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As an emerging model for new enterprise data centers, the cloud paradigm provides a disruptive market opportunity to better utilize computing resources and reduce IT complexity. To provide the cloud computing service, the provisioning of the cloud infrastructure in data centers is a pre-request. However, the provisioning for systems and applications on large number of physical machines is traditionally a time consuming process, with low assurance on deployment time and cost. This paper thus leverages peer-to-peer (P2P) networks to speedup the provisioning for cloud infrastructure. In the proposed P2P-assisted cloud provisioning system, BitTorrent-like P2P protocol is utilized to accelerate image delivery to large-scale target machines, by sharing their upload capacity to overcome the traditional bandwidth bottleneck of provisioning server. Further, the BitTorrent component is integrated with file system in user space (FUSE) through a message-driven piece selection scheme, to enable virtual machines and requested services in required time. Based on our prototype system, experiments demonstrate the effectiveness of our system in saving deployment time, increasing service availability and reducing traffic cost, leading to high quality of service of end users.
Date of Conference: 22-26 June 2009