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This paper presents a Traffic Monitoring and Analytics (TMA) framework for optical access networks and defines the requirements and Key Performance Indicators (KPI) governing the telemetry collection, brokering, and streaming workflow as well as storage and computing resources of such a framework. Moreover, it introduces the concept of telecom data ownership and explores its impact on the realization of such a framework, primarily for the cases where equipment from multiple vendors co-exist in the operator networks. Eventually, considering the underlying requirements and the desired specifications, it presents several architectures for the realization of a TMA framework.