P1:GIG WY024-FM WY024-Gaskin-v1.cls June21,2004 19:8 Broadband Bible Desktop Edition i P1:GIG WY024-FM WY024-Gaskin-v1.cls June21,2004 19:8 ii P1:GIG WY024-FM WY024-Gaskin-v1.cls June21,2004 19:8 Broadband Bible Desktop Edition James E. Gaskin WileyPublishing,Inc. iii P1:GIG WY024-FM WY024-Gaskin-v1.cls June21,2004 19:8 BroadbandBible,DesktopEdition Publishedby WileyPublishing,Inc. 10475CrosspointBoulevard Indianapolis,IN46256 www.wiley.com Copyright(cid:2)C 2004byJamesGaskin PublishedbyWileyPublishing,Inc.,Indianapolis,Indiana PublishedsimultaneouslyinCanada eISBN:0-7645-7743-3 ManufacturedintheUnitedStatesofAmerica 10987654321 XX/XX/XX/XX/XX Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmittedinany formorbyanymeans,electronic,mechanical,photocopying,recording,scanningorotherwise, exceptaspermittedunderSections107or108ofthe1976UnitedStatesCopyrightAct,without eitherthepriorwrittenpermissionofthePublisher,orauthorizationthroughpaymentofthe appropriateper-copyfeetotheCopyrightClearanceCenter,222RosewoodDrive,Danvers,MA 01923,(978)750-8400,fax(978)646-8600.RequeststothePublisherforpermissionshouldbe addressedtotheLegalDepartment,WileyPublishing,Inc.,10475CrosspointBlvd.,Indianapolis, IN46256,(317)572-3447,fax(317)572-4447,E-Mail:[email protected]. LIMITOFLIABILITY/DISCLAIMEROFWARRANTY:THEPUBLISHERANDTHEAUTHORMAKENOREPRESEN- TATIONSORWARRANTIESWITHRESPECTTOTHEACCURACYORCOMPLETENESSOFTHECONTENTSOF THISWORKANDSPECIFICALLYDISCLAIMALLWARRANTIES,INCLUDINGWITHOUTLIMITATIONWARRANTIES OFFITNESSFORAPARTICULARPURPOSE.NOWARRANTYMAYBECREATEDOREXTENDEDBYSALESOR PROMOTIONALMATERIALS.THEADVICEANDSTRATEGIESCONTAINEDHEREINMAYNOTBESUITABLEFOR EVERYSITUATION.THISWORKISSOLDWITHTHEUNDERSTANDINGTHATTHEPUBLISHERISNOTENGAGED INRENDERINGLEGAL,ACCOUNTING,OROTHERPROFESSIONALSERVICES.IFPROFESSIONALASSISTANCE ISREQUIRED,THESERVICESOFACOMPETENTPROFESSIONALPERSONSHOULDBESOUGHT.NEITHERTHE PUBLISHERNORTHEAUTHORSHALLBELIABLEFORDAMAGESARISINGHEREFROM.THEFACTTHATAN ORGANIZATIONORWEBSITEISREFERREDTOINTHISWORKASACITATIONAND/ORAPOTENTIALSOURCE OFFURTHERINFORMATIONDOESNOTMEANTHATTHEAUTHORORTHEPUBLISHERENDORSESTHEINFOR- MATIONTHEORGANIZATIONORWEBSITEMAYPROVIDEORRECOMMENDATIONSITMAYMAKE.FURTHER, READERSSHOULDBEAWARETHATINTERNETWEBSITESLISTEDINTHISWORKMAYHAVECHANGEDOR DISAPPEAREDBETWEENWHENTHISWORKWASWRITTENANDWHENITISREAD. Forgeneralinformationonourotherproductsandservicesortoobtaintechnicalsupport, pleasecontactourCustomerCareDepartmentwithintheU.S.at(800)762-2974,outsidetheU.S. at(317)572-3993orfax(317)572-4002. Wileyalsopublishesitsbooksinavarietyofelectronicformats.Somecontentthatappearsin printmaynotbeavailableinelectronicbooks. LibraryofCongressCataloging-in-PublicationData Gaskin,JamesE. Broadbandbible/JamesE.Gaskin.–Desktoped. p. cm. Includesindex. eISBN0-7645-7743-3 1.Broadbandcommunicationsystems. 2.Internetserviceproviders. 3.Digitalsubsriber lines. 4.Modems. 5.Artificialsatellitesintelecommunication. I.Title. TK5103.4.G372004 621.382–dc22 2004011593 Trademarks:Wiley,theWileyPublishinglogoandrelatedtradedressaretrademarksor registeredtrademarksofJohnWiley&Sons,Inc.and/oritsaffiliates,intheUnitedStatesand othercountries,andmaynotbeusedwithoutwrittenpermission.Allothertrademarksarethe propertyoftheirrespectiveowners.WileyPublishing,Inc.,isnotassociatedwithanyproduct orvendormentionedinthisbook. isatrademarkofWileyPublishing,Inc. iv P1:GIG WY024-FM WY024-Gaskin-v1.cls June21,2004 19:8 About the Author In1985,JamesE.Gaskindecidedhe’drathersellcomputersandnetworksthan trytobuythemforhisfather’scompany.Sohestartedsellingandinstalling Novellnetworkstosmall-andmedium-sizedbusinessesintheDallasarea.By 1988,Jameswasonhisownasanindependentnetworkingconsultanttosuch clientsastheInternalRevenueService,FirstGibraltarBank,andSolomon Associates. In1989,JamesstartedcontributingtoUnixToday!magazine,andhecontinuesto