It is Broadcast to send data from one ancestor node to the node doplai node, all the characteristics of the information One-to-All, which spread to spread information sent to all nodes of the node.
Broadcast to send data from one node to the source node to the destination node, every node in the nature of the contact information spread a One-to-All transmission of data is sent to each node to node.
Broadcast to send data from the source node to the destination node to every node a node contact in the aspects of spreading information. One-to-All which the information sent to the node to every node.