Chapter 3 outline 3.1 transport-layer 3.5 connection-oriented services transport:TCP 3.2 multiplexing and segment structure demultiplexing -reliable data transfer 3.3 connectionless ■flow control transport:UDP connection 3.4 principles of management reliable data 3.6 principles of transfer congestion control 3.7 TCP congestion control Transport Layer 3-7 Transport Layer 3-7 Chapter 3 outline 3.1 transport-layer services 3.2 multiplexing and demultiplexing 3.3 connectionless transport: UDP 3.4 principles of reliable data transfer 3.5 connection-oriented transport: TCP  segment structure  reliable data transfer  flow control  connection management 3.6 principles of congestion control 3.7 TCP congestion control