WO2012056711A1 - 伝送装置および伝送システム並びに障害通知方法 - Google Patents
伝送装置および伝送システム並びに障害通知方法 Download PDFInfo
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- WO2012056711A1 WO2012056711A1 PCT/JP2011/006037 JP2011006037W WO2012056711A1 WO 2012056711 A1 WO2012056711 A1 WO 2012056711A1 JP 2011006037 W JP2011006037 W JP 2011006037W WO 2012056711 A1 WO2012056711 A1 WO 2012056711A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0766—Error or fault reporting or storing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0793—Remedial or corrective actions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0635—Configuration or reconfiguration of storage systems by changing the path, e.g. traffic rerouting, path reconfiguration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
Definitions
- the present invention relates to a failure notification technique, specifically, a failure notification in a system that transmits signals of a plurality of wired transmission paths connected to each transmission apparatus by a transmission apparatus connected via the transmission path between the transmission apparatuses.
- a failure notification technique specifically, a failure notification in a system that transmits signals of a plurality of wired transmission paths connected to each transmission apparatus by a transmission apparatus connected via the transmission path between the transmission apparatuses.
- a system that transmits and receives a LAN (Local Area Network) signal standardized by, for example, IEEE 802.3 using a wireless transmission path as a part of the transmission path is known.
- a terminal station connected to a network device via a wired transmission path transmits a LAN signal from the network device to the opposite terminal station via the wireless transmission path, and the partner terminal station transmits wirelessly.
- the signal received via the path is output to a network device connected to itself via a wired transmission path.
- any of the terminal stations connected via the wireless transmission path to the system as described above is faulty in the transmission path (wired transmission path and wireless transmission path connected to the terminal station).
- a method for notifying a network device of its own station when a failure is detected and also notifying a network device of an opposite terminal station is disclosed.
- the terminal station when a terminal station detects a failure in a transmission line, the terminal station disconnects the line of the wired transmission line connected to the terminal station and replaces the control signal string for notifying the failure with a data string for wireless transmission. By outputting to the path, the control signal train is transmitted to the opposite terminal station. Also, when the control signal sequence is received from the opposite terminal station, the wired transmission path of the own station is disconnected.
- the terminal station can notify the network device of the local station when the terminal station detects a failure in the transmission path, and when the terminal station opposite to the terminal station detects the transmission path failure. Can also notify the local network device of the failure.
- terminal stations In recent years, the use of IP in networks has progressed, and in a system such as that described above, terminal stations often contain a plurality of wired transmission paths and have a switching function.
- Patent Document 1 discloses a method for notifying each network device of its own station and each network device of a partner station of a failure in a system in which each terminal station accommodates a plurality of wired transmission paths (Patent Document 1). 8 in FIG. 1, “0076”, “0077”).
- each terminal station detects, for each of a plurality of wired transmission paths of its own station, a function of detecting a failure of the wired transmission path, a function of detecting a failure of the wireless transmission path, and the above-mentioned when a failure is detected.
- each terminal station accommodates a plurality of wired transmission paths
- the own station when the own station detects a failure in the transmission path, it can notify the network equipment of the own station of the failure and Even when the terminal station that detects the failure of the transmission path can notify the network device of its own station of the failure.
- the present invention can be applied to a system that transmits signals of a plurality of wired transmission paths connected to each transmission device.
- the multiplexing device described above includes a frame relay interface accommodating unit (hereinafter referred to as an FR interface accommodating unit) that accommodates the FR terminal, an ATM switch unit, and a plurality of ATM cell multiplexing units provided for each FR terminal. Prepare.
- an FR interface accommodating unit that accommodates the FR terminal
- an ATM switch unit that controls the FR terminal
- a plurality of ATM cell multiplexing units provided for each FR terminal.
- Frame data from each FR terminal is converted into an ATM cell by an FR interface accommodating unit accommodating the FR terminal, and then output to one of a plurality of ATM cell multiplexing units via the ATM switch unit.
- the ATM cell multiplexing unit attempts to multiplex ATM cells from a plurality of outgoing lines of the ATM switch unit and send them to the ATM line, but has a function of monitoring congestion. When congestion occurs, the ATM cell multiplexing unit is forced to discard the ATM cell given from the ATM switch unit, so it is necessary to notify the FR terminal of the congestion.
- the management cell indicating the congestion is used for each logical channel (virtual channel identifier: VCI) that is multiplexed, and the FR corresponding to that logical channel.
- VCI virtual channel identifier
- the FR interface accommodating unit obtains a frame logical channel (FR-DLCI) corresponding to the logical channel in the ATM of the notification, and significantly sets the BENC bit in accordance with the frame relay standard interface protocol.
- the notification frame is generated and transmitted to the FR terminal.
- Such a problem also occurs when the ATM cell multiplexing unit detects its own failure or ATM line failure and finally notifies the FR terminal of the failure.
- the technique disclosed in Patent Document 2 is a multiplexing device in which, for each ATM cell multiplexing unit, information on all logical channels connected to the ATM cell multiplexing unit is grouped and held, and a monitoring item error is detected.
- the monitoring information including the specific information of the grape is accommodated in all the FR interfaces to which all or some of the logical channels belong to the group via the ATM switch unit.
- the received FR interface accommodating unit that is, each FR interface accommodating unit in which all or a part of the logical channels belong to the group, is connected to the FR terminal corresponding to the logical channel belonging to the group.
- the ATM cell multiplexing unit since the ATM cell multiplexing unit only has to notify the monitoring information to one FR interface accommodating unit once, the communication processing load of each functional block can be reduced.
- the wired transmission path in which the failure occurs in the partner station Cannot transmit a signal through a transmission path for transmitting an uncorrelated signal, and the communication efficiency of the entire system is deteriorated.
- the technique disclosed in Patent Document 2 is configured such that when a plurality of logical channels are set between one FR interface accommodating unit and an ATM cell multiplexing unit that detects congestion, congestion is caused for each logical channel. In order to solve the problem that multiple notifications are made each time a failure such as congestion is detected in one ATM cell multiplexing unit, grouping based on logical channels is performed.
- a combination of the technique disclosed in Patent Document 2 and the above-described technique disclosed in Patent Document 1 a plurality of transmission devices connected to each transmission device by a transmission device connected via a transmission path between the transmission devices.
