Routing Over Low power and Lossy networks (roll) Internet Drafts

	Root initiated routing state in RPL
	draft-ietf-roll-dao-projection-34.txt   Date: 30/11/2023   Authors: Pascal Thubert, Rahul Jadhav, Michael Richardson   Working Group: Routing Over Low power and Lossy networks (roll)	This document extends RFC 6550, RFC 6553, and RFC 8138 to enable a RPL Root to install and maintain Projected Routes within its DODAG, along a selected set of nodes that may or may not include itself, for a chosen duration. This potentially enables routes that are more optimized or resilient than those obtained with the classical distributed operation of RPL, either in terms of the size of a Routing Header or in terms of path length, which impacts both the latency and the packet delivery ratio.
	Supporting Asymmetric Links in Low Power Networks: AODV-RPL
	draft-ietf-roll-aodv-rpl-18.txt   Date: 17/08/2023   Authors: Charles Perkins, S.V.R Anand, Satish Anamalamudi, Bing Liu   Working Group: Routing Over Low power and Lossy networks (roll)	Route discovery for symmetric and asymmetric Peer-to-Peer (P2P) traffic flows is a desirable feature in Low power and Lossy Networks (LLNs). For that purpose, this document specifies a reactive P2P route discovery mechanism for both hop-by-hop routes and source routing: Ad Hoc On-demand Distance Vector Routing (AODV) based RPL protocol (AODV-RPL). Paired Instances are used to construct directional paths, for cases where there are asymmetric links between source and target nodes.
	Common Ancestor Objective Function and Parent Set DAG Metric Container Extension
	draft-ietf-roll-nsa-extension-12.txt   Date: 08/11/2023   Authors: Remous-Aris Koutsiamanis, Georgios Papadopoulos, Nicolas Montavont, Pascal Thubert   Working Group: Routing Over Low power and Lossy networks (roll)	High reliability and low jitter can be achieved by being able to send data packets through multiple paths, via different parents, in a network. This document details how to exchange the necessary information within RPL control packets to let a node better select the different parents that will be used to forward a packet over different paths. This document also describes the Objective Function which takes advantage of this information to implement multi-path routing.
	Controlling Secure Network Enrollment in RPL networks
	draft-ietf-roll-enrollment-priority-10.txt   Date: 08/11/2023   Authors: Michael Richardson, Rahul Jadhav, Pascal Thubert, Huimin She, Konrad Iwanicki   Working Group: Routing Over Low power and Lossy networks (roll)	[RFC9032] defines a method by which a potential [RFC9031] enrollment proxy can announce itself as available for new Pledges to enroll on a network. The announcement includes a priority for enrollment. This document provides a mechanism by which a RPL DODAG Root can globally disable enrollment announcements or adjust the base priority for enrollment operations.
	RNFD: Fast border router crash detection in RPL
	draft-ietf-roll-rnfd-03.txt   Date: 20/03/2024   Authors: Konrad Iwanicki   Working Group: Routing Over Low power and Lossy networks (roll)	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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