I'm concerned that these ranges are too similar, and the distinction would be short-lived.

I expect devices to persistently operate differently when their parameters are at least 2 order of magnitudes different.

The numbers below are so close that they will change and thus likely overlap over timescales that are too short, IMO, for the IETF to be concerned.

(i.e., there was a time when the difference between 4KB and 8KB was important; now it's irrelevant)

Joe

On 1/24/2012 8:25 AM, Hannes Tschofenig wrote:
Hey guys,

after sending the workshop announcements to a few working groups I was
asked what I mean by "constrained" device.

I responded with a pointer to the classification Carsten proposed in
http://tools.ietf.org/html/draft-bormann-lwig-guidance-00:

+---------+-----------------------+-------------------------+
| Name | data size (e.g., RAM) | code size (e.g., Flash) |
+---------+-----------------------+-------------------------+
| Class 1 | ~ 10 KiB | ~ 100 KiB |
| | | |
| Class 2 | ~ 50 KiB | ~ 250 KiB |
+---------+-----------------------+-------------------------+

During the IAB technical plenary at the last IETF meeting Jari claimed
that we need to have a Class 0 here as well to cover his sensor deployment.

Any thoughts about this classification?

Ciao
Hannes


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