IETF Newcomers’ training and technical tutorials take place on Sunday, and official working sessions start Monday morning and run through Friday afternoon (13:30).
Registration is required to participate in working sessions. The IETF offers a student rate of $150 for the week. General day passes cost $350 and the regular weekly participation fee is $700 if paid in full prior to 2359 UTC Friday, July 07, 2017 when the registration fee changes to $875. Register here.