Patent ID: 11882061
Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A packet monitoring device comprising:
an arrival-time-information provider configured to provide arrival time information to a received packet having a header including sequence information;
a monitoring-target extractor configured to extract a monitoring target packet based on information in the header of the received packet;
a packet-sequence corrector configured to correct a sequence of the monitoring target packet, based on the sequence information in a header of the monitoring target packet, with the method according to claim 10 and output arrival time information of two packets, the sequence information of which is continuous;
a packet-interval calculator configured to calculate a packet interval from a difference between the arrival times of the two packets; and
a display configured to display, as a histogram, a frequency distribution of the packet interval stored in a statistical-information storage.