Re: [Roll] unware leaves --- terminology and expectations

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Tue, 17 September 2019 20:04 UTC

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] unware leaves --- terminology and expectations
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Date: Tue, 17 Sep 2019 20:04:49 +0000
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Subject: Re: [Roll] unware leaves --- terminology and expectations
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Actually the draft as it stands does a lot to show that IP in IP to what I call a RUL does not need to happen.

 The change I’m asking is that if IP in IP is used then it goes to the parent. This is why non storing must always be used.

So the thing I call a RUL stays within rfc 8200 / 8504 mandates.

I see value in your RAL that inserts the RPI. I did not have a taxonomy for a node that does not send it’s DAOs but still inserts RPIs. Happy to add this guy in out bestiary.

Regards,

Pascal

> Le 17 sept. 2019 à 20:25, Michael Richardson <mcr+ietf@sandelman.ca> a écrit :
> 
> 
> Pascal Thubert (pthubert) <pthubert@cisco.com> wrote:
>> Yes we are trying to accomplish the same thing.
>> Note that the RPL data plane the the RxL supports is just following RFC
>> 8200. That does not mean any RPL awareness. So I really do not see why
>> it would have RPL aware in its name...
> 
> Neither RFC8200 nor RFC8504 mandate that a node must be able to handle
> IP{dst=me}headers,IP{dst=me}.
> 
> If we can't handle that in the leaf, then I think we gain nothing by writing this document.
> 
> Further, if an RPL-aware-leaf can insert RPI on outgoing packets, then that
> also saves inserting an IPIP header at the first 6LR.
> 
> --
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
> -= IPv6 IoT consulting =-
> 
> 
> 
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