MLE end grouping methods recently ire been proposed as means to infer network logical topology, but the time spent on MLE increased sharply with the else of the networks.

• 摘要目前端到端逻辑拓扑推测方法主要有极大似然方法和分群方法。极大似然方法的计算量会随网络规模的增加而急剧增长，从而影响在实际网络中的应用。