Taking Advantage of Federated Cloud Storage and Multi-core Technology in Content Delivery

  • Authors:
  • Silvestre Perez-Ortiz;Victor Sosa-Sosa;J. L. Gonzalez;Luis M. Sanchez;Jesus Carretero-Perez

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • UCC '13 Proceedings of the 2013 IEEE/ACM 6th International Conference on Utility and Cloud Computing
  • Year:
  • 2013

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Abstract

Cloud-based storage services are becoming key for organizations to deliver contents to end-users through the Internet. However, problems such as unavailable service, lost data risks and lack of controls over data management could arise in such a process. This paper presents a framework for building content delivery systems based on continuous workflow (CD-CW). The CD-CW systems split contents into redundant chunks in parallel by taking advantage of multiple cores commonly found in current CPU architectures. The chunks are encoded/decoded, anonymized, and distributed/retrieved to/from different cloud storage locations in a continuous workflow. Our framework allows organizations to automatically build federated cloud storage and publish-subscribe patterns for CD-CW systems. The federated cloud storage allows organizations both to withstand failures scenarios and to preserve autonomy in the data management. The publish-subscribe model establishes controls over the content delivery process and improves the service experience of the end-users. This paper also presents the experimental evaluation of a case study based on satellite images from a space agency. The satellite images are distributed to a federated storage prototype by using a CD-CW agent and a set of organizations, from two countries spanning two continents, get these images by using a CD-CW client.