Abstract: A network monitoring apparatus sets monitoring targets that are physical interfaces included in leaf nodes and spine nodes, links connecting the leaf nodes and the spine nodes, transfer function units included in the spine nodes, and an overlay tunnel set between the originating-side leaf node on the terminating-side leaf node, aggregates monitoring results at the respective monitoring targets, and determines the failure type of a failure and the degree of influence of the failure on the basis of the type of the monitoring target in which the failure has occurred and the occurring event.

Abstract: A method for manufacturing an intermittently coupled-type optical fiber ribbon includes arranging a plurality of optical fibers in parallel in a direction orthogonal to a longitudinal direction of the plurality of optical fibers, coating all of the plurality of optical fibers with a coupling resin, intermittently inserting a cleaving blade into the coupling resin between some adjacent optical fibers of the plurality of optical fibers to form slits. An outer diameter of each of the optical fibers is 220 ?m or less. A distance between the optical fibers into which the cleaving blade is inserted among the adjacent optical fibers is 10 ?m or more and 100 ?m or less.

Abstract: A radar apparatus includes an antenna composed of an end-fire array antenna and including a plurality of antenna elements; and a circuit board in which the plurality of antenna elements is disposed side by side in a first direction. At least one of the plurality of antenna elements is parallel to a substrate surface of the circuit board. A directivity of at least one of the plurality of antenna elements is set to a third direction tilted with respect to the first direction and a second direction orthogonal to the first direction.

Abstract: 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 in

Abstract: A communication latency measurement apparatus (10) includes a packet generation unit (12) that generates an SRT packet (packet) to be transmitted to an NW 30 to which a plurality of routers (1r to 6r) by recording path information including an ID of a router serving as a round-trip transfer destination of the packet, a time keeping unit (13) that keeps a time, a transmission/reception unit (11) that records a time kept when the packet is transmitted and/or received as a timestamp for each of transmission and reception in the generated packet, a latency calculation unit 14 that calculates a latency time on a round-trip path from a difference between the transmission and reception timestamps recorded in the received packet and store the latency time in a DB 15 in association with the path information, and a specific segment latency calculation unit 17 that calculates a latency time in a specific router segment from a difference between the stored latency time information of a round-trip path (arrow Y2) includin

Abstract: A light apparatus mounted on a vehicle includes a lamp that emits light into a first region through a first cover and a radar provided on a lower side or an upper side of the lamp. The radar includes a separator provided between the lamp and the radar, a circuit board having a board surface arranged in a substantially horizontal manner, and an antenna that is disposed on the board surface of the circuit board, transmits electromagnetic waves through a second cover in a second region that is at least partially different from the first region, and receives reflected waves through the second cover from objects outside the vehicle in the second region.

Abstract: A network 50 is hierarchically divided into network devices 501 to 506, areas, and the like to be monitoring targets, and a monitoring device 100 monitors a divided monitoring target. A monitoring device of an N-th layer (here, N?2) that is an upper layer with respect to a first layer monitors information of reachability between user connection points received from a monitoring device of an (N?1)-th layer that is a lower layer and network devices connecting monitoring targets of the (N?1)-th layer making up monitoring targets of the N-th layer and connection statuses between the network devices and areas that are monitoring targets. The monitoring device determines the presence/absence of reachability between user connection points belonging to different monitoring targets of the (N?1)-th layer on the basis of this reachability and the connection statuses.

Abstract: An edge switching device (10) of an edge switching system (1000) includes: a remaining lease time information obtainment unit (122) that obtains remaining lease time information for each of user terminals (4) from a DHCP server (30); a submission order determination unit (123) that determines a submission order for user configuration information in order from a shortest remaining lease time; a user configuration information submission unit (124) that submits, to a backup system edge router (2B), user configuration information of each of the user terminals (4), according to the determined submission order; and a reconnection inducement instruction unit (125) that sends, to the DHCP server, an instruction to send reconnection inducement information to the user terminals for which the user configuration information has been submitted.

Abstract: Provided is an intermittently coupled-type optical fiber ribbon in which, in a state where a plurality of optical fibers are arranged in parallel, coupling portions at which adjacent optical fibers are coupled by a coupling resin and non-coupling portions at which the adjacent optical fibers are not coupled are intermittently provided in a longitudinal direction, the coupling portions and the on-coupling portions being provided between some or all of the plurality of optical fibers, in which at least some of the non-coupling portions include a convex portion of the coupling resin, a tip end of the convex portion having an acute angle in a cross-sectional view in a direction orthogonal to the longitudinal direction.

Abstract: A routing control device (1) includes: a configuration management unit (11) configured to generate NW configuration information (t1) that indicates a configuration of a communication network via which predetermined services are provided; a calculation unit (12) configured to calculate, based on the NW configuration information (t1), routes that have a minimum transmission delay between nodes disposed in the communication network; and a setting unit (13) configured to set a calculated route for a low latency service that requires an allowable value of transmission delay to be less than or equal to a predetermined value, out of the services.

