Supporting Cluster-Based Network Services on Functionally Symmetric Software Architecture
Proceedings of the 2004 ACM/IEEE conference on Supercomputing
Performance modeling and system management for multi-component online services
NSDI'05 Proceedings of the 2nd conference on Symposium on Networked Systems Design & Implementation - Volume 2
Journal of Parallel and Distributed Computing
Replication degree customization for high availability
Proceedings of the 3rd ACM SIGOPS/EuroSys European Conference on Computer Systems 2008
Journal of Parallel and Distributed Computing
Distributed middleware reliability and fault tolerance support in system S
Proceedings of the 5th ACM international conference on Distributed event-based system
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The ubiquity of the Internet and various intranets has brought about widespread availability of online services and applications accessible through the network. Cluster-based network services have been rapidly emerging due to their cost-effectiveness in achieving high availability and incremental scalability. We present the design and implementation of the Neptune middleware system that provides clustering support and replication management for scalable network services. Neptune employs a loosely connected and functionally symmetric clustering architecture to achieve high scalability and robustness. It shields the clustering complexities from application developers through simple programming interfaces. In addition, Neptune provides replication management with flexible replication consistency support at the clustering middleware level. Such support can be easily applied to a large number of applications with different underlying data management mechanisms or service semantics. The system has been implemented on Linux and Solaris clusters, where a number of applications have been successfully deployed. Our evaluations demonstrate the system performance and smooth failure recovery achieved by proposed techniques.