This white paper explains how telecom service assurance is evolving from reactive troubleshooting to proactive and now predictive models as 5G, cloud, IoT, SDN/NFV, and edge make networks more complex. It contrasts legacy, incident-driven NOC work with proactive monitoring, analytics, dashboards, and root-cause engines that cut downtime and churn. It then describes predictive assurance using big data, AI/ML, IoT telemetry, and cloud scale to forecast failures, trigger preventive actions, and enable closed-loop automation and autonomous networks. The paper highlights benefits such as higher reliability, lower OPEX, new premium SLA-based services, and stronger loyalty through proactive, transparent communication.

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