- the present invention has been made in view of the above circumstances, and in a system for transmitting signals of a plurality of wired transmission paths connected to each transmission apparatus by a transmission apparatus connected via a transmission path between the transmission apparatuses. Provided a technique for avoiding deterioration in communication efficiency of the entire system when notifying the occurrence of a failure.
- One aspect of the present invention is based on the transmission device in a system in which a pair of transmission devices that are connected to each other via a transmission line between transmission devices transmits signals of a plurality of wired transmission lines connected to the transmission devices.
- This is a failure notification method.
- This failure notification method includes an own device group information holding step, an inter-device group information holding step, a link disconnection information transmission step, and a link control step.
- the own device group information holding step holds own device group information indicating a correspondence relationship between each wired transmission path connected to the transmission device and a link group to which the wired transmission path belongs.
- One link group includes one or more wired transmission circuits connected to the transmission device and the transmission line between the transmission devices.
- the inter-device group holding step holds inter-device group information indicating a correspondence relationship between each link group of the transmission device and each link group of the transmission device oppositely connected to the transmission device.
- the link disconnection information transmission step refers to the device group information, and when a failure of one or a plurality of the wired transmission paths belonging to any of the link groups of the transmission device is detected, the link group The link disconnection information indicating the failure is transmitted to the transmission apparatus oppositely connected to the transmission apparatus via the transmission line between the transmission apparatuses.
- the link control step disconnects the wired transmission path when a failure of any of the wired transmission paths connected to the transmission apparatus is detected. Further, when a failure in the transmission line between the transmission apparatuses is detected, all the wired transmission lines connected to the transmission apparatus are disconnected. Further, when the link disconnection information indicating the failure of any link group of the transmission apparatus oppositely connected to the transmission apparatus is received via the transmission line between the transmission apparatuses, the inter-apparatus group information and the own apparatus With reference to the device group information, each wired transmission path included in the link group corresponding to the link group indicated by the received link disconnection information among the link groups in the transmission device is disconnected.
- a transmission apparatus that implements the failure notification method of the above aspect a system that includes the transmission apparatus, a program that causes a computer to execute the method, a recording medium that records the program, and the like are also effective as aspects of the present invention. is there.
- a failure is reported in a system that transmits signals of a plurality of wired transmission paths connected to each transmission apparatus by a transmission apparatus connected via a transmission path between the transmission apparatuses. In this case, it is possible to avoid deterioration of communication efficiency of the entire system.
- Non-transitory computer readable media include various types of tangible storage media.
- Examples of non-transitory computer-readable media include magnetic recording media (eg, flexible disks, magnetic tapes, hard disk drives), magneto-optical recording media (eg, magneto-optical disks), CD-ROM (Read Only Memory) CD-R, CD -R / W, including semiconductor memory (for example, mask ROM, PROM (Programmable ROM), EPROM (Erasable PROM), flash ROM, RAM (Random Access Memory)).
- the program may be supplied to the computer by various types of temporary computer readable media. Examples of transitory computer readable media include electrical signals, optical signals, and electromagnetic waves.
- the temporary computer-readable medium can supply the program to the computer via a wired communication path such as an electric wire and an optical fiber, or a wireless communication path.
- FIG. 1 shows one of a pair of transmission apparatuses connected to each other via a transmission path between transmission apparatuses (hereinafter referred to as “inter-apparatus transmission path”), and a plurality of wired transmission paths (R1, R2,. .., connected to Rn).
- the transmission apparatus 100 illustrated in FIG. 1 and the transmission apparatus that is oppositely connected to the transmission apparatus 100 have the same configuration.
- FIG. 1 only the parts necessary for explaining the technique according to the present invention are shown, and illustration and explanation of other parts usually provided in this type of transmission apparatus are omitted.
- the transmission apparatus 100 receives signals from a network device (not shown) such as a LAN connected to these wired transmission paths via the wired transmission paths R1, R2,.
- the data is transmitted to the opposite transmission apparatus via the transmission line.
- the signals transmitted from the plurality of wired transmission lines connected to the opposite transmission device, which are transmitted by the opposite transmission device via the inter-device transmission line, are received, and the wired transmission lines R1, R2,... Output to one of Rn.
- the transmission device 100 includes an own device group information holding unit 110, an inter-device group information holding unit 120, a link disconnection information transmission unit 130, and a link control unit 140.
- the own device group information holding unit 110 holds own device group information.
- the own device group information indicates the correspondence between each wired transmission path R1, R2,..., Rn connected to the transmission apparatus 100 and the link group to which the wired transmission path belongs.
- One link group includes one or more of the wired transmission paths R1, R2,..., Rn and an inter-device transmission path.
- One wired transmission line belongs to one link group. This device group information can be arbitrarily set by the user.
- FIG. 2 shows an example of own device group information when four wired transmission lines (R1, R2, R3, R4) are connected to the transmission device 100.
- the link group 1A has wired transmission paths R1, R2, and an inter-apparatus transmission path
- the link group 2A is a wired transmission path.
- the link group 3A includes a wired transmission path R4 and an inter-device transmission path.
- the own device group information holding unit 110 holds such own device group information set by the user.
- the inter-device group information holding unit 120 holds inter-device group information.
- the inter-device group information indicates a correspondence relationship between each link group of the transmission device 100 and each link group of the opposite transmission device. Also, this inter-device group information can be arbitrarily set by the user.
- FIG. 3 shows an example of inter-device group information when the transmission device 100 has the own device group information shown in FIG.
- “own device link group” indicates a link group on the transmission device 100 side
- “opposite device link group” indicates a link group on the opposite transmission device side.
- the link group 1A on the transmission device 100 side corresponds to the link groups 1B and 2B on the opposite transmission device side
- the link group 2A corresponds to the link group 2B
- the link group 3A Corresponds to the link group 3B.
- the inter-device group information holding unit 120 holds such inter-device group information set by the user.
- the link disconnection information transmission unit 130 transmits link disconnection information indicating a failure of the wired transmission path on the transmission apparatus 100 side in units of groups to the opposite transmission apparatus. For example, when a failure is detected in any one of the wired transmission paths R1, R2, R3, and R4 (for example, a signal from the wired transmission path becomes abnormal), the information is stored in the own device group information holding unit 110. With reference to the own device group information, link disconnection information is transmitted for the group to which the wired transmission path belongs. Specifically, in the case of the own device group information in FIG. 2, for example, when a failure is detected in the wired transmission path R1, the link disconnection information transmission unit 130 indicates the link disconnection information indicating the failure of “link group 1A”.
