you may be granted the right to view
you may be granted the right to view a movie once only, or you may be given the right to print an electronic document. The license is a set of grants and it identifies the principal who issued the license. The grant gives the authorization upon a principal. The rights expression is authenticated by a digital signature. A resource can be digital content: an e-book, a digital image file, or a video clip. It can also be a service like an e-commerce service or a piece of information like an address that is owned by a principal. The condition specifies the terms and conditions of the license. This could be a rental agreement or the terms for outright purchase. XrML has been used for the basis of the MPEG Rights Expression Language, part of the MPEG-21 standard. Examples of DRM products Microsoft In recent years, Microsoft has devoted much attention to security. Their initial focus was on solutions to protect digital entertainment in the form of audio and video files, although they since have added document security. The Windows Media Rights Manager can protect audio-visual content encoded in the Windows Media streaming format. In 2003, Microsoft announced Windows Rights Management Services. Much like Windows Media, a central rights management server stores licenses that control access to protected files. Windows 2000 and XP both offer flexible file security and access control, but only on the corporate network. There is always the constant problem of staff burning copies of files to CD-ROM. Network security and access control lists cannot protect files outside the corporate firewall. Windows Media Rights Manager 9 Microsoft s Windows Media Rights Manager provides a secure end to digital media e-commerce solution for Windows Media. This solution enables both application service providers and Internet content providers to manage, deliver, and sell streaming media. It supports download-and-play and conventional streaming. The Windows Media Rights Manager system is designed to work with third-party credit card software that is compatible with MS Site Server 3.0. The Windows Media Rights Manager allows the publisher to set up the rules for the transaction. The player then uses these rules to open the encrypted content. 282 The Technology of Video and Audio Streaming
Note: If you are looking for good and high quality web space to host and run your application check Lunarwebhost PHP Web Hosting services