https://answer.freetools.me/tags/sack/ Recent content in SACK on Answer Hugo -- 0.152.2 zh-cn Wed, 11 Mar 2026 06:27:27 +0800 https://answer.freetools.me/tcp%E9%80%89%E6%8B%A9%E6%80%A7%E7%A1%AE%E8%AE%A4%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3%E7%B4%AF%E7%A7%AF%E7%A1%AE%E8%AE%A4%E6%97%A0%E6%B3%95%E5%A4%84%E7%90%86%E7%9A%84%E5%A4%9A%E5%8C%85%E4%B8%A2%E5%A4%B1%E5%9B%B0%E5%A2%83/ Wed, 11 Mar 2026 06:27:27 +0800 https://answer.freetools.me/tcp%E9%80%89%E6%8B%A9%E6%80%A7%E7%A1%AE%E8%AE%A4%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3%E7%B4%AF%E7%A7%AF%E7%A1%AE%E8%AE%A4%E6%97%A0%E6%B3%95%E5%A4%84%E7%90%86%E7%9A%84%E5%A4%9A%E5%8C%85%E4%B8%A2%E5%A4%B1%E5%9B%B0%E5%A2%83/ TCP选择性确认如何解决累积确认无法处理的多包丢失困境 https://answer.freetools.me/tcp%E4%B8%A2%E5%8C%85%E6%A3%80%E6%B5%8B%E4%B8%BA%E4%BD%95%E5%A6%82%E6%AD%A4%E5%A4%8D%E6%9D%82%E4%BB%8E%E8%B6%85%E6%97%B6%E9%87%8D%E4%BC%A0%E5%88%B0rack%E7%9A%84%E5%9B%9B%E5%8D%81%E5%B9%B4%E6%8A%80%E6%9C%AF%E5%8D%9A%E5%BC%88/ Sat, 07 Mar 2026 05:10:05 +0800 https://answer.freetools.me/tcp%E4%B8%A2%E5%8C%85%E6%A3%80%E6%B5%8B%E4%B8%BA%E4%BD%95%E5%A6%82%E6%AD%A4%E5%A4%8D%E6%9D%82%E4%BB%8E%E8%B6%85%E6%97%B6%E9%87%8D%E4%BC%A0%E5%88%B0rack%E7%9A%84%E5%9B%9B%E5%8D%81%E5%B9%B4%E6%8A%80%E6%9C%AF%E5%8D%9A%E5%BC%88/ 深入解析TCP丢包检测机制的四十年演进历程，从1986年互联网首次"拥塞崩溃"到Van Jacobson的开创性工作，从RTO计算到快速重传、SACK、NewReno、TLP，再到Google提出的RACK时间检测算法，揭示每一次技术突破背后的深层逻辑与权衡。