Re: [aqm] AQM and ECN in draft-ietf-aqm-recommendation-11

Mirja Kühlewind <mirja.kuehlewind@tik.ee.ethz.ch> Thu, 23 April 2015 14:17 UTC

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Date: Thu, 23 Apr 2015 16:15:47 +0200
From: Mirja Kühlewind <mirja.kuehlewind@tik.ee.ethz.ch>
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Subject: Re: [aqm] AQM and ECN in draft-ietf-aqm-recommendation-11
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I meant draft-ietf-aqm-ecn-benefits-03 (not draft-welzl-ecn-benefits-02) though...

On 23.04.2015 13:56, Mirja Kühlewind wrote:
> Hi again,
>
> I still know I'm late but there are two more points:
>
> draft-welzl-ecn-benefits-02 says:
> "Network devices must not drop
>      packets solely because these codepoints are used [RFC2309.bis]"
> and
> "A network device should therefore not
>      remark an ECT(0) or ECT(1) mark to zero [RFC2309.bis]."
>
> I could not find this recommendation in draft-ietf-aqm-recommendation-11, at
> least not in the section 4.2.1 (AQM and ECN), but it should be in there (and
> should actually say: a network device MUST NOT remark, ECT(0), ETC(1) or CE to
> zero)...?
>
> Mirja
>
>
>
>
>
> On 23.04.2015 13:19, Mirja Kühlewind wrote:
>> Hi all,
>>
>> I know I'm too late for this but want to bring it up anyway:
>>
>> draft-ietf-aqm-recommendation-11 currently says:
>> "An AQM algorithm that supports ECN needs to define the threshold and
>>       algorithm for ECN-marking.  This threshold MAY differ from that used
>>       for dropping packets that are not marked as ECN-capable, and SHOULD
>>       be configurable."
>>
>> But I think it should be:
>> "An AQM algorithm that supports ECN needs to define the parameters and
>>       algorithm for ECN-marking.  These parameters MAY differ from that used
>>       for dropping packets that are not marked as ECN-capable, and SHOULD
>>       be configurable."
>>
>> so just s/threshold/parameters/  ...?
>>
>> I've just caught this now because I'm reading draft-welzl-ecn-benefits-02;
>> sorry. Maybe it's still possible to make such a small edit... if other people
>> think as well that this should be changed...?
>>
>> Mirja
>>
>>
>> _______________________________________________
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>> aqm@ietf.org
>> https://www.ietf.org/mailman/listinfo/aqm
>>
>

-- 
------------------------------------------
Dipl.-Ing. Mirja Kühlewind
Communication Systems Group
Institute TIK, ETH Zürich
Gloriastrasse 35, 8092 Zürich, Switzerland

Room ETZ G93
phone: +41 44 63 26932
email: mirja.kuehlewind@tik.ee.ethz.ch
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