I N T E R N E T

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I N T E R N E T I N T E R N E T

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I N T E R N E T. Session Objective. What is INTERNET ? Brief History of Internet. Services provided by Internet. Impact of Internet. Education. Health Care. Business. What is I N T E R N E T ?. The largest network of networks in the world. What is I N T E R N E T ?. Continue……. - PowerPoint PPT Presentation

Transcript of I N T E R N E T

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I N T E R N E TI N T E R N E T

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Session ObjectiveSession Objective What is INTERNET ?What is INTERNET ? Brief History of Internet.Brief History of Internet. Services provided by Internet.Services provided by Internet. Impact of Internet.Impact of Internet.

• Education.Education.• Health Care.Health Care.• Business.Business.

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What is I N T E R N E T ?What is I N T E R N E T ?

The largest network of networks in The largest network of networks in the world.the world.

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What is I N T E R N E T ?What is I N T E R N E T ?

A network of networks, joining many A network of networks, joining many

government, university and private government, university and private

computers together and providing an computers together and providing an

infrastructure for the use of E-mail, infrastructure for the use of E-mail,

bulletin boards, file archives, bulletin boards, file archives,

hypertext documents, databases and hypertext documents, databases and

other computational resources.other computational resources.

Continue……

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What is I N T E R N E T ?What is I N T E R N E T ?

The vast collection of computer The vast collection of computer

networks which form and act as a networks which form and act as a

single huge network for transport of single huge network for transport of

data and messages across distances data and messages across distances

which can be anywhere from the which can be anywhere from the

same office to anywhere in the world.same office to anywhere in the world.

Continue……

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Brief History of InternetBrief History of Internet

ARPA – Advanced Research Project ARPA – Advanced Research Project Agency. Agency.

1969 January 2 – started an 1969 January 2 – started an experimental Computer Network.experimental Computer Network.

Concept – No Server, but equal Concept – No Server, but equal importance/participation to every importance/participation to every computer in the Network.computer in the Network.

Even if, one or two node destroyed Even if, one or two node destroyed that will not affect the Network.that will not affect the Network.

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Paul BaranPaul Baran

Paul Baran developed the Paul Baran developed the field of field of packet switchingpacket switching networks while conducting networks while conducting research at the historic research at the historic RAND organization.RAND organization.

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Vinton CerfVinton Cerf

Father of InternetFather of Internet Co-designer of the Co-designer of the TCP/IPTCP/IP

networking protocol.networking protocol.

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Brief History of InternetBrief History of Internet

First named as ARPANETFirst named as ARPANET

This is renamed as INTERNETThis is renamed as INTERNET

• TCP/IP (Transmission Control TCP/IP (Transmission Control Protocol/Internet Protocol)Protocol/Internet Protocol)

Continue……

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Internet Growth TrendsInternet Growth Trends 1977: 111 hosts on Internet1977: 111 hosts on Internet 1981: 213 hosts1981: 213 hosts 1983: 562 hosts1983: 562 hosts 1984: 1,000 hosts1984: 1,000 hosts 1986: 5,000 hosts1986: 5,000 hosts 1987: 10,000 hosts1987: 10,000 hosts 1989: 100,000 hosts1989: 100,000 hosts 1992: 1,000,000 hosts1992: 1,000,000 hosts 2001: 150 – 175 million hosts2001: 150 – 175 million hosts 2002: over 200 million hosts2002: over 200 million hosts By 2010, about 80% of the planet will be on the By 2010, about 80% of the planet will be on the

InternetInternet

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How to Connect to InternetHow to Connect to Internet

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Internet ServicesInternet Services

Electronic Mail (e-mail)Electronic Mail (e-mail) World Wide WebWorld Wide Web TelnetTelnet File Transfer Protocol (FTP)File Transfer Protocol (FTP) Internet TelephoneInternet Telephone Web TV/RadioWeb TV/Radio Internet Relay ChatInternet Relay Chat News GroupsNews Groups

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Electronic Mail (e-Mail)Electronic Mail (e-Mail)

Distributes e-mail messages and Distributes e-mail messages and attached files to one or more attached files to one or more electronic mailboxes.electronic mailboxes.

Eg:- e-mail addressesEg:- e-mail addresses• [email protected] [email protected][email protected] [email protected]

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Electronic Mail (e-Mail)Electronic Mail (e-Mail)

thomas @ mes . edu . in thomas @ mes . edu . in

murugan @ mesmarampally . org murugan @ mesmarampally . org

Continue……

Organization Type of OrganizationName of PersonName of Person Country

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Electronic Mail (e-Mail)Electronic Mail (e-Mail)

Different e-mail service providersDifferent e-mail service providers

• G-MailG-Mail

• Yahoo MailYahoo Mail

• Hot MailHot Mail

Continue……

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World Wide Web (W W W)World Wide Web (W W W)

Most important service provided by Most important service provided by Internet.Internet.

An internet-based hypermedia initiative for An internet-based hypermedia initiative for global information sharing.global information sharing.

Developed in 1989 by Tim Berners-Lee of Developed in 1989 by Tim Berners-Lee of the European Particle Physics Lab (CERN) the European Particle Physics Lab (CERN) in Switzerland. in Switzerland.

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Tim Berners-LeeTim Berners-Lee

Father of W W W.Father of W W W.

The inventor of The inventor of HTML.HTML.

Invented W W W Invented W W W while working at while working at CERN, the European CERN, the European Particle Physics Particle Physics Laboratory. Laboratory.

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Search EnginesSearch Engines

For searching information on the For searching information on the Internet.Internet.

• GoogleGoogle• YahooYahoo• AltavistaAltavista

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WWIKIPEDIIKIPEDIAA

A wiki is a publishing platform on which A wiki is a publishing platform on which many people can contribute new content many people can contribute new content and revise existing content. and revise existing content.

The content benefits from the collective The content benefits from the collective knowledge of the contributors, so wikis knowledge of the contributors, so wikis can be very beneficial for group projects. can be very beneficial for group projects.

Some businesses and organizations use Some businesses and organizations use wikis to maintain documents. wikis to maintain documents.

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Impact of InternetImpact of Internet

EducationEducation

Health CareHealth Care

BusinessBusiness