1. A method, comprising: requesting, by a particular node, to join a parent node in a directed acyclic graph (DAG) in a computer network; notifying the parent node of a load associated with the request; notifying the parent node as to whether the particular node has any other parent node options; receiving a response to the request from the parent node, the response being one of either an acceptance or a denial; and in response to a denial: dividing the load into first and second portions; and re-requesting to join the parent node with the load of the first portion.