"We write down everything, " says Karambir Singh Kang, area director, USA, for Taj Hotels and general manager of the Taj Boston.

CNN: What your hotel knows about you

Its area director Peter Knott said the organisation was aware of the proposed change of use and would be meeting with the council to discuss the plans in more detail.

BBC: The Public gallery

Part of the reason for 6to4's high profile is that its authors are two IETF heavyweights: Brian Carpenter, head of the Internet Architecture Board, and Applications Area Director Keith Moore.

CNN: New protocol sneaks IPv6 traffic over the 'Net