Interconnecting Federated Clouds by Using Publish-Subscribe Service

  • Authors:
  • Christian Esposito;Massimo Ficco;Francesco Palmieri;Aniello Castiglione

  • Affiliations:
  • Institute of High Performance Computing and Networking (ICAR), National Research Council, Napoli, Italy 80131;Department of Industrial and Information Engineering, Second University of Naples, Aversa, Italy 81031;Department of Industrial and Information Engineering, Second University of Naples, Aversa, Italy 81031;Department of Computer Science, University of Salerno, Fisciano, Italy 84084

  • Venue:
  • Cluster Computing
  • Year:
  • 2013

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Abstract

Cloud Federation is an emerging computing model where multiple resources from independent Cloud providers are leveraged to create large-scale distributed virtual computing clusters, operating as into a single Cloud organization. This model enables the implementation of environmental diversity for Cloud applications, and overcomes the provisioning and scalability limits of a single Cloud, by introducing minimal additional cost for the Cloud consumer. In such a scenario, it is necessary to leverage on specific networking technologies that enable the effective support of inter-Cloud communication services between Cloud providers. This paper proposes an interconnection solution for Cloud federations based on publish/subscribe services. Moreover, we discuss some fundamental concerns needed to satisfy the inter-Cloud communication requirements in terms of reliability and availability. Finally, we present some experimental results that highlight some key reliability and denial of service vulnerability concerns in this domain.