TC shaping:
http://www.cyberciti.biz/faq/linux-traffic-shaping-using-tc-to-control-http-traffic/
http://www.convert-me.com/en/convert/data_transfer_rate/
http://lartc.org/howto/lartc.ratelimit.single.html
http://lartc.org/howto/lartc.qdisc.filters.html#LARTC.FILTERING.SIMPLE
http://lartc.org/howto/lartc.qdisc.classful.html
http://blog.edseek.com/~jasonb/articles/traffic_shaping/scenarios.html
http://man.cx/tc-htb(8)
http://man.cx/tc
http://blog.kylemanna.com/linux/2013/06/17/ubuntu-1304-bandwidth-shaping-and-traffic-control-using-htb/
http://www.iplocation.net/tc.bash.txt
http://www.iplocation.net/tools/traffic-control.php

http://www.convert-me.com/en/convert/data_transfer_rate/


HAproxy
http://blog.serverfault.com/2010/08/26/1016491873/
http://wiki.joyent.com/wiki/display/jpc2/Rate-Limiting+connections+via+HAProxy


valve:
http://ipinfo.io/AS32590#blocks