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• or else it is withdrawn from the directory.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.