: Re: Comments on draft-ietf-aaa-diameter-sip-app-05.txt

Hi:

I am not sure if this message has been distributed by the AAA mailing 
list. In any case, read below Cullen's concerns and my answers inline.

Cullen Jennings wrote:
> I just reviewed the stuff on how MAR/MAA fit in with SIP digest auth - the
> draft is very nice and complete, and about as exciting as reading MIBs :-)
> 
> One trivial comment section 10 second para - the expression "retain
> authentication of the user" left me puzzled for a bit by what it meant.

Ok, I see it may be missleading. The idea to express is "if the Diameter 
  server wants to assue that authentication will take place in the own 
Diameter server (as opposed to a delegated authentication taking place 
in the SIP server) ...."

> 
> It might be worth a comment that on system where the SIP that are using
> Digest inside of TLS where only the proxy has a certificate, that using the
> HA1 mode greatly reduces the load on diameter servers. On the other hand
> this might be obvious to anyone who cares so perhaps it is not worth
> mentioning. I don't really care much but that's my 0.5 cents.

It is fine, we can add some motivation text indicating so.

BR,

       Miguel
> 
> 

-- 
Miguel A. Garcia           tel:+358-50-4804586
Nokia Research Center      Helsinki, Finland