Hi,

In the current draft, error request messages i.e. PANA-Notification-Request 
message with 'E' (Error) bit set, are sent after any received message that may 
cause an error.

I propose to limit the use of this specific mechanism to the handling of errors 
due to PANA answer messages received by the peer. In that specific case, it is 
actually the only way for providing error notification to the originator of the 
answer message (if needed).

On the other hand, for the handling of PANA request messages, it is easier to 
always rely on PANA answer messages for providing error notification to the 
originator of the request, as done e.g. with Diameter.
The 'E' bit would be set in the answer message header in order to distinguish 
error notification from "normal" answer messages (some PANA answer messages 
being used just as ack messages).
When the 'E' bit is set in answer message, the Result-Code AVP would have to be 
present as well as the Failed-AVP AVP if needed.

Any comment?

Lionel


> -----Message d'origine-----
> De : Alper Yegin [mailto:[EMAIL PROTECTED] 
> Envoyé : jeudi 5 avril 2007 10:06
> À : [EMAIL PROTECTED]
> Objet : [Pana] Review pana-pana-15a
> 
> 
> PANA specification is reviewed based on the last round of AD 
> comments (thanks Yoshi!).
> 
> The spec is here: 
> 
> http://www.panasec.org/docs/editing/draft-ietf-pana-pana-15a.txt
> 
> And it's diff with the version that predates last round of AD comments
> (-13): 
> 
> http://www.panasec.org/docs/editing/draft-ietf-pana-pana-15a-f
> rom-3.diff.htm
> l
> 
> Please review the document and register your feedback by the 
> end of April 12, Thursday.
> 
> Upon collecting and resolving any issues, the document will 
> proceed to IETF last call.
> 
> Thanks
> 
> Alper
> 
> 
> 
> 
> 
> 
> 
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> Pana mailing list
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