Abstract: A light apparatus mounted on a vehicle includes a lamp that emits light into a first region through a first cover and a radar provided on a lower side or an upper side of the lamp. The radar includes a separator provided between the lamp and the radar, a circuit board having a board surface arranged in a substantially horizontal manner, and an antenna that is disposed on the board surface of the circuit board, transmits electromagnetic waves through a second cover in a second region that is at least partially different from the first region, and receives reflected waves through the second cover from objects outside the vehicle in the second region.

Abstract: Implementations are directed to performing path switching quickly and efficiently when path switching is required in a multicast transfer system. In a multicast transfer system, a multicast group for transmitting the same packet from a sender (transmitting apparatus) to a plurality of receivers (receiving apparatuses) is formed. A transfer apparatus holds transfer destination data in which a group identifier for identifying a multicast group is associated with copy transfer destination information (multicast segment) for specifying another transfer apparatus to be used as a packet transfer destination when the packet is received. In copy transfer destination information, a plurality of other transfer apparatuses can be registered by adding a priority, and a plurality of group identifiers can be associated with a single piece of copy transfer destination information.

Abstract: A transfer apparatus configured to control transfer of a packet from a transmission source node to a destination node through segment routing includes: a storage unit storing node management information T1 indicating, for each node that functions as a transmission source node or a destination node, an SID list acquisition method of the nodes; a packet reception unit for receiving a reception packet from the destination node; an information setting unit for, if a destination-side SID list acquisition method of the destination node and a transmission source-side SID list acquisition method of the transmission source node do not match each other based on the node management information T1, setting the information that is needed to execute the transmission source-side SID list acquisition method in the reception packet; and a packet transmission unit configured to transmit the reception packet that was subjected to the setting to the transmission source node.

Abstract: Disclosed herein are log information collection methods for collecting log information of a network device operating in accordance with instructions from an operation apparatus. In some cases, the log information collection method can comprise: determining whether another piece of the log information including a second character string occurs in a predetermined duration, wherein the niece of log, information includes a first character string; generating a new piece of log information including a third character string; and accepting specifications of the first, second, and third character strings, the predetermined duration, and occurrence or non-occurrence of the piece of the log information and the other piece of the log information.

Abstract: To ensure efficiency of software update operations while maintaining reliability of an entire network during the software update operations. A software update management apparatus 1 includes a storage unit 12 adapted to divide a network into one or more blocks and store block management information 100 indicating whether each of network devices belonging to each of the resulting blocks is an active device or a standby device; an update instruction receiving unit 101 adapted to receive software update instructions; a software update information generating unit 102 adapted to generate software update information 200; a software updating unit 103 adapted to perform software update processes after transferring traffic to standby devices in same blocks as respective active devices when it is determined that the network devices are active devices according to the software update information 200 and thereby perform the software update processes for active devices or standby devices in different blocks in parallel.

Abstract: A plasma processing apparatus includes: a chamber including a first member, and a second member detachable from the first member; a conductive member disposed between the first member and the second member; and a first high frequency power supply generating plasma in the chamber. The conductive member includes a resin member made of a resin material, and a metal film covering a surface of the resin member.

Abstract: A robot system includes a robot main body, a sensor that detects a magnitude of an external force applied to the robot main body, a control unit that controls the robot main body, a reference value storage unit that stores a value of an external force detected by the sensor as a reference external force value in an operating state where only the weight of the robot main body and the load handled by the robot main body act on the robot main body, a determination unit that, during operation of the robot main body, determines that an external force other than the weight of the robot main body and the load acts on the robot main body when an absolute value of a difference between a value of an external force detected by the sensor and the stored reference external force value is larger than a predetermined threshold value.

Abstract: [Problem] To allocate IFs to be used in accordance with buffers such that no packet loss occurs in a case in which the transfer apparatus that performs packet transfer includes as many buffers with grouped interfaces (IFs) mounted in units of groups thereon as the number of groups. [Solving Means] A packet transfer apparatus 10C has a plurality of buffers 11a to 11n mounting IFs in units of groups and performs, when the traffic amount at the time of packet transfer of the IFs of each of the buffers exceeds maximum transfer capacity of the IFs, buffering packets corresponding to the exceeding traffic amount in the buffers.

Abstract: [Problem] A route information transfer device that transfers packets advertising route information between routers of different service types is provided. [Solution] The route reflector (route information transfer device) 1 includes: a packet reception unit 11 that receives packets from a PE (router) 2; an information update unit 120 that updates a parameter related to the service type included in the received packet according to the PE 2 and the virtual private network, and stores the updated parameter in the service-type information storage unit 13; an information conversion unit 14 that refers to the service-type information storage unit 13 and converts the parameter related to the service type of the source PE2 of the packet into a parameter related to a service-type of the destination PE 2 in an identical virtual private network; and a packet transmission unit 16 that transmits a packet including the converted parameter to the destination PE 2.

Abstract: A light apparatus mounted on a vehicle includes a lamp unit having: a first cover, and a light source that emits light through a first cover into a predetermined area including a first direction. The light apparatus also includes: a radar unit provided on a lower side or an upper side of the lamp unit, and a separator provided between the lamp unit and the radar unit. The radar unit includes: a circuit board having a board surface arranged in a substantially horizontal state, and an antenna unit that transmits an electromagnetic wave in a range including a second direction different from the first direction and that receives a reflected wave from an object existing outside the vehicle. The antenna unit is arranged in the board surface.