| By :
Dirik Hameed
What is Xen cloud server hosting and what are its benefits to you as an end user or as a business are good questions that need answers. New technology makes it hard to keep up with the changing tides. Xen host was in the beginning a research project at a well known college. In time the project was so successful that it led to starting a business, then getting bought out and changing names, and finally becoming open sourced for all. The Xen system is made up of different layers of software. The bottom layer is the hypervisor and has many privileges. The hypervisor can support several operating systems that are scheduled for running on the CPU. The initial guest operating system is called domain 0, referred to as dom0 in Xen terms. The dom0 is automatically started up during the hypervisor boot and gets its privileges. System administrator's have power to get into dom0 and maintain all other guest operating systems, who are known as domU, or domain users. The hypervisor has become the industry standard for virtualization on various CPU architectures. It can support a wide array of guest operating systems including Windows. Xen hosting is the power behind most public cloud services and hosting services. Business virtualization byproducts along with desktop virtualization are developed with a Xen foundation.Those firms that want to harness the power of their server and combine farm servers, cut fees and complications, can gravitate towards server virtualization. The fastest and securest virtualization comeback around is the Xen hypervisor. The layer known as the hypervisor give each individual server access to one virtual server or several virtual servers working in the background. This helps to divide the operating system and its applications from the server below it. Xen hypervisor is the leading source in the industry. The best of the industry worked together and developed the system even further. The cloud framework was developed and they decided to make it open sourced. This means that all users get it for free in the object format and the source format. This locks in the deal that all business's will have access to Xen and this speeds up the realization that all users will eventually be on the system. The hypervisor doesn't drag out with excess code that isn't necessary. It only has 150,000 lines of Xen coding and that is lean for programing. This allows for better performance on the hypervisors part creating more room for guest operating systems and less overhead fees. The powerful Xen hypervisor protects its guests and itself from malicious viruses and device driver failures. Xen host has operating system neutrality, it is capable of allowing any operating system to be your domain 0. It is not bogged down with unrelated operating system overhead when processing guests. There is a whole community of support and help for this technology. The paravirtualization technology is now a part of mainstream enterprise. These reasons and more are what is Xen hosting and what are its benefits to you as an end user or as a business.
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