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:
May. 28, 2019
Filed:
Apr. 06, 2017
Applicant:
Futurewei Technologies, Inc., Plano, TX (US);
Inventors:
Uma S. Chunduri, Fremont, CA (US);
Evgeny Tantsura, Palo Alto, CA (US);
Assignee:
Futurewei Technologies, Inc., Plano, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/723 (2013.01); H04L 12/721 (2013.01); H04L 12/775 (2013.01); H04L 12/741 (2013.01); H04L 29/12 (2006.01);
U.S. Cl.
CPC ...
H04L 45/50 (2013.01); H04L 45/26 (2013.01); H04L 45/58 (2013.01); H04L 45/74 (2013.01); H04L 61/2007 (2013.01);
Abstract
A provider edge (PE) router and methods for establishing a pseudowire using open shortest path first (OSPF) link state advertisement (LSA) messages. The pseudowire links the PE router with a remote PE router through a packet switched network (PSN), and emulates other communications protocols to provide customer edge (CE) equipment connected to the PE routers the appearance of a dedicated private circuit.