GPU-accelerated router on Intel NICs as an alternative to cloud core router.
http://shader.kaist.edu/packetshader/

PacketShader achieves an unprecedented IP packet forwarding performance of 40 Gbps on an eight-core Nehalem server even for 64-byte packet size.
Maybe this would be interesting for developers.

Also there is patch for packet I/O Optimization for Linux on big throughputs.
I/O engine for Intel 82598/82599 NICs:
http://shader.kaist.edu/packetshader/io ... index.html