core-emu

http://stackoverflow.com/questions/12671587/isolated-test-network-on-a-linux-server-running-a-web-server-lightttpd-and-cu

https://code.google.com/p/coreemu/

http://stuff.onse.fi/man?program=ip-netns&section=8
http://blog.kghost.info/2013/03/01/linux-network-emulator/
http://blog.kghost.info/2013/03/27/linux-network-tun/

http://seravo.fi/2012/virtualized-bridged-networking-with-macvtap
http://blog.csdn.net/kl222/article/details/8513593



https://gist.github.com/adieu/5859148
http://blog.docker.io/2013/04/unionize-network-superpowers-for-your-docker-containers/