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:
Feb. 25, 2019

Filed:

Jan. 06, 2015
Applicant:

Futurewei Technologies, Inc., Plano, TX (US);

Inventors:

Qianglin Quintin Zhao, Boxborough, MA (US);

Huaimo Chen, Bolton, MA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2005.12); H04L 12/18 (2005.12); H04L 12/715 (2012.12); H04L 12/717 (2012.12); H04L 12/723 (2012.12); H04L 12/721 (2012.12); H04L 12/753 (2012.12); H04L 12/761 (2012.12);
U.S. Cl.
CPC ...
H04L 12/185 (2012.12); H04L 45/04 (2012.12); H04L 45/16 (2012.12); H04L 45/42 (2012.12); H04L 45/44 (2012.12); H04L 45/48 (2012.12); H04L 45/50 (2012.12);
Abstract

A system comprising a plurality of path computation elements (PCEs) configured to communicate with an ingress node, jointly compute a core tree for an inter-domain point-to-multipoint (P2MP) tree across a plurality of network domains, and independently compute a plurality of sub-trees in at least some of the network domains, wherein the core tree connects the ingress node to a boundary node (BN) in each one of the network domains that have a destination node and each sub-tree connects the BN to a plurality of destination nodes in one of the network domains that have a destination node.


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Zhao, Qianglin. (2019). System and method for point to multipoint inter-domain mpls traffic engineering path calculation (U.S. Patent No. RE47260). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/RE47260

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