A WHITE PAPER OSS MEDIATION RESOURCE DATA COLLECTION FOR OSS EVOLUTIONINTRODUCTION In the transition from communication service providers (CSPs) to digital service providers (DSPs), operators are deploying agile, next-generation networks based on network function virtualization (NFV). They are rolling out virtual IMS networks to support services like VoLTE and VoWiFi, virtual Evolved Packet Core (EPC) and virtual network functions like CGSNs and SCEFs to support NB-IoT rollouts. Such virtual networks create new challenges for the OSS ecosystem and particularly for service assurance functions like fault management and performance management. Consequently, operators are transforming service assurance in order to increase automation in operations, provide a clearer view of servi

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