A Virtual Private Server, or VPS, is a type of Web Hosting that is positioned between a shared hosting account and a dedicated server which would be used for only your needs. Virtual Private Server technology provides numerous isolated server environments residing on a single physical server machine. The VPS is a better choice than shared hosting for situations where you have more than one website, when the website or websites generate a lot of traffic or use a lot of resources, and/or you would like to set up the server in a special way that isn’t available with shared hosting.
The main differences between Virtual Private Servers and shared hosting are control, performance, isolation, and cost.
When you have a VPS account, you have control over the configuration of the server. You can add different programs or libraries to your system configuration yourself, allowing you maximum flexibility for your fast growing Online Business. You also have control over the port environment, and can reboot the server at any time. This does, however, require some knowledge of system administration. Shared servers are preconfigured, and no single user has the ability to change the server’s configuration, however they also require no system administration knowledge.
With a VPS you are allocated system resources rather than sharing them with other websites as you would with shared hosting, guaranteeing you a level of performance that you won’t get with shared hosting. If your traffic and space needs are minimal to average then shared hosting may be suitable, but with high traffic websites you need to know that any spikes in traffic will be handled by the resources available to you, without having to share resources across a pool of other sites. Shared hosting means that you have to share the server’s resources with other users, which can often result in site slowdowns if another individual’s website is hogging resources.
A VPS provides your site or sites with a server that is isolated from others, so that the resources allocated to you are fully dedicated to your sites and available to your sites at all times. A VPS typically has its own IP address, rather than sharing a single IP address across numerous site owners the way shared hosting does. Shared hosting allocates resources to a pool of sites, and any one site can hog those resources. The chance of a DDoS attack on another site on the server impacting your site’s performance is significantly increased when you use shared hosting. With VPS the degree of insulation between the different VPS environments reduces the risk of unauthorized access by others.
Typically shared hosting is very reasonably priced and adequate for most average websites. However, if you require more performance, more customization of the server environment, more control and more isolation to ensure your site adequate system resources, and more security, then the step up in cost to a Virtual Private Server will more than pay for itself in uptime and load speed.
With the VPS environment, you are allocated a certain amount of disk space and memory. Though there are other VPS on the same server and the potential exists for another VPS to affect hardware performance, the limits built into the system allow for excellent monitoring capabilities and load balancing, so that there is much less chance for one individual’s site to impact the performance of others. VPS hosting is also inherently more secure than the shared hosting environment.
Because a VPS can have its own private mailserver, there is less risk of your IP or domain being blacklisted for spam. You will also be able to specify that your employees access email through a secure socket layer, allowing for much more privacy and security for your email transactions. Because you have control of Your Own VPS, you can also install antivirus solutions which isn’t installed with shared hosting due to the resources they consume..
If your web hosting needs have outgrown the ability of shared hosting, then a Virtual Private Server may be worth a serious look.

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