Re: [ippm] Comment on draft-ietf-ippm-owdp-14

"nick kinraid" <nick.kinraid@alliedtelesyn.co.nz> writes:

> In section 3.5, page 16, 2nd to last paragraph:
> "Otherwise, SID is a unique server-generated session identifier." ,
> referring to the case when conf-receiver was set.
> 
> However on page 17, top paragraph:
> "Note that SID is always chosen by the reciever."

Nick,

Thanks for writing this down.  Is this the same problem that Sharee
mentioned during the physical meeting or should I pursue her bug
report separately?  (I'm not in Vancouver.)

> Previous statments in the document refer to the receiving side
> generating the SID, so maybe the first sentence is incorrect and can
> be changed to read 'session-receiver generated...".

The key is the sentence preceding the first quote.  Here's the context:

#   If only Conf-Sender was set, the SID field in the response is unused.
#   Otherwise, SID is a unique server-generated session identifier.  It
#   can be used later as handle to fetch the results of a session.

I believe the text is correct.  It is also more clear than it would be
if it were changed---because the change would remove useful
information.  More importantly, the change would make the sentence
wrong (in a minor way): the SID is not generated by the receiver,
which might have no clue about OWAMP-Control or SIDs, but, indeed, by
a party participating in the OWAMP-Control exchange---the server in
this case.

SID is always generated by the side of OWAMP-Control responsible for
the receiver.  This formalizes the condition and tells the implementor
when this side is the server.

-- 
Stanislav Shalunov		http://www.internet2.edu/~shalunov/

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