(IRTF) The IRTF is chartered by the {INTernet Architecture Board} to consider long-term {INTernet} issues from a theoretical poiNT of view. It has Research Groups, similar to INTernet Engineering Task Force Working Groups, which are each tasked to discuss differeNT research topics. Multi-cast audio/video conferencing and privacy enhanced mail are samples of IRTF output. (1994-12-08)