Applications of Event Notification and Authorization Components

By using the Windows Media Services Event Notification and Authorization API, you can develop plug-in components to perform a wide range of authorization-related tasks, including:

• Restricting access to protected material.
  
  
• Billing customers for viewing Advanced Streaming Format (ASF) content.
  
  
• Analyzing usage of Windows Media Services presentations.
  
  
• Tracking client preferences for selectively targeted advertising.

The following diagram illustrates how the Windows Media Services Authorization security package and a Web site manager can be integrated: