Subject: Re: [Dots] draft-ietf-core-new-block for draft-ietf-dots-telemetry

From: <[email-masked]>
Date: Wed, 26 May 2021 13:07:23 +0000

Hi all,

Now that draft-ietf-core-new-block is almost ready to be sent to the RFC editor, it would be good if we can consider adopting draft-bosh-dots-quick-blocks so that DOTS agents can negotiate Q-Block functionality and make use of it instead of Block1/2.

Cheers,
Med

De : Dots [mailto:[email-masked]] De la part de Jon Shallow
Envoyé : vendredi 12 mars 2021 14:26
À : [email-masked]
Objet : [Dots] draft-ietf-core-new-block for draft-ietf-dots-telemetry

Hi All,

Following the Core meeting at IETF 110 today, https://datatracker.ietf.org/doc/draft-ietf-core-new-block/ which handles sending a CoAP non-confirmable body split over multiple payloads, has passed WGLC, and is waiting for the write-up to progress the document to the IESG.

This draft refers to https://datatracker.ietf.org/doc/html/draft-bosh-dots-quick-blocks-01 for an example mechanism to negotiate the additional congestion control parameters  using the DOTS signal channel configuration mechanism, defining some new YANG/CBOR mapping entries.

This draft has been implemented, available using libcoap and the specific code (not merged) can be found at https://github.com/obgm/libcoap/pull/611  and has been tested in lossy and DOTS environments.

This draft is of significance for the DOTS telemetry draft ( https://datatracker.ietf.org/doc/html/draft-ietf-dots-telemetry-15#section-4.3 ), which needs to be able to continue to send (large) telemetry information under network attack situations.

Regards

Jon

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