Hello.

This may not be a Wireshark question - it is really a TCP question.  To
that end, if there is a good TCP forum to which I should post this, and
similar questions, please let me know.

Recently, there have been 2 occasions where colleagues have seen
retransmissions occurring, and they have been blaming this on the TCP
Window Size being too small, and want to increase it.  My response is:

-       If the TCP Window size was too small, they would see conditions
where the receiver's window size goes to zero (or very small), and the
sender stops sending until a window update is received showing a bigger
window size.  They are NOT seeing this.
-       I cannot think of a scenario where a too-small TCP Window size
would cause retransmissions.  (Can anyone in this forum???)

Can anyone comment on my assertions?  And, can you point me to a good
TCP forum?

Thx much!

Michael Feeny
Merrill Lynch
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