V2EX congestion-control

Congestion-Control

定义 Definition

congestion-control拥塞控制;指在网络中通过算法与机制调节发送速率、窗口大小等,以避免网络过载(拥塞)、减少丢包并维持吞吐量与公平性。常见于 TCP、QUIC 等传输协议中。(也可泛指“交通/系统拥堵的控制”,但最常见语境是计算机网络。)

发音 Pronunciation (IPA)

/kndstn kntrol/

例句 Examples

Congestion-control prevents the network from collapsing under heavy traffic.
拥塞控制可以防止网络在高负载流量下“崩溃”。

Modern protocols use congestion-control algorithms that adapt to changing bandwidth and delay.
现代协议使用能适应带宽与时延变化的拥塞控制算法。

词源 Etymology

congestion 源自拉丁语 congestio(“堆积、聚集”),在英语里表示“拥堵、充塞”;control 来自古法语 contrerolle(“核对、管控”)。合在一起,字面意思是“对拥堵进行控制”,在网络领域特指对网络拥塞进行调节与抑制的机制。

相关词 Related Words

文献与作品 Literary Works

  • Computer Networks(Andrew S. Tanenbaum & David J. Wetherall)
  • TCP/IP Illustrated, Volume 1: The Protocols(W. Richard Stevens)
  • RFC 5681: TCP Congestion Control
  • RFC 9002: QUIC Loss Detection and Congestion Control
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