[PCN] Concensus questions from Thursday's PCN meeting

Greetings.

There were six concensus questions called during yesterday's PCN
meeting.  Before we call the questions on the list, I want to paraphrase
them and make sure that everyone agrees that this captures the sense of
the discussion.

Q1: As an initial standardization activity, should the PCN wg produce a
    standards-track PCN scheme that requires only two encoding states?
    (Note: this question does not presume that the solution is Single
    Marking).

Q2: Should the PCN wg produce an experimental-track extension to the
    standards-track PCN scheme that requires another encoding state (for
    a total of three encoding states)?

Q3: Does the working group have enough information to make a decision
    about the way forward for the standards-track PCN scheme?

Q4: Should the standards-track PCN scheme require (as a MUST implement
    feature) that interior PCN routers support Excess-Rate marking,
    according to the particular method of handling already marked 
    packets and drops described in Anna Charny's presentation?
    http://www3.ietf.org/proceedings/08mar/slides/pcn-6.pdf

Q5: Should the standards-track PCN scheme require (as a MUST implement
    feature) that interior PCN routers support Threshold marking (in
    addition to Excess-Rate marking), according to the particular method
    described in Philip Eardley's presentation on Tuesday?
    http://www3.ietf.org/proceedings/08mar/slides/pcn-4.pdf

Q6: If presented with sufficient evidence in a timely fashion, would
    the PCN wg entertain the option of modifying the interior router
    Excess-Rate marking behavior for the standards-track PCN scheme (as
    described in question 4)?

Please send comments to the list.

Regards,

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Steven Blake                <steven.blake@ericsson.com>
Ericsson/Redback Networks               +1 919-472-9913

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