When choosing a web host, there’s a lot to take into consideration. Do you need shared hosting, a virtual private server (VPS) hosting plan, or a fully-fledged dedicated server? Perhaps you are about to launch your business into “the cloud” with a cloud hosting service? Whatever kind of hosting you are looking for, one thing is for sure – your website is no good to anybody if it is inaccessible or offline.

Increasingly, web hosting providers make claims to offer so-called high availability, introducing service level agreements (SLAs) to guarantee that your web presence is consistently online. But what does high availability really mean? And if a web host promises high availability, high redundancy hosting, what is the tangible impact of this on your capability to serve customers?

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