The many faces of publish/subscribe
ACM Computing Surveys (CSUR)
Experiences, Strategies, and Challenges in Building Fault-Tolerant CORBA Systems
IEEE Transactions on Computers
Securing publish/subscribe for multi-domain systems
Proceedings of the ACM/IFIP/USENIX 2005 International Conference on Middleware
Generating a process model from a process audit log
BPM'03 Proceedings of the 2003 international conference on Business process management
Composite event detection as a generic middleware extension
IEEE Network: The Magazine of Global Internetworking
Security for middleware extensions: event meta-data for enforcing security policy
Proceedings of the 2008 workshop on Middleware security
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Distributed messaging middleware can provide few delivery guarantees Nevertheless, applications need to monitor timely delivery of important messages, both at the time and retrospectively, such as for reasons of safety and audit in a healthcare application Timely, decentralised notification enables out-of-band resolution of problems beyond the messaging system's control Instead of relying on applications to generate (and monitor) a proof of delivery message, which may itself be lost in transit, we instead propose a general-purpose service that provides local delivery logs, remote delivery confirmation, and automatic warning events about potentially undelivered messages, in a clean extension of the pub/sub paradigm The service can also provide an audit trail across a chain of messages, by using message tokens to correlate the receipt and subsequent publication of otherwise apparently unrelated messages This allows meaningful analysis of failures in a workflow, enabling reliable applications which recover gracefully from communication failures.