Windows Media Services Event Notification and Authorization API

Microsoft® Windows Media™ Services provides an API for developing event notification and authorization plug-in components. These components extend the features of a server running Windows Media Services by providing tools to authorize the playing of content, monitoring of the state of the server, and auditing transactions. This overview explains the concept of authorization, and the mechanism by which a server and authorization/notification components interact with each other. The topics are covered in two parts.