Abstract
Cloud computing provides virtual resources so that end-users or organizations can buy computing power as a public utility. Cloud service providers however must strive to ensure good QoS by offering highly available services with dynamically scalable resources. HA-OSCAR is an open source High Availability (HA) solution for HPC/cloud that offers component redundancy, failure detection, and automatic fail-over. In this paper, we describe HA-OSCAR as a cloud platform and analyze system availability of two potential cloud computing systems, OSCAR-V cluster and HA-OSCAR-V. We also explore our case study to improve Nimbus, a popular cloud IaaS toolkit. The results show that the system that deploys HA-OSCAR has a significantly higher degree of availability. © 2012 Springer-Verlag Berlin Heidelberg.
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Thanakornworakij, T., Sharma, R., Scroggs, B., Leangsuksun, C., Greenwood, Z. D., Riteau, P., & Morin, C. (2012). High availability on cloud with HA-OSCAR. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 7156 LNCS, pp. 292–301). Springer Verlag. https://doi.org/10.1007/978-3-642-29740-3_33
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