Chapter 3
Transport-layer multiplexing and demultiplexing P226
传输层多路复用和多路分离
Unidirectional data transfer P241 单向数据传送
Finite-state machine (FSM) P242 有限状态机
Positive acknowledgments P243 肯定确认
Negative acknowledgments P243 否定确认
Countdown timer P250 (倒数)计时器
Cumulative acknowledgment P258 累积确认
Receive buffer P269 接收缓冲区
Resource-management cells 资源管理单元