Second part of Tech Field Day NFD16 day 1 continues with Arista. Getting ready for @AristaNetworks #NFD16 pic.twitter.com/SCWXVGsR2l — Gian Paolo (@gp_ifconfig) September 13, 2017 Arista’s presentation included 400G (hist: it’s fast!), EOS programmability , Network Automation and Telemetry, Routing Architecture Transformations. All video recording are in the youtube channel of TechFielDay . EOS Programmability Ken Duda (Founder, CTO, and Senior VP of Software Engineering) did a great session about EOS programmability explaining the reason of some technical choices and the available options.