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.

Date of Patent:
Jul. 22, 2025

Filed:

Mar. 31, 2023
Applicant:

Rakuten Mobile, Inc., Tokyo, JP;

Inventor:

Shinya Kita, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 41/0631 (2022.01); H04L 43/091 (2022.01);
U.S. Cl.
CPC ...
H04L 41/0631 (2013.01); H04L 43/091 (2022.05);
Abstract

Provided are a router estimation system and a router estimation method which enable accurate estimation of a router that is a cause of silent failures in network slices. When it is determined that a degree of correlation increase linked to a pair of a first slice communication and a second slice communication satisfies a given condition, a policy manager () estimates at least one router included in both of a first router group, which is a group of routers identified based on router group data as routers located on a route of the first slice communication, and a second router group, which is a group of routers identified based on the router group data as routers located on a route of the second slice communication, as a router that is a cause of deterioration of performance of a first function element and a second function element.


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