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Computer Laboratory
Xen virtual machine monitor
Computer Laboratory > Systems Research Group > NetOS > Xen virtual machine monitor
The Xen™ virtual machine monitor
Modern computers are sufficiently powerful to use virtualization to present the illusion of many smaller virtual machines (VMs),each running a separate operating system instance. Successful partitioning of a machine to support the concurrent execution of multiple operating systems poses several challenges. Firstly, virtual machines must be isolated from one another: it is not acceptable for the execution of one to adversely affect the performance of another. This is particularly true when virtual machines are owned by mutually untrusting users. Secondly, it is necessary to support a variety of different operating sy
Gna! server did not survive a reboot while upgrading its main OS. It should be fixed and replaced by new hardware if needed by Tuesday, Feb. 14.
(It was originally planned for Friday, then Saturday. It’s now sure to be this tuesday.)