This document discusses developing metrics to measure IT service management (ITSM) performance. It outlines a framework for defining metrics that align with business objectives and critical success factors. Key aspects of the framework include establishing a vision and goals, then defining key performance indicators and specific metrics to measure progress. Metrics should be implemented at various levels from business outcomes to individual service components. Challenges in deploying ITSM metrics include selecting the right metrics, collecting reliable data, and ensuring metrics encourage desired behaviors.