An adaptive virtual machine replication algorithm for highly-available services
作者： Adrian Colesa , Bica Mihai
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摘要: This paper presents an adaptive algorithm for the replication process of a primary virtual machine (VM) hosting service that must be provided high-availability. Running in VM and replicating entire is general strategy, totally transparent itself its clients. The takes place phases, which are run asynchronous efficiency reasons. adapts to running context, consisting behavior available bandwidth between backup nodes. length each phase determined dynamically, order reduce as much possible latencies experienced by clients service, especially case degraded connectivity We implemented our extension Xen hypervisor's migration operation. It proved better than non-adaptive variants.
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