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. 12, 2014
Filed:
Jul. 22, 2011
Nobuhiko Itoh, Tokyo, JP;
Yasuhiro Yamasaki, Tokyo, JP;
Nobuhiko Itoh, Tokyo, JP;
Yasuhiro Yamasaki, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A loop detecting device is provided which is capable of detecting a loop packet or a loop flow with less processing load. A sorting meansclassifies packets from each of which information is extracted by a packet information extracting device, based on first predetermined information included in packet information, counts the number of the classified packets for each first predetermined information, and specifies first predetermined information in which a count result reaches greater than or equal to a first threshold value. A determining meansdetermines whether each packet having the first predetermined information specified by the sorting meansis a loop packet or whether each flow specified by the first predetermined information is a loop flow by using second predetermined information included in the packet information received by a receiving meanswith the first predetermined information specified by the sorting meansas a target.