Maximizing Utility for Content Delivery Clouds

  • Authors:
  • Mukaddim Pathan;James Broberg;Rajkumar Buyya

  • Affiliations:
  • Cloud Computing and Distributed Systems (CLOUDS) Laboratory Department of Computer Science and Software Engineering, The University of Melbourne, Australia;Cloud Computing and Distributed Systems (CLOUDS) Laboratory Department of Computer Science and Software Engineering, The University of Melbourne, Australia;Cloud Computing and Distributed Systems (CLOUDS) Laboratory Department of Computer Science and Software Engineering, The University of Melbourne, Australia

  • Venue:
  • WISE '09 Proceedings of the 10th International Conference on Web Information Systems Engineering
  • Year:
  • 2009

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Abstract

A content delivery cloud, such as MetaCDN, is an integrated overlay that utilizes cloud computing to provide content delivery services to Internet end-users. While it ensures satisfactory user perceived performance, it also aims to improve the traffic activities in its world-wide distributed network and uplift the usefulness of its replicas. To realize this objective, in this paper, we measure the utility of content delivery via MetaCDN, capturing the system-specific perceived benefits. We use this utility measure to devise a request-redirection policy that ensures high performance content delivery. We also quantify a content provider's benefits from using MetaCDN based on its user perceived performance. We conduct a proof-of-concept testbed experiment for MetaCDN to demonstrate the performance of our approach and reveal our observations on the MetaCDN utility and content provider's benefits from using MetaCDN.