Towards an understanding of oversubscription in cloud

  • Authors:
  • Salman A. Baset;Long Wang;Chunqiang Tang

  • Affiliations:
  • IBM Research;IBM Research;IBM Research

  • Venue:
  • Hot-ICE'12 Proceedings of the 2nd USENIX conference on Hot Topics in Management of Internet, Cloud, and Enterprise Networks and Services
  • Year:
  • 2012

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Abstract

Oversubscription can leverage under utilized capacity in the cloud but can lead to overload. A cloud provider must manage overload due to oversubscription for maximizing its prot while minimizing any service level agreement (SLA) violations. This paper develops an understanding of oversubscription in cloud through modeling and simulations, and explores the relationship between overload mitigation schemes and SLAs.