> Secondly, TCP_WND controls how many bytes can be "in flight". You also > need to consider how many bytes are queued waiting to be sent. This is > controlled by TCP_SND_BUF (a value in bytes) and TCP_SND_QUEUELEN (a > additional limit in "packet buffers" to stop all of them being used on > the send queue leaving none for receive). Assuming all your segments > are full size and the same settings are used at both ends, the total > number of segments required will be: > > (TCP_WND + TCP_SND_BUF) / TCP_MSS
These are the settings I had: TCP_MSS = 1460 TCP_WND = 16k TCP_SND_BUF = 16k TCP_SND_QUEUELEN = 16 * TCP_SND_BUF/TCP_MSS Looks like I have a SND_QUEUELEN setting that just says don't worry about this. I will post an update after I do some more experiments. Thanks for the reply. -Siva
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