RPL Objective Function Impact on LLNs Topology and Performance

RPL is IPv6 Routing Protocol designed for Low Power and Lossy networks. RPL is a distance vector routing protocol that builds Directed Acyclic Graphs (DAGs), using implementation specific routing metrics and constraints. In the construction process of network topology, each node selects a set of potential parents towards the destination and associates itself to a preferred parent, basing on the outcome of Objective Function (OF). OF defines how one or more node and link metrics and constraints are used to compute the node rank.

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