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.

Date of Patent:
Sep. 26, 2023

Filed:

Aug. 19, 2020
Applicant:

Huawei Technologies Co., Ltd, Shenzhen, CN;

Inventors:

Uma S. Chunduri, Fremont, CA (US);

Alexander Clemm, Los Gatos, CA (US);

Yingzhen Qu, San Jose, CA (US);

Renwei Li, Fremont, CA (US);

Kiran Makhijani, Los Gatos, CA (US);

Lin Han, San Jose, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 45/00 (2022.01); H04L 45/122 (2022.01); H04L 45/50 (2022.01); H04L 45/741 (2022.01); H04L 45/745 (2022.01);
U.S. Cl.
CPC ...
H04L 45/34 (2013.01); H04L 45/122 (2013.01); H04L 45/50 (2013.01); H04L 45/741 (2013.01); H04L 45/745 (2013.01);
Abstract

A method implemented by a network element (NE) in a network, comprising receiving, by the NE, an advertisement comprising preferred path route (PPR) information representing a PPR from a source to a destination in the network, the PPR information comprising a PPR identifier (PPR-ID) and a plurality of PPR description elements (PPR-PDEs) each representing an element on the PPR, receiving, by the NE, a data packet comprising the PPR-ID, and forwarding, by the NE, the data packet having the PPR-ID to a next element on the PPR based on the plurality of PPR-PDEs.


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