From the OxLUG list. For people with cable modems.
That can actually be fixed by ensuring you throttle your outgoing connection to match your upstream bandwidth. The cable modem has big buffers to aid upload throughput but introduces big delays for interactive tasks while your packets transit the buffer. Under linux some varient of:tc qdisc add dev eth1 root tbf rate 120kbit latency 50ms burst 1540Will shape outgoing traffic to match your real upstream bandwidth. This slightly caps your upstream bandwidth per app, but keeps everything flowing.