Optical technologies
6NET
European project 6NET was aimed at doing a large scale IPv6 testing. The project ended the 30th of June 2005 and covered various subjects like IPv6 routing, DNS, multicast, videoconferencing, applications, IPv4/IPv6 coexistence, monitoring...
All the studies done during this project are publicly available in deliverables that can be retrieved on the 6NET web page: http://www.6net.org