Web Hosting Flavors: The Famous 4 - VPS Hosting
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What is it?: Another form of virtual hosting is Virtual Private Server(VPS) aka Virtual Dedicated Server (VDS), which creates several logical/virtual servers on a single physical server using software. The major difference in shared and VPS hosting is how the resources are shared. Each virtual server created this way performs as if it were an independent physical server and eliminates the disadvantages of shared hosting.
Pros: Unlike shared hosting, since each virtual server in VPS hosting is partitioned from other virtual servers, a technical problem in a site hosted in one partition does not bring down the entire server. Also, in most cases each VPS account receives a fixed allocation of CPU resources and disallows one account from hogging up the entire system resources. Each VPS account comes with a shell access and can also have its own security policies.
Cons: "Overhead." Since each VPS account runs applications within its own allocated space and resources, extra memory is required to cover the overhead. Also, if the VPS service is not managed by the provider, the client is required to know how to configure and manage different applications and services.
For Whom?: Excellent choice for someone looking beyond a shared hosting package, but is not ready yet for a dedicated server.
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