iab

from The Free On-line Dictionary of Computing (8 July 2008)

Internet Architecture Board
IAB

   (IAB) The technical body that oversees the development of the
   {Internet} suite of {protocols}.  It has two task forces: the
   {Internet Engineering Task Force} and the {Internet Research
   Task Force}.

   "IAB" previously stood for Internet Activities Board.

   (1994-12-06)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

IAB
       Internet Activities / Architecture Board (RFC 1160/1601,
Internet)