Fault-tolerant network structure and its packet processing method

摘要

The present invention relates to a fault tolerant network structure using a double cross path for real-time switching and a packet processing method using the same. More particularly, (DRDT)-II that allows one link to be connected to one skipped neighbor node, and one link to be connected to the next node in the next step, (DRDT)-III that allows one link of another D-node to be connected to a node that has skipped two steps, so that even if a neighboring node fails at the same time, only the node is removed from the entire network, The reliability of the network can be improved.