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Key Milestones in Internet Evolution

KEY MILESTONES IN EVOLUTION:


* 1950's
ARPA (Advanced Research Projects Agency)

* 1970's
ARPANET creates Precursor to Transmission Control Protocol.

*1971
  •    Universities added to network.
  • Telnet and FTP are available.
            Telnet is used for Remote Controlling access
            FTP is used for Files transfer Purpose. like sharing files on Internet.
* 1972
  • First Electronic Mail Message Sent.
* 1973
  •     ARPANET connected to England and Norway.
* 1974
  • TCP starts being used for communicating across a system of Networks.
* 1982
US Department of Defense (DoD) starts building defense data networks based on ARPANET technology.

* 1983
ARPANET splits into ARPANET and MILNET(Military Network)
*1983
  • Internet now in Place.
  • TCP/IP Standardized.
* 1986
  • National Science Foundation (NSF) implements NFSNET; a system of regional network of routers connected over a backbone network.

*1991
  • Archive and Gopher released. 
* 1992
  • Internet links more than 17,000 networks in 33 countries; 3 million hosts.
* 1993 
  • World Wide Web (WWW) Launched.
*1995
  • Interconnected network provides start offering service.
  • About 30 million users.

GROWTH OF INTERNET:

Growth of Internet

Important Internet Applications

  • Telnet -----> Remote Session
  • File Transfer Protocol (FTP)
  • Electronic Mail(Email) now it is Part and Part-sell of life.
  • Gopher-----> Previous version of Internet
  • Internet Relay Chat (IRC)
  • Usenet news
  • World Wide Web (WWW)
              www is like an Umbrella and remaining are all (Email,FTP,etc) under Umbrella.

Request for Comments(RFC)

Internet Standards and RFCs:

* The Internet Society 
  • Internet Architecture Board (IAB)
  • Internet Engineering Task force (IETF)
  • Internet Engineering steering Group (IESG)

Requests for Comments(RFC) publication

  •  The actual development of new standards is carried out by working groups chartered by the IETF.
  • Membership is voluntary.

The Process involved:

  • The working group makes a draft version of the document.
  • Places it in the "Internet Draft" online directory.
  • kept there for six months and review and comments on the draft obtained.
  • The IESG may approve the publication of the draft as an RFC during this period.
  • or else it is withdrawn from the directory.
  • The working group many Subsequently publish a revised version of the draft.

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