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:
Aug. 29, 2023
Filed:
Mar. 04, 2021
Ciena Corporation, Hanover, MD (US);
Ankur Jain, Gurgaon, IN;
John Wade Cherrington, Salt Spring Island, CA;
Ciena Corporation, Hanover, MD (US);
Abstract
Systems and methods include, responsive to defining a routing graph that includes vertices for each node of a plurality of nodes in a network and edges for links interconnecting the plurality of nodes, receiving a request for k shortest paths, where k is an integer>0, between a source node and a destination node of the plurality of nodes; and determining the k shortest paths utilizing a k-shortest path algorithm that utilizes two threads in parallel for each shortest path query, wherein the two threads include i) a shortest path query from the source node to the destination node and ii) a shortest path query from the destination node to the source node. The determining further includes, responsive to a first thread in each shortest path query obtaining a result, utilizing the result from the first thread and terminating a second thread.