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Efficient Consensus-Free Weight Reassignment for Atomic Storage

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Hasan Heydari
Luciana Arantes

Résumé

Weighted voting is a conventional approach to improving the performance of replicated systems based on commonly-used majority quorum systems in heterogeneous environments. In long-lived systems, a weight reassignment protocol is required to reassign weights over time in order to accommodate performance variations accordingly. The weight reassignment protocol should be consensus-free in asynchronous failure-prone systems because of the impossibility of solving consensus in such systems. This paper presents an efficient consensus-free weight reassignment protocol for atomic storage systems in heterogeneous, dynamic, and asynchronous messagepassing systems. An experimental evaluation shows that the proposed protocol improves the performance of atomic read/write storage implemented by majority quorum systems compared with previous solutions.
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Dates et versions

hal-03454633 , version 1 (29-11-2021)

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  • HAL Id : hal-03454633 , version 1

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Hasan Heydari, Guthemberg Silvestre, Luciana Arantes. Efficient Consensus-Free Weight Reassignment for Atomic Storage. NCA 2021 - 20th IEEE International Symposium on Network Computing and Applications, Nov 2021, Virtual, France. ⟨hal-03454633⟩
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