Hi all

I have just read the subject draft, and found this in section 6 (and similar 
text in the introduction):

   Note that to support ERP, lower-layer specifications may need to be
   revised.  Specifically, the IEEE802.1x specification must be revised
   to allow carrying EAP messages of the new codes defined in this
   document in order to support ERP.  Similarly, RFC 4306 must be
   updated to include EAP code values higher than 4 in order to use ERP
   with Internet Key Exchange Protocol version 2 (IKEv2).  IKEv2 may
   also be updated to support peer-initiated ERP for optimized
   operation.  Other lower layers may need similar revisions.

Note that this is not new text, and it appears pretty much the same way in RFC 
5296.

There's the obvious nit with this text, that RFC 4306 is not a reference. If it 
was, the id-nits would warn about this RFC being obsolete. But that's the small 
problem here. 

A bigger problem is that this text says that IKEv2 needs to be updated, but 
there is no draft for this update, nor has there been any message to this list 
about this proposed change. 

The simple change they require is to section 3.16:
   o  Code (1 octet) indicates whether this message is a Request (1),
      Response (2), Success (3), or Failure (4).

I think this could be done with an errata or a 1-page draft, if all that was 
required was pass-through of codes (5) and (6). But I think it's more involved 
than that.

There's peer-initiated ERP (which would require peer-initiated IKE?) and 
multiple simultaneous operations. I think it may come to a somewhat larger 
draft.

I think there should be at least a work-in-progress reference for 802.1x and 
IKEv2 before the hokey draft progresses.

Yoav

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