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Internet History

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Internet Explorer released by Microsoft. Several US Government sites are 'Hacked' ... 8 farm lane. 25 paved road. 54 highway. 195 Indy 500. 625 jet plane. 18, ... – PowerPoint PPT presentation

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Title: Internet History


1
Internet History Basics
2
What is the Internet?
  • Origins of the name
  • internetwork -- internet
  • A worldwide network of networks
  • LAN--Local Area Network
  • WAN--Wide Area Network
  • The Internet is a worldwide communication system.
    Not unlike. . .
  • Postal System
  • Telephone System
  • The largest Database of all.

3
History of The Internet
  • 1957 USSR launches Sputnik.
  • US forms the Advanced Research Projects Agency
    (ARPA) within the Department of Defense.
  • 1969 ARPA connects 4 computers Stanford, UCLA,
    UC Santa Barbara, University of Utah.
  • 1970 20 computers networked on ARPANet.
  • 1973 First international connections to ARPANet
    University College of London, Royal Radar
    Establishment in Norway.

4
History of The Internet
  • 1979 USENET established.
  • 1980 Miltary demands on ARPANet increase.
  • Military established MILNet.
  • ARPANet continued to connect defense
    contractors and research institutions.
  • 1982 ARPANet standardized on TCP/IP suite.
  • 1984 1000 world wide networked computers.

5
History of The Internet
  • 1986 National Science Foundation gets involved.
  • Connects 5 major supercomputer centers
    around the country, (NSFNet).
  • NSF connects small regional networks to a
    new high-speed backbone, (56k bps).
  • 1987 IBM, MCI, Merit Network are contracted to
    build a faster network backbone.
  • By the end of 1987, 28,000 machines connected.
  • 1988 NSFNet backbone upgraded to T1, (1,544 Mps).
  • 1989 Host machines on NSFNet top 100,000.

6
History of The Internet
  • 1990 ARPANet deactivated.
  • 1991 World Wide Web (WWW) released by CERN.
  • NSFNet backbone upgraded to T3, (44.7 Mbps).
  • 1992 1 Million hosts.
  • 1993 InterNic created by NSF to provide Internet
    services.
  • Mosaic takes the Internet by storm.
  • White House comes online www.whitehouse.gov
  • October 1993 - 200 HTTP servers.
  • November 1993 - Web Traffic 1

7
History of The Internet
  • 1994 ARPANet/Internet 25th anniversary.
  • First Virtual, First Cyberbank opens.
  • WebCrawler Yahoo go live, track web sites.
  • 4 Million hosts by the end of 1994.
  • 1995 NSFNet reverts back to research network.
  • Traditional online systems, (Compuserve, AOL,
    etc.) offer Internet access.
  • Netscape Navigator introduced.
  • Small ISPs proliferate.
  • 9 Million hosts by end of 1995.

8
History of The Internet
  • 1996 Java Introduced, Web Multimedia
    Grows. Internet Explorer released by Microsoft.
  • Several US Government sites are Hacked.
  • July- AOL system crashes for 36 hours.
  • December- 15 million hosts, 61 million users.
  • 1997 Security bugs found in Internet Explorer.
  • U.S. Robotics et al. release x2 Modems.
  • Explosive growth of Web Authoring Tools.
  • Web TV released to consumer market.

9
History of The Internet
  • 1998 Internet 2 - goes live as next generation
    Internet.
  • Microsoft releases Windows 98 - DOJ takes
    company to court over integrated web browser.
  • E-Commerce explodes.
  • Web Portals replace search engines.
  • Linux gains.
  • AOL buys Netscape.
  • iMac introduced by Apple

10
History of The Internet
  • 1999 147 Million users worldwide Source
    Computer Industry Almanac
  • Spring - Melissa Virus
  • June- Worm.ExploreZip Virus tears across
    Internet

11
A Network of Networks
12
What makes the Internet work?
  • TCP/IP
  • Transmission Control Protocol/Internet Protocol
  • Computers use Protocols to send types of
    information.
  • Example Include
  • HTTP -- Used to communicate Web pages
  • FTP -- Used to transfer software
  • SMTP -- Used to send and read Email

13
Internet Addresses
  • charlie_at_mail.pennmanor.net
  • (charlie) identifies the user.
  • _at_ connects the who (charlie) with several where
    location identifiers
  • The where mail is the Sub-Domain name
  • The where pennmanor.net is the Domain name
  • The extension (Net) identifies the type of host.

14
Internet Address Extensions
  • .gov government
  • .org organization
  • .edu education
  • .com commercial
  • .net network
  • .mil military

15
Control and Policing
  • No binding rules
  • Each entity pays its own way
  • No formal Policing
  • No centralized authority
  • No system is 100 secure
  • meaning...

16
Security on the Net
  • Be cautious when giving out your Credit Card
    Number or financial information.
  • Do not give out personal information, (address,
    phone number, etc.) unless you know exactly
    who you are talking to.
  • Never assume that your recipient will be the only
    person reading your email.
  • Keep your passwords secure.
  • Always take anti-virus precautions.

17
SPEED COMPARISONS
  • Transportation
  • (mph)
  • 8 farm lane
  • 25 paved road
  • 54 highway
  • 195 Indy 500
  • 625 jet plane
  • 18,750 space flight
  • Data Communications
  • (pages/sec)
  • 9600 bps faxModem 0.3/sec
  • 28,800 bps (28.8 modem) 0.9/sec
  • 57,600 bps (56k modem) 1.8/sec
  • 500,000 bps (DSL, Cable) 15/sec
  • T1 1.5 million bps 45/sec
  • T3 45 million bps 1365/sec

18
ISP or Online Service Provider?
  • ISP- Internet Service Provider
  • Blazenet
  • PA Online
  • DE Jazz
  • Earthlink
  • Online Service Provider
  • America Online
  • MSN

19
ISP or Online Service Provider?
  • What are your needs?
  • Unlimited Access?
  • Cost?
  • Speed?
  • Customer Service Tech Support
  • Local Phone Call

20
Questions?
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