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Assessment

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Hypervisor at Home	Gist of It	Who Uses it?	Compelling Pros	Con for BonsaiFramework	GUI Management Tools
KVM	Uses Linux Kernel as hypervisor.	Google Cloud. Lots of hosting providers.	Google participates to secure the Code.		VMM (Virtual Machine Manager) virt-manager
Microsoft Hyper-V	Not very clear if I need to have Windows Server installed.
VMWare VSphere			Longest history in virtualization commercially.	Need specific network card.
Xen	Install a base OS like Ubuntu. Then install Xen which then overrides and makes itslef the main OS and your original Ubuntu install a virtual machine called dom0 which you use to manage your other virtual machines.	Amazon. Rackspace Cloud is also powered by Xen with OpenStack.			virt-manager XenCenter (which runs on Windows)
XenServer	More complete product for large data (monitoring, orchestration ect...). Has GUI client for Windows. You can buy licensed support from Citrix. Simpler setup with pre-packaged CentOS 5.x as dom0. Citrx outlines very slight differences features btw Free and Enterprise.	Citrix.		Need specific network cards.	XenCenter (which runs on Windows)

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Notes