METHOD FOR PRESELECTING A ROUTER IN AN RPL NETWORK

摘要

The invention relates to a method for preselecting a router in an LLN (Lower power and Lossy Network) network from a plurality of nodes in which each router node transmits an announcement message to the other router nodes (2,3) of the LLN network within direct radio range of said router node, and upon receipt of said announcement message, each of said other router nodes compares the current status thereof with respect to a router node (2,3) to the status indicated in the announcement message, and configures the status thereof depending on said comparison such that a single node from among the nodes of the LLN network within direct radio range of said router node transmits to the root node an MER_Request for configuration as the multicast router for the data origin originating from or to be sent to said host node.