A Brief history of the Internet Name:Ziyun Wang. Introduction Internet history revolves around four distinct aspects. 1. the technological evolution that.

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A Brief history of the Internet Name:Ziyun Wang

Introduction Internet history revolves around four distinct aspects. 1. the technological evolution that began with early research on packet switching and the ARPANET (and related technologies), and where current research continues to expand the horizons of the infrastructure along several dimensions, such as scale, performance, and higher level functionality. 2. the operations and management aspect of a global and complex operational infrastructure.

Continued 3. the social aspect, which resulted in a broad community of Internauts working together to create and evolve the technology. 4. the commercialization aspect, resulting in an extremely effective transition of research results into a broadly deployed and available information infrastructure.

Origins of the Internet In august, 1962, J.C.R Licklider envisioned a a globally interconnected set of computers through which everyone could quickly access data and programs from any site. Between 1961 to 1964, papers were published about the theoretical feasibility of communications using packets rather than circuits.

Continued In 1965, the first (however small) wide area computer network was built In Sep. 1969, the first host computer was connected. By the end of 1969, four host computers were connected together into the initial ARPANET.

Continued In Dec.1970, the Network Working Group finished the initial ARPANET host to host protocol, called the Network Control Protocol (NCP) In Oct.,1972, ARPANET was first publicly demonstrated at the International Computer Communication conference(ICCC)

The Initial Internetting Concepts The Internet embodies a key underlying technical idea, namely that of open architecture networking,which was first introduced by Kahn in Kahn decided to develop a new version of the protocol which could meet the needs of an open-architecture network environment. This protocol would eventually be called the TCP/IP.

Continued In 1973, the first written version of TCP/IP was distributed. A key concept of the Internet is that it was not designed for just one application, but as a general infrastructure on which new applications could be conceived, as illustrated later by the emergence of the World Wide Web.

Proving the Ideas. Beginning with the first three networks (ARPANET, Packet Radio, and Packet Satellite) and their initial research communities, the experimental environment has grown to incorporate essentially every form of network and a very broad-based research and development community.In together, they proved:

Continued A compact and simple implementation of TCP was possible.Workstations, as well as large time- sharing systems, could be a part of the Internet. Domain Name system was invented to meet the needs of the increase in scale of the internet.

Continued During the process, major challenges was: 1.the capabilities of the routers 2.how to propagate the changes to the software 3.the transition of the ARPANET host protocol from NCP to TCP/IP

Transition to Widespread Infrastructure By the mid-1970s, computer networks had begun to spring up wherever funding could be found for the purpose. In 1985, NSF decides: TCP/IP would be mandatory for the NSFNET program In addition to the selection of TCP/IP for the NSFNET program, Federal agencies made and implemented several other policy decisions which shaped the Internet of today

Continued Subsequently, the NSF encouraged its regional networks of the NSFNET to seek commercial, non-academic customers. Private, competitive networks such as PSI, UUNET, and later others emerged and grew.

Commercialization of the Technology Researchers and inventers come together to give vendors training about TCP/IP and listen to the problems that vendors found in the field. This kind of activities worked very well. Everyone’s products interoperated with all of the other products- even with those of their competitors.

Continued The internet has now become almost a “commodity” service, and much of the latest attention has been on the use of this global information infrastructure for support of other commercial services

History of the Future On Oct 24, 1995, the FNC unanimously passed a resolution defining the term internet. The Internet has changed much in the two decades since it came into existence. And it will continue to change and evolve.For example, it is now changing to provide new services as real time transport.