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.:

US 9660906 B1

PDF
Full Text
Expired
Date of Patent:
May. 23, 2017

Filed:

Feb. 11, 2015
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Masataka Sonoda, Kawasaki, JP;

Noriyuki Fukuyama, Kawasaki, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/721 (2013.01); H04L 29/08 (2006.01);
U.S. Cl.
CPC ...
H04L 45/70 (2013.01); H04L 67/1095 (2013.01); H04L 67/1002 (2013.01);
Abstract

A method for acquiring a packet of a monitoring target, the method includes, forming, by a control unit, a mirror path for arriving a mirror packet, of which a origin or a destination of a transmission is a virtual machine for the monitoring target, at a monitoring device which monitors the mirror packet through one or more relay devices, detecting, by the control unit, an occupation when a packet except the packet, of which the origin or the destination of a transmission is the virtual machine for the monitoring target, does not pass based on history information of the packet which passes the relay device, accumulating, by the monitoring device, the mirror packet which passes the relay device, and extracting, by the monitoring device, the mirror packet which arrived at in the occupation as the packet for the monitoring target.


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