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Re: [tsvwg] ECN encapsulation draft - proposed resolution

Jonathan Morton <chromatix99@gmail.com> Sun, 06 June 2021 03:02 UTC

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From: Jonathan Morton <chromatix99@gmail.com>
In-Reply-To: <290e1624-fa1e-21d7-95fb-90e284c27dd8@bobbriscoe.net>
Date: Sun, 06 Jun 2021 06:02:29 +0300
Cc: Markku Kojo <kojo@cs.helsinki.fi>, David Black <David.Black@dell.com>, "tsvwg@ietf.org" <tsvwg@ietf.org>
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To: Bob Briscoe <ietf@bobbriscoe.net>
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Subject: Re: [tsvwg] ECN encapsulation draft - proposed resolution
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> On 6 Jun, 2021, at 2:06 am, Bob Briscoe <ietf@bobbriscoe.net> wrote:
> 
> Before we do, can we make sure we're all on the same page regarding some basics that I believe are /facts/ about preserving markings when PDU boundaries change. Do you agree with the following table that I asked about earlier:
> 
>                   | marked    marked
>                   | PDUs      bytes
> -------------------+------------------
> preserving prop'n  |  ==        ==
> preserving number  |  !=        ==
> 
> 
> IOW, do you agree that the three that are tagged as '==' are equivalent ways of expressing the same thing, but different from the one tagged '!=' ?

This question just tells me that you are still focusing on the wrong metrics.  The number and/or proportion of marked bytes is IRRELEVANT.  What matters are the number of bytes and/or time interval BETWEEN marks.

I explained this in more detail in my previous post.

 - Jonathan Morton

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