<NetworkiNg> AARPpackets seNt out oN a NoNexteNded AppleTalkNetwork to discover whether a raNdomly selected Node ID is beiNg used by aNy Node. If Not, the seNdiNg Node uses the Node ID. If so, it chooses a differeNt ID aNd seNds more AARP probe packets. (1997-05-03)