Virtual Private Servers

You must have heard the term ‘virtual private servers’.

Do you know what it is? It is nothing more than a marketing term used by web hosting services. It is a machine that is utilized by a single user of web hosting service.

A virtual private server or VPS is a virtual machine or software running on the same physical computer as of other individuals but is marketed as:
• A VPS is designed to perform specifically to meet individual needs
• An individual has the privacy of a different physical computer
• A VPS can be configured to operate as a server software

Many companies and individuals, in spite of the fact that it is essentially the same server, invest heavily in a VPS. Why?
This is because of its uses, advantages and superiority over other servers. Each aspect is discussed in detail below.

Main uses of VPS
The function of a VPS is to act as a bridge between dedicated hosting services and shared web hosting services. This provides the customer or user of a VPS with a less costly solution. Since a VPS operates on its own operating system, users have a high-level access to that operating system where they can operate any operating system-compatible software. As a lot of users are using a single computer or hardware, VPS has limited disk space, RAM and processing time.

Cloud VPS Solutions
A dynamic virtual private server or a virtual private server that has runtime is known as a cloud server. The main features of a cloud server are
• CPU, RAM and other hardware can be added at server runtime
• During its operation or runtime, a cloud server can be relocated to other hardware.

Given its advantages, cloud computing has become very common among large organizations and businesses. With hundreds of certified cloud solutions in the market, one can work to optimize their business costs, provide business flexibility and responsiveness leading to a significant increase in business value.

Virtualisation software
Virtualisation software functions as an emulator to complete a computer system to allow a guest or new operating system to run on the existing system. In simple words, it permits a single host computer system to create and operate more than one virtual environment. For instance, PC allows Linux guest operating software) to be operated on it which is originally running the Microsoft Windows software.

There are different types of virtualisation softwares. One of the common systems is a storage virtualization which is the abstraction and a logical storage.
A few examples of virtualisation software are Bochs: x86 emulator, MacOnLinux: emulator platform Mac OS on Linux PPC, and Microsoft and Microsoft VirtualPC VirtualServer owner, x86 emulator.

VPS as an Emulator
An emulator can be hardware or software in the world of computing that duplicates one computer’s function in a different computer due to which the functioning of the latter computer resembles the first one.
A VPS can also perform the function of an emulator. Using the basic function of an emulator, a VPS can copy the operating software and applications of one computer system to another system.

Hybrid VPS
A VPS machine operating on hybrid servers is known as a hybrid VPS. It is a high-end VPS with higher level of CPU share. It allows for almost 80% more growth and performance.

Advantages of VPS
There are many advantages of using a VPS. Some of them are:
1. No maintenance of the server is required by the user as the owner will maintain the virtual server.
2. More than one virtual server can be linked with more than one virtual machine allowing you to share your server with different companies’ data.
3. A virtual machine will never interact or see other servers even if they are sharing the same server. Only authorized users can access it.

Disadvantages of VPS
As with all things, VPS comes with its share of disadvantages as well. These are:
1. Since a VPS is being shared among various users, an individual may experience slow server response time, delays or other errors.
2. When you are using shared VPS solutions, you will need to regularly update and apply patches for operating systems on your own virtual server. You have to face and solve software incompatibility issues and various technological problems.
3. If you are using heavy disk I/O you may want to switch from a VPS to a physical dedicated server.

Price/costs
The pricing of a VPS depends on various factors, the top being locations. For instance, VPS cost in Asia is the lowest while US has a moderately ranged VPS service. The choice of VPS depends on your intended user target. For instance, if your target user is in Australia, then having a VPS in US will cause delays and high response times. An Australian-based VPS will better serve your needs.

VPS vs. Dedicated vs. Shared
When you go for web hosting solutions, you will face four options – VPS, dedicated VPS, shared VPS or cloud computing. Each option comes with its own advantages and disadvantages.

VPS purposes
VPS works well for users who do not want to spend a lot of money in dedicated servers but have a large website that cannot work well on a shared server. A VPS in this situation provides a portion of the server to the user where each portion is acting as a dedicated server.

Dedicated VPS
When you have a large website which requires a high bandwidth, a dedicated VPS is the best. You need to understand every technical aspect of a dedicated server as you will be responsible for all issues and problems.

Shared VPS
Shared servers are used by individuals who do not require a vigorous server solution and are operating a small to medium-sized website than a shared VPS is the best solution. The service offers a lot of disk space and bandwidth without any technical maintenance headache.

Choosing any of the aforementioned types of virtual private servers depends on your need and budget. Think well before making a decision.

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