至今，网络的自动拓扑发现仍是一个富有挑战性的研究课题，研究出符合高效性、快速性、完整性及准确性四项目标的拓扑发现算法绝非易事。-So far, the network of automatic topology discovery is still a challenging research topic developed in line with the efficiency, speed, completeness and acc