Basic Concepts In Computer Networking AntonioCarzaniga FacultyofInformatics UniversityofLugano March11,2005 (cid:13)c 2005 AntonioCarzaniga Outline u Whatis theInternet? u Typesofnetwork u Typesofservice u Protocols u TheInternetprotocolstack (cid:13)c 2005 AntonioCarzaniga What is the Internet? Internet (cid:13)c 2005 AntonioCarzaniga What is the Internet? Internet (cid:13)c 2005 AntonioCarzaniga What is the Internet? Internet (cid:13)c 2005 AntonioCarzaniga What is the Internet? Internet (cid:13)c 2005 AntonioCarzaniga What is the Internet? Internet endsystem orhost (cid:13)c 2005 AntonioCarzaniga End Systems u endsystem orhost( ) (cid:13)c 2005 AntonioCarzaniga End Systems u endsystem orhost( ) I acomputer (cid:13)c 2005 AntonioCarzaniga End Systems u endsystem orhost( ) I acomputer I aserver(well,thatwouldalsobeacomputer) (cid:13)c 2005 AntonioCarzaniga