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. 22, 2026
Filed:
Nov. 13, 2023
Huawei Technologies Co., Ltd., Shenzhen, CN;
Lijun Dong, Santa Clara, CA (US);
Aihua Guo, Santa Clara, CA (US);
Alexander Clemm, Santa Clara, CA (US);
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
An Optical Transport Network (OTN) node, a Software Defined Network (SDN) controller, and a path selection method for selecting in the OTN node or SDN controller a path for an Internet traffic flow with an underlying OTN are provided. The method includes obtaining a plurality of paths for the traffic flow through the OTN; determining a wasted bandwidth for each path, based on an amount of requested bandwidth for the traffic flow; and selecting either no path or one path of the plurality of paths, the selection based on a value of a selection criterion determined for each path of the plurality of paths, the value of the selection criterion based on the wasted bandwidth for the path.