- link disconnection information indicating the failure of the “link group 2A” is output to the inter-device transmission path and transmitted to the opposite transmission device.
- link failure information is not transmitted for the link group to which the wired transmission path belongs, but is included in a certain link group
- link disconnection information may be transmitted for the link group. Specifically, for example, when a failure is detected in both the wired transmission path R1 and the wired transmission path R2, link disconnection information is transmitted for the link group 1A, while either one of the wired transmission paths R1 and R2 is transmitted. If only a failure is detected, link disconnection information is not transmitted for the link group 1A.
- link disconnection information transmission unit 130 transmits link disconnection information according to the policy set by the user.
- the link control unit 140 receives link disconnection information from the opposite transmission apparatus when a failure is detected in any of the wired transmission paths connected to the transmission apparatus 100, when a failure is detected in the inter-apparatus transmission path. When received, by disconnecting the wired transmission path connected to the transmission apparatus 100, the network device connected to the wired transmission path is notified of the failure.
- the link control unit 140 disconnects the wired transmission path.
- the link control unit 140 disconnects all the wired transmission paths connected to the transmission apparatus 100.
- link disconnection information (opposite device link disconnection information) indicating a failure of one of the link groups on the opposite transmission device side is received via the inter-device transmission path, it is held in the inter-device group information holding unit 120
- the own device link group corresponding to the link group in the opposite transmission device indicated by the opposite device link disconnection information with reference to the inter-device group information and the own device group information held in the own device group information holding unit 110 Disconnect all wired transmission lines included in
- the link control unit 140 when link disconnection information about the link group 2B is received from the opposite transmission device, the link control unit 140 first refers to the inter-device group information (FIG. 3) held in the inter-device group information holding unit 120. Then, link group 1A and link group 2A are extracted as the own apparatus link group corresponding to link group 2B. Then, all the wired transmission paths R1, R2, and R3 included in the link group 1A and the link group 2A are disconnected with reference to the own device group information held in the own device group information holding unit 110. Further, for example, when the link disconnection information from the opposite transmission apparatus is for the link group 1B, the link control unit 140 includes the wired transmission paths R1 and R2 included in the link group 1A corresponding to the link group 1B. Disconnect.
- the link control unit 140 includes the wired transmission paths R1 and R2 included in the link group 1A corresponding to the link group 1B. Disconnect.
- the technique according to the present invention associates the wired transmission paths on the transmission apparatuses side by group, associates the failure notification to the opposite transmission apparatus by the link disconnection information on the own apparatus side, and Disconnect the wired transmission path on its own device side based on the link disconnection information from the transmission device in units of groups, and all of the other transmission device side due to a failure of one of the wired transmission paths on the other transmission device side Disconnection of the wired transmission path can be avoided. Therefore, when performing failure notification, it is possible to avoid disconnection of the wired transmission path in the opposite transmission apparatus that has no correlation with the wired transmission path in which the failure has occurred, and to prevent a reduction in communication efficiency of the entire system.
- the transmission apparatus 100 illustrated in FIG. 1 is connected to the wired transmission paths R1, R2, R3, and R4, and has three links of the link groups 1B, 2B, and 3B through the first inter-apparatus transmission path.
- a first counter transmission apparatus having a group When connected to a first counter transmission apparatus having a group, and connected to a second counter transmission apparatus having two link groups of a link group 1C and a link group 2C via a second inter-device transmission path.
- the first counter transmission apparatus is the same as the counter transmission apparatus described in the above description.
- FIG. 4 shows an example of own device group information held by the own device group information holding unit 110 of the transmission device 100 in this case.
- each link group includes one or more wired transmission paths and one or more inter-apparatus transmission paths.
- FIG. 5 shows an example of the inter-device group information held by the inter-device group information holding unit 120 of the transmission device 100 in this case. As illustrated, in this case, each link group in the transmission apparatus 100 is associated with each link group in each counter transmission apparatus.
- the link disconnection information transmission unit 130 when a failure is detected in the wired transmission path R1, the link disconnection information transmission unit 130 outputs link disconnection information to the first inter-apparatus transmission path for the link group 1A to which the wired transmission path R1 belongs. Then, the failure of the link group 1A is notified to the first opposite transmission apparatus. Since the link group 1A does not include the second inter-device transmission path, in this case, the link disconnection information transmission unit 130 does not transmit information notifying the failure to the second inter-device transmission path.
- the link disconnection information transmission unit 130 when a failure is detected in the wired transmission path R2, the link disconnection information transmission unit 130 performs the second inter-device transmission path and the second transmission line for the link group 2A to which the wired transmission path R2 belongs. Link disconnection information is output to the inter-device transmission path, and the failure of the link group 2A is notified to the first and second opposing transmission devices.
- the link control unit 140 in the transmission device 100 firstly stores the inter-device group held in the inter-device group information holding unit 120. From the information, the local apparatus link group (link group 2A) corresponding to the link group 1C is extracted. Then, the link control unit 140 refers to the own device group information held in the own device group information holding unit 110 and disconnects all the wired transmission paths (R2, R3) included in the link group 2A.
- the link control unit 140 refers to the own device group information held in the own device group information holding unit 110 and performs the first inter-device transmission.
- Each wired transmission path (R1, R2, R3) belonging to all link groups (link groups 1A, 2A) including the path is disconnected.
- the link control unit 140 refers to the own device group information held in the own device group information holding unit 110 and transmits the second inter-device transmission.
- Each wired transmission path (R2, R3, R4) belonging to all link groups (link groups 2A, 3A) including the path is disconnected.
- FIG. 6 shows a transmission system 200 according to the embodiment of the present invention.
- the transmission system 200 includes a transmission device 210 connected to a plurality (three examples here) of wired transmission paths R1A, R2A, and R3A and a plurality (three examples here) of wired transmission paths R1B, R2B, and R3B.
- a wireless transmission path 280 serving as an inter-device transmission path that connects the transmission apparatus 210 and the transmission apparatus 290 to each other.
- Each wired transmission path is connected to a LAN device (not shown) such as a hub, a switching hub, a router, or a computer terminal.
