Chapter 3 outline 3.1 Transport-layer 3.5 Connection-oriented services transport:TCP 3.2 Multiplexing and o segment structure demultiplexing o reliable data transfer ▣3.3 Connectionless o flow control transport:UDP o connection management ▣3.4 Principles of ▣3.6 Principles of reliable data transfer congestion control 3.7 TCP congestion control Transport Layer 3-3 Transport Layer 3-3 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