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:
Feb. 07, 2023
Filed:
Sep. 04, 2018
Applicant:
Nanjin Zhongxingxin New Software Co, Ltd., Jiangsu, CN;
Inventors:
Assignee:
NANJING ZTE NEW SOFTWARE CO., LTD., Nanjing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/06 (2009.01); H04L 12/18 (2006.01); H04L 41/5009 (2022.01); H04L 45/16 (2022.01);
U.S. Cl.
CPC ...
H04W 4/06 (2013.01); H04L 12/189 (2013.01); H04L 41/5009 (2013.01); H04L 45/16 (2013.01);
Abstract
A multicast traffic transmission method includes: detecting (S) whether a transmission link between a designed forwarder (DF) and a traffic reception device is abnormal; and when the transmission link between the DF and the traffic reception device is abnormal, sending (S) a first request to a backup designed forwarder (BDF). A packet of the first request includes a protection mark and address information about the traffic reception device, and the first request is used for requesting the BDF to forward traffic to the traffic reception device.