After this has been determined, the receive buffer size is provisionally set to a power of 2, and the number of buffers is set equal to the remaining pool size divided by this receiver buffer size.
在此之后已确定，接收缓冲区的大小是临时设置为2的幂，而设置缓冲区的数目等于其余池的大小由该接收缓冲区的大小划分。
tcp_receivespace —In addition to controlling the amount of buffer space to be consumed by receive buffers, AIX 7 also uses this value to determine the size to make its transmit window.
tcp_receivespace — 除了控制接收缓冲区所消耗的缓冲区空间总量之外，AIX 7 还使用这个值来确定其传输窗口的大小。
The size of TCP send and receive buffer have an impact on the maximum value of TCP congestion window.
TCP发送接收窗口的大小影响着TCP拥塞窗口所能达到的最大值，从而影响了TCP业务所能达到的吞吐率。
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