BSDCan 2016 Presentations Online
Reyk Fliter: An OpenFlow implementation for OpenBSD - Introducing switchd(8) and more about SDN (slides)
Henning Brauer: Running an ISP on OpenBSD - Why OpenBSD and several uncommon uses of it (slides)
Peter Hessler: Bidirectional Forwarding Detection (BFD) implementation and support in OpenBSD. Or: A new protocol actually did improve our routing. (slides)
Mike Belopuhov: Implementation of Xen PVHVM drivers in OpenBSD (slides)
Antoine Jacoutot: OpenBSD rc.d(8) (slides)
Sebastian Benoit: Opensource Routing - Running an enterprise network on OpenBSD (slides)
In addition, two OpenBSD-centric tutorials were offered by people who are not themselves OpenBSD developers:
Peter Hansteen: Building The Network You Need With PF, The OpenBSD Packet Filter (slides)
Aaron Poffenberger: OpenSMTPD for the Real World (slides)