Patent ID: 9660906
Date: 2017-05-23
CPC Classifications: H04L

Claim:
1. A method for acquiring a packet of a monitoring target, the method comprising: forming, by a control unit, a mirror path for arriving a mirror packet of a packet, of which an origin or a destination of a transmission is a virtual machine for the monitoring target among a plurality of virtual machines, at a monitoring device which monitors the mirror packet through one or more relay devices that relay a regular packet transmitted between the plurality of virtual machines; detecting, by the control unit, an occupation when each relay device, which constitutes the mirror path, does not relay the regular packet based on history information of the regular packets and the mirror packets which are relayed by the each relay device; accumulating, by the monitoring device, the mirror packets which arrived at the monitoring device; and extracting, by the monitoring device, the mirror packet which arrived at in the occupation as the packet for the monitoring target.