XrML was developed at the Xerox Palo Alto
XrML was developed at the Xerox Palo Alto Research Center in the late 1990s as the Digital Rights Property language. The original meta-language was changed to XML in 1999 and renamed. It has now been adopted by leading software developers and publishing houses as a common rights language for digital resources, both content and services. The core concepts of XrML are as follows: Principal Right License Grant Resource Condition The principal is the party who is granting or exercising the rights. The rights detail what action a principal may undertake using a resource. As an example, Rights management 281 perimeter security: firewall, access control network security: LDAP encryption water mark content Figure 14.9 Security shells.
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