Transport Layer Actions Receiver: application receives segment from IP application 工 ■checks header values trapp.msg extracts application-layer transport message network(IP) demultiplexes message up network(IP) link to application via socket link nhysical physical Th app.msg Transport Layer:3-8physical link network (IP) application physical link network (IP) application transport Transport Layer Actions transport Receiver: app. msg ▪ extracts application-layer message ▪ checks header values ▪ receives segment from IP Th app. msg ▪ demultiplexes message up to application via socket Transport Layer: 3-8