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Xen VPS Hosting

Xen is known as a virtual machine monitor in the computer world. Xen was built with a distinguishing feature allowing more than one guest operating system to run on the same computer hardware at the same time without interference. This is important to hosting providers and their clients because it makes virtual hosting even simpler to run and use, even though Xen is one of the most advanced virtualization technologies in its class.

Virtual hosting is done in a way that saves the hosting client money. This is made possible because virtual hosting providers can run several servers off of one actual computer. A single computer is divided into fractions. Visualize a pie and all the slices that make it whole. Each client is given a slice of that pie. Their slice of pie or server in this instance is completely individualized. Clients are then free to install hardware and software to meet their needs without having to share valuable bandwidth and disc space.

Virtual server hosting has its own advantages. Each server can be rebooted at anytime without disturbing another server on the actual computer because each server has its own operating system. Virtual servers are easy to maintain and manage, both which can be done by an individual client or by the hosting provider.

Xen VPS hosting provides its clients with full isolation. This means absolutely no sharing of bandwidth, disc space, memory, or management techniques. Isolation is an important factor in the security of a Xen server. Clients do not have access to any server and the information stored on it but their own. In the age of computer hacking, increased spam, and piracy, security is valuable.

Clients using a Xen VPS hosting provider are permitted to compile their own kernels. The kernel lies at the heart of most computer operating systems. It provides a needed and vital connection between applications and data processing. The ability to compile one’s own kernels gives the client more freedom to completely individualize their server based on their own needs. Client A may find certain applications vital to running their website while client B may have no use for them and find a completely different set of applications useful.

A Xen server also allows individual clients to run their own modules. Modules are files that contain codes needed to extend the running kernel. These are usually referred to as a Loadable Kernel Module (LKM). Loadable kernel modules give extra support to hardware and file systems. An advantage to using a loadable kernel module is that once it is no longer needed, it can be removed from the server. This frees up valuable space needed for storage and memory.

Xen hosting does not indulge in cramming multiple servers into nodes. Nodes are used to link data structures such as computer networks. Some hosting providers, minus Xen providers, stuff as many servers onto one network as possible as a time and money saver. When this happens many servers are connected. Some contain limited data and references to data in other nodes. This continues throughout the network with each node containing different data and different references, sort of like a chain of information with each link being the node.

The three above factors allow Xen VPS hosting services to run on a higher level than other servers. Also, when Xen is run, the entire RAM is given directly to one server. No two clients have to fight over RAM since each has been allocated their own. RAM, which stands for Random Access Memory stores data on the computer. This is vital to many websites, especially those running complex sites with high traffic. Clients can access the RAM on their server at any time.

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