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

<Basavaraj.Patil@nokia.com> Thu, 28 April 2011 16:17 UTC

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From: <Basavaraj.Patil@nokia.com>
To: <sarikaya@ieee.org>, <PM@rtx.dk>, <alexandru.petrescu@gmail.com>, <6lowpan@ietf.org>
Thread-Topic: [6lowpan] IPv6 over DECT Ultra Low Energy
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Date: Thu, 28 Apr 2011 16:16:43 +0000
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Subject: Re: [6lowpan] IPv6 over DECT Ultra Low Energy
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Behcet,

On 4/28/11 11:00 AM, "ext Behcet Sarikaya" <behcetsarikaya@yahoo.com>
wrote:

>
>
>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.

Why? Do you have good reasoning why BT-LE for example should not be work
undertaken by the 6lowpan WG?
6lowpan is not air-interface specific,.
Your comments are anyway redundant since the WG decided at IETF80 to take
on the work of specifying IPv6 over BT-LE.

-Raj

> 
>
>  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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