What service replication middleware can learn from object replication middleware
Proceedings of the 1st workshop on Middleware for Service Oriented Computing (MW4SOC 2006)
Middleware/application interactions to support adaptive dependability
MAI '07 Proceedings of the 1st workshop on Middleware-application interaction: in conjunction with Euro-Sys 2007
Exploiting commutativity for efficient replication in partitionable distributed systems
OTM'07 Proceedings of the 2007 OTM Confederated international conference on On the move to meaningful internet systems - Volume Part II
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Replication is a well-known technique to achieve faulttolerance in distributed systems, thereby enhancing availability. However, so far, not much attention has been paid to object replication using Microsoft's .NET technologies. In this paper, we present the lessons we have learned during design and implementation of a .NET based replication framework that allows building dependable, distributed .NET applications. Our framework does not only support traditional replication protocols like primary-backup replication or voting but also a new protocol for explicit balancing between data integrity and availability. Based on our experiences, we recommend to use a state-of-the-art group communication toolkit (e.g., Spread) and .NET Remoting as basis for object replication in a .NET environment.