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We describe the design and implementation of Cells, a novel multi-tenanted virtual infrastructure service. Cells has the unique property of being self-hosting: it operates its own management system within one of the tenant virtual infrastructures that it manages and therefore benefits from the same security, flexibility and scalability as other tenant services. Cells is also differentiated by its...
In this paper, we describe an architecture for high-speed storage nodes intended for supporting cloud-based storage I/O intensive applications such as file servers, backup servers and databases. The nodes can host multiple virtual machines each having direct access to a storage array via Single Route I/O Virtualization (SR-IOV). This is done in a way which does not compromise security. We demonstrate...
Utility computing achieves efficiencies by dynamically reallocating shared resources between services operating on virtual clusters. These efficiencies can be hard to realize for data intensive applications; newly allocated nodes must be populated with a large amount of data which impedes rapid node reallocation. We describe a data management architecture that uses disk caches on each node to reduce...
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