Abstract: A setting changing apparatus includes a memory and a processor configured to determine whether software of a plurality of network devices, which are related to a redundant configuration, is being updated when an instruction of setting change for the plurality of network devices is input; and wait, when the software of any of the network devices is being updated, until the update of the software of the network device is completed and execute the setting change for the network device.

Abstract: A packet communication device connected to one or more paths includes a routing unit that distributes packets received from a terminal to any one of the one or more paths, and a control unit that acquires an IP address of the terminal and sets an application rule for packet processing in the routing unit on the basis of the IP address.

Abstract: A resource amount estimation device includes: an acquisition unit configured to acquire, in response to a request for allocation of a resource, a measurement value of an amount of the resource, a measurement time of the measurement value, and statistical information relating to the resource; and a calculation unit configured to input a measurement value acquired by the acquisition unit and an elapsed time from the measurement time to a scheduled allocation time of the resource into a model that estimates the resource amount in the future on the basis of the statistical information and to calculate an estimation value of the resource amount at the scheduled allocation time, and thus increases the possibility of resource allocation appropriate to a point in time when the resource is allocated being performed.

Abstract: An application information storage unit configured to store information obtained by associating application information including flow characteristics of an application of a flow constituted by a packet with a flow identifier for identifying the flow of the packet, an acquisition unit configured to acquire, in a case where an input port receives a packet, application information of a flow constituted by the packet from the application information storage unit, and an output unit configured to output the packet received by the input port to a packet transfer apparatus in a load state indicating that a load due to the flow of the flow characteristics is light among a plurality of packet transfer apparatuses according to the flow characteristics included in the application information acquired by the acquisition unit are provided.

Abstract: A storage unit configured to store information regarding flow characteristics indicating whether a flow constituted by a packet is a flow having a tendency to have a large number of short packets or a flow having a tendency to have a large number of long packets in association with destination information of the packet, a determination unit configured to, in a case where an input port receives a packet, determine flow characteristics of a flow constituted by the packet on the basis of the storage unit, and an output unit configured to output the packet received by the input port to a packet transfer apparatus in a load state indicating that a load due to the flow of the flow characteristics is light among a plurality of packet transfer apparatuses according to the flow characteristics determined by the determination unit are provided.

Abstract: A transfer device is provided on a service provider network different from a carrier network, and includes: an identifier inquiry unit configured to acquire a user identifier from an intra-carrier-network database storing an IP address and the user identifier using a transmission source IP address of a packet received from a user terminal to which the IP address is allocated from the carrier network; and a data processing unit configured to execute processing to the packet according to the user identifier.

Abstract: A communication apparatus which terminates an L2 tunnel and an L3 tunnel includes a table storage unit which stores an ARP table where a broadcast MAC address is set as a destination MAC address linked to a destination IP address, and a transmission unit which acquires the broadcast MAC address as a destination MAC address corresponding to a destination IP address of an IP packet received via the L3 tunnel by referring to the ARP table and transmits a frame to which the broadcast MAC address is added as a destination MAC address, via the L2 tunnel.

Abstract: A communication device, in which a protocol is workable, the protocol enabling formation of a redundancy configuration including a plurality of communication devices by use of a virtual IP address, includes: a table storage unit configured to store a table in which, for each of a plurality of destination networks connected to the communication device through a path, the virtual IP address and the destination network are associated with each other; and a control unit configured to identify, in response to detection of a failure in the path connected to one of the destination networks, the virtual IP address associated with the destination network by reference to the table and cause the identified virtual IP address to transition to another communication device, the another communication device forming the redundancy configuration with the communication device.

Abstract: An acquisition unit acquires a state of a server including pieces of virtual CPE, and an instructing unit instructs CPE connected to the virtual CPE to control a communication band based on the state of the server. The instructing unit instructs the CPE to limit a communication band to a predetermined value or less based on a CPU usage rate acquired by the acquisition unit exceeding a predetermined threshold value. The instructing unit instructs the CPE to limit a communication band to a predetermined value or less in based on the number of connections of the CPE acquired by the acquisition unit being less than a predetermined threshold value. The acquisition unit acquires presence or absence of CPE not connected to the virtual CPE, and the instructing unit instructs the CPE to block communication based on the presence of CPE not connected to the virtual CPE.

