The Novice stationmaster must know

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What is IDC?

IDC is the abbreviation of Internet Data Center, the full name is "Internet Datacenter".

Internet business:

Basic business: such as ADSL, telephone, optical fiber.

Value-added services: Server leasing, server hosting, space sales, domain name sales

The entire network environment:

Outside → website →IDC

Outside visitors visit the website, the website extracts data from IDC to the viewer.

Group: The group that needs network resources.

Content: Rich content on the Web page.

Group → content → server → network data center

Now there is a big fat group needs the network, need to get all kinds of information and content from the network. Content providers that need a normal page display to get some revenue. However, the normal Web page is the server, the server needs to be placed in the network data center provided to the server a network environment.

㈠IDC's computer room: The company placed the server, these servers need to provide a computer room is a network environment, the need is "bandwidth", "Uninterruptible Power Supply" (UPS)

Virtual Host:

Concept: Server on the Internet, virtual become several servers or several hosts. The virtual directory divides the host into multiple virtual directories, each of which is a separate body, and such hosts become virtual hosts.

Popularly said: In the same hardware, the same operating system, running for multiple users to open different server programs, and each user has its own part of the system resources (IP address, file storage space, memory, CPU time, etc.).

Advantages: The virtual host is the Internet on the establishment of information resources site is the most popular, most convenient, the most cost-effective way, enterprises need only register to apply for their own Internet domain name, and rental Internet real host on a certain amount of disk space, you can establish a separate information publishing site.

25058.html "> Enterprise Construction Station:

In the past, a company had to build a website through the following methods: At least one dedicated Web server, an email server, a firewall, a minimum of 64K DDN line, a professional server management staff, the cost of less than 100,000 yuan a year, and this is a way without hot backup, Therefore, stability and security are not high security. To improve the feasibility of the need to increase the machine, increase the bandwidth, and this cost is very expensive, not the average enterprise can withstand, now can be implemented with a virtual host.

Servers and PCs:

The internet now has billions of computers, which boil down to two broad categories: client and server. A client is a machine that accesses other people's information. When you go online through the Post office or other ISP, your computer is temporarily assigned an IP address, using this temporary ID, you can get information in the ocean of the Internet, when you disconnect, your computer will be removed from the INTERNET,IP address is also withdrawn. A server is a machine that provides information for others to access, often called a host. Because people can access it at any time, as a host must be connected to the Internet every moment, with its own permanent address. This will not only have to set up dedicated computer hardware, but also to rent expensive data line. Then you need to find a IDC operator to place your server.

Website development platform corresponding language, database

Windows supports Web sites developed by the Asp/asp.net language. Access/ms SQL database.

Linux supports Web sites developed by the php/jsp language. Only databases that support my SQL.