Brian Atwood and Keith Schuette to Nicaraguan Foreign Minister Victor Hugo Tinoco, 16 January 1990.

CENTERFORSECURITYPOLICY: Freedom Flame 2013

Thornton remained on the show until it ended in 2010, working alongside new characters played by Owen's son Tom, Keith Clifford and Brian Murphy.

BBC: Are You Being Served? actor Frank Thornton dies aged 92

Brian Carney, Frankie Sheahan, Shane Jennings and Keith Gleeson are among other players to miss out.

BBC: Healy and Sexton in Ireland squad

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