ComputerNetworks,5ed

ComputerNetworks,5ed
differentphaseinthewaycomputernetworkswereused.Whenthefirsteditionappearedin1980,networkswereanacademiccuriosity.Whenthesecondeditionappearedin1988,networkswereusedbyuniversitiesandlargebusinesses.Whenthethirdeditionappearedin1996,computernetworks,especiallytheInternet,hadbecomeadailyrealityformillionsofpeople.Bythefourthedition,in2003,wirelessnetworksandmobilecomputershadbecomeco妹妹onplaceforaccessingtheWebandtheInternet.Now,inthefifthedition,networksareaboutcontentdistribution(especiallyvideosusingCDNsandpeer-to-peernetworks)andmobilephonesaresmallcomputersontheInternet.NewintheFifthEditionAmongthemanychangesinthisbook,themostimportantoneistheadditionofProf.DavidJ.Wetherallasaco-author.Davidbringsarichbackgroundinnetworking,havingcuthisteethdesigningmetropolitan-areanetworksmorethan20yearsago.HehasworkedwiththeInternetandwirelessnetworkseversinceandisaprofessorattheUniversityofWashington,wherehehasbeenteachinganddoingresearchoncomputernetworksandrelatedtopicsforthepastdecade.Ofcourse,thebookalsohasmanychangestokeepupwiththe:ever-changingworldofcomputernetworks.AmongthesearerevisedandnewmaterialonWirelessnetworks(802.12and802.16)The3GnetworksusedbysmartphonesRFIDandsensornetworksContentdistributionusingCDNsPeer-to-peernetworksReal-timemedia(fromstored,streaming,andlivesources)Internettelephony(voiceoverIP)Delay-tolerantnetworks 本软件ID:4506986