http protocol --01 basics

Internet principle

  • When we need to enter the Internet URL in the browser, which is the url. The computer will then send the url to a DNS server, which gives us the corresponding ip. Browser to find the web server to find the appropriate resources to the browser display according to ip.
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HTTP

  • Hypertext Transfer Protocol is a communications protocol that allows the hypertext markup language document is transferred from the Web server to the client browser.
  • Object-oriented protocol is an application layer, due to its simple, fast way for distributed hypermedia information system. Observe it in 1990, after several years of use and development, constantly improve and expand

Web and HTTP

  • WEB is based on hypertext and HTTP, global, dynamic interactive, cross-platform distributed graphic information system
  • Built on the internet of a network service. Find a browser and browse information on the Internet provides a graphical, easy access to an intuitive interface, which documents and hyperlinks to organize information into a node on the Internet interlinked network structure

HTTP birth

  • October 1990

To be continued

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Origin blog.csdn.net/qq_44171009/article/details/104683325