Concurrency control and recovery in database systems
Concurrency control and recovery in database systems
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ACM Transactions on Computer Systems (TOCS)
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Euro-Par '98 Proceedings of the 4th International Euro-Par Conference on Parallel Processing
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DEXA '00 Proceedings of the 11th International Workshop on Database and Expert Systems Applications
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ICDCS '01 Proceedings of the The 21st International Conference on Distributed Computing Systems
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ICDCS '01 Proceedings of the The 21st International Conference on Distributed Computing Systems
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ARM '04 Proceedings of the 3rd workshop on Adaptive and reflective middleware
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Introduction to Reliable Distributed Programming
Introduction to Reliable Distributed Programming
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Proceedings of the 2007 ACM symposium on Applied computing
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FMOODS'05 Proceedings of the 7th IFIP WG 6.1 international conference on Formal Methods for Open Object-Based Distributed Systems
Structuring adaptive replicated systems with design patterns and aspects
Proceedings of the 2011 ACM Symposium on Applied Computing
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This paper presents a meta protocol that allows the dynamic replacement of replication control protocols in replicated databases. The meta protocol is motivated by the diversity of concurrency control and replication control protocols that implement different transaction isolation levels. The replacement of protocols allows applications to dynamically adapt themselves to consistency and data access latency requirements. Such kind of adaptivity is important in mobile systems, where weaker consistency levels are acceptable when nodes are disconnected from a network, but stronger levels may be required when nodes are connected to each other. The paper defines three properties that meta protocol executions have to enforce and specifies a protocol that satisfies these properties. The protocol is based on a transaction execution model, uniform reliable broadcast and uniform consensus. Finally, we outline a dynamic adaptable architecture that is being implemented that includes the meta protocol and that makes use of an aspect oriented framework.