:30 +0800

Brian Rosen,

Thank you for you comments.

My original idea is to provide a way to map a TN to an MG, with the purpose of making a unified addressing between MGCP and other VoIP-protocol-based system using ENUM. It is my fault that I have not made it clear in my draft. Please focus on the third scenario in my draft. I will give a modification in the later version.	

regards.

bo,chen

>I do not understand the use case for this enumservice.
>
>MGCP requires the device (MG) to register with the MGC (RestartInProgress).
>The MGC then knows everything about the device at that point.  
>
>This proposal doesn't describe how one domain finds the MGC, it describes
>how the MGC finds the MG.  But the MGCP ReatartInProgress does that.
>
>This enumservice would have to be used within a single domain; MGCP is not
>used between domains.  The only thing this enumservice could do is provide a
>locally standardized way to map a TN to an MG.  It is not clear, and the
>draft does not say, what the value in having such a standard useful in a
>single domain could be.
>
>The market has certainly not seemed to need this kind of capability
>standardized; MGCs have proprietary mappings between TN and MG identity.  I
>am at a loss to see what the value is.
>
>Brian
>
>> -----Original Message-----
>> From: Richard Shockey [mailto:[email-masked]]
>> Sent: Thursday, July 12, 2007 3:28 PM
>> To: [email-masked]
>> Subject: [Enum] FW: I-D ACTION:draft-chenbo-enum-mgcp-01.txt
>> 
>> 
>> 
>> 
>> -----Original Message-----
>> From: [email-masked] [mailto:[email-masked]]
>> Sent: Thursday, July 12, 2007 3:15 PM
>> To: [email-masked]
>> Subject: I-D ACTION:draft-chenbo-enum-mgcp-01.txt
>> 
>> A New Internet-Draft is available from the on-line Internet-Drafts
>> directories.
>> 
>> 
>> 	Title		: Telephone Number Mapping (ENUM) Service
>> Registration for MGCP
>> 	Author(s)	: C. Bo, et al.
>> 	Filename	: draft-chenbo-enum-mgcp-01.txt
>> 	Pages		: 15
>> 	Date		: 2007-7-12
>> 
>> MGCP decomposes a multimedia gateway into two parts, a call agent and
>>    a media gateway,thus brings greater extensibility and makes it easy
>>    to construct a large-scale VoIP network.  This document registers the
>>    MGCP Enumservice according to the guidelines given in RFC 3761.This
>>    kind of Enumservice is mainly applied in Carrier Networks.
>> 
>> A URL for this Internet-Draft is:
>> http://www.ietf.org/internet-drafts/draft-chenbo-enum-mgcp-01.txt
>> 
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= = = = = = = = = = = = = = = = = = = =

　　　　　　　　致
礼！

　　　　　　　　Bo, Chen
　　　　　　　　[email-masked]
　　　　　　　　　　2007-07-24

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