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Re: [lp-wan] [lpwan] doubts and correction about schc_streaming draft

Sergio Aguilar Romero <sergio.aguilar.romero@upc.edu> Fri, 12 May 2023 05:46 UTC

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From: Sergio Aguilar Romero <sergio.aguilar.romero@upc.edu>
In-Reply-To: <CALJ+G3VKHe5A8XrYpNqUWm7azZYYcoOccxJZJ7_E=ew4jVKJDQ@mail.gmail.com>
Date: Fri, 12 May 2023 07:46:32 +0200
Cc: lp-wan <lp-wan@ietf.org>, draft-aguilar-lpwan-schc-streaming@ietf.org, Sandra Cespedes <sandra.cespedes@concordia.ca>, schc@ietf.org
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To: Rodrigo Muñoz Lara <rmunozlara@ing.uchile.cl>
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Subject: Re: [lp-wan] [lpwan] doubts and correction about schc_streaming draft
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Hello Rodrigo,

I am cc de SCHC working group mailing list. Also I have uploaded the draft to the SCHC WG.

My comments in line.

Thanks a lot for your review.

Let me know anything else.

Cheers,

Sergio and Carles


> On May 2, 2023, at 8:35 PM, Rodrigo Muñoz Lara <rmunozlara@ing.uchile.cl> wrote:
> 
> Hi all.
> 
> I've reviewed the draft "draft-aguilar-lpwan-schc-streaming-00" and I've some doubts:
> 
>  * Must be the size of a sensor measurement equal to the SCHC fragment's payload? e.g., if the size measurement is 100 bytes, and the MTU is 222 bytes (AU915-928 DR5) Can I put two measurements in a SCHC fragment?
> 

First the idea was to proposed the method for single measurements in a SCHC fragment payload and then extended to more than one measurement per SCHC fragment or half a measurement, in case you need two SCHC fragments for a single measure.

We can discuss how this can be done and the details that need to be added to the draft.


> Corrections:
> 
> In Figure 2, the SCHC fragment with parameters (DTag= 0, W=3, FCN=0) is wrong. Says: DTag= 0, W=2, FCN=0. Must says DTag= 0, W=3, FCN=0
> 

I will publish a version 01 with this changes.


> I will continue to review
> 
> Thanks
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