A communication device (100) that operates as a management node in a first zone being a management domain on a network, the communication device (100) including: a communication unit (110) that executes communication with another node; and a control unit (130) that controls communication executed by the communication unit (110), in which the control unit (130) operates such that, when having received, from a user, a request regarding an application that chains one or more application functions (AFs) to act on a packet flowing in the network, the control unit (130) acquires information regarding the application from a second zone being a management domain other than the first zone, and then calculates a deployment destination of the AFs in the network including the first zone and the second zone based on the information.

A traffic application amount calculation device 14 includes a calculation unit 143 that uses traffic data flowing to an IF of a NW device to calculate, in the IF, an average traffic amount in a transmission direction and an average traffic amount in a reception direction, a first arithmetic operation unit 145 that selects a direction in which an average traffic amount is smaller out of the transmission direction and the reception direction and calculates a standard deviation of the traffic amount in a selected direction that is selected, and a second arithmetic operation unit 146 that determines a traffic amount obtained by multiplying the standard deviation by a predetermined value as a traffic application amount to be applied to traffic in the selected direction.

In a signal transfer system including a signal transfer management apparatus and a plurality of signal transfer apparatuses connected in multiple stages that form a network between distribution station apparatuses and a central station apparatus, a first signal transfer apparatus directly connected to a distribution station apparatus among the plurality of signal transfer apparatuses acquires the amount of data of a high priority signal that will be output next from the distribution station apparatus, measures the amount of traffic of the high priority signal received from the distribution station apparatus, calculates opening and closing timings of a gate for transferring a low priority signal based on the amount of data and the amount of traffic, and opens and closes the gate for transferring the low priority signal. This enables efficient use of the network bandwidth.

A quality of service adjusting method based on application categories is configured to adjust a Quality of Service (QoS) of a communication device. A network session processing step is performed to drive a hardware accelerator to process a plurality of network sessions. A packet receiving step is performed to drive a processing unit to receive a first packet group of each of the network sessions. A packet analyzing step is performed to execute a packet inspecting module to analyze a plurality of packet data of the first packet group of each of the network sessions, and to classify an application corresponding to each of the network sessions. A list establishing step is performed to establish a priority list. A bandwidth distributing step is performed to distribute a network bandwidth to a second packet group of each of the network sessions according to the priority list.

A communication log aggregation device includes: a communicator that obtains flow information including one or more flow records and first statistical information for each flow from each of collection devices, the one or more flow records each including flow identification information included in a message received by at least one observer that is disposed in a control network system, the flow being classified based on the flow identification information, the collection devices each collecting the one or more flow records and the first statistical information for each flow from the message received by the observer; and a flow aggregator that generates aggregated flow information by performing at least one of the following: (i) selecting at least one of the one or more flow records, (ii) adding second statistical information, and (iii) deleting at least one of the one or more flow records, and outputs the aggregated flow information.

There is set forth herein obtaining data traffic monitoring data, the data traffic monitoring data being in dependence on monitoring of traffic received by a container of a protected computing environment; obtaining data traffic monitoring data, the data traffic monitoring data being in dependence on monitoring of traffic received by a processing resource of a computing environment; obtaining a state of the processing resource and provisioning a utility processing resource to include the state of the processing resource; and configuring the computing environment to route data traffic to the utility processing resource.

There is set forth herein obtaining data traffic monitoring data, the data traffic monitoring data being in dependence on monitoring of traffic received by a container of a protected computing environment; obtaining data traffic monitoring data, the data traffic monitoring data being in dependence on monitoring of traffic received by a processing resource of a computing environment; obtaining a state of the processing resource and provisioning a utility processing resource to include the state of the processing resource; and configuring the computing environment to route data traffic to the utility processing resource.

A gateway apparatus according to an embodiment includes a transfer destination specification unit that refers to a slice transfer table for determining a tunnel for a transfer destination when a packet with a slice ID added is received, the slice requirement abstracted indicating a requirement related to transfer priority, reliability, and whether a network function is passed through and a gateway ID abstracted indicating a gateway apparatus to be a destination and specifies a tunnel corresponding to the slice requirement and the gateway ID that are included in the slice ID and a transfer unit that transfers the packet with the tunnel specified by the destination specification unit.

A latency measurement apparatus (10) includes a topology detection unit (13) that collects routing information from a NW (30) to which a plurality of nodes are connected to detect topology information, a path determination unit (14) that determines inter-node path information based on the topology information, a test packet generation unit (15) that generates a test packet, a marking unit (20) that performs time-keeping with a time-keeping unit (19), marks the test packet with transmission time information based on the time-keeping when the test packet is transmitted to the path according to the inter-node path information, and marks the test packet with reception time information based on the time-keeping when the test packet is received from the path, and a latency calculation unit (17) that calculates a latency time from a difference between the marked transmission time information and reception time information and stores the calculated latency time information in a DB (16) in association with the path information.

A signal transfer system including a signal transfer management apparatus and a plurality of signal transfer apparatuses connected in multiple stages and forming a network between distribution station apparatuses and a central station apparatus, wherein a first signal transfer apparatus directly connected to a distribution station apparatus acquires the amount of data of a high priority signal that is to be output next from the distribution station apparatus, measures and transmits the amount of traffic of a signal received from the distribution station apparatus to the signal transfer management apparatus, receives a result of determination as to whether the amount of data acquired from the distribution station apparatus is to be discarded from the signal transfer management apparatus based on the amount of traffic, and when the amount of data is not to be discarded according to the result of the determination, calculates opening and closing timings of a gate transferring a low priority signal based on the amount of data and the measured amount of traffic of the high priority signal, and opens and closes the gate transferring the low priority signal based on a result of the calculation, thereby enabling efficient use of the network bandwidth.