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:
Sep. 27, 2022
Filed:
Jun. 24, 2020
Applicant:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Inventors:
Xudong Zhang, Beijing, CN;
Chao He, Beijing, CN;
Yong Liu, Beijing, CN;
Xue Yang, Beijing, CN;
Bo Xie, Beijing, CN;
Assignee:
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/751 (2013.01); H04L 12/26 (2006.01); H04L 12/721 (2013.01); H04L 45/02 (2022.01); H04L 43/10 (2022.01); H04L 45/00 (2022.01);
U.S. Cl.
CPC ...
H04L 45/02 (2013.01); H04L 43/10 (2013.01); H04L 45/34 (2013.01);
Abstract
A packet transmission method includes generating, by a first router, a first routing information update packet; generating, by the first router, a first source-tracing packet, where the first source-tracing packet is used to indicate that the first router is a source router generating the first routing information update packet; and determining, by the first router, that a second router adjacent to the first router has a source-tracing capability, and sending the first source-tracing packet to the second router.