Benefits of Virtual Private Servers

A virtual private server is a shared server which runs inside of a virtual physical server. Many companies are now offering virtual private servers including FreeVSD, Ensim, and Sphera.

A virtual private server is a shared server which runs inside of a virtual physical server. Many companies are now offering virtual private servers including FreeVSD, Ensim, and Sphera. The latter two do not host anything, but license their virtual private server technology to other hosting companies.
Each private server has performance isolation. This means that any heavy CPU load or traffic will not affect the other private servers which are using the same physical server. However, each server will have limits on process, memory, and CPU. Each private server has functional isolation. This means that a virtual private server will not share services or applications with other private servers. Each virtual private server will not share a file system with any other private servers. Each virtual private server is invisible to all other servers and no processes are shared. Each private server has fault tolerance. This means that errors or faults which are on one private server will not affect any other virtual private servers. Each virtual private server gets IP addresses and network stack.
With a virtual private server you are afforded root access to the individual private servers. This means that you can run your applications and completely manage your virtual private server the same as you would with a dedicated server. With a virtual private server you are guaranteed QOS/SLA. This means that you have guaranteed bandwidth, uptime, disk space, CPU, and memory. With a virtual private server there is enhanced security. This is due to the fact that private virtual servers do not share processes, TCP or IP stacks, nor do they share disk space.
There are many reasons why you would need a virtual private server. The main reason is because most users want a dedicated server which they can control, virtual or not. This is so that they are able to install their own applications and run them. They also want security. They want to make sure that they will never share space with other customers. Another reason that users want a virtual private server is for the isolation. They want to be able to eliminate any risk of downtime based upon the mistakes of other people, faulty scripts, hacks, or attacks. Users also want virtual private servers because they want optimum performance. This means that their website is growing and they need additional resources to ensure that it continues to grow.
These are many of the reasons why users are turning toward virtual private servers in lieu of dedicated servers. Initially, before the major popularization of virtual private servers, users went toward dedicated servers to provide the aforementioned items. They sought the same performance, security, and control from dedicated servers. However, with a dedicated server, many sites are using as little as five percent or less of the dedicate machine. This is where the benefits of virtual private servers really shine. The use of virtual private servers offer the same benefits users sought from dedicated hosting accounts but for a fraction of the cost.

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