Wednesday, January 30, 2008

Xen Virtual Server

The Highest Performing Virtualization Software

Enterprises are embracing Xen for server virtualization because it enables them to increase server utilization, consolidate servers, and dramatically reduce complexity and overall total cost of ownership. Xen is the fastest and most secure virtualization software available today, enabling every server to support multiple virtual servers each with resource guarantees to ensure that its application layer SLA is met.

Server Virtualization with the Xen Hypervisor
With Xen virtualization, a thin software layer known as the Xen hypervisor is inserted between the server’s hardware and the operating system. This provides an abstraction layer that allows each physical server to run one or more “virtual servers,” effectively decoupling the operating system and its applications from the underlying physical server.

Run Applications on Any Server
Once a virtual server image has been created it can run on any server, at any time, and multiple virtual servers can simultaneously share a single server, increasing its utilization while receiving a resource guarantee that ensures that application layer performance criteria are met.

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