The overlap

Much of the confusion about the two terms stems from the fact that there is actually quite a bit of overlap between the two concepts. Without the ability to virtualize servers, the cloud would not be able to operate.

Recently, Jeremy Gumley released an article explaining the different between two. “Think about it this way: A cloud storage provider uses servers in a data center to host their storage. Without virtualization, the provider would essentially need one server per client or per group of clients” says Jeremy.

With many popular storage providers having millions of users, they would need to have an obscene amount of servers. So what they do is virtualize multiple servers and house them in one server. In other words, virtualization allows the cloud to function.

It's important to realize that the cloud is still reliant on servers, just as virtualization is. The main difference is that when companies virtualize, they usually host the servers on-site. When companies go 'to the cloud', they usually connect via the Internet to servers that are hosted off-site (outside of the organization).



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