Subject: [Dime] Auth-Application-Id AVP

From: Preeti Shandilya <[email-masked]>
Date: Tue, 25 Mar 2008 12:16:03 +0530

Hi !

I have a concern regarding the usage of Auth-Application-Id AVP present in 
the diameter message. It's usage seems to be valid in CER message as 
diameter node needs to advertise the supported authorization applications 
in the capability exchange with the peer node

But in other diameter messages (other than CER/[email-masked]),  how 
this AVP shall be different from the application Id present in the 
diameter header. In case of NASREQ application, there is an authorization 
portion and an accounting portion. But the application obviously has a 
single application Id. So it can not separately inform peer node that node 
is supporting only authorization portion of the application.

In my opinion, RFC 3588 should not mention that the value of this AVP MUST 
match with the application Id mentioned in the diameter header. Since 
there are applications, specification corresponding to which mention that 
the value of this AVP shall be some other value than the application Id in 
the diameter header. 

I think this issue was raised in diameter interop event. Has that been 
resolved ? If yes, where can I find the conclusion

regards
Preeti

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