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Xen the Open Source Virtualization

October 24, 2006

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 ServerOnce 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.

Xen Is an Open Source Technology

The Xen hypervisor is a unique open source technology, developed collaboratively by the world’s best engineers at over 20 of the most innovative data center solution vendors, including Intel, AMD, Cisco, Dell, Egenera, HP, IBM, Mellanox, Network Appliance, Novell, Red Hat, SGI, Sun, Unisys, Veritas, Voltaire, and of course, XenSource. Xen is licensed under the GNU General Public License (GPL2).And best of all, as an open source technology, Xen is available free for download. XenSource also provides simple tools for the community to download, install, test and develop using Xen.

XenSource Products – Xen 3.0

Xen هو بيئه Vrtualization تمكنك من تشغيل أكثر من نظام تشغيل فى نفس الوقت و هى مفيده بالنسبه للمبرمجين و أصحاب الخادمات الذين يودون بناء VDS – Virtual Dedicated Servers والتى تمكنهم من تقسيم الخادم المادى الى عدة خادمات وهميه و ـاجير كلاً منها بشكل منفصل و تشغيل كلاً منها بشكل منفصل أيضاً دون التأثير على الخادمات الوهميه الاخرى و لا على الخادم المادى الحقيقي – إنها فعلاً تقنيه رآئعة و يشرف عليها و يدعمها شركات كبرى .

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