Kiran Kankipati writes "Traffic Squeezer is a free Open-Source Linux WAN Network Traffic AcceleratorTraffic Squeezer is free software, developed and distributed under the GNU General Public License (GPL).
Traffic Squeezer does WAN Acceleration with the technologies such as Traffic Compression, Traffic PDU Coalescing, Protocol Specific Acceleration (ex: TCP Acceleration Mechanisms), Quality of Service, etc.
Refer project website for more details:
http://trafficsqueezer.sourceforge.net"