The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 2019
Filed:
Sep. 19, 2017
Huawei Technologies Co., Ltd., Shenzhen, CN;
Mancang Gao, Nanjing, CN;
Jiuyong Li, Nanjing, CN;
Xingang Zhang, Nanjing, CN;
Mingming Zhu, Nanjing, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A method and a related apparatus for probing a packet forwarding path, so that a packet forwarding path between any two devices can be probed is presented. A controller determines a source device and a destination device, where there is at least one intermediate device between the source device and the destination device; the controller sends an Internet Protocol (IP) packet that includes a probe identifier to the source device; the controller receives a first message sent by the destination device and a second message sent by the intermediate device; the controller determines a forwarding path of the IP packet according to the IP packet and a first inbound interface identifier that are sent by the destination device, the IP packet and a second inbound interface identifier that are sent by the intermediate device, and a network topology.