The server has many forms and functions. Micronet can be quite responsible to say that the entire Internet world basically depends on servers to run. The emergence of server rental services has made Internet activities more active and convenient, and Micronet is one of the symbolic members. Micronet has focused on server rental and hosting business for more than ten years, and has rich industry experience. Today, let's let Micronet take you to understand the purpose of most enterprises to rent servers.
Generally, the working mode of server software is client server (C/S) or browser server (B/S). There are many server forms, the most important Several use The way is as follows:
First database server (Database Server)
Data server is a data server composed of one or more computers running on the LAN and database management system software. It provides data services for client applications. Building database server based on database system, it not only has the unique characteristics of database system, but also has the functions of database management, database query and operation, database maintenance, database parallel operation, etc.
Second, web page The server (Web Server)
A network server is a special computer that provides users with certain services under the network environment. Its main function is to provide online information browsing services. The operation process is not complicated, and can be generally divided into the following four steps: connection process, request process, response process, and closing the connection.
Third, mail server (Mail Server)
As the name implies, the mail server is a device used to send, receive and manage e-mail. It is more secure and effective than the free mailbox on the Internet, so many enterprises will choose it. Users exchange mail by accessing the server. The server program usually runs in the system. On the one hand, it is responsible for sending E-mail to the local computer, and on the other hand, it is responsible for receiving E-mail from other hosts and sending various e-mails to each user.
Fourth Domain Name Server (DNS Server)
In fact, the domain name server is a server with DNS (Domain Name System), which is a hierarchical database that can realize name resolution, domain name conversion and corresponding IP address conversion. Resolve a domain name on a server, and then put the web page file on the server. The user's computer can get the web page information of the domain name on the server. This function is realized through the domain name server.
Fifth, FTP server (FTP Server)
FTP refers to the File Transfer Protocol. In fact, it refers to the protocol specially used to transfer files. The FTP server is a computer that provides file storage and access services on the Internet. It provides services according to the FTP protocol. In short, the server that can provide FTP protocol service is the FTP server.
Sixth proxy server (Proxy Server)
The role of agent server is to obtain network information on behalf of network users. It can be used for many purposes. The most basic function is connection. In addition, it also includes security, caching, content filtering, access control management and other functions. As a bridge connecting the Internet and the enterprise intranet, it plays an extremely important role in practical applications. In addition, the proxy server is an important security function provided by the Internet link level gateway, and its work is mainly focused on the session layer of the Open Systems Interconnection (OSI) model.
Seventh, application server (AP Server)
Application Server provides a simple and easy to manage system resource access mechanism for Web applications. At the same time, it also provides underlying services such as HTTP protocol implementation and database connection management. The servlet container is only part of the application server. The application server can provide other Java EE components besides the servlet container, such as EJB container, JNDI server, JMS server, etc.
Eighth File server (File Server)
The file server, also known as the file server, refers to a computer that needs to store the files shared by multiple computers in the LAN for the purpose of file sharing. This computer is the file server. The file server is a computer responsible for central storage and data file management, so other computers on the same network can access files at any time. Users can share file servers through the network without using floppy disks or other external storage devices, thus saving labor and time.
The server has many forms and functions. It can be said that the entire Internet world basically depends on servers to run. The emergence of server rental services has made Internet activities more active and convenient. If you have more questions about the server, please consult Micronet. Micronet is an IDC service provider focusing on server rental and hosting. With more than 10 years of industry experience, it is safe, stable, reliable and reassuring. It is a leading enterprise in the domestic IDC industry. It helps thousands of enterprises to achieve network informatization, 7 * 24 hours of manual service, after-sales care free, and has a good reputation.
