What's the Internet:“nuts and bolts” view mobile network Internet:"network of networks" OLSTON ■Interconnected ISPs global ISP protocols control sending, receiving of msgs e.g.,TCP,IP,HTTP,Skype, home 802.11 network regional ISP Internet standards RFC:Request for comments IETF:Internet Engineering Task Force institutional network Introduction 1-6Introduction  Internet: “network of networks”  Interconnected ISPs  protocols control sending, receiving of msgs  e.g., TCP, IP, HTTP, Skype, 802.11  Internet standards  RFC: Request for comments  IETF: Internet Engineering Task Force What’s the Internet: “nuts and bolts” view mobile network global ISP regional ISP home network institutional network 1-6