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1、THEHISTORYOFTHEINTERNETTheBeginning-ARPAnetTheInternetstartedasaprojectbytheUSgovernment.Theobjectoftheprojectwastocreateameansofcommunicationsbetweenlongdistancepoints,intheeventofanationwideemergencyor,morespecifically,nuclearwar.TheprojectwascalledARPAnet,anditiswhattheInternetstartedas.
2、Fundedspecificallyformilitarycommunication,theengineersresponsibleforARPANethadnoideaofthepossibilitiesofan"Internet."Bydefinition,an'Internet'isfourormorecomputersconnectedbyanetwork.ARPAnetachieveditsnetworkbyusingaprotocolcalledTCP/IP.Thebasicsaroundthisprotocolwasthatifinformationsentov
3、eranetworkfailedtogetthroughononeroute,itwouldfindanotherroutetoworkwith,aswellasestablishingameansforonecomputerto"talk"toanothercomputer,regardlessofwhetheritwasaPCoraMacintosh.Bythe80'sARPAnet,justyearsawayfrombecomingthemorewellknownInternet,had200computers.TheDefenseDepartment,satisfie
4、dwithARPAnetsresults,decidedtofullyadoptitintoservice,andconnectedmanymilitarycomputersandresourcesintothenetwork.ARPAnetthenhad562computersonitsnetwork.Bytheyear1984,ithadover1000computersonitsnetwork.In1986ARPAnet(supposedly)shutdown,butonlytheorganizationshutdown,andtheexistingnetworksst
5、illexistedbetweenthemorethan1000computers.ItshutdownduetoafailiedlinkupwithNSF,whowantedtoconnectits5countywidesupercomputersintoARPAnet.WiththefundingofNSF,newhighspeedlinesweresuccessfullyinstalledatlinespeedsof56k(anormalmodemnowadays)throughtelephonelinesin1988.Bythattime,therewere28,17
6、4computersonthe(bythendecided)Internet.In1989therewere80,000computersonit.By1989,therewere290,000.Anothernetworkwasbuilttosupporttheincrediblenumberofpeoplejoining.Itwasconstructedin1992.Today-TheInternetToday,theInternethasbecomeoneofthemostimportanttechnologicaladvancementsinthehistoryofh
7、umanity.Everyonewantstoget'online'toexperiencethewealthofinformationoftheInternet.MillionsofpeoplenowusetheInternet,andit'spredictedthatbytheyear2003everysinglepersonontheplanetwillhaveInternetaccess.TheInternethastrulybecomeawayoflifeinourtimeandera,and