W7D3
Internet & services (recap) Voice: circuit switched networks (tel) Data: packet switched networks Packet: small chunk of data (efficiency) Protocols: rules for communication Network, TCP/IP Application, DNS (names), HTTP (web)
W7D3 The web
W7D3 The web Tim Berners-Lee CERN: Conseil Européen pour la Recherche Nucléaire
W7D3 A link (URL)
W7D3 Source for data on web server File (server’s hard drive) Sophisticated data base Ex: youtube.com
W7D3 Source for data on web server File (server’s hard drive) Sophisticated data base Ex: youtube.com