15. Database Tier IAM System Decision Support System Web Application SaaS Application Data Service Mainframe Application Packaged Application Middleware Tier Enterprise Tier Web Interactive Tier Open Survey System Policy Modelling System Web2.0 Tools MySQL Glassfish JDBC SAML 2.0 Mule Enterprise Service Bus APP, ADONIS, ADOweb Java Any Protocol Web Services Process Stepper PHP Web Services Apache Apache Tomcat WS-Trust XACML Apache + mod_php Security Module Report Module Policy Enforcement Localization Module Adaptation Layer LDAP v.3 SQL, Apache Tomcat Mule Enterprise Service Bus Content Management Notification Module Data Layer Report Module HTTP MySQL Drupal