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Re: [Lwip] Last Call: <draft-ietf-lwig-tcp-constrained-node-networks-10.txt> (TCP Usage Guidance in the Internet of Things (IoT)) to Informational RFC

Ted Lemon <mellon@fugue.com> Wed, 16 September 2020 14:05 UTC

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From: Ted Lemon <mellon@fugue.com>
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Date: Wed, 16 Sep 2020 10:05:43 -0400
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Cc: Erik Kline <ek.ietf@gmail.com>, draft-ietf-lwig-tcp-constrained-node-networks@ietf.org, lwig-chairs@ietf.org, lwip@ietf.org
To: last-call@ietf.org
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Subject: Re: [Lwip] Last Call: <draft-ietf-lwig-tcp-constrained-node-networks-10.txt> (TCP Usage Guidance in the Internet of Things (IoT)) to Informational RFC
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On Sep 16, 2020, at 10:01 AM, Ted Lemon <mellon@fugue.com> wrote:
> To a first approximation, this document is harmful garbage. It recommends larger mss. Probably not based on opex.

Wow, my first reply-all screwup in ages, and it was pretty bad. Really sorry about this—I did not intend to be this transparent on a public mailing list, and I hope my first impression is wrong. But with that said, that is my first impression, and I will be giving the document further review. It’s very disappointing to me that lwig has come out with this without, as far as I can tell, any reference to existing research that shows that MSS of greater than perhaps five lowpan frames is quite harmful.

Could the authors common on what operational experience this document is based on?

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