Re: [6lowpan] IPv6 over DECT Ultra Low Energy

Behcet Sarikaya <behcetsarikaya@yahoo.com> Thu, 28 April 2011 16:00 UTC

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Date: Thu, 28 Apr 2011 09:00:21 -0700 (PDT)
From: Behcet Sarikaya <behcetsarikaya@yahoo.com>
To: Peter Mariager <PM@rtx.dk>, Alexandru Petrescu <alexandru.petrescu@gmail.com>, "6lowpan@ietf.org" <6lowpan@ietf.org>
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Cc: Jens Toftgaard Petersen <JTP@rtx.dk>
Subject: Re: [6lowpan] IPv6 over DECT Ultra Low Energy
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Hi all,
  6lowpan on links other than IEEE 802.15.4 is different and can not be 
considered as left-over work in 6lowpan WG, IMHO. 

  As such, it would probably be better to look for other ways such as a BoF. 
6lowpan over Bluetooth seems to fall into this category as well :-).

My 2 cents.

Behcet

> Hi Alex
> 
> Let me try to answer...
> 
> There is a well defined reliable  data transport (DPRS) specification for 
>packet traffic. This could potentially  be used to transport e.g. 802.3 or IP 
>frames to a "Portable Part" (PP - the  "handset" / end node in DECT terms).
> 
> Besides, in the newest DECT CAT-iq  specification v3.0 (TS 102 527-4) it has 
>also been specified how to terminate  the full TCP/IP stack in the gateway (DECT 
>Fixed Part - the base station) and  relay a subset of HTTP over to the portable 
>part (intended for e.g. software  upgrade over the air).
> The problem here is that the DECT base station then  has to be (mildly) 
>application aware.
> 
> The above mechanism are also only  defined for "classic" DECT and without any 
>power limitations in mind.
> 
> I  would like to enable true IP stack termination in the Portable Part and  
>specifically tailored to fit the low resource channel of DECT ULE.
> 
> When  such an adaptation layer has been defined it could easily be applied to  
>"classic" DECT / CAT-iq as well.
> 
> Best Regards, 
> Peter  Mariager
> 
> 
> -----Original Message-----
> From: 6lowpan-bounces@ietf.org [mailto:6lowpan-bounces@ietf.org] On Behalf  Of 
>Alexandru Petrescu
> Sent: 27. april 2011 18:10
> To: 6lowpan@ietf.org
> Subject: Re: [6lowpan]  IPv6 over DECT Ultra Low Energy
> 
> Do we have an idea whether IP (not IPv6,  just IP) already works somehow
> over DECT?
> 
> For example, ss there a  product DECT telephone using TCP/IP, and display
> some data on  LCD?
> 
> Alex
> 
> Le 27/04/2011 10:14, Peter Mariager a écrit :
> >  Gentlemen,
> >
> > I am very pleased to see 6LoWPAN being considered and  developed for
> > other wireless standards.
> >
> > I would like to  propose the development of a 6LoWPAN adaptation layer
> >  for DECT  Ultra Low Energy (ULE), as DECT can also be a very strong
> > platform for  the "internet of things" due to the number of networks
> > being deployed  annually.
> >
> > DECT ULE is in many ways similar to BTLE (short packet  size, network
> >  topology etc), but also has some unique properties  compared to other
> >  wireless short-range standards which I believe  makes it worthwhile
> > to develop a 6LoWPAN adaptation  layer.
> >
> > DECT ULE MAC/PHY is currently being specified by ETSI so  there will
> > shortly be an interoperable radio interface.
> >
> >  Yesterday, I submitted an I-D version 0 for IPv6 transmission over
> > DECT  ULE.
> >
> > This is still very much work in progress but I would like  to have a
> > frame for the specification work or at least make sure it is  aligned
> >  with any initiatives to make a common 6LoWPAN adaptation  layer (as
> > discussed in this WG).
> >
> > Comments are much  appreciated.
> >
> > Best Regards, Peter  Mariager
> >
> >
> >
> >  _______________________________________________ 6lowpan mailing list
> > 6lowpan@ietf.org https://www.ietf.org/mailman/listinfo/6lowpan
> 
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