Shulou(Shulou.com)06/02 Report--

What's the difference between a server and a virtual host? Many novices are not very clear about this. In order to help you solve this problem, the following editor will explain it in detail. People with this need can come and learn. I hope you can gain something.

A server is a device that provides computing services. Because the server needs to respond to the service request and process it, generally speaking, the server should have the ability to undertake and guarantee the service.

The virtual host can be regarded as a point in the server, and the virtual host is also called virtual space, which divides a certain disk space in the server to place web program components to provide data storage and transmission functions. The function is relatively few, the disk space of this virtual host can be arbitrarily divided into 50m, 100m, 1G, only a small space that can meet the normal service of the web site. A server can be divided into many virtual spaces, depending on the space of the server.

According to the different types of services provided, the server can be divided into: file server (File Server), database server (Database Server), mail server (Mail Server), web server (Web Server), FTP server (FTP Server), domain name server (DNS Server), application server (AP Server), proxy server (Proxy Server), computer name conversion server and so on.

The composition of the server includes processor, hard disk, memory, system bus and so on, which is similar to the general computer architecture, but because of the need to provide high and reliable services, therefore, it requires high processing capacity, stability, reliability, security, scalability, manageability and so on.

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