Re: : ISSUE, SIP, Duplicate user-name

I think this is going nuts.

Can we please try to identify technical problems that prevent this 
Diameter SIP application to be deployed, as opposed from "I don't like 
the current way of doing things although it works"?

Thank you for your cooperation.

/Miguel

[email protected] wrote:

> Hi!
> 
> How is
> 
>   "Diameter translation agent must copy the contents of Digest-Username
>    attribute to Digest-Username AVP and User-Name AVP"
> 
> smoother, easier, and more elegant than
> 
>   "Diameter translation agent must copy the contents of Digest-Username
>    attribute to User-Name AVP"
> 
> ?
> 
> Maybe somebody forgot to inform me that we work at the
> Department of Redundancy Department. :)
> 
> 
> BR,
> Mikko
> 
> 
> 
>>-----Original Message-----
>>From: Miguel Garcia [mailto:[email protected]]
>>Sent: 27 October, 2005 15:31
>>To: Aittola Mikko (Nokia-NET/Tampere)
>>Cc: [email protected]
>>Subject: Re: [AAA-WG]: ISSUE, SIP, Duplicate user-name
>>
>>
>>The need to have a duplication is to have a smooth and easy 
>>transition 
>>from RADIUS to Diameter, because the RADIUS document already 
>>specifies 
>>Digest-Username.
>>
>>Adding an AVP for consistency and smooth transition is 
>>considered more 
>>elegant than trying to save a few bytes here. As far as I 
>>know, we don't 
>>have any requirement that puts constraints on the number of bytes 
>>transferred.
>>
>>/Miguel
>>
>>[email protected] wrote:
>>
>>
>>>Hi!
>>>
>>>I agree with everything you said about the usage of
>>>User-Name AVP.
>>>
>>>But my issue was: why is there need for the Digest-Username AVP in
>>>the Diameter SIP Application? It is enough to have User-Name AVP.
>>>
>>>When Digest is used the SIP-server fills User-Name AVP from the
>>>username contained in Authorization header.
>>>
>>>When Digest is used the SIP-server fills Digest-Username AVP from
>>>the username contained in Authorization header.
>>>
>>>Why is there need to transport this information once in
>>>the SIP-message, but twice in the Diameter message?
>>>It is redundant information.
>>>
>>>Conclusion: Digest-Username AVP is not needed in
>>>Diameter SIP Application. Let's get rid of it.
>>>
>>>
>>>BR,
>>>Mikko
> 
> 

-- 
Miguel A. Garcia           tel:+358-50-4804586
sip:[email protected]
Nokia Research Center      Helsinki, Finland