The process group approach to reliable distributed computing
Communications of the ACM
Structuring QoS-supporting services with smart proxies
IFIP/ACM International Conference on Distributed systems platforms
A Middleware Architecture for Scalable, QoS-Aware, and Self-Organizing Global Services
USM '00 Proceedings of the Third International IFIP/GI Working Conference on Trends in Distributed Systems: Towards a Universal Service Market
The Jgroup distributed object model
Proceedings of the IFIP WG 6.1 International Working Conference on Distributed Applications and Interoperable Systems II
Software adaptation for service-oriented systems
Proceedings of the 1st workshop on Middleware for Service Oriented Computing (MW4SOC 2006)
FORMI: Integrating Adaptive Fragmented Objects into Java RMI
IEEE Distributed Systems Online
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RMI is a well-known middleware that smoothly integrates into Java. RMI uses classical RPC-based client-server interaction, precisely remote method calls. Although RMI has several extension points (i.e., for replacing transport protocols and call semantics), this is not enough for many applications as it can not cope with non-RPC-based communication, fault tolerance, scalability, and quality-of-service in general. We present FORMI, an RMI extension for supporting the very flexible fragmented-object model. This model allows to build distributed objects with arbitrary internal communication protocols and interaction patterns (e.g., internal peer-to-peer communication) and with a truly distributed internal structure (e.g., replicated servers, smart proxies, hierarchical servers). Both, internal communication and structure, remains hidden behind the RMI-object interface and is thus transparent to clients. We demonstrate our approach by an Internet radio example.