WO2017000542A1 - Procédé et appareil de configuration oam pour une monocarte de service - Google Patents

Procédé et appareil de configuration oam pour une monocarte de service Download PDF

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Publication number
WO2017000542A1
WO2017000542A1 PCT/CN2016/070435 CN2016070435W WO2017000542A1 WO 2017000542 A1 WO2017000542 A1 WO 2017000542A1 CN 2016070435 W CN2016070435 W CN 2016070435W WO 2017000542 A1 WO2017000542 A1 WO 2017000542A1
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WO
WIPO (PCT)
Prior art keywords
board
service
oam
proxy
service board
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PCT/CN2016/070435
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English (en)
Chinese (zh)
Inventor
郭宇
钱玉多
孟义勇
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中兴通讯股份有限公司
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Publication of WO2017000542A1 publication Critical patent/WO2017000542A1/fr

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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

Definitions

  • the present invention relates to the field of communications, and in particular to a method and an apparatus for configuring an operation, administration, and maintenance (OAM) of a service board.
  • OAM operation, administration, and maintenance
  • the OAM technology in the communication device is a conventional technical means for network element management. As the networking expands and the traffic increases, the number of OAM entries configured on the project increases significantly, and the Field Programmable Gate Array (SVM) The resources of the service board are fixed. If the OAM configuration of all the services is effective, the OAM configuration of the service board is considered to be insufficient. In this case, the OAM configuration of the service board is considered to be excessive. The consequence of the OAM configuration exceeding the standard is that the reliability of the protection capability of all services is significantly degraded, affecting the network protection function. It is a common practice to set the OAM configuration limit for each service board. However, if multiple services need to be temporarily enabled, you cannot add a board to the service that exceeds the OAM configuration. Modules are connected to the fiber to increase the service channel), and changing the resource limit of the board is not feasible.
  • SVM Field Programmable Gate Array
  • the present invention provides a method and an apparatus for configuring an OAM of a service board to solve at least the problem of insufficient resource allocation of the service board in the related art.
  • an OAM configuration method for an operation management and maintenance of a service board including: detecting a service on a service board; and configuring an OAM of the service on an OAM proxy board configured for the service board. Configuration information.
  • the method before configuring the OAM configuration information of the service on the OAM proxy board configured for the service board, the method further includes: recording the proxy board information of the OAM proxy board in the network element database, and proxying the proxy board.
  • the information is synchronized to the service board.
  • the agent board information includes at least one of the following: the slot of the service board of the proxy, the service identifier of the proxy, the number of OAM configurations of the proxy, the type of OAM configuration, and the number of OAM configurations that can be proxyed.
  • the default threshold is the service card.
  • the method further includes: when deleting the service on the service board, searching for the OAM proxy board corresponding to the service board according to the agent board information in the network element database, and the OAM corresponding to the service board Delete the OAM configuration information of the service on the agent board.
  • the configuration of the OAM configuration information of the service on the OAM proxy board configured for the service board includes: determining whether the number of OAM configurations on the service board exceeds a predetermined threshold; if the number of OAM configurations exceeds a predetermined threshold, The OAM configuration information of the service is moved to the OAM proxy board.
  • the method further includes: receiving the service board and the OAM proxy board when the link between the OAM proxy board and the service board is abnormal. Information about link anomalies.
  • the method further includes: forwarding, according to the agent board information of the service board synchronization, the OAM detection packet sent by the peer service board of the service board to the OAM proxy board of the service board, or The OAM detection packet sent by the OAM proxy board of the service board is forwarded to the peer service board of the service board.
  • the OAM proxy board of the service board does not receive a consecutive number of OAM detection packets, or the service board. If the peer service board does not receive a consecutive number of OAM detection packets, and the link between the service board and the OAM agent board of the service board is normal, the service board and the service board are in the opposite direction. The working channel between the boards is switched to the protection channel.
  • an OAM configuration apparatus for operation management and maintenance of a service board, including: a detection module, configured to detect that a service is created on a service board; and a configuration module, configured to be in a service order Configure the OAM configuration information of the service on the OAM proxy board of the board.
  • the device further includes: a record synchronization module, configured to record the agent board information of the OAM agent board in the network element database before configuring the OAM configuration information of the service on the OAM agent board configured for the service board And the proxy board information is synchronized to the service board, where the proxy board information includes at least one of the following: a slot of the service card of the proxy, a service identifier of the proxy, an OAM configuration number of the proxy, an OAM configuration type, and Whether the default threshold of the number of OAM configurations is the service card.
