Re: Benoit Claise's No Objection on draft-ietf-bmwg-traffic-management-04: (with COMMENT)

Thanks Barry for addressing my comments.

A minor editorial change with the following sentence

    WebRTC, SS7 signaling, and 3gpp are
    examples of SCTP protocols that could be modeled with this
    framework to benchmark SCTP's effect on traffic management
    performance.

They use SCTP but are not SCTP


Regards, Benoit


> Hello Benoit,
>
> Thank you for providing comments on the draft, specifically the references to aqm work, applicability to SCTP, etc.
>
> They were all meaningful and we incorporated them into the -05 version that was just posted
>
> Thank you,
> Barry and Ramki
>
>
> -----Original Message-----
> From: Benoit Claise [mailto:[email protected]]
> Sent: Tuesday, May 26, 2015 1:28 PM
> To: The IESG
> Cc: [email protected]; [email protected]; [email protected]; [email protected]; [email protected]; [email protected]
> Subject: Benoit Claise's No Objection on draft-ietf-bmwg-traffic-management-04: (with COMMENT)
>
> Benoit Claise has entered the following ballot position for
> draft-ietf-bmwg-traffic-management-04: No Objection
>
> When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.)
>
>
> Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html
> for more information about IESG DISCUSS and COMMENT positions.
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>
> The document, along with other ballot positions, can be found here:
> https://datatracker.ietf.org/doc/draft-ietf-bmwg-traffic-management/
>
>
>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> Section 6.2.1 Queue/Scheduler Individual Tests Overview I understand that is not finished work, but do we need to say a few words about codel and pie http://datatracker.ietf.org/doc/draft-ietf-aqm-pie/ and http://datatracker.ietf.org/doc/draft-ietf-aqm-codel/
>
> - More of a transport AD question:
> "To this end, the stateful tests will use TCP test patterns to emulate applications."
> Do we need to emulate any applications on SCTP test patterns?
> Asking the transport ADs about which deployed protocols use SCTP, their answer was: WebRTC, SS7 signalling in 3gpp mobile networks.
>
>
> Editorial:
>
> - Section 1:
>
>     Specifically, this framework defines the methods to characterize
>     the capacity of the following traffic management features in network
>     devices; classification, policing, queuing / scheduling, and
>     traffic shaping.
>
> Section 1.2
>
>     This testing framework describes the tests and metrics for each of
>     the following traffic management functions:
>     - Policing
>     - Queuing / Scheduling
>     - Shaping
>
> I would add classification to that list.
>
> -  Section 1.2
>      "Note the NDE SHOULD be used in "full pipe" delay mode."
>
> I don't know what "full pipe" delay mode is
>
> - OLD:
> It is not within scope of this of this framework to specify
> NEW:
> It is not within scope of this framework to specify
>
>
>
> - General observation. This is one of these documents where too many acronyms make it difficult to read (and I have some QoS background)
> Ex: "The tests will verify that the network device can handle the CIR with CBS and the EIR with EBS
> Note: I don't expect any action on this remark
>
> - Section 6:
>
>     Each test SHOULD compare the network device's internal statistics
>     (available via command line management interface, SNMP, etc.) to the
>     measured metrics defined in section 4.
>
> FYI. Most MIB interface/QoS counters are not updated real-time in routers. 10 sec for interface stats is common.
> So no real-time monitoring is possible.
>
> - two instances of tester*: not sure what they mean
>      configure the tester* to generate a profile of emulated of an application traffic mixture
>
>

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