3.4. Access Control in Distributed Systems
Access control mechanisms are particularly critical for today’s distributed systems, in which applications and users need to interact across different administrative domains. Moreover, several new applications are emerging, such as collaborative applications, workflows, and grid computing, for which different access control policies may need to be combined. Some important requirements for suitable access control systems in such context are:
Authorizations should be expressed in terms of the qualifications and characteristics (i.e., attributes) of subjects, rather than being expressed in terms of user log-in names. In many cases, users of web applications do not have local log-in names, because in practice ...
Get Information Assurance now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
