Time, clocks, and the ordering of events in a distributed system
Communications of the ACM
Logical Clock Requirements for Reverse Engineering Scenarios from a Distributed System
IEEE Transactions on Software Engineering
Enterprise Integration Patterns: Designing, Building, and Deploying Messaging Solutions
Enterprise Integration Patterns: Designing, Building, and Deploying Messaging Solutions
Toward the Reverse Engineering of UML Sequence Diagrams for Distributed Java Software
IEEE Transactions on Software Engineering
Soa: principles of service design
Soa: principles of service design
Toward Web Service Dependency Discovery for SOA Management
SCC '08 Proceedings of the 2008 IEEE International Conference on Services Computing - Volume 2
Analysing dependencies in service compositions
ICSOC/ServiceWave'09 Proceedings of the 2009 international conference on Service-oriented computing
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Service-Oriented Architecture (SOA) enable organizations to react to requirement changes in an agile manner and to foster the reuse of existing services. However, the dynamic nature of Service-Oriented Systems and their agility bear the challenge of properly understanding such systems. In particular, understanding the dependencies among services is a non trivial task, especially if service-oriented systems are distributed over several hosts and/or using different SOA technologies. In this paper, we propose an approach to monitor dynamic dependencies among services. The approach is based on the vector clocks, originally conceived and used to order events in a distributed environment. We use the vector clocks to order service executions and to infer causal dependencies among services. In our future work we plan to use this information to study change and failure impact analysis in service-oriented systems.