[pfSense Support] Strange TCP connection behavior 2.0 RC2 (+3)

Hank Nussbacher hank at efes.iucc.ac.il
Wed Jun 29 07:38:10 UTC 2011

On Tue, 28 Jun 2011, PC wrote:

> As for VSAT, most every vsat equipment manufacturer has TCP
> acceleration/proxy support built into the satellite modem.  They basically
> forge acks at the hub site to buffer data from the server, then deliver it
> it to the remote end in a continuous flow.  Many also have protocol
> optimizations for some of the more "chatty" protocols.  If you use it, your
> 10 megabit should be achievable for typical HTTP/FTP consumer internet
> activities, and it's surprisingly fast.  I've sustained 6 without issue on
> VSAT, only limited by bandwidth available, doing a simple SCP file transfer.

This reminds me of the work I did in 1999 on getting T3 sat links to fully 
utilize the full 45Mb/sec:


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