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