An Application of Digital Rights Management in Network Learning System

With the Internet expanding quickly and there being a tremendous underlying market for digital content distributing, it brings a new technology that protects digital content from pirating and destroying--digital rights management (DRM),DRM not only protects content by encrypting, but also protects the content creator and owners rights and interests. The article primarily studies the multimedia courseware DRM in the distance network learning system. It firstly introduces the DRM based theory, then presents a DRM structure model and functional model, which is very important for the ulterior development.