Re: [apps-discuss] R: Last Call Expired: <draft-ietf-ipfix-flow-selection-tech-14.txt>

Benoit Claise <bclaise@cisco.com> Mon, 15 April 2013 09:44 UTC

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Date: Mon, 15 Apr 2013 11:42:47 +0200
From: Benoit Claise <bclaise@cisco.com>
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To: "Salvatore D'Antonio" <salvatore.dantonio@uniparthenope.it>
References: <20130401072846.32360.9502.idtracker@ietfa.amsl.com> <5162C44B.5030904@cisco.com> <005701ce3538$8f0b3480$ad219d80$@dantonio@uniparthenope.it>
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Cc: rahulp@cisco.com, 'IETF discussion list' <ietf@ietf.org>, draft-ietf-ipfix-flow-selection-tech@tools.ietf.org, apps-discuss@ietf.org, 'General Area Review Team' <gen-art@ietf.org>, 'S Moonesamy' <sm+ietf@elandsys.com>, ipfix-chairs@tools.ietf.org, ipfix@ietf.org, iesg@ietf.org, "'Joel M. Halpern'" <jmh@joelhalpern.com>, "'A. Jean Mahoney'" <mahoney@nostrum.com>
Subject: Re: [apps-discuss] R: Last Call Expired: <draft-ietf-ipfix-flow-selection-tech-14.txt>
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Salvatore
>
> Dear all,
>
> A new version of the Internet Draft on Flow Selection Techniques has 
> been submitted. It contains the following changes:
>
> -A new section illustrating the difference between Intermediate Flow 
> Selection Process and Intermediate Selection Process has been added,
>
> -The sentence "In order to be compliant with this document, at least 
> the Property  Match Filtering MUST be implemented." has been removed 
> in Section 1,
>
> -“MUST” has been replaced with “SHOULD” in Section 5.1,
>
Actually, the feedback was:

    In Section 1:

       "In order to be compliant with this document, at least the Property
        Match Filtering MUST be implemented."

    The above text is repeated in Section 5.1.  I suggest removing this
    sentence as it does not seem related to scope.

    My reading of the "MUST" is that it is being used for compliance
    instead of the reasons described in RFC 2119.  I suggest reviewing
    the usage of RFC 2119 key words in Section 5.1.

So the solution is not to change MUST to SHOULD.
The question is whether "MUST" versus "must" must be used.
I understand the concern. For compliance reason with the PSAMP RFC 5475 
(which is closely related) ...


        7 <http://tools.ietf.org/html/rfc5475#section-7>. Parameters for
        the Description of Selection Techniques

        This section gives an overview of different alternative selection
        schemes and their required parameters.  In order to be compliant with
        PSAMP, at least one of proposed schemes MUST be implemented.

... I would keep the initial "MUST" from the previous draft version.

> -“The flowSelectorAlgorithm registry is maintained by IANA." has been 
> replaced with “IANA is requested to create the flowSelectorAlgorithm 
> registry.”
>
> -The sentence "The registry can be updated when specifications of the 
> new  technique(s) and any new Information Elements are provided." has 
> been removed since it did not clarify how the registry will be managed.
>
> - Section 6.1.1 “Property Match Filtering” has been changed by adding 
> some text on how Property Match Filtering can be  used by an 
> Intermediate Flow Selection Process in the Metering Process, in the 
>  Exporting Process and within an IPFIX Mediator.
>
When publishing a new version, please correct this editorial issue.

  " ... and Flow duration. in
    the An example is the selection of the largest ..."


> Best regards,
>
> Salvatore
>
> *Da:*Benoit Claise [mailto:bclaise@cisco.com]
> *Inviato:* lunedì 8 aprile 2013 15:21
> *A:* draft-ietf-ipfix-flow-selection-tech@tools.ietf.org
> *Cc:* ipfix-chairs@tools.ietf.org
> *Oggetto:* Fwd: Last Call Expired: 
> <draft-ietf-ipfix-flow-selection-tech-14.txt>
>
> Dear authors,
>
> The IETF last call has finished.
> Can you please update your draft based on the feedback received.
> Then I will progress it.
>
> Regards, Benoit
>
>
>
> -------- Original Message --------
>
> *Subject: *
>
> 	
>
> Last Call Expired: <draft-ietf-ipfix-flow-selection-tech-14.txt>
>
> *Date: *
>
> 	
>
> Mon, 01 Apr 2013 00:28:46 -0700
>
> *From: *
>
> 	
>
> DraftTracker Mail System <iesg-secretary@ietf.org> 
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> *To: *
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> 	
>
> iesg@ietf.org <mailto:iesg@ietf.org>, ipfix-chairs@tools.ietf.org 
> <mailto:ipfix-chairs@tools.ietf.org>, 
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> I-D: <draft-ietf-ipfix-flow-selection-tech-14.txt>
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>   
> IETF Last Call has ended, and the state has been changed to
> Waiting for AD Go-Ahead.
>   
>   
>   
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