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:
Mar. 10, 2015
Filed:
Nov. 09, 2012
Applicant:
Futurewei Technologies, Inc., Plano, TX (US);
Inventors:
Qianglin Quintin Zhao, Boxborough, MA (US);
Lujun Wan, Shenzhen, CN;
Tao Zhou, Beijing, CN;
Ying Chen, Clearwater, FL (US);
Assignee:
Futurewei Technologies, Inc., Plano, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
H04L 1/00 (2006.01); H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one aspect, the disclosure includes an apparatus comprising a processor configured to function as a merge point (MP) in a point to multi-point (P2MP) backup label switching path (LSP) for a primary LSP, receive P2MP backup LSP information originating from a protected node, wherein the P2MP backup LSP information comprises the identity of a point of local repair (PLR), determine a backup label switching router (LSR), and send a message with the identity of the backup LSR to an upstream node.