What's the Internet: "nuts and bolts"view protocols control sending router workstation receiving of msgs server m e.g., Tcp Ip Http Ftp ppP mobile D Internet: network of 叫lIsP networks loosely hierarchica ●●● m public Internet versus regional/TSP private intranet 口 Internet standards m RFC: Request for comments m IETF: Internet Engineering Task Force company y 9 network Introduction 1-12Introduction 1-12 What’s the Internet: “nuts and bolts” view q protocols control sending, receiving of msgs m e.g., TCP, IP, HTTP, FTP, PPP q Internet: “network of networks” m loosely hierarchical m public Internet versus private intranet q Internet standards m RFC: Request for comments m IETF: Internet Engineering Task Force local ISP company network regional ISP router workstation server mobile