http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.htm&r=0&f=S&l=50&d=PTXT&RS=Google&Refine=Refine+Search&Query=Google+and++security
http://d3s.mff.cuni.cz/research/seminar/download/2016-11-15-Tattermusch-gRPC.pdf
