Problems Radio broadcasting (rbl Disseminating a message from a source node to all other nodes Acknowledged RB(ArB) Not only rb but also informing a source node of the completion of rb Radio gossiping rg Disseminating messages from each node to all other nodes Acknowledged RG (ARg Not only rb but also informing each node of the completion of RGProblems Radio Broadcasting (RB) Disseminating a message from a source node to all other nodes Acknowledged RB (ARB) Not only RB but also informing a source node of the completion of RB. Radio Gossiping (RG) Disseminating messages from each node to all other nodes Acknowledged RG (ARG) Not only RB but also informing each node of the completion of RG