This eBook argues that service assurance is a direct cost-control tool, not just a way to keep networks performing well, and outlines five ways it reduces spend. It says modern assurance can lower digital transformation costs by monitoring hybrid legacy and virtualized infrastructure from one screen, reduce NOC overhead by analyzing, predicting, and preventing faults and automating repeatable tasks (noting a NOC engineer salary can reach $94,000/year), and cut customer support costs by improving visibility and MTTR (it cites about $5 per call). It also stresses minimizing downtime, estimating $1–5M per hour of lost revenue, and reducing truck rolls by pinpointing root cause, noting $200–300 per visit and 17–20% “no fault found” dispatches.

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