公开(公告)号：US20190158391A1

公开(公告)日：2019-05-23

申请号：US16250724

申请日：2019-01-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yuan-Hsun LO ,  Wing Shing WONG ,  Yong HUANG

IPC: H04L12/753 ,  H04L12/727

Abstract: A route determining method and apparatus, and a communications device are provided. The method includes: obtaining startpoint information and endpoint information of a required path, where the startpoint information includes a sequence number of a startpoint POD and a sequence number of a startpoint edge switch, and the endpoint information includes a sequence number of an endpoint POD and a sequence number of an endpoint edge switch; determining, from an n-dimensional Latin square, an element whose row is the sequence number of the startpoint edge switch and column is the sequence number of the endpoint edge switch; and if the sequence number of the startpoint POD is the same as the sequence number of the endpoint POD, determining that the required path is the startpoint edge switch, an aggregation switch corresponding to the element in the POD, and the endpoint edge switch.