Dear Mister Bormann,

Thank you for your comprehensive reply.


> From a technical point of view, the whole point of running the 6LoWPAN WG for 
> the last half-decade was to exactly make IPv6 available for constrained 
> node/networks.  That may not take away those constraints, and if you want to 
> sell something else, it may make sense to proclaim it silly.  Here, 
> specifically, the guy is selling a radio that is different from 802.15.4, so 
> he's trying to malign 802.15.4, striking 6LoWPAN in passing.
>
> I would prefer to discuss these things from a technical angle, not by 
> pointing to content-free marketing sites/slides.

If you remember my first mail on this mailing-list, I was explicitly
asking what you called a "constrained node". Because, to quote :

http://tools.ietf.org/html/draft-bormann-lwig-guidance-01

"Generic hardware design advice and software implementation techniques
are outside the scope of this document."

This is totally no sense. In deeply embedded environments, we also
need a bottom-top approach, hence my request.

Especially, we can see that the people on this mailing-list (and on
the contiki's one as well) need a serious course in Electrical
Engineering before dreaming of designing the "Internet of the Future".

By the way, I have absolutely no affiliation with the DASH7 project.
But, I should admit that Mister Norair made something that too few
people are doing : his homeworks :)


> Anyway, for those who can't see this in their mail clients: the sentence with 
> "From" is mine, not from the source cited by Guillaume.  Sorry for the 
> confusion.
>

No problem on my side : I am using Gmail :)


Best Regards,

Guillaume FORTAINE



On Thu, Jan 26, 2012 at 6:49 PM, Carsten Bormann <[email protected]> wrote:
> On Jan 26, 2012, at 18:23, Guillaume Fortaine wrote:
>
>> Dear Dr Bormann,
>>
>> Thank you for your reply.
>>
>>
>>> 6LoWPAN *is* plain IPv6.
>>> I have no idea what the sentence that you are quoting is trying to say.
>>
>> With all the due respect, it seems that some people don't agree with you :
>
> Sure, some people even think that SOPA is a good idea.
>
>> http://dash7.org/blog/?p=1782
>>
>> "(N.B. Ironically, 6LoWPAN, a wireless spec written specifically to
>> allow IPv6 over low power wireless, is kind of silly, because it is
>> 802.15.4 based and hence it is largely incapable of achieving any of
>> the useful features of IPv6.)"
>
>
> From a technical point of view, the whole point of running the 6LoWPAN WG for 
> the last half-decade was to exactly make IPv6 available for constrained 
> node/networks.  That may not take away those constraints, and if you want to 
> sell something else, it may make sense to proclaim it silly.  Here, 
> specifically, the guy is selling a radio that is different from 802.15.4, so 
> he's trying to malign 802.15.4, striking 6LoWPAN in passing.
>
> I would prefer to discuss these things from a technical angle, not by 
> pointing to content-free marketing sites/slides.
>
> Grüße, Carsten
>
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