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Defeating variability in cloud applications by multi-tier workload redundancy
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Autores
Birke, Robert
Qiu, Zhan
Pérez, Juan F.
Chen, Lydia Y.
Fecha
2016-09-08
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IEEE
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Abstract
Workload redundancy emerges as an effective method to guarantee quality of service (QoS) targets, especially tail latency, in environments with strong capacity variability such as clouds. Nevertheless mostly single-tier replication strategies have been studied, while multi-tier architectures are a very popular choice in cloud deployed applications. In this poster we raise the awareness on the challenges of devising a multi-tier replication strategy and its possible benefits through a 2.3X tail latency improvement on an exemplary real-world application.
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Keywords
Redundancy , Encyclopedias , Servers , Cloud computing , Quality of service , Electronic mail , Measurement