  • the device further includes: a query module, configured to: when the service is deleted on the service card, search for the OAM proxy board corresponding to the service board according to the proxy information in the network element database; After the OAM proxy board is found in the query module, the OAM configuration information of the service is deleted on the OAM proxy board.
  • a query module configured to: when the service is deleted on the service card, search for the OAM proxy board corresponding to the service board according to the proxy information in the network element database; After the OAM proxy board is found in the query module, the OAM configuration information of the service is deleted on the OAM proxy board.
  • the configuration module includes: a determining unit, configured to determine whether the number of OAM configurations on the service board exceeds a predetermined threshold; and the configuration unit is configured to configure the OAM of the service if the number of OAM configurations exceeds a predetermined threshold. The information is moved to the OAM agent board.
  • the device further includes: a receiving unit, configured to: after the OAM configuration information of the service is moved to the OAM proxy board, receive a service order when the link between the OAM proxy board and the service board is abnormal. Information about link anomalies between the board and the OAM agent board.
  • the device further includes: a forwarding module, configured to forward the OAM detection packet sent by the peer service board of the service card to the OAM of the service board according to the proxy information of the service board synchronization
  • the agent board, or the OAM detection packet sent by the OAM proxy board of the service board is forwarded to the peer service board of the service board; the switching module is set to not receive a consecutive predetermined number of OAM agent boards on the service board. If the link between the service board and the OAM agent board of the service board is normal, the OAM detection packet, or the peer service board of the service board, does not receive a continuous number of OAM detection packets.
  • the working channel between the board and the peer service board of the service board is switched to the protection channel.
  • the OAM configuration information of the service is configured on the OAM proxy board configured on the service board, that is, when the service is created on the service board, the OAM proxy board is introduced.
  • the OAM configuration information of the service is configured on the OAM proxy board of the service board, which solves the problem of insufficient resources of the OAM configuration of the service board and improves the reliability of the network.
  • FIG. 1 is a flowchart of an OAM configuration method of a service board according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram 1 of an operation management and maintenance OAM configuration apparatus of a service board according to an embodiment of the present invention
  • FIG. 3 is a structural block diagram 2 of an OAM configuration apparatus for operation management and maintenance of a service board according to an embodiment of the present invention
  • FIG. 4 is a structural block diagram 3 of an operation management and maintenance OAM configuration apparatus of a service board according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram 4 of an OAM configuration apparatus for operation management and maintenance of a service board according to an embodiment of the present invention
  • FIG. 6 is a structural block diagram 5 of an operation management and maintenance OAM configuration apparatus of a service board according to an embodiment of the present invention
  • FIG. 7 is a structural block diagram 6 of an OAM configuration apparatus for operation management and maintenance of a service board according to an embodiment of the present invention
  • FIG. 8 is a schematic diagram of a list of network element boards according to a preferred embodiment of the present invention.
  • FIG. 9 is a schematic diagram of enabled and disabled OAM agent board information recorded by a network element database in accordance with a preferred embodiment of the present invention.
  • FIG. 10 is a schematic diagram of an OAM reconfiguration recording module of a service board A according to a preferred embodiment of the present invention.
  • FIG. 11 is a schematic diagram of detecting link connectivity according to a preferred embodiment of the present invention.
  • FIG. 12 is a schematic diagram of link detection between a peer board and an OAM proxy board of a service board A according to a preferred embodiment of the present invention
  • FIG. 13 is a schematic flowchart of a network management service a according to a preferred embodiment of the present invention.
  • FIG. 14 is a schematic flowchart of a network management deletion service a according to a preferred embodiment of the present invention.
  • 15 is a schematic diagram of a link detection channel between a service board and an OAM proxy board according to a preferred embodiment of the present invention.
  • FIG. 16 is a flow chart showing an alarm decision of OAM_a configured on an OAM proxy board M according to a preferred embodiment of the present invention
  • FIG. 1 is a flowchart of a method for configuring an OAM of a service board according to an embodiment of the present invention. As shown in FIG. 1 , the process includes the following steps:
  • Step S102 detecting that a service is created on the service board
  • Step S104 Configure OAM configuration information of the service on the OAM proxy board configured for the service board.
