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. 14, 2006
Filed:
May. 08, 2001
Applicants:
Jack Zhu, Westford, MA (US);
Alok Kishore Bhargava, Burlington, MA (US);
Ray Alexander Balogh, North Andover, MA (US);
Inventors:
Jack Zhu, Westford, MA (US);
Alok Kishore Bhargava, Burlington, MA (US);
Ray Alexander Balogh, North Andover, MA (US);
Assignee:
Sycamore Networks, Inc., Chelmsford, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04J 1/16 (2006.01); G06F 11/00 (2006.01); G08C 15/00 (2006.01); G01R 31/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for restoring a diversely routed circuit in a timely manner from an initial path failure includes the steps of receiving one or more triggers at one of a destination node and a source node of a first path. The trigger indicates a path failure. The method continues by switching from the first path to a functional second path. The trigger prompts, at least partially, the switching step, and restores the circuit to a functional mode.