[p2p-hackers] UDP file transfer link speed identification

[Gregory P. Smith]

> In other words, packet loss is what notifies the sender that it
> needs to slow down.

Be cautious of this fundamental assumption that TCP makes.  This works
well for wired networks where layer 2 is unlikely to drop packets.  It
falls over in the face of simple 802.11 based wireless layer 2 because
a lost wireless packet is often due to signal interference that will
not be reduced at all by decreasing the transmit rate.

Also, for a modified TCP congestion avoidance algorithm that does a
better job I recommend looking up Westwood+ TCP.

-greg