21.1 Introduction
21.2 Simple Timeout and Retransmission Example
21.3 Round-Trip Time Measurement
21.4 An RTT Example
21.5 Congestion Example
21.6 Congestion Avoidance Algorithm
21.7 Fast Retransmit and Fast Recovery Algorithms
21.8 Congestion Example (Continued)
21.9 Per-Route Metrics
21.10 ICMP Errors
21.11 Repacketization
21.12 Summary
Exercises