Tivoli Change and Configuration Management Database is IBM's strategic tool that is said to automatically discover the physical and application infrastructure in an enterprise, given the appropriate credentials. The low level component of CCMDB is called Tivoli Application Dependency Discovery Manager (TADDM in short). TADDM creates comprehensive application maps that include complete run-time dependencies, deep information about the Configuration Items (CIs) and tracks changes to the CIs. Deploying TADDM is the first step in populating a Change and Configuration Management Database (CCMDB) that serves as the basis for the automation of ITIL processes such as configuration and change management. It is also said to enable other ITIL processes like Incident and Problem Management.
Here is a summary of what TADDM/CCMDB is said to provide: