Re: [tsvwg] Fwd: New Version Notification for draft-heist-tsvwg-ecn-deployment-observations-00.txt

Mirja Kuehlewind <mirja.kuehlewind@ericsson.com> Fri, 19 February 2021 11:44 UTC

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From: Mirja Kuehlewind <mirja.kuehlewind@ericsson.com>
To: Pete Heist <pete@heistp.net>, TSVWG <tsvwg@ietf.org>
Thread-Topic: [tsvwg] Fwd: New Version Notification for draft-heist-tsvwg-ecn-deployment-observations-00.txt
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Subject: Re: [tsvwg] Fwd: New Version Notification for draft-heist-tsvwg-ecn-deployment-observations-00.txt
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Hi Pete,

thanks for putting this together and sharing!

I have one question on the data. Maybe I'm not readying this correctly but if I look at the big table at the end, then I see a lot of cases where there are much more CE marks than ECT(0) marks. That's a bit unexpected as usually an AQM should only mark a small portion of the packets. Or do I interpret the data there incorrectly?

Mirja



On 18.02.21, 17:38, "tsvwg on behalf of Pete Heist" <tsvwg-bounces@ietf.org on behalf of pete@heistp.net> wrote:


    > A new version of I-D, draft-heist-tsvwg-ecn-deployment-observations-00.txt
    > has been successfully submitted by Peter G. Heist and posted to the
    > IETF repository.
    > 
    > Name:		draft-heist-tsvwg-ecn-deployment-observations
    > Revision:	00
    > Title:		Explicit Congestion Notification (ECN) Deployment Observations
    > Document date:	2021-02-18
    > Group:		Individual Submission
    > Pages:		27
    > URL:            https://www.ietf.org/archive/id/draft-heist-tsvwg-ecn-deployment-observations-00.txt
    > Status:         https://datatracker.ietf.org/doc/draft-heist-tsvwg-ecn-deployment-observations/
    > Html:           https://www.ietf.org/archive/id/draft-heist-tsvwg-ecn-deployment-observations-00.html
    > Htmlized:       https://tools.ietf.org/html/draft-heist-tsvwg-ecn-deployment-observations-00
    > 
    > Abstract:
    >   This note presents data gathered at an Internet Service Provider's
    >   gateway on the observed deployment and usage of ECN.  Relevant IP
    >   counter and flow tracking data was collected and analyzed for TCP and
    >   other protocols.

    This draft adds some data on the current usage of ECN. It was gathered over several weeks at a cooperative ISP with around 660 members, and looks at ECN endpoint activity, AQM deployment and ECN usage on non-TCP protocols. While this study is still relatively small, it’s hopefully at least a little more useful than the stateless counter data I posted late last year, which should set the bar suitably low… :)

    Pete