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2
votes
1answer
363 views

TCP Window size increases drastically and sender don't send until the receive buffer is not empty

I have a download stream over TCP in an application (running on Win2k12). The problem is that the connection gets closed by the sender because it times out. I used wireshark to see what happens on ...
3
votes
3answers
2k views

How to prevent TCP ZeroWindow on writing a large file to a Windows share?

I've been given access to a share on a Windows Server 2003 SP1 system (10.a.bbb.ccc) which is a file and printer server, and regularly large files get copied to that share. However, occasionally such ...
7
votes
3answers
444 views

TCP Window Scaling for Satellite Connections

A satellite connection generally has a RTT around 500ms. Connections generally suffer sub-optimal transfer speeds, in spite of large amounts of bandwidth because TCP acknowledgements take too long to ...
4
votes
1answer
2k views

TCP Windows Size vs Socket Buffer Size on Windows

I am new to Windows networking. When people talk about TCP tuning on Windows platform, they always mention about TCP Window Size. I am wondering whether Windows uses the concept of "Socket Buffer ...
1
vote
0answers
217 views

Windows 2003 R2 x64 Client for NFS - Is there any way to affect TCP Send Window for this software?

Is there any way to affect TCP Send Window for the Windows 2003 R2 x64 "Client for NFS"? Tried changing the TCP Send Window Size to 32k, 64k in our network adaptors, as well as under the ...
1
vote
2answers
2k views

Shrinking TCP Window Size to 0

Having an issue with any large file transfer that crosses our Cisco ASA unit come to an eventual pause. Setup Test1: Server A, FileZilla Client <- 1GBPS -> Cisco ASA <- 1 GBPS -> Server B, ...