The IETF 94 Yokohama will be held 1-6 November in Yokohama, Japan.
[New] The Rough Guide to IETF 94: Strengthening the Internet and other IETF guides are available from the Internet Society blog Tech Matters.
IETF Meetings start Monday morning and run through Friday afternoon (13:30), with late scheduling changes. Newcomers' training and technical tutorials take place the previous Sunday afternoon. Participants should plan their travel accordingly.
Source and more information