The Xen-Blanket: virtualize once, run everywhere
Proceedings of the 7th ACM european conference on Computer Systems
IEEE Internet Computing
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Today, Infrastructure-as-a-Service (IaaS) cloud providers such as Amazon's Elastic Compute Engine (EC2), Google's Compute Engine, and Microsoft's Azure offer elastic and isolated compute resources via virtualization and users often choose one of these providers based on price, locality, performance, and features. Typically, a user will choose the same provider for computation and storage to minimize latency and networking costs. Unfortunately, it can be difficult to switch providers once one is selected due to vendor lock-in [2].