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java | 粘包 & 半包分析

 1 year ago
source link: https://benpaodewoniu.github.io/2023/01/27/java210/
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neoserver,ios ssh client

粘包 & 半包分析

姑苏城外一茅屋，万树梅花月满天

从各个层面分析两种现象产生的原因。

  • 应用层： ByteBuf 设置太大，netty 默认 1024
  • 滑动窗口：滑动窗口设置过大
  • Nagle 算法
  • 应用层： ByteBuf 设置太小
  • 滑动窗口：滑动窗口滑动过程中，正好切分数据
  • 超过 MSS 限制
    • 链路层，对数据包的大小有限制
    • 环回地址的大小远大于网络层的大小

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