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:
Apr. 18, 2023
Filed:
Dec. 03, 2020
Applicant:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Inventors:
Toerless Eckert, Mountain View, CA (US);
Uma S. Chunduri, Fremont, CA (US);
Yingzhen Qu, San Jose, CA (US);
Assignee:
Huawei Technologies Co., Ltd., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 45/02 (2022.01); H04L 45/24 (2022.01); H04L 45/74 (2022.01); H04L 47/17 (2022.01);
U.S. Cl.
CPC ...
H04L 45/02 (2013.01); H04L 45/24 (2013.01); H04L 45/74 (2013.01); H04L 47/17 (2013.01);
Abstract
A method implemented by a network element (NE) in a network, comprising receiving, by the NE, preferred path route (PPR) information describing a PPR graph, the PPR graph representing a plurality of PPRs between an ingress NE and an egress NE in the network, and updating, by the NE, a forwarding database to include a forwarding entry for the egress NE in response to identifying the NE in the plurality of PPR-PDEs, the forwarding entry indicating a next hop by which to forward a data packet comprising the PPR-ID.