Objective Function Zero for the Routing Protocol for Low-Power and Lossy Networks (RPL), March 2012
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The Routing Protocol for Low-Power and Lossy Networks (RPL) specification defines a generic Distance Vector protocol that is adapted to a variety of network types by the application of specific Objective Functions (OFs). An OF states the outcome of the process used by a RPL node to select and optimize routes within a RPL Instance based on the Information Objects available; an OF is not an algorithm.
This document specifies a basic Objective Function that relies only on the objects that are defined in the RPL and does not use any protocol extensions. [STANDARDS-TRACK]
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 4844.