JDSU performance monitoring applications allow service providers to reduce customer churn and avoid service level agreement (SLA) penalties by measuring and reporting service performance from origination through to delivery to the customer. By intelligently correlating and calculating key performance metrics obtained from multiple data sources (test probes, network elements, and network interface devices (NIDs) and by using a powerful reporting engine, JDSU allows service providers to proactively detect and prevent impending quality issues.