Back in the day, it was either shared or dedicated hosting. Many of the companies dependant on superior load times and in need of a lot of disk space have gone with dedicated hosting. It became their primary option. When cloud technologies started to develop, some people switched to cloud server hosting instead. Plenty of companies use cloud hosting without experiencing many problems. Dips in performance and unexpected downtimes, both fairly common in shared hosting, can be prevented here.
I've observed or been a part of buying decisions for a few thousand server customers, from small-business owners getting a website online for the first time to established platforms with tens of millions of visits every day. While each of those purchasers had different requirements and priorities for a cloud server, a few key deciding factors were consistent across those decisions:

One of the most popular hybrid cloud configurations is to use dedicated servers for back-end applications. The power of these servers creates the most robust environment for data storage and movement. The front-end is hosted on cloud servers. This configuration works well for Software as a Service (SaaS) applications, which require flexibility and scalability depending on customer-facing metrics.

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If you're looking for a real-time example of cloud hosting, what better example can someone give other than Google itself? The king of search engines has got its resources spread over hundreds of servers on the cloud, no wonder you've never seen facing any downtimes over past decade or so (I don't remember seeing it down – planned maintenance of services like AdSense and AdWords are a different affair altogether!)
A cloud server is powerful physical or virtual infrastructure that performs application- and information-processing storage. Cloud servers are created using virtualization software to divide a physical (bare metal) server into multiple virtual servers. Organizations use an infrastructure-as-a-service (IaaS) model to process workloads and store information. They can access virtual server functions remotely through an online interface.

Since Linux is a free OS, most Linux hosting plans feature a lower cost. Many programs are also free. WordPress, Joomla, and other open-source programs were developed using Linux and are highly compatible with this operating system. Perl scripting is only available on Linux. Linux systems are renowned for their stability and get a lot of scrutiny for security from the open-source community.
It only takes three letters to pique our interest in a particular hosting plan. SSD, which stands for solid-state drive, gives servers a performance and reliability boost that can’t be ignored. Yes, the upgraded option typically comes with a slightly higher price tag, but up to 20-times faster page loads make SSDs seem more than worthwhile. By including SSDs in their cloud network, hosting providers are showing a dedication to customer success and service that matters. Take a look at our top pick for SSD cloud hosting:

Don't see a service that fits your specific hosting needs? Don't worry, we have you covered! We offer a wide range of solutions bound to meet your requirements ranging from Shared, Reseller, VPS, Dedicated and everything in between including Managed WordPress. Just click the button below to visit our Web Hosting comparison page. That's where you'll see a full breakdown of all our of our high speed hosting services.
In the Cloud, there is an option to integrate additional resources if needed. RAM, disc space, or bandwidth, etc., can be added with few clicks and dismissed when no longer needed without financial loss. Thus, Cloud hosting can also be defined as a web hosting solution that provides resources on demand. It is dynamically scalable and customizable according to the needs of the customer. No large investments are required. Unnecessary resources can be removed without any cancellation or further fees.
You are responsible for your backups and web content. We create our own weekly backups of Cloud servers, and we can restore your web, email and database content from those per your request. However, this is NOT a procedure you should rely on to keep copies of your content safe; we recommend you make your own backups. You can take a backup from your cPanel.
ResellerClub maintains weekly backups for disaster recovery, and on request, for a fee, we may be able to restore your web, email, and database content subject to availability. However, we recommend you to take full responsibility for your own backups and NOT rely on ResellerClub to keep copies of your content safe. Alternatively, you can set up automated backups through CodeGuard.