Communications of the ACM
The Imposition of Protocols Over Open Distributed Systems
IEEE Transactions on Software Engineering
A design framework for Internet-scale event observation and notification
ESEC '97/FSE-5 Proceedings of the 6th European SOFTWARE ENGINEERING conference held jointly with the 5th ACM SIGSOFT international symposium on Foundations of software engineering
Law-governed interaction: a coordination and control mechanism for heterogeneous distributed systems
ACM Transactions on Software Engineering and Methodology (TOSEM)
Efficient filtering in publish-subscribe systems using binary decision diagrams
ICSE '01 Proceedings of the 23rd International Conference on Software Engineering
Establishing Enterprise Communities
EDOC '01 Proceedings of the 5th IEEE International Conference on Enterprise Distributed Object Computing
Formalizing Design Spaces: Implicit Invocation Mechanisms
VDM '91 Proceedings of the 4th International Symposium of VDM Europe on Formal Software Development-Volume I: Conference Contributions - Volume I
Security Issues and Requirements for Internet-Scale Publish-Subscribe Systems
HICSS '02 Proceedings of the 35th Annual Hawaii International Conference on System Sciences (HICSS'02)-Volume 9 - Volume 9
The Authorization Service of Tivoli Policy Director
ACSAC '01 Proceedings of the 17th Annual Computer Security Applications Conference
Formal Treatment of Certificate Revocation Under Communal Access Control
SP '01 Proceedings of the 2001 IEEE Symposium on Security and Privacy
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Decoupled communication, which requires no direct association between the producers of information and its consumers -- as under the publish/subscribe (P/S) middleware -- is often essential for the integration of distributed and heterogeneous applications. But the indefinite, and potentially global, reach of decoupled communication -- the very reason for its power -- has a dark side, which may complicate the system using it, making it less predictable, more brittle, and less safe. Just think about the effect of shouting "fire" in a packed theatre, particularly, but not only, if it is a false alarm. It is our thesis that the inherent drawbacks of decoupled communication can be tamed by decentralized regulation of its use. We show how such regulation can be carried out scalably by means of a distributed control mechanism called Law-Governed Interaction (LGI), and a middleware called Moses that implements this mechanism. Along the way, we illustrate the importance of such regulation, and its effectiveness, by considering the treatment of alarms in a large hospital.