TCP Fast Open Sivasankar Radhakrishnan, Yuchung Cheng, Jerry Chu, Arvind Jain Google sivasankar@cs.ucsd.edu, {ycheng, hkchu, arvind}@google.com Barath Raghavan ICSI barath@icsi.berkeley.edu ABSTRACT Today’s web services are dominated by TCP flows so short that they terminate a few round trips after handshaking; this handshake is a significant source of latency for such flows. In this paper we desc