These lightning talks will be presented during the Tuesday plenary at NANOG 38, beginning at 11:00 CDT: 4 byte ASNs - Geoff Huston Higher Speed Ethernet - Peter Schoenmaker Internet2 DNSSEC Pilot - A Reverse Tree for the Holidays - Larry Blunk Route Aggregation Recommendations - Philip Smith The two-tier Internet, delivered - Anton Kapela Practical Wave Division Multiplexing, part 2 - Alex Pilosov and Adam Rothschild Steve