PACKET ANALYSIS DEVICE AND PACKET ANALYSIS METHOD

Title:

PACKET ANALYSIS DEVICE AND PACKET ANALYSIS METHOD

Document Type and Number:

WIPO Patent Application WO/2016/185721

Kind Code:

A1

Abstract:

In order to allow a DPI device to determine whether a protocol library needs to be updated, this packet analysis device is provided with: a protocol library that stores one or more characteristics of a packet to be inspected; an inspection unit that detects whether the characteristic is included in inputted packets on the basis of the contents of the protocol library; a counting unit that counts, for each characteristic in a predetermined time period, the number of traffics of inputted packets from which the characteristics are detected and the number of traffics of inputted packets from which the characteristics are not detected; and an analysis means that determines whether an update of the protocol library is necessary or not on the basis of the counting result by the counting unit, and downloads a later protocol library from a download server when the update is necessary.

Inventors:

SEJIMO MASAKI (JP)

Application Number:

PCT/JP2016/002437

Publication Date:

November 24, 2016

Filing Date:

May 19, 2016

Export Citation:

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Assignee:

NEC CORP (JP)

International Classes:

H04L12/70; G06F21/56

Foreign References:

JP2013038610A	2013-02-21
JP2015065601A	2015-04-09

Other References: