Swisscom Swisscom INSA-Lyon This document describes a mechanism to define a unique message key for a YANG to message broker integration and a topic addressing scheme based on YANG-Push subscription type and a YANG index defined in this document. This enables a Message Broker to serve from a single partition, compress to current state in case of YANG state metrics and YANG data consumer to consume for a specific YANG node identifier of a network node YANG datastore.