[Roll] draft-ietf-roll-dao-projection: message type for P-DAO

"Huimin She (hushe)" <hushe@cisco.com> Fri, 18 December 2020 02:15 UTC

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From: "Huimin She (hushe)" <hushe@cisco.com>
To: "roll@ietf.org" <roll@ietf.org>
Thread-Topic: draft-ietf-roll-dao-projection: message type for P-DAO
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Date: Fri, 18 Dec 2020 02:15:33 +0000
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Subject: [Roll] draft-ietf-roll-dao-projection: message type for P-DAO
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Hi Pascal,

The P-DAO format is the same as DAO. And the TrackID in the DAO has the same meaning as Local RplInstanceID. How does a node tell whether the received message is a P-DAO message or Local RPL instance DAO? To implement it more easily, we need to identity the message type. So I suggest to add a bit in the P-DAO message, such as “| K | D | P|     Flags      |”.

Best regards,
Huimin