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Re: [Roll] DAO-Projection and new MOPs

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Thu, 20 December 2018 06:11 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] DAO-Projection and new MOPs
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Date: Thu, 20 Dec 2018 06:11:04 +0000
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Subject: Re: [Roll] DAO-Projection and new MOPs
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Hello all:

Note that we will need capabilities of the RPL node passed to the root. This is needed to express neighborhood, amount of free resources to install routes, etc... this way a node can signal support for this spec to the root.

Whether the root expects that can be added to the configuration options, we have a reserved space there.

Regards,

Pascal

> Le 20 déc. 2018 à 00:24, Michael Richardson <mcr@sandelman.ca> a écrit :
> 
> Rahul Arvind Jadhav <rahul.jadhav@huawei.com> wrote:
>> Actually this (new ICMP code) would have worked very nicely but as you
>> mentioned the legacy nodes won't send back any response for unknown
>> codes.
> 
>> I checked whether 6550 has an explicit statement and it does.
> 
>> Section 6: "If a node receives a RPL control message with an unknown
>> Code field, the node MUST discard the message without any further
>> processing, MAY raise a management alert, and MUST NOT send any
>> messages in response."
> 
> maybe this deserves an update as well then :-)
> 
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