covertechnologyformajortechnologypublications(suchasNetworkWorld) today.Hisfirstbook,IntegratingUnixandNetWareNetworks,waspublishedby NovellPressin1993,andhehascontinuedwritingbooks,articles,andjokes abouttechnologyandreallifeeversince. His14(now15)booksincludeabest-sellingseriesoffiveNetWarebooksfor Sybex,andothersonInternettechnology,technologybusinessmanagement, andhumor.JamespresentedaseriesofNetWareandInternettechnology tutorialsforNetworld+InterOpfrom1994through1997.Mediaappearances includetechnologyexpertcommentaryforKRLDNewsRadio,Dallas,TX,and WGBH89.7,NationalPublicRadio,Boston. Anobjectivevoiceforthetechnologyconsumer,Jameswritesaweeklycolumn calledSmallBusinessTechnologyforNetworkWorld.Healsopresentstopicssuch asTheHilariousPainofDataSecuritytogroupsundertheumbrellaof GaskinGuidestoTechnology.Althoughunaffiliatedwithanyvendor,Jamesis biasedtowardcost-effectiveandintelligenttechnologyproductsforsmall-and medium-sizedbusinesses. v P1:GIG WY024-FM WY024-Gaskin-v1.cls June21,2004 19:8 Credits AcquisitionsEditor VicePresidentandPublisher KatieMohr JosephB.Wikert DevelopmentEditors ExecutiveEditorialDirector SydneyJones MaryBednarek JodiJensen ProjectCoordinator ProductionEditor RyanSteffen FeliciaRobinson PermissionsEditor TechnicalEditor LauraMoss NadeemMuhammed MediaDevelopmentSpecialist CopyEditor KitMalone Techbooks CoverIllustration EditorialManager AnthonyBunyan MaryBethWakefield InteriorDesign VicePresident&Executive LissaAuciello-Brogan GroupPublisher RichardSwadley Layout,ProofreadingandIndexing TECHBOOKS VicePresidentandExecutive Publisher BobIpsen vi P1:GIG WY024-FM WY024-Gaskin-v1.cls June21,2004 19:8 Asalways,thisandeverythingelseisforWendy,Alex,andLaura. vii P1:GIG WY024-FM WY024-Gaskin-v1.cls June21,2004 19:8 viii P1:GIG WY024-FM WY024-Gaskin-v1.cls June21,2004 19:8 Preface S peedkillsboredomontheWeb.BroadbandmakesWebsitesthatwere dullyesterdaysnapanddancetoday.NowthateverypersonintheUnited StatesandCanadahasatleastoneoptionforbroadbandservice,there’sno reasonyoucan’tenjoyaWebmoreinteractive(andintelligent)thananyTV showonthemarket. Connectingyourhomeorsmallbusinesstoabroadbandserviceprovidercosts lesstodaythanever.Thetoolsyouneedareeasilyavailable,oftenascloseasa CompUSAorTargetorevenRadioShack.WhywastetimewaitingontheWeb? WhynotwhipthroughtheWeb,grabwhatyouwant,andgetonwithyourlife? Nothinginthisbookisbeyondatypicalhomecomputeruser’sabilityto purchase,install,orenjoy.Ifyouhaveacomputer,youcanbenefitfrom broadbandservice.Ifyouhavetwocomputers,youbenefittwiceasmuch.Ifyou haveanofficeathomethatyoumightwanttoconnecttoyourbusiness, everythingyouneedisinhere. Jumpin.ExploretheInternetinwaysyoucouldn’tbefore.Downloadvideosand musicthatyouneverconsideredinthepastbecauseoftheirfilesizes.Finally, turnyourcomputerintosomethingmorefunthananautomatedSolitairegame. Doallthiseasily,inexpensively,andwithoutneedingtocutaholeinyourwall forwiresorworryaboutsecurity.Followthedirectionsinhere,andyouwill connecteffortlessly,protectyourdatainavarietyofways,andstopwondering ifyourcomputerwasworkingforyouoragainstyou.Withbroadbandaccess andtheinformationinhere,youcomputerwillbecomeyourtransporttomore informationandentertainmentthaneverbefore. Who Should Read This Book? Ifyouhaveacomputerinyourhomeandarecuriousaboutbroadband,thisbook willhelpyou.Ifyouhavemorethanonecomputerathomeandneedtoconnect them,thisbookwillsaveyoutime,money,andafairamountofaggravation. Ifyouhaveasmallofficeinyourhome,thisbookprovidesthedatasecurity informationthatwillprotectyourmostimportantasset,yourinformation. Ifyouhaveasmallbusiness,thisbookwillshowyoutherighttoolsfor connectingyourcomputerswithnetworkappliancestoprovidestorage, security,andreal-timebackupsupport.Youwillalsobuildafoundationforyour businessonsolidnetworkdesignprinciplesalongwithimportantsecurity considerationsthatwillhelptodayandinthefuture. ix