Dependability models for designing disaster tolerant cloud computing systems

Hundreds of natural disasters occur in many parts of the world every year, causing billions of dollars in damages. This fact contrasts with the high availability requirement of cloud computing systems, and, to protect such systems from unforeseen catastrophe, a recovery plan requires the utilization...

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Bibliographic Details
Main Authors: Silva, Bruno, Maciel, Paulo, Tavares, Eduardo, Zimmermann, Armin
Format: Conference Proceeding
Language:English
Subjects:
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Cloud computing
Computational modeling
Data models
dependability evaluation
Distributed databases
Servers
stochastic Petri nets
Virtual machining
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Summary:Hundreds of natural disasters occur in many parts of the world every year, causing billions of dollars in damages. This fact contrasts with the high availability requirement of cloud computing systems, and, to protect such systems from unforeseen catastrophe, a recovery plan requires the utilization of different data centers located far enough apart. However, the time to migrate a VM from a data center to another increases due to distance. This work presents dependability models for evaluating distributed cloud computing systems deployed into multiple data centers considering disaster occurrence. Additionally, we present a case study which evaluates several scenarios with different VM migration times and distances between data centers.
ISSN:1530-0889
2158-3927
DOI:10.1109/DSN.2013.6575323