Re: [Lwip] Discussion about IoT Device Classes

On Thu, Jan 26, 2017 at 7:38 AM, Carsten Bormann <cabo@tzi.org> wrote:
> Sure.  We started that discussion a few IETFs ago and have a bis draft out at
> draft-bormann-lwig-7228bis.
>
> (I’m not sure that I will be in Chicago, but I could join from remote.)
>
> One thing that needs to be added before even discussing these device classes is the difference between micro controllers (which you have been calling M-class) and general purpose computing platforms (A-class).  Proposed text for that should be in the next version of 7228bis.
>

If I get it right, the M-class and A-class are mirroring to the modem-
and application- core.  But I am not sure what are the major
difference in implementing an IP layer stack on the two different
architectures. (that's something possible of interest to a larger
audience)

Best regards,
Zhen

>
>> On 25 Jan 2017, at 23:12, Hannes Tschofenig <hannes.tschofenig@gmx.net> wrote:
>>
>> Hi all,
>>
>> https://tools.ietf.org/html/rfc7228#section-3 defines these three
>> classes of IoT devices:
>>
>>     +-------------+-----------------------+-------------------------+
>>     | Name        | data size (e.g., RAM) | code size (e.g., Flash) |
>>     +-------------+-----------------------+-------------------------+
>>     | Class 0, C0 | << 10 KiB             | << 100 KiB              |
>>     |             |                       |                         |
>>     | Class 1, C1 | ~ 10 KiB              | ~ 100 KiB               |
>>     |             |                       |                         |
>>     | Class 2, C2 | ~ 50 KiB              | ~ 250 KiB               |
>>     +-------------+-----------------------+-------------------------+
>>
>> Is there an interest to get together at the next IETF meeting and to
>> talk about re-working on these classes and to provide more details about
>> the functionality that is included in this calculation based on ongoing
>> implementation work?
>>
>> Ciao
>> Hannes
>>
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