- the transmission device 210 converts LAN data from network devices connected via the wired transmission paths R1A, R2A, and R3A into a wireless signal, outputs the wireless signal to the wireless transmission path 280, and transmits the wireless data to the transmission apparatus 290.
- the transmission apparatus 290 converts the wireless signal transmitted from the transmission apparatus 210 via the wireless transmission path 280 into LAN data, and outputs the LAN data to the corresponding wired transmission path among the wired transmission paths R1B, R2B, R3B. Send to a network device connected to the wired transmission path.
- the transmission device 290 converts LAN data from network devices connected via the wired transmission paths R1B, R2B, and R3B into a wireless signal, outputs the wireless signal to the wireless transmission path 280, and transmits the wireless data to the transmission apparatus 210.
- the transmission apparatus 210 converts the wireless signal transmitted from the transmission apparatus 290 via the wireless transmission path 280 into LAN data, and outputs the LAN data to the corresponding wired transmission path among the wired transmission paths R1A, R2A, R3A. Send to a network device connected to the wired transmission path.
- the transmission device 210 and the transmission device 290 detect a failure in the wired transmission path and the wireless transmission path 280 connected to the transmission device 210 and the transmission device 290. Notification of failure. Also, when a failure notification is received from the opposite transmission apparatus, the wired transmission path connected to itself is disconnected.
- the transmission device 210 and the transmission device 290 are transmission devices facing each other and have the same configuration.
- the transmission apparatus 210 and the transmission apparatus 290 will be described in detail with the transmission apparatus 210 as a representative.
- FIG. 7 is a diagram illustrating the transmission apparatus 210.
- the transmission apparatus 210 includes a LAN signal termination unit 220, a signal conversion unit 230, a signal reproduction unit 240, a counter device group information extraction unit 250, a counter device link disconnection information extraction unit 260, and a radio signal transmission / reception unit 270.
- the LAN signal termination unit 220 establishes a link in the data link layer with a network device connected to these wired transmission paths using LAN signals via the wired transmission paths R1A, R2A, and R3A.
- the LAN data DLS output from the network device is transmitted to the signal conversion unit 230 via a wired transmission path that is established with a network device (not shown).
- the usage state indicating “used” or “unused” can be arbitrarily set by the user, and the LAN signal termination unit 220 can be set for each wired transmission line.
- LAN port information LP indicating the “used” or “unused” state set by the user is output to the control unit 300.
- all the wired transmission paths (wired transmission paths R1A, R2A, R3A) on the transmission apparatus 210 side are set to “use”.
- the LAN signal termination unit 220 outputs failure information LS indicating that there is a failure to the control unit 300 for the wired transmission path in which the failure has occurred among the wired transmission paths R1A, R2A, and R3A.
- a failure has occurred in the wired transmission path means that the link with the network device connected to the wired transmission path is not established even though it is set to “use”
- the LAN data DLS received via the transmission line is abnormal data.
- the LAN signal termination unit 220 receives the LAN data DLR from the signal reproduction unit 240 and outputs it to the network device via the wired transmission path in which the link is established.
- the LAN signal termination unit 220 monitors a link disconnection control signal CTR, which will be described later, output from the control unit 300. While the link disconnection control signal CTR is detected, the LAN signal termination unit 220 transmits the wired transmission path indicated by the link disconnection control signal CTR. Disconnect. Note that disconnecting a wired transmission path means disconnecting a link with a network device connected to the wired transmission path.
- the signal conversion unit 230 multiplexes the LAN data DLS received from the LAN signal termination unit 220, the own device group information SR and the link disconnection information SRC from the control unit 300, generates transmission data DS, and generates a radio signal transmission / reception unit 270. Output to.
- the signal reproduction unit 240 extracts a LAN signal from the reception data DR transmitted by the transmission device 290 and received by the wireless signal transmission / reception unit 270, converts it into LAN data DLR, and outputs it to the LAN signal termination unit 220.
- the opposite device group information extraction unit 250 extracts the group information TR on the transmission device 290 side from the reception data DR and outputs the group information TR to the control unit 300.
- the group information TR on the transmission device 290 side is the own device group information SR for the transmission device 290, and hereinafter referred to as “opposite device group information” in order to distinguish it from the own device group information SR on the transmission device 210 side.
- the opposing device link disconnection information extraction unit 260 extracts the link disconnection information TRC on the transmission device 290 side from the reception data DR and outputs the link disconnection information TRC to the control unit 300.
- the link disconnection information TRC on the transmission apparatus 290 side is hereinafter referred to as “opposite apparatus link disconnection information”.
- the radio signal transmission / reception unit 270 converts the transmission data DS from the signal conversion unit 230 into a radio signal and outputs the radio signal to the transmission device 290 via the radio transmission path 280 and from the transmission device 290 via the radio transmission path 280.
- the received radio signal is output as received data DR to the signal reproducing unit 240, the opposing device group information extracting unit 250, and the opposing device link disconnection information extracting unit 260, respectively.
- the use state indicating “used” or “not used” of the wireless transmission path 280 can be arbitrarily set by the user, and the wireless signal transmission / reception unit 270 is set by the user for the wireless transmission path 280.
- the wireless port information MP indicating the “used” or “unused” state is generated and output to the control unit 300.
- the wireless transmission path is one of the wireless transmission paths 280, it is assumed that the wireless transmission path 280 is set to “use”.
- the radio signal transmission / reception unit 270 monitors the failure status of the radio transmission path 280, and generates a radio section failure information MS and outputs it to the control unit 300 when a failure occurs.
- a failure has occurred in the wireless transmission path 280 means that the wireless transmission path 280 has been disconnected, or that the wireless signal received from the wireless transmission path 280 is abnormal.
- the control unit 300 transmits the LAN port information LP and failure information LS from the LAN signal termination unit 220, the wireless port information MP and the wireless section failure information MS from the wireless signal transmission / reception unit 270, and the opposing device group from the opposing device group information extraction unit 250.
- the information TR is received from the opposite device link break information extraction unit 260, the own device group information SR and the link break information SRC in the signal conversion unit 230, and the link break control signal in the LAN signal termination unit 220. CTR is output. The user can make various settings, which will be described later, on the control unit 300.
- the control unit 300 will be described in detail with reference to FIG.
