| Date | Event |
| 27th March, 2001 | sNLA2 assigned from WIDE IPv6 Repositry |
| 9th April, 2001 | Tunnel connection established between WIDE otemachi NOC and Accelia koujimachi NOC |
| 29th May, 2001 | IPv6 Streaming testing, WMT(Windows Media Technology) over HTTP pseudo-connection |
| 3rd June, 2001 | N+I 2001, IPv6 demonstration, by using distributed IPv6 streaming contents |
| 16th October, 2001 | Protocol Independent Web Cache experimentaion has been started. Adoption by Soumu-Sho(Ministry of Public Management, Home Affairs, Posts and Telecommunications) |
| 25th January, 2002 | IPv6/IPv4 enabled cache server deployment started |
Outside connection: +------------+ IPv6 over IPv4 +------------+ |pc6.otemachi| <-==============-> |v6gw.accelia| +------------+ RIPng +------------+ Inside connection: +------------+ ---( Ethernet )--- Accelia Office |v6gw.accelia| ---( Ethernet )--- Accelia Koujimachi NOC +------------+ ---(Private WAN)--- Accelia Roppongi NOC