Atop-down,layeredapproachtocomputernetworking.Uniqueamongcomputernetworkingtexts,the8thEdition,GlobalEdition,ofthepopularComputerNetworking:ATopDownApproachbuildsontheauthors’longtraditionofteachingthiscomplexsubjectthroughalayeredapproachina“top-downmanner.“Thetextworksitswayfromtheapplicationlayerdowntowardthephysicallayer,motivatingstudentsbyexposingthemtoimportantconceptsearlyintheirstudyofnetworking.FocusingontheInternetandthefundamentallyimportantissuesofnetworking,thistextprovidesanexcellentfoundationforstudentsincomputerscienceandelectricalengineering,withoutrequiringextensiveknowledgeofprogrammingormathematics.The8thEdition,GlobalEdition,hasbeenupdatedtoreflectthemostimportantandexcitingrecentadvancesinnetworking,includingtheimportanceofsoftware-definednetworking(SDN)andtherapidadoptionof4G/5Gnetworksandthemobileapplicationstheyenable.