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什么到底构成了坏的 TCP 段？

tag-icon • tag-icon tcp netstat stress-testing
什么到底构成了坏的 TCP 段？

bad segments received什么构成了下面输出中的坏段netstat？我认为 TCP 报头的校验和可以做到这一点，但还有其他东西吗？如果一个段在超时后到达？或者如果一个重复的段到达？

$ netstat -s

<snip...>
Tcp:
    183975 active connections openings
    110830 passive connection openings
    5140 failed connection attempts
    2649 connection resets received
    19 connections established
    18272496 segments received
    18712556 segments send out
    25163 segments retransmited
    824 bad segments received.
    9557 resets sent
<snip...>

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