The Internet:a "service"view Infrastructure that provides mobile network services to applications: national or global ISP Web,streaming video,multimedia teleconferencing,email,games,e- Streaming commerce,social media,inter- Skype video connected appliances,.. local or provides programming interface regionaMSP to distributed applications: home network content provider "hooks"allowing sending/receiving HTTP network datacenter apps to“connect'”to,use Internet network transport service provides service options,analogous enterprise to postal service network Introduction:1-6▪ Infrastructure that provides services to applications: • Web, streaming video, multimedia teleconferencing, email, games, e￾commerce, social media, inter￾connected appliances, … The Internet: a “service” view Introduction: 1-6 mobile network home network enterprise network national or global ISP local or regional ISP datacenter network content provider HTTP network Skype Streaming video ▪ provides programming interface to distributed applications: • “hooks” allowing sending/receiving apps to “connect” to, use Internet transport service • provides service options, analogous to postal service