TCP 归档 - 夜莺博客

标签：TCP

TCP BBR Congestion Control: Enable and Tune on Linux

TCP BBR Congestion Control: Enable and Tune on Linux

Enable TCP BBR on Linux and tune the knobs that matter: congestion control, fq qdisc, window scaling and buffer sizing for high-latency links.

admin admin 2026-10-06
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TCP Tuning for High Bandwidth-Delay Product Links

TCP Tuning for High Bandwidth-Delay Product Links

Tune Linux TCP for long fat networks: calculate the bandwidth-delay product, set socket buffers and window scaling, verify with iperf3 before blaming

admin admin 2026-09-24
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Wireshark TCP: Retransmission vs Out-of-Order vs Loss

Wireshark TCP: Retransmission vs Out-of-Order vs Loss

Wireshark TCP retransmission flags are interpretations, not facts. Use sequence ranges, SACK blocks and capture points to separate real loss from reor

admin admin 2026-09-12
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MTU, MSS and PMTUD: Fixing Black-Hole Connections

MTU, MSS and PMTUD: Fixing Black-Hole Connections

Diagnose MTU black holes end to end: MSS arithmetic, why PMTUD fails, encapsulation overheads, MSS clamping on routers and Linux hosts, and DF-bit ver

admin admin 2026-09-11
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