Michele Stecca
ABSTRACT
This paper presents a Service Execution Platform for Event Driven service compositions (a.k.a. Mashups), typically used in Telco services, and more in general applicable in domains characterized by a working principle based on asynchronous events. The platform reference model is based on an orchestration system and on a set of service proxies hosted in the Service Execution Platform. The orchestration system executes Mashup sessions, i.e., instances of service compositions activated by external events, by coordinating the actions of the service proxies and takes care of load balancing, security (AAA), and fault tolerance. The paper presents the software architecture of the platform and shows how Web Service technology can be used to support event based communication and how session-less orchestration provides support for scalability and fault tolerance. Finally the paper presents a prototype implementation of the platform and a set of experimental results.
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Index Terms
- An execution platform for event driven mashups
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