- the control unit 300 includes an own device group information holding unit 310, an inter-device group information holding unit 320, a link disconnection information transmitting unit 330, and a link control unit 340.
- the own device group information holding unit 310 receives the LAN port information LP and the wireless port information MP, and generates own device group information SR.
- the own device group information SR indicates a correspondence relationship between “used” wired transmission paths (here, R1A, R2A, and R3A) connected to the transmission apparatus 210 and the link group to which the wired transmission path belongs. is there.
- One link group includes at least one of the wired transmission paths R1A, R2A, and R3A and a wireless transmission path in use (in this case, the wireless transmission path 280). As described above, one wired transmission path may belong to a plurality of link groups.
- the own device group information can be arbitrarily set by the user, and the own device group information holding unit 310 generates the own device group information SR based on the LAN port information LP, the wireless port information MP, and the user setting. And is output to the link disconnection information transmission unit 330.
- the inter-device group information holding unit 320 receives the counter device group information TR from the counter device group information extracting unit 250 and refers to the own device group information SR held in the device group information holding unit 310 so as to inter-device group information SB. Generate and hold The inter-device group information SB indicates a correspondence relationship between each link group of the transmission device 210 indicated by the own device group information SR and each link group of the transmission device 290 indicated by the opposite device group information TR.
- the inter-apparatus group information holding unit 320 generates inter-apparatus group information SB according to user settings.
- the link disconnection information transmission unit 330 generates link disconnection information SRC indicating the failure of the wired transmission path in the “used” state on the transmission apparatus 210 side in units of groups, and outputs the link disconnection information SRC to the signal conversion unit 230.
- the link disconnection information SRC is output to the wireless transmission path 280 by the signal conversion unit 230 and the wireless signal transmission / reception unit 270 and transmitted to the transmission device 290.
- the link disconnection information transmission unit 330 generates the link disconnection information SRC according to the failure notification policy set by the user based on the failure information LS received from the LAN signal termination unit 220.
- the failure notification policy set by the user is, for example, “if there is a wired transmission path in which at least one failure has occurred in a certain link group, the failure information LS is generated for the link group” or “ The failure information LS is generated for the link group only when a failure occurs in all the wired transmission lines to which it belongs.
- the failure notification policy set by the user for the link disconnection information transmission unit 330 is “failure information LS for the link group only when a failure occurs in all the wired transmission lines belonging to a certain link group. ”Is generated”.
- the link disconnection information transmission unit 330 refers to the own device group information SR held in the own device group information holding unit 310, and transmits all wired transmissions belonging thereto. Check if there is a link group that has failed on the road. If there is such a link group, link disconnection information SRC is generated for the link group and output to the signal conversion unit 230. Otherwise, link disconnection information SRC is not generated and output.
- the link control unit 340 is configured so that when a failure occurs in any of the wired transmission paths R1A, R2A, and R3A, when a failure occurs in the wireless transmission path 280, and from the transmission apparatus 290 to the opposite apparatus link When the disconnection information TRC is received, the wired transmission path is disconnected.
- the link control unit 340 Disconnect the transmission line.
- the link control unit 340 disconnects all the wired transmission paths R1A, R2A, and R3A.
- the own device group information SR held in the own device group information holding unit 310 and the inter device group information holding unit 320 are held.
- the inter-device group information SB all wired transmission lines included in the own device link group corresponding to the link group (link group on the transmission device 290 side) indicated by the opposing device link disconnection information TRC are disconnected. .
- FIG. 9 is a diagram for explaining a first operation example of the transmission system 200.
- a wired transmission path and a wireless transmission path surrounded by the same figure belong to the same link group.
- link groups indicated by the same graphic between the transmission apparatus 210 and the transmission apparatus 290 are corresponding link groups.
- a large “x” indicates that a failure has been detected in the transmission line
- a small “x” indicates a transmission line that has been disconnected according to the opposing device link disconnection information TRC. The same applies to the subsequent drawings.
- all the wired transmission paths R1A, R2A, and R3A on the transmission apparatus 210 side belong to the link group G1A, and the link group G1A includes the wired transmission paths R1A, R2A, R3A, and the wireless transmission path 280. It becomes. All wired transmission paths on the transmission device 290 side belong to the link group G1B, and the link group G1B includes wired transmission paths R1B, R2B, R3B, and a wireless transmission path 280.
- the link group G1A and the link group G1B are associated with each other.
- FIG. 10 shows a second operation example of the transmission system 200.
- the grouping of link groups in the transmission apparatus 210 and the transmission apparatus 290 and the correspondence relationship of link groups between the transmission apparatus 210 and the transmission apparatus 290 are the same as in the example shown in FIG.
- a failure is detected in all wired transmission paths (R1A, R2A, R3A) belonging to the link group G1A in the transmission apparatus 210. Therefore, the link break information SRC for the link group G1A is transmitted from the transmission apparatus 210 to the transmission apparatus 290.
- FIG. 11 shows a third operation example of the transmission system 200.
- the link group G1A has a wired transmission path R1A and a wireless transmission path 280, and the link group G2A is wired.
- the transmission line R2A and the wireless transmission line 280 are included, and the link group G3A includes the wired transmission line R3A and the wireless transmission line 280.
- the link group G1B has a wired transmission path R1B and a wireless transmission path 280
- the link group G2B is wireless with the wired transmission path R2B.
- the link group G3B includes a wired transmission path R3B and a wireless transmission path 280.
- the link group G1A and the link group G2B correspond, the link group G2A and the link group G1B correspond, and the link group G3A and the link group G3B correspond.
- the link disconnection information SRC for the link group G1A is transmitted from the transmission apparatus 210 to the transmission apparatus 290.
- FIG. 12 shows a fourth operation example of the transmission system 200.
- the grouping of link groups in the transmission apparatus 210 and the transmission apparatus 290 and the correspondence relationship of link groups between the transmission apparatus 210 and the transmission apparatus 290 are the same as in the example shown in FIG.
- a failure is detected in the wireless transmission path 280.
- the transmission apparatus 210 When the transmission apparatus 210 detects a failure in the wireless transmission path 280, the transmission apparatus 210 disconnects all the wired transmission paths belonging to the link group including the wireless transmission path 280 among the link groups on the transmission apparatus 210 side. In this example, since the wireless transmission path 280 is included in all link groups on the transmission apparatus 210 side, all wired transmission paths included in all these link groups (G1A, G2A, G3A), that is, all the transmission paths are included. The wired transmission lines R1A, R2A, R3A are disconnected.
