The Imposition of Protocols Over Open Distributed Systems
IEEE Transactions on Software Engineering
Law-governed interaction: a coordination and control mechanism for heterogeneous distributed systems
ACM Transactions on Software Engineering and Methodology (TOSEM)
Establishing Business Rules for Inter-Enterprise Electronic Commerce
DISC '00 Proceedings of the 14th International Conference on Distributed Computing
The Ponder Policy Specification Language
POLICY '01 Proceedings of the International Workshop on Policies for Distributed Systems and Networks
Law-Governed Internet Communities
COORDINATION '00 Proceedings of the 4th International Conference on Coordination Languages and Models
Formal Treatment of Certificate Revocation Under Communal Access Control
SP '01 Proceedings of the 2001 IEEE Symposium on Security and Privacy
Regulating Work in Digital Enterprises: A Flexible Managerial Framework
On the Move to Meaningful Internet Systems, 2002 - DOA/CoopIS/ODBASE 2002 Confederated International Conferences DOA, CoopIS and ODBASE 2002
On shouting "Fire!": regulating decoupled communication in distributed systems
Proceedings of the ACM/IFIP/USENIX 2003 International Conference on Middleware
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Abstract: One of the most important challenges facing the builders of enterprise software is the reliable implementation of the policies that are supposed to govern the various communities operating within an enterprise. Such policies are widely considered fundamental to enterprise modeling, and their specification were the subject of several recent investigations. But specification of the policy that is to govern a given community is only the first step towards its implementation-the second, and more critical step is to ensure that all members of the community actually conform to the specified policy. The conventional approach to the implementation of a policy is to build it into all members of the community subject to it. But if the community in question is large and heterogeneous, and if its members are dispersed throughout a distributed enterprise, then such "manual" implementation of its policy would be too laborious and error-prone to be practical. Moreover, a policy implemented in this manual manner would be very unstable with respect to the evolution of the system, because it can be violated by a change in the code of any member of community subject to it. It is our thesis that the only reliable way for ensuring that an heterogeneous distributed community of software modules and people conforms to a given policy is for this policy to be strictly enforced. A mechanism for establishing enterprise communities by formally specifying their policies, and by having these policies enforced is the subject of this paper.