C/s also known as client/server or client/server mode. Servers typically use High-performance PCs, workstations, or minicomputer, and use large database systems, such as Oracle, Sybase, Informix, or SQL Server. Clients need to install dedicated client software.
b/S is the abbreviation for Brower/server, as long as the client installs a browser (Browser), such as Netscape Navigator or Internet Explorer, the server installs Oracle, Sybase, Informix, or Databases such as SQL Server. The browser interacts with the database through Web Server.
The advantage of C/s is that it can give full play to the processing ability of client PC, many work can be submitted to server after client processing. The corresponding advantage is that the client responds quickly. The disadvantages are mainly as follows:
Applies only to local area networks. With the rapid development of the Internet, mobile office and distributed office more and more popular, which requires our system to be extensible. In this way, remote access requires specialized technology, while the system is designed specifically to handle distributed data.
Clients need to install dedicated client software. First involves the workload of installation, followed by any computer problems, such as viruses, hardware damage, need to install or maintenance. In particular, there are many branches or stores, not the workload of the problem, but the distance problem. Also, when the system software is upgraded, each client computer needs to be reinstalled, and its maintenance and upgrade costs are very high.
There is a general limit to the operating system of the client. May be adapted to Win98, but not for Win2000 or Windows XP. Or not for Microsoft's new operating system, let alone Linux, Unix, and so on.
The biggest advantage of B/s is that it can be done anywhere without installing any specialized software. As long as there is an Internet-capable computer can be used, client 0 maintenance. The expansion of the system is very easy, as long as the Internet, and then the system administrator to assign a username and password, you can use. Can even apply online, through the company's internal security certification (such as CA certificate), do not need people's participation, the system can be automatically assigned to the user an account into the system.
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