- the transmission apparatus 290 detects a failure in the wireless transmission path 280, the transmission apparatus 290 disconnects all the wired transmission paths belonging to the link group including the wireless transmission path 280 among the link groups on the transmission apparatus 290 side. Also on the transmission device 290 side, since all the link groups include the wireless transmission path 280, all the wired transmission paths included in all these link groups (G1B, G2B, G3B), that is, all the wired transmission paths R1B. , R2B, R3B are cut.
- the transmission system 200 embodies the principle of the technology according to the present invention, and can obtain all the effects described in describing the principle of the technology according to the present invention.
- the transmission path between the transmission apparatuses is a wireless transmission path
- the transmission apparatus 210 and the transmission apparatus 290 are wireless transmission apparatuses.
- the technology according to the present invention is not limited to a system that uses a wireless transmission path as a part of the transmission path, such as the transmission system 200, and the transmission path between transmission apparatuses is any transmission path such as wired or wireless. Also good.
- the transmission device is not limited to a wireless transmission device, but may be an optical transmission device, an optical converter, a switching hub, a router, or the like.
- the method of dividing the link group and the failure notification policy are not limited to the examples given above, and can be arbitrarily set by the user without departing from the spirit of the present invention.
- the present invention relates to a failure notification, specifically, a failure notification in a system that transmits signals of a plurality of wired transmission paths connected to each transmission apparatus by a transmission apparatus connected via a transmission path between the transmission apparatuses. Can be applied to.
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Abstract
Description
例えば、対向の伝送装置からリンクグループ2Bについてのリンク断情報を受信すると、リンク制御部140は、まず、装置間グループ情報保持部120に保持された装置間グループ情報(図3)を参照して、リンクグループ2Bに対応する自装置リンクグループとしてリンクグループ1Aとリンクグループ2Aを抽出する。そして、自装置グループ情報保持部110に保持された自装置グループ情報を参照して、リンクグループ1Aとリンクグループ2Aに含まれる全ての有線伝送路R1、R2、R3を切断する。また、例えば、対向の伝送装置からのリンク断情報がリンクグループ1Bについてのものである場合には、リンク制御部140は、リンクグループ1Bに対応するリンクグループ1Aに含まれる有線伝送路R1とR2を切断する。
制御部300は、自装置グループ情報保持部310、装置間グループ情報保持部320、リンク断情報送信部330、リンク制御部340を有する。
図9は、伝送システム200の第1の運用例を説明するための図である。図9において、同一の伝送装置側において、同一の図形により囲まれた有線伝送路と無線伝送路は、同一のリンクグループに属する。また、伝送装置210と伝送装置290間で、同一の図形により示されるリンクグループ同士が、相対応するリンクグループである。また、大きな「×」は、当該伝送路に障害が検出されていることを示し、小さな「×」は、対向装置リンク断情報TRCに応じて切断された伝送路を示す。これらについて、後の各図面においても同様である。
図10は、伝送システム200の第2の運用例を示す。この運用例では、伝送装置210と伝送装置290におけるリンクグループのグループ分けや、伝送装置210と伝送装置290間のリンクグループの対応関係は、図9に示す例と同様である。図10に示すように、この例では、伝送装置210におけるリンクグループG1Aに属する全ての有線伝送路(R1A、R2A、R3A)に障害が検出されている。そのため、伝送装置210から伝送装置290に、リンクグループG1Aについてのリンク断情報SRCが送信される。
図11は、伝送システム200の第3の運用例を示す。図示のように、伝送装置210側において、3つのリンクグループ(G1A、G2A、G3A)が存在し、リンクグループG1Aは有線伝送路R1Aと無線伝送路280を有してなり、リンクグループG2Aは有線伝送路R2Aと無線伝送路280を有してなり、リンクグループG3Aは有線伝送路R3Aと無線伝送路280を有してなる。伝送装置290側において、3つのリンクグループ(G1B、G2B、G3B)が存在し、リンクグループG1Bは有線伝送路R1Bと無線伝送路280を有してなり、リンクグループG2Bは有線伝送路R2Bと無線伝送路280を有してなり、リンクグループG3Bは有線伝送路R3Bと無線伝送路280を有してなる。
図12は、伝送システム200の第4の運用例を示す。この運用例では、伝送装置210と伝送装置290におけるリンクグループのグループ分けや、伝送装置210と伝送装置290間のリンクグループの対応関係は、図11に示す例と同様である。図12に示すように、この例では、無線伝送路280に障害が検出されている。
120 装置間グループ情報保持部 130 リンク断情報送信部
140 リンク制御部 200 伝送システム
210 伝送装置 220 LAN信号終端部
230 信号変換部 240 信号再生部
250 対向装置グループ情報抽出部 260 対向装置リンク断情報抽出部
270 無線信号送受信部 280 無線伝送路
