The technical plenary in Seoul will be about the recent Denial-of-Service attacks involving the use of compromised or misconfigured nodes or “things”, and the architectural issues associated with the network being vulnerable to these attacks. See https://www.ietf.org/blog/2016/10/attack-against-the-architecture/ and join us for the discussion on Wednesday 16:40-19:10, November 16, 2016 either in person or remotely. You can register for the meeting here: https://www.ietf.org/meeting/97/index.html Jari Arkko, IETF Chair