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[6tsch] R: 1c "Why is this a problem? " BoF slides

"Alfredo Grieco" <alfredo.grieco@gmail.com> Mon, 22 July 2013 12:50 UTC

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From: "Alfredo Grieco" <alfredo.grieco@gmail.com>
To: "'Qin Wang'" <qinwang@berkeley.edu>
References: <CADJ9OA9GpdK8BCONDVNZ-ay1d+4Jnr_ea3OKEK_X6pKubt2vEA@mail.gmail.com> <CAAzoce5jHS16QsyE0Gs5CUQca6-oukOjLs6a1NZb=ckM7JfjOA@mail.gmail.com> <CAM4EQiO47BeCj3ihs_j5CM4sU5NJjvJuvx7XsBQvGNadJjr6HA@mail.gmail.com> <CAAzoce7AoLW14=BYpN5Fx4SLN_bmjiAxoOzJoRyxrPu5z_NOdw@mail.gmail.com> <CAM4EQiM2mVGHSyk+C40q_WLf0zkrkxPxunXSBhDhntGqF5y=dg@mail.gmail.com> <CAAzoce5RcroOMR6gmtYFXdkgZTiv2tfTXCJvd1gLMXxCo9+Pjg@mail.gmail.com>
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Date: Mon, 22 Jul 2013 14:50:23 +0200
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Cc: '6TSCH' <6tsch@ietf.org>
Subject: [6tsch] R: 1c "Why is this a problem? " BoF slides
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Hi Qin,

Sorry for the late reply.

If you go to Sec. 6 of the architecture draft
(http://tools.ietf.org/html/draft-thubert-6tsch-architecture-02) we
explicitly say that ISA100.11a and WiHart could interoperate with a 6tsch
lln.

In this sense, we move from competing to interoperating standards.

Does it sound for you ?

Thanks

Alfredo





Da: Qin Wang [mailto:qinwang@berkeley.edu] 
Inviato: Friday, July 19, 2013 10:35 PM
A: Alfredo Grieco
Cc: Thomas Watteyne; 6TSCH; Pascal Thubert (pthubert)
Oggetto: Re: [6tsch] 1c "Why is this a problem? " BoF slides

Alfredo,

Thank you for clarifying. But, I'm still confused. Maybe I missed something.
Can you tell me what you mean by "competing stds"? 

Thanks!
Qin

On Sat, Jul 20, 2013 at 4:21 AM, Alfredo Grieco <alfredo.grieco@gmail.com>
wrote:
Qin,

I was saying the opposite: 6top goes on top. 

There was a nice picture shown by Pascal in one of our weekly call several
weeks ago.

Of course, the point you raise about ipv6 taking advantage from tsch is ok.

Cheers

Alfredo

On Friday, July 19, 2013, Qin Wang wrote:
Hi Alfredo,

I don't think  WirelessHart and ISA100.11a can be added on top of 6top. The
reasons are:

(1) They have their own and different protocol stacks.
(2) They use Timeslotted channel hopping technology, but not IEEE802.15.4e
TSCH.

So, according to my understanding, the problem is how IPv6 protocol stack
can take advantage of TSCH, which has been proven good and standardized by
IEEE.

Thought?
Qin


On Sat, Jul 20, 2013 at 3:33 AM, Alfredo Grieco <alfredo.grieco@gmail.com>
wrote:
Dear Qin,

As far as I remember, it could be also possible to embrace other
technologies by adding on top of them 6top. No need to replace but include
other technologies.

Cheers

Alfredo


On Friday, July 19, 2013, Qin Wang wrote:
Hi Thomas and All,

The first item of problems in the slide is: 

      Customer dissatisfaction with competing stds
      -> no device interop, double opex 
      -> lack of common network management
What does "competing stds" refer to? Referring to existing standards like
WirelessHart, ISA100.11a, or something else? From the statement, it may be
derived that 6TSCH WG wants to create a common standard to replace the
competing standards. It is not our objective, right?
Maybe I misunderstand something. Please point out.
Thanks
Qin





On Sat, Jul 20, 2013 at 12:10 AM, Thomas Watteyne
<watteyne@eecs.berkeley.edu> wrote:
All,

FYI, I pushed the 1c "Why is this a problem? " BoF slides we modified live
during the webex onto the repo. You'll find the latest version at
https://bitbucket.org/6tsch/meetings/src/master/130730_ietf-87_berlin

Thomas

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