| A Brief Architecture Overview Of VMware ESX, XEN And Windows Server Virtualization |
| Wednesday, 20 June 2007 by Michel Roth | |||
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"It is my feeling that there has been a bit of confusion lately around how hypervisors are being positioned by the various vendors. I am specifically referring to the three major technologies that seem to be the most relevant strategically going forward: • VMware ESX • Windows Server Virtualization • Xen VMware ESX is the VMware flagship hypervisor product: it's the basis for the Virtual Infrastructure version 3 framework. Windows Server Virtualization is the next generation hypervisor that Microsoft is going to use in the Longhorn time frame and that is currently being developed. It's basically the successor of Microsoft Virtual Server. Xen is an opensource hypervisor that is being integrated by a number of players which include RedHat, Suse, XenSource and Virtual Iron. There are three major areas of confusion for us "human beings" trying to determine which approach and which solution makes more sense. These areas are: • The architectural implementation of the hypervisor • The hardware assists (Intel-VT, AMD-V) dilemma • The paravirtualization dilemma Read the article here.
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