Abstract: A function management device that manages, in a communication system including a plurality of pieces of customer premises communication equipment and a server capable of providing a function to the plurality of pieces of customer premises communication equipment, the function provided by the server, and includes a resource management unit configured to collect resource information from the plurality of pieces of customer premises communication equipment, a network management unit configured to collect, from the server, network band information of each of the functions, the network band being between the plurality of pieces of customer premises communication equipment and the server, and a function processing unit configured to activate a virtual machine on one of the plurality of pieces of customer premises communication equipment on the basis of the resource information and the network band information to cause a first function selected on the basis of a band occupancy ratio from among the functions provided

Abstract: In a communication system including first virtual CPE and second virtual CPE, the first virtual CPE includes a band acquisition unit configured to acquire a first contract band set for a subscriber under control of the first CPE and acquire a value of decrease in the first contract band when at least one subscriber terminal of the subscriber transitions from being under control of the first CPE to being under control of the second CPE, and a band control unit configured to control a communication band for the first CPE, and the second virtual CPE includes a band acquisition unit configured to acquire a second contract band set for a subscriber under control of the second CPE and acquire a value of increase in the second contract band, and a band control unit configured to control a communication band for the second CPE.

Abstract: An application information storage unit configured to store information obtained by associating application information including flow characteristics of an application of a flow constituted by a packet with a flow identifier for identifying the flow of the packet, an acquisition unit configured to acquire, in a case where an input port receives a packet, application information of a flow constituted by the packet from the application information storage unit, and an output unit configured to output the packet received by the input port to a packet transfer apparatus in a load state indicating that a load due to the flow of the flow characteristics is light among a plurality of packet transfer apparatuses according to the flow characteristics included in the application information acquired by the acquisition unit are provided.

Abstract: A communication apparatus connected to a virtual apparatus having an address dispensing function via an access network is provided, wherein the communication apparatus includes a communication confirmation unit configured to perform a communication confirmation between the virtual apparatus and the communication apparatus; and an address dispensing unit configured to dispense an address to a user terminal under control of the communication apparatus when communication between the virtual apparatus and the communication apparatus is not able to be confirmed by the communication confirmation unit, and the address dispensing unit causes the user terminal to forcibly release the address when the communication between the virtual apparatus and the communication apparatus is able to be confirmed by the communication confirmation unit.

Abstract: A collection unit (22) collects traffic information generated when data is transmitted from an IoT device connected to the network. When the traffic information collected by the collection unit (22) satisfies the determination condition preset based on a traffic pattern of each IoT device, a determination unit (23) determines that an abnormality occurs in the IoT device that generates the traffic.

Abstract: In a communication system including a first virtual CPE to which a terminal belongs, a second virtual CPE, and an authentication server, when the terminal connects to the second virtual CPE, the second virtual CPE confirms whether terminal information of the terminal is registered in the authentication server, and when the terminal information is registered in the authentication server, the authentication server notifies the second virtual CPE of an address of the first virtual CPE, and the second virtual CPE performs a tunnel connection to the first virtual CPE.

Abstract: An acquisition unit (11a) acquires a state of a server in which a plurality of pieces of virtual CPE are implemented, and an instructing unit (11b) instructs CPE connected to the virtual CPE to control a communication band in accordance with the state of the server. The instructing unit (11b) instructs the CPE connected to the virtual CPE to limit a communication band to a predetermined value or less in a case where a CPU usage rate acquired by the acquisition unit (11a) exceeds a predetermined threshold value. The instructing unit (11b) instructs the CPE connected to the virtual CPE to limit a communication band to a predetermined value or less in a case where the number of connections of the CPE connected to the virtual CPE acquired by the acquisition unit (11a) is less than a predetermined threshold value.

Abstract: A storage unit configured to store information regarding flow characteristics indicating whether a flow constituted by a packet is a flow having a tendency to have a large number of short packets or a flow having a tendency to have a large number of long packets in association with destination information of the packet, a determination unit configured to, in a case where an input port receives a packet, determine flow characteristics of a flow constituted by the packet on the basis of the storage unit, and an output unit configured to output the packet received by the input port to a packet transfer apparatus in a load state indicating that a load due to the flow of the flow characteristics is light among a plurality of packet transfer apparatuses according to the flow characteristics determined by the determination unit are provided.

Abstract: A load distribution system has: determination means for determining, upon an input port receiving a packet, a flow attribute indicating whether a flow configured by the packet is a flow that tends to include many long packets or a flow that tends to include many short packets; and output means for outputting the packet to a packet transfer device in a load state indicating that a load applied by the flow of the flow attribute is low, of a plurality of packet transfer devices, in accordance with the flow attribute determined by the determination means.

Abstract: A method for producing an article having a novel metal gloss which does not use a solvent when forming an article having metallic luster, and a toner for metallic luster color and a printing method using the same.

Abstract: A function management device that manages, in a communication system including a plurality of pieces of customer premises communication equipment and a server capable of providing a function to the plurality of pieces of customer premises communication equipment, the function provided by the server, and includes a resource management unit configured to collect resource information from the plurality of pieces of customer premises communication equipment, a network management unit configured to collect, from the server, network band information of each of the functions, the network band being between the plurality of pieces of customer premises communication equipment and the server, and a function processing unit configured to activate a virtual machine on one of the plurality of pieces of customer premises communication equipment on the basis of the resource information and the network band information to cause a first function selected on the basis of a band occupancy ratio from among the functions provided