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Tuesday, October 22 • 1:45pm - 2:30pm
COLO: COarse-grained LOck-stepping Virtual Machines - Eddie Dong, Intel & Xiaowei Yang, Huawei

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Virtual machine (VM) replication (replicating the state of a primary VM running on a primary node to a secondary VM running on a secondary node) provides software solution of application-agnostic hardware fault tolerance - “non-stop service”. Unfortunately, existing VM replication approaches suffer from excessive overhead, limiting their applicability and adoption. However, in practice there is no need for the secondary VM to perfectly match its machine state with the primary VM at all times, and this may be exploited to optimize performance. In this talk, we propose “COLO” (COarse-grain LOck-stepping virtual machine), a generic and highly efficient non-stop service solution, utilizing on-demand VM replication, and how we can extend KVM to support COLO. 


Eddie Dong

Architect, Intel
Eddie Dong is an virtualization architect of Intel Corporate, working in KVM from very beginning, and have made couple of talks in KVM forum and many in other conferences too. Xiaowei Yang is an virtualization architect if Huawei Technology, working in KVM area for many years as well. This is a joint talk from Intel and Huawei.

Tuesday October 22, 2013 1:45pm - 2:30pm
Edinburgh Suite

Attendees (10)