Lecture 1 的Internet andWWW(C).ppt

* 阅读材料 因特网简史 /internet/history/brief.shtml /wiki/Web_2.0 /web2/archive/what-is-web-20.html * 谢谢! * * * United States Senator Ted Stevens (R-Alaska) Series of tubes is an analogy used by former United States Senator Ted Stevens (R-Alaska) to describe the Internet in the context of network neutrality.[1] On June 28, 2006, he used this metaphor to criticize a proposed amendment to a committee bill. The amendment would have prohibited Internet service providers such as ATT and Verizon Communications from charging fees to give some companies higher priority access to their networks or their customers. This metaphor was widely ridiculed as demonstrating Stevenss poor understanding of the Internet, despite being in charge of regulating it. 英特网——某乡领导正在给群众传达“某组织通过英特网传递消息”的文件时，一群众问：什么是英特网? 乡领导愣了一下，既而解释道：英特网就是英国的特务网！ The Internet is a global system of interconnected computer networks that use the standard Internet Protocol Suite (TCP/IP) to serve billions of users worldwide. It is a network of networks that consists of millions of private and public, academic, business, and government networks of local to global scope that are linked by a broad array of electronic and optical networking technologies. The Internet carries a vast array of information resources and services, most notably the inter-linked hypertext documents of the World Wide Web (WWW) and the infrastructure to support electronic mail. The WWW is a worldwide set of documents formatted in a language named Hypertext Markup Language and delivered by HTTP(S) via the Internet. A key aspect of the Web is that the pages are connected to each other through text references called hyperlinks (or just links) * 1986年北京市计算机应用技术研究所“中国学术网” * 1986年北京市计算机应用技术研究所“中国学术网” * The Internet is for freely exchanging information, and it is designed without or avoiding centralized control. * The IETF creates specifications for Internet protocol standards, governing the way information is exchanged on the Internet. An IETF standardiza