  • the OAM proxy information is configured on the service board.
  • the OAM proxy board is introduced.
  • the OAM configuration information of the service is configured on the OAM proxy board of the service board, which solves the problem of insufficient resources of the OAM configuration of the service board and improves the reliability of the network.
  • the method before configuring the OAM configuration information of the service on the OAM proxy board configured for the service board, the method further includes: recording the proxy board information of the OAM proxy board in the network element database, and proxying the proxy board.
  • the information is synchronized to the service board.
  • the agent board information includes at least one of the following: the slot of the service board of the proxy, the service identifier of the proxy, the number of OAM configurations of the proxy, the type of OAM configuration, and the number of OAM configurations that can be proxyed.
  • the default threshold is the service card.
  • the agent board information is recorded in the network element database, when the service is created on the service board, the OAM agent board corresponding to the service board can be found, and the OAM configuration information of the service is configured on the OAM agent board.
  • the OAM configuration on the service board is prevented from exceeding the standard.
  • the OAM proxy board corresponding to the service board can be found according to the proxy information in the network element database, and the OAM proxy board corresponding to the service board is used. Delete the OAM configuration information of the service.
  • the information of the OAM agent board that has not been used is also recorded in the network element database, including the proxy card slot and the proxyable service ID (since the service ID can uniquely identify a certain service, the service flow is The information about the inbound and outbound ports on the service card can be uniquely determined.
  • the step S104 may include: determining whether the number of OAM configurations on the service board exceeds a predetermined threshold; if the number of OAM configurations exceeds a predetermined threshold, moving the OAM configuration information of the service to the OAM proxy board. That is, when the number of related OAMs reaches the upper limit of the resources that can be provided by the service board, the OAM configuration that exceeds the standard is configured on the OAM proxy board that is customized by the NMS, which solves the problem that the OAM configuration resources of the service board are insufficient.
  • the purpose of preventing the OAM configuration of the service board from exceeding the standard is to ensure the reliability of the network while expanding the traffic.
  • the method further includes: When the link between the OAM proxy board and the service board is abnormal, the information about the link abnormality between the service board and the OAM proxy board is received.
  • whether the link is abnormal may be detected by using an OAM message, or may be detected by a dedicated device, but is not limited thereto.
  • the method further includes: forwarding, according to the agent board information of the service board synchronization, the OAM detection packet sent by the peer service board of the service board to the OAM proxy board of the service board, or The OAM detection packet sent by the OAM proxy board of the service board is forwarded to the peer service board of the service board.
  • the OAM proxy board of the service board does not receive a consecutive number of OAM detection packets, or the service board. If the peer service board does not receive a consecutive number of OAM detection packets, and the link between the service board and the OAM agent board of the service board is normal, the service board and the service board are in the opposite direction.
  • the working channel between the boards is switched to the protection channel.
  • the connectivity between the two ends is detected by sending OAM detection packets between the OAM proxy card and the peer service card of the service card. In this abnormal connection, the working channel can be switched to The protection channel implements protection for the links at both ends.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • an OAM configuration device for the operation and maintenance of the service board.
  • the device is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 2 is a structural block diagram 1 of an operation management and maintenance OAM configuration apparatus of a service board according to an embodiment of the present invention. As shown in FIG. 2, the apparatus includes:
  • the detecting module 22 is configured to detect that a service is created on the service board.
  • the configuration module 24 is configured to configure OAM configuration information of the service on the OAM proxy board configured for the service board.
  • the OAM configuration information of the service is configured on the OAM proxy board configured on the service board.
  • the OAM proxy board is used.
  • the OAM configuration information of the service is configured on the OAM proxy board of the service board, which solves the problem of insufficient resources of the OAM configuration of the service board and improves the reliability of the network.
  • the apparatus includes: a recording synchronization module 32 in addition to all the modules shown in FIG.
  • the agent board information of the OAM agent board is recorded in the network element database, and the agent board information is synchronized to the service board, where the OAM configuration information of the service is configured on the OAM agent board configured for the service board.
  • the agent board information includes at least the following A: The slot of the service card, the service ID of the proxy, the number of OAM configurations, the OAM configuration type, the preset threshold of the number of OAMs that can be proxyed, and whether it is a service board.
