Network operation principle/network Architecture/http Protocol

1 Network Architecture
b/S Architecture: Browser/server
Web site (performance on the server)
C/S Architecture: Client/server QQ Fast broadcast big company game client (performance depends on your computer)
Window
Mac

DNS: The domain name resolution system sometimes appears QQ can be used by the website can not access to reset mobile DNS

1.1. HTTP Protocol

http/www.itsource.cn

1,HTTP is Hypertext Transfer Protocol(Hypertext Transfer Protocol) shorthand, it is TCP/IP an application-layer protocol above the protocol that defines WEB Browser and WEB The process of exchanging data between servers and the format of the data itself.

2,theHTTP Protocol is a network transport protocol, using the request / Response method of transmitting data;

3 . What exactly does the HTTP protocol constrain :

1. constraints the browser in what format to the server to occur data :

2. constrains the format in which the server should accept data that occurs on the client :

3. constrains what format the server should use to feed back data to the browser ;

4. constrains the format in which the browser should receive data from server Feedback .

4. HTTP interaction Features:

The browser sends data to the server : one request

Server feedback data to the browser : One Response

one request, one response, Multiple requests correspond to multiple responses;

Network operation principle/network Architecture/http Protocol