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:
Mar. 04, 2025

Filed:

Apr. 11, 2023
Applicant:

Cisco Technology, Inc., San Jose, CA (US);

Inventors:

Mankamana Prasad Mishra, San Jose, CA (US);

Nitin Kumar, San Jose, CA (US);

Ali Sajassi, Alamo, CA (US);

Swadesh Agrawal, Fremont, CA (US);

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/18 (2006.01); H04L 45/00 (2022.01); H04L 45/02 (2022.01); H04L 45/50 (2022.01); H04L 47/32 (2022.01);
U.S. Cl.
CPC ...
H04L 47/32 (2013.01); H04L 12/185 (2013.01); H04L 12/1863 (2013.01); H04L 45/026 (2013.01); H04L 45/34 (2013.01); H04L 45/50 (2013.01);
Abstract

A system and associated methods provide solutions for reducing a volume of traffic through a multicast network attributed to repeated maintenance messages, which are required in order to maintain a multicast connection. The system configures provider edge devices to generate and send maintenance messages on behalf of members of a multicast group to establish and maintain the multicast connection and provides options for determining unknown locations of sources and/or subscribers, thereby reducing the overall volume of traffic transmitted over the multicast network.


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