Chapter 3 Transport Layer Our goals: O understand principles o learn about transport behind transport layer protocols in the yer services. Internet: o multiplexing/demultipl o UDP: connectionless exing fransport o reliable data transfer o TCP: connection-oriented o flow contro fransport o congestion contro o tCP congestion control Transport Layer 3-2Transport Layer 3-2 Chapter 3: Transport Layer Our goals:  understand principles behind transport layer services:  multiplexing/demultipl exing  reliable data transfer  flow control  congestion control  learn about transport layer protocols in the Internet:  UDP: connectionless transport  TCP: connection-oriented transport  TCP congestion control