Growth of the Internet: A Historical Journey

The Internet has evolved from a research prototype to a global communication system, experiencing exponential growth over decades. Key milestones include the birth of Arpanet, development of TCP/IP, commercialization of the Internet, and the emergence of social media platforms like Facebook, Twitter, and YouTube. Learn about important internet dates and tools like ping and traceroute used for probing the Internet's infrastructure.

• Internet history
• Communication system
• Arpanet
• TCP/IP
• Social media

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Presentation Transcript

1. CECS 474 Computer Network Interoperability CHAPTER 2 Motivation and Tools Tracy Bradley Maples, Ph.D. Computer Engineering & Computer Science Cal ifornia State University, Long Beach Notes for Douglas E. Comer, Computer Networks and Internets (5th Edition)

2. Growth of the Internet The Internet has grown from a research prototype to a global communication system. The Internet has experienced exponential growth over many years. Important Internet Dates 1969-70 Birth of Arpanet First connection between UCLA & Stanford UNIX also created 1973 First Trans-Atlantic Link Arpanet connected to Univ. of London 75% of Arpanet traffic is email 1974 Birth of TCP/IP Earliest proposal for inter-networking 1975 First email client 1977 First PC modem 1978 First Spam 1982 First emoticon :-) ?

3. Important Internet Dates (Contd) 1983 Arpanet switches to TCP/IP 1984 Domain Name System (DNS) 1987 30,000 hosts on the Internet 1989 AOL is launched 1989 Proposal for World Wide Web Written by Tim Berners-Lee 1990 First Commercial ISP The World - Internet connections over POTs 1991 First web page created 1993 Mosaic First Graphical Web Browser 1993 New Domain Names: .gov & .org 1995 Commercialization of the Internet 2000 The dotcom bubble bursts 2004 Facebook Opens to College Students 2005 YouTube Created 2006 Twitter begins 2007 The iPhone & Mobile Internet ?

4. Internet Tools Two tools for probing the Internet are available on most computers: ping -- sends a message to the specified computer and waits for a response. ping reports its findings. ?

5. Internet Tools (Contd) traceroute -- sends a message to the specified computer reporting the intermediate computers along the path to the destination ?