[Roll] I-D Action: draft-ietf-roll-rnfd-02.txt

internet-drafts@ietf.org Mon, 18 September 2023 20:59 UTC

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Subject: [Roll] I-D Action: draft-ietf-roll-rnfd-02.txt
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Internet-Draft draft-ietf-roll-rnfd-02.txt is now available. It is a work item
of the Routing Over Low power and Lossy networks (ROLL) WG of the IETF.

   Title:   RNFD: Fast border router crash detection in RPL
   Author:  Konrad Iwanicki
   Name:    draft-ietf-roll-rnfd-02.txt
   Pages:   24
   Dates:   2023-09-18


   By and large, a correct operation of a RPL network requires border
   routers to be up.  In many applications, it is beneficial for the
   nodes to detect a crash of a border router as soon as possible to
   trigger fallback actions.  This document describes RNFD, an extension
   to RPL that expedites border router failure detection, even by an
   order of magnitude, by having nodes collaboratively monitor the
   status of a given border router.  The extension introduces an
   additional state at each node, a new type of RPL Control Message
   Options for synchronizing this state among different nodes, and the
   coordination algorithm itself.

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