# TCP Congestion Control: A Systems Approach

### Chapter 1: Introduction 

1.1 What is Congestion?

1.2 Controlling Congestion

1.3 Theoretical Underpinnings

1.4 Congestion Control Today 

1.5 Reference Implementation 

### Chapter 2: Background 

2.1 Best-effort packet delivery

2.2 Reliable Byte-Stream 

2.3 High-Speed Networks 

### Chapter 3: Design Space 

3.1 Implementation Choices 

3.2 Evaluation Criteria 

3.3 Comparative Analysis 

3.4 Experimental Methodology

### Chapter 4: Control-Based Algorithms 

4.1 Timeout Calculation 

4.2 Additive Increase / Multiplicative Decrease 

4.3 Slow Start

4.4 Fast Retransmit and Fast Recovery 

4.5 Incremental Enhancement 

4.6 TCP CUBIC 

### Chapter 5: Avoidance-Based Algorithms 

5.1 TCP Vegas 

5.2 Varied Assumptions 

5.3 TCP BBR 

### Chapter 6: Active Queue Management 

6.1 DECbit

6.2 Random Early Detection 

6.3 Explicit Congestion Notification 

### Chapter 7: Beyond TCP 

7.1 Data Centers (DCTCP)

7.2 Background Transport (LEDBAT)

7.3 HTTP Performance (QUIC)

7.4 TCP-Friendly Protocols (TFRC)

7.5 Mobile Cellular Networks