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[lwip-users] lwIP upload speed bottleneck


From: tamirmichael
Subject: [lwip-users] lwIP upload speed bottleneck
Date: Mon, 3 Sep 2012 06:17:58 -0700 (PDT)

Hello, I am uploading a very large file to a server using a single POST command. I have taken notice of different performance tuning tips (http://lwip.wikia.com/wiki/Tuning_TCP) but I still have a performance problem: Using wireshark, I see that once the ACK of the server arrives, my LPC1788 (120MHz) requires up to 300 milliseconds to start sending the next segment. If there any parameter that can affect this behavior? 300 milliseconds seem to long! Thanks in advance!

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