# US 2019/0245752 A1 · Communication network determination apparatus, communication network determination method, and recording medium having communication network determination program recorded therein > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0245752 A1 - Document ID: US20190245752A1 - Status: Published application - Kind: A1 - Application number: 16/312,428 - Filed: 2017-06-21 - Published: 2019-08-08 - Earliest claimed: 2016-06-23 - Assignees: NEC Corporation - Applicants: NEC Corporation - Inventors: Masato YAMANE; Yuki ASHINO - Web page: https://patentgrep.com/patent/US20190245752A1 ## CPC - H04L 41/0853: by actively collecting configuration information or by backing up configuration information - H04L 41/0636: {based on a decision tree analysis} - H04L 41/0677: Localisation of faults - H04L 43/0823: Errors, e.g. transmission errors - H04L 43/12: Network monitoring probes - H04L 43/045: for graphical visualisation of monitoring data - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Provided is a communication network determination apparatus, etc. capable of correctly specifying a communication network which can be monitored by a monitoring device even when necessary and sufficient configuration information about the configuration of the communication network cannot be obtained. A communication network determination apparatus calculates a number of types of communication identifier associated with an apparatus identifier of a second information apparatus in monitoring information where a communication identifier allocated to a first information apparatus in a second communication network and an apparatus identifier of a second information apparatus that relays a communication in a first communication network, the monitoring information generated based on communication network via the first communication network; and determines that the first communication network is the same as the second communication network when the calculated number of types is one and determines that the first communication network is different from the second communication network, otherwise. ## Claims ### Claim 1 A communication network determination apparatus comprising: a calculator configured to calculate a number of types of communication identifier associated with an apparatus identifier of a second information apparatus in monitoring information where a communication identifier allocated to a first information apparatus in a second communication network and an apparatus identifier of a second information apparatus that relays a communication in a first communication network, the monitoring information generated based on communication network via the first communication network; and a determiner configured to determine that the first communication network is the same as the second communication network when the calculated number of types is one, and determine that the first communication network is different from the second communication network when the calculated number of types is two or more. ### Claim 2 (depends on 1) The communication network determination apparatus according to claim 1, wherein the monitoring information includes a destination communication identifier of a third information apparatus in a third communication network and a determination apparatus identifier of a fourth information apparatus that relays communication to the third information processing apparatus in association with each other, the third information apparatus being a destination communicated by the first information apparatus, and the determiner determines that the first communication network is the same as the second communication network when the destination apparatus identifier indicates a plurality of information apparatuses. ### Claim 3 (depends on 2) The communication network determination apparatus according to claim 2 further comprising: an identifier generator configured to generate a network identifier configured to determine communicably connectability to the first communication network based on the destination communication identifier when the destination apparatus identifier indicates a plurality of information processing apparatuses, wherein the determiner determines whether or not the first information processing apparatus identified by the communication identifier in the monitoring information is able to communicably connect to the first communication network, determines that the first communication network is the same as the second communication network when determining that the first information apparatus is able to communicably connect to the first communication network, and determines that the first communication network and the second communication network are different from each other, otherwise. ### Claim 4 (depends on 2) The communication network determination apparatus according to claim 2 further comprising: an identifier generator configured to generate network identifier to determine communicable connectability to the first communication network based on the destination communication identifier when the determination apparatus identifier indicates a plurality of information processing apparatuses, wherein the determiner determines whether or not the third information apparatus identified by the destination communication identifier in the monitoring information is able to communicably connect to the first communication network, determines that the third communication network is the same as the second communication network when determining communicably connection is possible, and determine that the third communication network is different from the second communication network, otherwise. ### Claim 5 (depends on 1) The communication network determination apparatus according to claim 1 further comprising: a function specifier configured to specify the second information processing apparatus as a relay apparatus communicably connecting between the first communication network and the second communication network different from the first communication network. ### Claim 6 (depends on 2) The communication network determination apparatus according to claim 2 further comprising: a function specifier configured to specify the fourth information processing apparatus as a relay apparatus connecting between the second communication network and the third communication network different from the second communication network when determining that the third communication network is different from the second communication network. ### Claim 7 (depends on 6) The communication network determination apparatus according to claim 6, wherein the monitoring information includes a port number for identifying a program executed in the third information processing apparatus in association with the communication identifier allocated to the first information apparatus, wherein the function specifier specifies a function of the first information apparatus or a function of the third information apparatus based on the port number. ### Claim 8 (depends on 6) The communication network determination apparatus according to claim 6, wherein the monitoring information includes processing content indicating processing for the communication in association with the communication identifier allocated to the first information apparatus, and the function specifier specifies a function of the first information processing apparatus or a function of the third information processing apparatus based on code sequence included in the processing content. ### Claim 9 (depends on 1) The communication network determination apparatus according to claim 1 further comprising: a display controller configured to control a user interface to display the communication identifier included in the monitoring information in accordance with a display mode depending on determined difference between the first communication network and the second communication network. ### Claim 10 (depends on 5) The communication network determination apparatus according to claim 5 further comprising: a display controller configured to control a user interface to display the communication identifier in the monitoring information in accordance with a display mode depending on the determined difference between the first communication network and the second communication network, the display mode being a mode where a communication network determined to be the same, a communication network determined to be different, and the communication identifier allocated to information apparatus determined to be a relay apparatus connecting communication networks are connected with each other. ### Claim 11 (depends on 7) The communication network determination apparatus according to claim 7 further comprising a display controller configured to control a user interface to display the communication identifier in the monitoring information in accordance with a display mode depending on the determined difference between the first communication network and the second communication network, the display mode associating the specified function for an information processing apparatus identified by the communication identifier with the communication identifier. ### Claim 12 A communication network determination method comprising: calculating a number of types of communication identifier associated with an apparatus identifier of a second information apparatus in monitoring information where a communication identifier allocated to a first information apparatus in a second communication network and an apparatus identifier of a second information apparatus that relays a communication in a first communication network, the monitoring information generated based on communication network via the first communication network; and determining that the first communication network is the same as the second communication network when the calculated number of types is one, and determining that the first communication network is different from the second communication network when the calculated number of types is two or more. ### Claim 13 A non-transitory recording medium storing a communication network determination program, the program making a computer achieve: a calculation function configured to calculate a number of types of communication identifier associated with an apparatus identifier of a second information apparatus in monitoring information where a communication identifier allocated to a first information apparatus in a second communication network and an apparatus identifier of a second information apparatus that relays a communication in a first communication network, the monitoring information generated based on communication network via the first communication network; and a determination function configured to determine that the first communication network is the same as the second communication network when the calculated number of types is one, and determine that the first communication network is different from the second communication network when the calculated number of types is two or more.