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Re: [Roll] RPLinfo review

Ines Robles <mariainesrobles@googlemail.com> Tue, 24 May 2016 10:43 UTC

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Date: Tue, 24 May 2016 13:42:57 +0300
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From: Ines Robles <mariainesrobles@googlemail.com>
To: "consultancy@vanderstok.org" <consultancy@vanderstok.org>
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Cc: Routing Over Low power and Lossy networks <roll@ietf.org>
Subject: Re: [Roll] RPLinfo review
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btw, I just found a proposed approach for interaction between RPL Instances

Barcelo, Marc, Alejandro Correa, Jose Lopez Vicario, and Antoni Morell.
"Cooperative interaction among multiple RPL instances in wireless sensor
networks." *Computer Communications* (2015).

Cheers,

Ines.

2016-05-24 13:26 GMT+03:00 Ines Robles <mariainesrobles@googlemail.com>:

> Ah, got it, thank you very much.
>
> Ines
>
> 2016-05-24 13:22 GMT+03:00 peter van der Stok <stokcons@xs4all.nl>:
>
>> Hi,
>>
>> that means writing "one RPL instance" in figure 3 in stead of "RPL
>> instance" to remove that ambiguity.
>> Writing in the use case section a phrase as the one below will be more
>> than sufficient for me.
>>
>> peter
>>
>> Ines  Robles schreef op 2016-05-24 12:16:
>>
>> Hi,
>>>
>>> Thanks for the clarification.
>>>
>>> We are just considering here one RPLInstance.
>>>
>>> Working with different RPLInstances, involves deeply analysis, which
>>> we could do in the future. But, actually I dont know if it is
>>> possible/useful to send a message from one RPL Instance to another one
>>> , since for example a RPL node may belong to multiple RPL Instances,
>>> and it may act as a router in some and as a leaf in others[1], for
>>> this reason it does not make sense to me sending packet from one
>>> RPLInstance to other RPLInstance. Besides the control messages has one
>>> field for RPLInstanceID, it does not have RPLInstanceID origen or
>>> RPLInstanceID dst.
>>>
>>> What do you think?
>>>
>>> Thank you,
>>>
>>> Ines
>>>
>>> [1] RFC6550. Section 5. RFC 6550 describes only how a single instance
>>> behaves
>>>
>>> 2016-05-24 12:17 GMT+03:00 peter van der Stok <stokcons@xs4all.nl>:
>>>
>>> I also did not see a mapping of flow from one RPL instance to
>>>> another instance.
>>>>
>>>> I do not understand this. Could you please clarify?
>>>>
>>>
>>>  A node belonging to one RPL instance sends a message to a node
>>> belonging to another RPL instance.
>>> This seems possible in Figure 3, with 3 RPL instances?
>>>
>>> If possible, it means an additional use case.
>>>
>>> Peter
>>>
>>
>

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