2020-09-21, rev -12: This document enables a RPL Root to install and maintain Projected Routes within its DODAG, along a selected set of nodes that may or may not include self, 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 source-route header or in terms of path length, which impacts both the latency and the packet delivery ratio.
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