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IEEE Transactions on Software Engineering
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PODC '96 Proceedings of the fifteenth annual ACM symposium on Principles of distributed computing
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PODC '97 Proceedings of the sixteenth annual ACM symposium on Principles of distributed computing
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An evaluation of flow control in group communication
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Coverage Estimation Methods for Stratified Fault-Injection
IEEE Transactions on Computers
Building Secure and Reliable Network Applications
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IPPS '95 Proceedings of the 9th International Symposium on Parallel Processing
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DSN '00 Proceedings of the 2000 International Conference on Dependable Systems and Networks (formerly FTCS-30 and DCCA-8)
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Proceedings of the 4th European PVM/MPI Users' Group Meeting on Recent Advances in Parallel Virtual Machine and Message Passing Interface
A Proof Environment for the Development of Group Communication Systems
CADE-15 Proceedings of the 15th International Conference on Automated Deduction: Automated Deduction
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FTCS '96 Proceedings of the The Twenty-Sixth Annual International Symposium on Fault-Tolerant Computing (FTCS '96)
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FTCS '97 Proceedings of the 27th International Symposium on Fault-Tolerant Computing (FTCS '97)
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SRDS '99 Proceedings of the 18th IEEE Symposium on Reliable Distributed Systems
Dynamic Node Management and Measure Estimation in a State-Driven Fault Injector
SRDS '00 Proceedings of the 19th IEEE Symposium on Reliable Distributed Systems
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IPDS '00 Proceedings of the 4th International Computer Performance and Dependability Symposium
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IPDS '95 Proceedings of the International Computer Performance and Dependability Symposium on Computer Performance and Dependability Symposium
The ensemble system
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EDCC'05 Proceedings of the 5th European conference on Dependable Computing
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Group communication is an important paradigm for building highly available distributed systems. However, group membership operations often require the system to block message traffic, causing system services to become unavailable. This makes it important to quantify the unavailability induced by membership operations. This paper experimentally evaluates the blocking behavior of the group membership protocol of the Ensemble group communication system using a novel global-state-based fault injection technique. In doing so, we demonstrate how a layered distributed protocol such as the Ensemble group membership protocol can be modeled in terms of a state machine abstraction, and show how the resulting global state space can be used to specify fault triggers and define important measures on the system. Using this approach, we evaluate the cost associated with important states of the protocol under varying workload and group size. We also evaluate the sensitivity of the protocol to the occurrence of a second correlated crash failure during its operation.