https://www.bufferbloat.net/projects/
https://www.reddit.com/r/networking/comments/3binop/top_of_rack_switching_suggestions/
https://people.ucsc.edu/~warner/buffer.html
http://www.snookles.com/slf-blog/2012/01/05/tcp-incast-what-is-it/
https://sourceforge.net/p/e1000/mailman/e1000-devel/thread/505390FD.1030607%40intel.com/#msg29811601
http://blog.lah.io/2013/10/cisco-catalyst-4500-x-etherchannel-auto.html
http://blog.performancevision.com/eng/earl/links-between-latency-throughput-and-packet-loss