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:
Jul. 12, 2022
Filed:
Apr. 27, 2021
Dell Products, Lp, Round Rock, TX (US);
Dell Products L.P., Round Rock, TX (US);
Abstract
A data communication network includes a plurality of network nodes coupled together via optical links and a network controller. Each network node includes a reflectometry analyzer that provides a characterization of physical properties of the optical links coupled to the associated network node. The characterization for each particular optical link provides a unique fingerprint of the physical properties of the particular optical link. The network controller determines a network path between a first network node and a second network node, wherein the network path traverses a first optical link, receives a first fingerprint for the first optical link from a first reflectometry analyzer, defines a signature for the path, the signature including the first fingerprint, receives a second fingerprint for the first optical link from the first reflectometry analyzer, the second fingerprint being different from the first fingerprint, and determines that the network path is not secure based upon the difference between the first fingerprint and the second fingerprint.