290 伝送装置 300 制御部
310 自装置グループ情報保持部 320 装置間グループ情報保持部
330 リンク断情報送信部 340 リンク制御部
CTR リンク断制御信号 DLS LANデータ
DLR LANデータ DR 受信データ
DS 送信データ LP LANポート情報
LS 障害情報 MP 無線ポート情報
MS 無線区間障害情報 SB 装置間グループ情報
SR 自装置グループ情報 SRC リンク断情報
TR 対向装置グループ情報 TRC 対向装置リンク断情報
Claims (17)
- 伝送装置間伝送路を介して対向接続された1対の伝送装置により、各前記伝送装置に接続された複数の有線伝送路の信号を伝送するシステムにおける前記伝送装置であって、
該伝送装置に接続された各前記有線伝送路と、該有線伝送路が属するリンクグループとの対応関係を示す自装置グループ情報を保持する自装置グループ情報保持手段であって、1つの前記リンクグループが、該伝送装置に接続された1つ以上の有線伝送回路と、前記伝送装置間伝送路とを有してなる前記自装置グループ情報保持手段と、
該伝送装置の各前記リンクグループと、該伝送装置と対向接続された伝送装置の各前記リンクグループとの対応関係を示す装置間グループ情報を保持する装置間グループ情報保持手段と、
前記自装置グループ情報を参照して、該伝送装置のいずれかの前記リンクグループに属する1つまたは複数の前記有線伝送路の障害が検出された際に、該リンクグループの障害を示すリンク断情報を、前記伝送装置間伝送路を介して、該伝送装置と対向接続された伝送装置に送信するリンク断情報送信手段と、
該伝送装置に接続されたいずれかの前記有線伝送路の障害が検出された際に、該有線伝送路を切断し、
前記伝送装置間伝送路の障害が検出された際に、該伝送装置に接続された全ての前記有線伝送路を切断し、
前記伝送装置間伝送路を介して、該伝送装置と対向接続された伝送装置のいずれかのリンクグループの障害を示す前記リンク断情報を受信した際に、前記装置間グループ情報と前記自装置グループ情報とを参照して、該伝送装置におけるリンクグループのうちの、受信した前記リンク断情報が示すリンクグループに対応するリンクグループに含まれる各前記有線伝送路を切断するリンク制御手段とを備えることを特徴とする伝送装置。 - 前記伝送装置間伝送路は、無線伝送路であることを特徴とする請求項1に記載の伝送装置。
- 該伝送装置に接続された複数の有線伝送路は、ユーザにより任意に「使用」または「未使用」の設定が可能であり、
前記自装置グループ情報保持手段と、前記装置間グループ情報保持手段と、前記リンク断情報送信手段と、前記リンク制御手段とは、「使用」に設定された前記有線伝送路のみを対象とすることを特徴とする請求項1または2に記載の伝送装置。 - 伝送装置間伝送路と、該伝送装置間伝送路を介して対向接続された1対の伝送装置とを有し、該1対の伝送装置により、各前記伝送装置に接続された複数の有線伝送路の信号を伝送する伝送システムであって、
前記伝送装置は、
該伝送装置に接続された各前記有線伝送路と、該有線伝送路が属するリンクグループとの対応関係を示す自装置グループ情報を保持する自装置グループ情報保持手段であって、1つの前記リンクグループが、該伝送装置に接続された1つ以上の有線伝送回路と、前記伝送装置間伝送路とを有してなる前記自装置グループ情報保持手段と、
該伝送装置の各前記リンクグループと、該伝送装置と対向接続された伝送装置の各前記リンクグループとの対応関係を示す装置間グループ情報を保持する装置間グループ情報保持手段と、
前記自装置グループ情報を参照して、該伝送装置のいずれかの前記リンクグループに属する1つまたは複数の前記有線伝送路の障害が検出された際に、該リンクグループの障害を示すリンク断情報を、前記伝送装置間伝送路を介して、該伝送装置と対向接続された伝送装置に送信するリンク断情報送信手段と、
該伝送装置に接続されたいずれかの前記有線伝送路の障害が検出された際に、該有線伝送路を切断し、
前記伝送装置間伝送路の障害が検出された際に、該伝送装置に接続された全ての前記有線伝送路を切断し、
前記伝送装置間伝送路を介して、該伝送装置と対向接続された伝送装置のいずれかのリンクグループの障害を示す前記リンク断情報を受信した際に、前記装置間グループ情報と前記自装置グループ情報とを参照して、該伝送装置におけるリンクグループのうちの、受信した前記リンク断情報が示すリンクグループに対応するリンクグループに含まれる各前記有線伝送路を切断するリンク制御手段とを備えることを特徴とする伝送システム。 - 前記伝送装置間伝送路は、無線伝送路であることを特徴とする請求項4に記載の伝送システム。
- 前記伝送装置に接続された複数の有線伝送路は、ユーザにより任意に「使用」または「未使用」の設定が可能であり、
前記自装置グループ情報保持手段と、前記装置間グループ情報保持手段と、前記リンク断情報送信手段と、前記リンク制御手段とは、「使用」に設定された前記有線伝送路のみを対象とすることを特徴とする請求項4または5に記載の伝送システム。 - 伝送装置間伝送路を介して対向接続された1対の伝送装置が各前記伝送装置に接続された複数の有線伝送路の信号を伝送するシステムにおける前記伝送装置による障害通知方法において、
該伝送装置に接続された各前記有線伝送路と、該有線伝送路が属するリンクグループとの対応関係を示す自装置グループ情報を保持し、
1つの前記リンクグループが、該伝送装置に接続された1つ以上の有線伝送回路と、前記伝送装置間伝送路とを有してなり、
該伝送装置の各前記リンクグループと、該伝送装置と対向接続された伝送装置の各前記リンクグループとの対応関係を示す装置間グループ情報を保持し、
前記自装置グループ情報を参照して、該伝送装置のいずれかの前記リンクグループに属する1つまたは複数の前記有線伝送路の障害が検出された際に、該リンクグループの障害を示すリンク断情報を、前記伝送装置間伝送路を介して、該伝送装置と対向接続された伝送装置に送信し、
該伝送装置に接続されたいずれかの前記有線伝送路の障害が検出された際に、該有線伝送路を切断し、
前記伝送装置間伝送路の障害が検出された際に、該伝送装置に接続された全ての前記有線伝送路を切断し、
前記伝送装置間伝送路を介して、該伝送装置と対向接続された伝送装置のいずれかのリンクグループの障害を示す前記リンク断情報を受信した際に、前記装置間グループ情報と前記自装置グループ情報とを参照して、該伝送装置におけるリンクグループのうちの、受信した前記リンク断情報が示すリンクグループに対応するリンクグループに含まれる各前記有線伝送路を切断することを特徴とする障害通知方法。 - 複数の有線伝送路および無線伝送路のそれぞれと接続する伝送装置であって、
前記複数の有線伝送路の少なくとも1つと無線伝送路とで構成されるグループを示すグループ情報を保持するグループ情報保持手段と、
前記複数の有線伝送路のいずれかで障害が検出された場合に、前記グループ情報を参照して、前記無線伝送路に障害情報を出力する障害情報出力手段と
を備える
ことを特徴とする伝送装置。 - 前記障害情報出力手段は、前記グループ情報により、同じグループに属する有線伝送路の一部だけに障害が検出された場合は、前記無線伝送路に前記障害情報を出力せず、
前記グループに属する有線伝送路の全てに障害が検出された場合は、前記無線伝送路に前記障害情報を出力する
ことを特徴とする請求項8に記載の伝送装置。 - 前記グループ情報保持手段は、前記グループと、自装置と前記無線伝送路を介して対向する他の伝送装置のグループとの対応関係を示す装置間グループ情報を保持する
ことを特徴とする請求項8または9に記載の伝送装置。 - 前記伝送装置が前記無線伝送路から障害情報を受信した場合、前記装置間グループ情報を参照して、前記障害情報で示される前記他の伝送装置のグループと対応関係にある自装置のグループに属する有線伝送路を切断するリンク制御手段をさらに備えることを特徴とする請求項10に記載の伝送装置。
- 前記リンク制御手段は、前記自装置のグループに属する全ての有線伝送路を切断することを特徴とする請求項11に記載の伝送装置。
- 複数の有線伝送路および無線伝送路のそれぞれと接続する伝送装置に用いられる通信方法であって、
前記複数の有線伝送路の少なくとも1つと無線伝送路とで構成されるグループを示すグループ情報を保持し、
