Nowadays Cloud hosting or simply cloud is the most confusing term among normal web users. Actually, it is not that complex. Cloud hosting is the advance form of normal web hosting. It is reliable, advanced, flexible and salable as compared to traditional one because of its model (Read Cloud Computing explained).
What is Cloud Hosting?
In a Cloud hosting, we fetch required resources from a large network of computers. All kind of services, softwares, hardwares & resources are networked altogether at one place. Users can use cloud as infrastructure as a service (IaaS) or platform as a service (PaaS) according to their needs. (You should read: What is IaaS, PaaS & SaaS & Difference among them) To understand it further, lets find what makes cloud hosting different from traditional web hosting models.
You Should know: IaaS, PaaS & SaaS are three models of Cloud Computing.
Difference between Cloud hosting & traditional hosting
The term web hosting means providing Internet space & resources to host a website. When we are talking about rent web hosting, we are talking about web space, bandwidth, dedicated IPs & other requires server resources.
Now the model of web hosting has been changing from time to time. Be it shared hosting, VPS Hosting, Grid Hosting, Dedicated hosting & now the Cloud Hosting.
When we are talking about normal web hosting or the traditional web hosting, we mean shared or VPS or dedicated web hosting. Let's understand the difference between these & the cloud hosting.
Also read Best Cloud Hosting for WordPress
Shared Hosting/reseller Vs Cloud Hosting- In a Shared hosting, a certain server with some fix configuration is shared among a number of users. You share disk space, CPU, RAM & other resources among the other users hosted on the same server. Also the configuration (such as Operating system, RAM, CPU cloak speed etc) remains unchanged.
However a Cloud hosting is like a virtual private server in which you have the independence to chose RAM size, OS, virtualization flavor. You do not share any kind of resourced with anyone.
Virtual Private hosting vs cloud hosting: VPS hosting is much similar to cloud hosting where client gets a virtualized private server with certain resources which won't be shared with anyone else. But the difference here is the efficiency. (Read about: Free Linux VPS hosting )
Since client is allocated a guaranteed amount of resources that can never be rerouted to other clients. This means that one client could have multiple free resources, while another is overloaded. (Some companies do offer the upgrade of your VPS resources but it takes alot more time as compared to cloud where it gets done in a few clicks) Check- Selec
Difference between Cloud server & dedicated server: In both cases you get dedicated resources but the speed of operation is the difference. In cloud, you can upgrade yourself to a higher droplet (higher configuration) with some clicks.
However, in a dedicated server if you wish to upgrade your resourced, you need to contact your server provider, then they will take the backup, shut the server down and increase the resource (hard disk, RAM or whatever). The whole process takes hours or days in some cases.
Must read: Tip to decide the best cloud host
A cloud server is always available for you but if you just have purchased a dedicated server with certain configuration, they will take at least 2 hours to set it up and make it online. More here