OK.  Here is suggested text ("sent from the PaC" is added in the 2nd sentence):

"
   EAP messages are carried in PANA-Auth-Request messages.
   PANA-Auth-Answer messages are simply used to acknowledge receipt of
   the requests.  As an optimization, a PANA-Auth-Answer message sent from the 
PaC MAY
   include the EAP message.  This optimization SHOULD NOT be used when
   it takes time to generate the EAP message (due to, e.g., intervention
   of human input), in which case returning an PANA-Auth-Answer message
   without piggybacking an EAP message can avoid unnecessary
   retransmission of the PANA-Auth-Request message.  
"

Yoshihiro Ohba


On Thu, Apr 19, 2007 at 09:21:58AM +0200, MORAND Lionel RD-CORE-ISS wrote:
> I agree too.
> 
> Lionel 
> 
> > -----Message d'origine-----
> > De : Alper Yegin [mailto:[EMAIL PROTECTED] 
> > Envoyé : jeudi 19 avril 2007 08:25
> > À : 'Yoshihiro Ohba'; [email protected]
> > Objet : RE: [Pana] Piggybacking EAP in PAN
> > 
> > I agree.
> > 
> > Most of the benefits are realized when the PaC's "answer" can 
> > carry "EAP response". 
> > 
> > The case where PAA needs to send PAN and can hang on to it 
> > until it receives the next EAP Request seems less likely and 
> > possibly not worth the complication.
> > 
> > Alper
> > 
> > 
> > 
> > > -----Original Message-----
> > > From: Yoshihiro Ohba [mailto:[EMAIL PROTECTED]
> > > Sent: Tuesday, April 17, 2007 2:01 AM
> > > To: [email protected]
> > > Subject: [Pana] Piggybacking EAP in PAN
> > > 
> > > In Section 4.1:
> > > 
> > > "
> > >    EAP messages are carried in PANA-Auth-Request messages.
> > >    PANA-Auth-Answer messages are simply used to acknowledge 
> > receipt of
> > >    the requests.  As an optimization, a PANA-Auth-Answer message MAY
> > >    include the EAP message.  This optimization SHOULD NOT 
> > be used when
> > >    it takes time to generate the EAP message (due to, e.g., 
> > intervention
> > >    of human input), in which case returning an 
> > PANA-Auth-Answer message
> > >    without piggybacking an EAP message can avoid unnecessary
> > >    retransmission of the PANA-Auth-Request message.
> > > "
> > > 
> > > I think this piggybacking is allowed for PAN generated by PaC only.
> > > Piggybacking EAP for PAN generated by PAA should not allowed, 
> > > otherwise the protocol operation can be complex.
> > > 
> > > Yoshihiro Ohba
> > > 
> > > 
> > > _______________________________________________
> > > Pana mailing list
> > > [email protected]
> > > https://www1.ietf.org/mailman/listinfo/pana
> > 
> > 
> > _______________________________________________
> > Pana mailing list
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> > https://www1.ietf.org/mailman/listinfo/pana
> > 
> 
> 

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