文档介绍：SarahSorensenBeijing•Cambridge•Farnham•Köln•Sebastopol•Taipei•workbySarahSorensenCopyright©’ReillyMedia,,Sebastopol,’Reillybooksmaybepurchasedforeducational,business,().Formoreinformation,contactourcorporate/institutionalsalesdepartment:(800)998-******@.Editors:PatrickAmesandMichaelLoukidesProductionEditor:RachelMonaghanCopyeditor:AmyThomsonProofreader:RachelMonaghanIndexer:JulieHawksInteriorDesigners:RonBilodeauandMollySharpIllustrator:RobertRomanoCoverDesigner:MonicaKamsvaagProductionServices:MacMillanPublishingSolutionsPrintHistory:October2009:’ReillylogoisaregisteredtrademarkofO’ReillyMedia,,,andO’ReillyMedia,,,thepublisherandauthorassumenoresponsibilityforerrorsandomissions,:978-0-596-15703-6[V],aNewYorkCity–!ContentsPreface.........................................xiChapter1:IAmaNode......................................1Chapter2:work:HowDoesItWork?.................5LinkingThingsTogether6Protocols8JustaFewMoreTerms:Hosts,Routers,Switches,LANs,andWANs9Chapter3:ident.................................13Chapter4:workSustainable?..................19Chapter5:Broadband:WhatIsIt?.............................27Chapter6:HitaWall?..........................35Chapter7:TheMobileMe...................................45