Definition: What does VPS mean? What can a VPS do? What is VPS used for?

VPS is the abbreviation of English Virtual Private Server, and the Chinese translation is "virtual private server" or "virtual private server". To put it simply, an independent server (physical machine) is divided into multiple "servers" through a certain "virtualization technology". The divided "servers" have the same functions as independent servers (physical machines). You can almost think of them as independent servers. The VPS can do whatever the server can do, but one is a real physical device and the other is virtualized on the real device.

So we must understand that in terms of resource usage, VPS will always be lower than a dedicated server or can only be infinitely close to a dedicated server, and cannot be equal to a dedicated server; in the future, everyone will also come into contact with VDS, Bare Metal Server, etc., which are also Similarly, as long as virtualization technology is used, there will be a certain performance loss, which cannot be equalized. No matter how awesome it is, one can only use the mathematical word "infinitely close"; finally, in the case of marketization, considering the cost and Profitable, so there are examples of oversold or multiple users competing for resources.

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