Thank you.  Comment following your clarification.
Joel

Lakshminath Dondeti wrote:
...
>>     The one thing that bothers me a little is the intended status of 
>> this document.  Given that the EMSK is entirely inside a system, and 
>> that therefore the actual generation process is internal to that 
>> system, I am not sure that a registry tied to the specifics of the 
>> generation mechanism, is appropriate.  A lot of this document is of 
>> the form "if you don't define it some other way, do this."  While very 
>> useful text, it actually doesn't seem to affect on-the-wire 
>> interoperability.  So I wonder if this whole document is more 
>> informational than "proposed standard?"  I'm not sure on this, but the 
>> containment property did strike me reading the document.
> 
> The peer and the server need to arrive at the same derivations.  The 
> keynames derived as specified in this document would be used in 
> protocols specified elsewhere to refer to the keys derived independently 
> at both ends.  So, whereas there are no "on the wire" packet formats in 
> this document, other documents will put information derived as specified 
> in this document in their packets.

That does make for a good reason for PS.   I am however then confused by 
the description that the EMSK never leaves the server.  I presume that 
this relates to other aspects of EAP that I am not familiar with.  You 
may want to see if there is a way to phrase it that makes it a bit 
clearer.  But given what you say, this is another minor issue, not a big 
deal.
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