前記複数の有線伝送路のいずれかで障害が検出された場合に、前記グループ情報を参照して、前記無線伝送路に障害情報を出力する
ことを特徴とする通信方法。 - 前記グループ情報により、同じグループに属する有線伝送路の一部だけに障害が検出された場合は、前記無線伝送路に前記障害情報を出力せず、
前記グループに属する有線伝送路の全てに障害が検出された場合は、前記無線伝送路に前記障害情報を出力する
ことを特徴とする請求項13に記載の通信方法。 - さらに、前記グループと、自装置と前記無線伝送路を介して対向する他の伝送装置のグループとの対応関係を示す装置間グループ情報を保持する
ことを特徴とする請求項13または14に記載の通信方法。 - 前記伝送装置が前記無線伝送路から障害情報を受信した場合、前記装置間グループ情報を参照して、前記障害情報で示される前記他の伝送装置のグループと対応関係にある自装置のグループに属する有線伝送路を切断することを特徴とする請求項15に記載の通信方法。
- 前記自装置のグループに属する全ての有線伝送路を切断することを特徴とする請求項16に記載の通信方法。
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JP2012540690A JP5440713B2 (ja) | 2010-10-28 | 2011-10-28 | 伝送装置および伝送システム並びに障害通知方法 |
US13/822,195 US9032242B2 (en) | 2010-10-28 | 2011-10-28 | Transmission device, transmission system, and fault notification method |
CN201180045457.9A CN103125099B (zh) | 2010-10-28 | 2011-10-28 | 传输设备、传输系统和故障通知方法 |
EP11835855.5A EP2634976A4 (en) | 2010-10-28 | 2011-10-28 | TRANSMISSION DEVICE, TRANSMISSION SYSTEM, AND FAILURE NOTIFICATION METHOD |
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EP (1) | EP2634976A4 (ja) |
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RU2577782C2 (ru) * | 2011-11-11 | 2016-03-20 | Нек Корпорейшн | Беспроводное передающее устройство, способ пересылки информации отказа и способ уведомления информации отказа |
CN108900488B (zh) * | 2018-06-21 | 2021-02-26 | 杭州安恒信息技术股份有限公司 | 一种物联网场景下去中心化的异常终端发现方法及装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1013436A (ja) | 1996-06-26 | 1998-01-16 | Oki Electric Ind Co Ltd | 監視情報通知方法及び多重化装置 |
JP2005217565A (ja) * | 2004-01-28 | 2005-08-11 | Nec Corp | 無線伝送装置 |
JP2006067239A (ja) | 2004-08-26 | 2006-03-09 | Nec Corp | 伝送装置、その障害通知方法および伝送システム |
JP2006115034A (ja) * | 2004-10-13 | 2006-04-27 | Nec Corp | 無線伝送システム、無線伝送装置及びそれに用いる無線伝送方法 |
JP2006325002A (ja) * | 2005-05-19 | 2006-11-30 | Fujitsu Ltd | リンクダウン転送方式 |
JP2010242092A (ja) | 1997-12-23 | 2010-10-28 | Dupont Teijin Films Us Lp | ポリマーを含むホスホン酸基のコーティング層を有する重合フィルム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002026909A (ja) * | 2000-07-11 | 2002-01-25 | Hitachi Ltd | 回線多重化方法及び情報中継装置 |
US6853887B1 (en) * | 2003-09-15 | 2005-02-08 | General Motors Corporation | Wireless backup communication link for vehicle control |
CN101459549B (zh) * | 2007-12-14 | 2011-09-21 | 华为技术有限公司 | 链路故障处理方法及数据转发装置 |
CN101640617B (zh) * | 2008-07-30 | 2013-08-28 | 华为技术有限公司 | 一种检测和定位网络故障的方法、系统及装置 |
CN101511100B (zh) * | 2009-01-16 | 2012-07-04 | 华为技术有限公司 | 一种链路检测的方法、装置和系统 |
-
2011
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1013436A (ja) | 1996-06-26 | 1998-01-16 | Oki Electric Ind Co Ltd | 監視情報通知方法及び多重化装置 |
JP2010242092A (ja) | 1997-12-23 | 2010-10-28 | Dupont Teijin Films Us Lp | ポリマーを含むホスホン酸基のコーティング層を有する重合フィルム |
JP2005217565A (ja) * | 2004-01-28 | 2005-08-11 | Nec Corp | 無線伝送装置 |
JP2006067239A (ja) | 2004-08-26 | 2006-03-09 | Nec Corp | 伝送装置、その障害通知方法および伝送システム |
JP2006115034A (ja) * | 2004-10-13 | 2006-04-27 | Nec Corp | 無線伝送システム、無線伝送装置及びそれに用いる無線伝送方法 |
JP2006325002A (ja) * | 2005-05-19 | 2006-11-30 | Fujitsu Ltd | リンクダウン転送方式 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2634976A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10461995B2 (en) | 2015-07-14 | 2019-10-29 | Nec Corporation | Wireless transmission device, fault notification method, and program |
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US20130173969A1 (en) | 2013-07-04 |
EP2634976A4 (en) | 2016-11-30 |
EP2634976A1 (en) | 2013-09-04 |
JPWO2012056711A1 (ja) | 2014-03-20 |
CN103125099A (zh) | 2013-05-29 |
JP5440713B2 (ja) | 2014-03-12 |
CN103125099B (zh) | 2016-03-16 |
US9032242B2 (en) | 2015-05-12 |
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