Interconnecting Federated Clouds by Using Publish-Subscribe Service |
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Authors: | Christian Esposito Massimo Ficco Francesco Palmieri Aniello Castiglione |
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Affiliation: | 1. Institute of High Performance Computing and Networking (ICAR), National Research Council, Via Pietro Castellino 111, 80131, Napoli, Italy 2. Department of Industrial and Information Engineering, Second University of Naples, Via Roma 29, 81031, Aversa, Italy 3. Department of Computer Science, University of Salerno, Via Ponte don Melillo, 84084, Fisciano, SA, Italy
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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. |
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