Hello,
Is there a good reference to understand how to use Time Sequence Graphs to analyze TCP traffic behaviour ? Is Ethereal's implementation identical to TCPtrace graphs (tcptrace.org) ? The upper line is the advertised window size, and the lower line is the ACKs received over time. Please correct me if I'm wrong. How do I interpret the position of the segments on the graph ? Sometimes the segments are closer to the upper line, and sometimes segments are in the middle of the two lines. What is occuring when the upper line moves closer or futher away from the segments ? What is occuring when the lower line moves closer or further away from the segments ? I have a basic understanding of TCP congestion and avoidance controls. But I need to verify what is going on in a trace of mine. The TCP sliding window shrinks, lots of DUP Acks, and a TCP Window Full message is seen. I want to verify how to see this in the time sequence graphs, and how to remedy my TCP Window Full problem (FTP upload on a dialup connection). Thanks!
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