Service providers of web hosting specialize in the provision of space on their servers or in some instances lease them and also provide connectivity, others engage in collocation services which involve incorporating third party servers into the host's data center.
There are many variations of hosting, personal website hosting which unlike business hosting usually comes free of charge - this small scale hosting entails the use of Full Transfer Protocol (FTP) or interface.
Most business sites make use of hosting packages that include database support and application development platforms such as Ruby on Rails, Java, Cold Fusion, PHP and ASP.NET which enable script installation, while SSL is a must for e-commerce. Site uptime is also a key factor in the provision of services as it entails accessibility of the host, and it is therefore desirable for any service provider to achieve at least 99.9% uptime, even though restarts and maintenance activities are inevitable factors for any hosting service.
The contractual agreements in many cases take these factors into consideration, and refunds or discounts are common place as a way of mitigating the effects of such performance flaws.
Offers of limited web hosting services are often free of charge, and in most cases they are supported by advertisements, while shared web hosting services undertake the placing of many sites on a single server, and these may share RAM and CPU resources. Reseller web hosting enables you to become a web host in your own right, you will assume administrative functions for respective domains on your very own virtual dedicated server to a collocated server.
The Virtual Private Server (VPS) or Virtual Dedicated Server can have virtualization implemented for the capacity to shift a VPS container between servers, and resources can be allocated in such a way that does not reveal the underlying hardware, and maintenance of servers can also be carried out by the customer themselves.
Gaining full control of one's server is a must for some customers and this can be done with the dedicated hosting service, despite the fact that he/she may not own a server, an economy version of the dedicated hosting comes in the form of self managed or unmanaged, and access to the administrative box is 100% complete.
Managed hosting service on the other hand, does not allow virtual control but it includes a web server and data management via FTP, this is done to prevent faults due to incorrect user modifications.
Collocation web hosting service is identical to the dedicated web hosting service and the user claims ownership of the colo server, however, the user will have to dig deep in their pockets because it is a premium hosting option.
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