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:
Nov. 15, 2016

Filed:

Sep. 30, 2011
Applicants:

Di Zhou, Beijing, CN;

Yu Liu, Beijing, CN;

Qianye Chen, Beijing, CN;

Xusheng Chen, Beijing, CN;

Inventors:

Di Zhou, Beijing, CN;

Yu Liu, Beijing, CN;

Qianye Chen, Beijing, CN;

Xusheng Chen, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/18 (2006.01); H04L 12/761 (2013.01); H04L 12/801 (2013.01);
U.S. Cl.
CPC ...
H04L 12/18 (2013.01); H04L 12/185 (2013.01); H04L 45/16 (2013.01); H04L 47/15 (2013.01);
Abstract

According to an example, a multicast source may be connected to a first hop Protocol Independent Multicast (PIM) router via one or multiple layer-2 switches that has PIM functions. A first hop PIM router may receive a multicast flow initiated by the multicast source, send a PIM prune message via a port from which the multicast flow is received in response to a determination that the multicast flow is not to be received, or the first hop PIM router may receive a PIM prune message for a multicast flow from a downstream PIM router or a multicast group leave message for a multicast flow from a client connected to the first hop PIM router and delete a port via which the PIM prune message.


Find Patent Forward Citations

Quick Actions:

Zhou, Di. (2016). Method for pruning a multicast branch, protocol independent multicast router, and layer-2 exchange (U.S. Patent No. 9497034). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9497034

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