What's the Internet:a service view communication infrastructure enables distributed applications: ÷Web,email,,games,e- commerce,file sharing communication services provided to apps: *Connectionless unreliable *connection-oriented reliable Introduction 1-7Introduction 1-7 What’s the Internet: a service view q communication infrastructure enables distributed applications: v Web, email, games, e- commerce, file sharing q communication services provided to apps: v Connectionless unreliable v connection-oriented reliable