If you have grown your websites to a point where they attract thousands of visitors per day you will need to think about more powerful hosting options than shared or reseller hosting. If you cannot afford a dedicated server at this point but require the same performance and stability, then VPS (virtual private server) hosting may be the best solution for you.
VPS hosting consists of a server divided into multiple isolated accounts, and each VPS account has its own independent operating system with it's own web server and mail server resources, no sharing here. Just like a dedicated server, you can have access to all configuration files within your account which means a greater ability for you to install and run custom software should you choose to.
In addition to providing more control over your hosting environment, VPS hosting accounts are more secure than shared hosting accounts. If a hacker were to find access to a shared server he could damage any or all of the websites on that server at once. But because a VPS server is divided into isolated accounts, even if a hacker were to gain entry through one account there is no way to access the others.
More experienced webmasters may wish to manage the technical aspects of their VPS accounts, but this can be a time-consuming and complicated task. It's little wonder many people prefer to have their VPS hosting accounts fully managed by the hosting provider. Usually you'll pay a few dollars per month extra for this, but this can free up your valuable time and energy to concentrate on content and website promotion.
You can expect to pay $40-$60 per month for an entry-level, fully managed VPS hosting account and this will allow you to run multiple sites from one account just like a reseller account. You'll be provided with an operating system, control panel, your own allocation of RAM memory, plus large space and bandwidth resources. A minimum of 256MB guaranteed ram is suggested in order to run your control panels and database driven sites smoothly. For higher traffic sites consider 384MB or 512MB of guaranteed ram or more.
If you are interested in VPS web hosting view the following VPS hosting reviews which feature a number of reliable and affordable VPS hosting providers.
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