Monitoring response times for web applications is one way to enforce SLA’s (Service Level Agreements). Typically you define different SLA’s for different pages of your application. Its however becoming more important to enforce service levels on a per user or user group basis. This article explains an approach to enforce SLAs on a per user base Read more at http://blog.dynatrace.com/2009/05/18/user-based-service-level-enforcement-for-web-applications/