  • the information of the OAM agent board that has not been used is also recorded in the network element database, including the proxy card slot and the proxyable service ID (since the service ID can uniquely identify a certain service, the service flow is The information about the inbound and outbound ports on the service card can be uniquely determined.
  • the agent board information is recorded in the network element database, when the service is created on the service board, the OAM agent board corresponding to the service board can be found, and the OAM configuration information of the service is configured on the OAM agent board.
  • the OAM configuration on the service board is prevented from exceeding the standard.
  • FIG. 4 is a structural block diagram 3 of an operation management and maintenance OAM configuration apparatus of a service board according to an embodiment of the present invention. As shown in FIG. 4, the apparatus further includes:
  • the querying module 42 is configured to: when the service is deleted on the service board, search for the OAM proxy board corresponding to the service board according to the proxy information in the network element database;
  • the deleting module 44 is configured to delete the OAM configuration information of the service on the OAM proxy board after the query module finds the OAM proxy board.
  • the configuration module 24 includes: a determining unit 52, configured to determine the number of OAM configurations on the service board. Whether the predetermined threshold is exceeded; the configuration unit 54 is configured to move the OAM configuration information of the service to the OAM proxy board if the number of OAM configurations exceeds a predetermined threshold. That is, when the number of related OAMs reaches the upper limit of the resources that can be provided by the service board, the OAM configuration that exceeds the standard is configured on the OAM proxy board that is customized by the NMS, which solves the problem that the OAM configuration resources of the service board are insufficient.
  • the purpose of preventing the OAM configuration of the service board from exceeding the standard is to ensure the reliability of the network while expanding the traffic.
  • FIG. 6 is a structural block diagram 5 of an operation management and maintenance OAM configuration apparatus of a service board according to an embodiment of the present invention.
  • the apparatus further includes: a receiving unit 62 configured to move OAM configuration information of the service to the OAM.
  • a receiving unit 62 configured to move OAM configuration information of the service to the OAM.
  • whether the link is abnormal may be detected by using an OAM message, or may be detected by a dedicated device, but is not limited thereto.
  • FIG. 7 is a structural block diagram 6 of an operation management and maintenance OAM configuration apparatus of a service board according to an embodiment of the present invention. As shown in FIG. 7, the apparatus further includes:
  • the forwarding module 72 is configured to forward the OAM detection packet sent by the peer service board of the service board to the OAM proxy board of the service board according to the agent board information of the service board synchronization, or the OAM proxy of the service board.
  • the OAM detection packet sent by the board is forwarded to the peer service board of the service board.
  • the switching module 74 is configured to receive a continuous predetermined number of OAM detection messages on the OAM proxy board of the service board, or the peer service board of the service board does not receive a continuous predetermined number of OAM detection messages, and the service If the link between the board and the OAM agent board of the service board is normal, the working channel between the service board and the peer service board of the service board is switched to the protection channel.
  • the connectivity between the two ends is detected by sending OAM detection packets between the OAM proxy card and the peer service card of the service card.
  • the working channel can be switched to
  • the protection channel implements protection for the links at both ends.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.
  • An embodiment of the present invention provides a preferred OAM configuration method for a service board, where the method includes:
  • a link detection alarm module is set up between the service board and the OAM proxy board to detect the chain of the OAM packet from the OAM proxy board to the service board. Whether the road is normal or not;
  • the OAM reconfiguration record module records the The OAM proxy information (including the relevant port information of the service) is forwarded to the OAM proxy board of the local network element or the protection decision module of the peer service board.
  • An embodiment of the present invention further provides an OAM configuration method of another preferred service board, where the method includes:
  • FIG. 8 is a list of the network element boards according to the preferred embodiment of the present invention.
  • the schematic diagram is as shown in FIG. 8; and Table 1 lists the OAM configuration proxy relationship table between the boards presented by the network management system, and the relationship is presented to the user through the network management system.
  • the selection criteria of the OAM proxy board are as follows: 1) The OAM proxy board can be any board (either the service board itself or the board itself has no service, and no service board itself is preferentially selected as the OAM proxy board). 2) If the board already has the corresponding OAM proxy board, it cannot be used as the OAM proxy board of other boards. 3) The number of OAMs currently configured on the board is small (single board FPGA and other resources are sufficient), 4) The board is rarely replaced;
  • Table 1 is the OAM proxy relationship table between the boards presented by the NMS
  • the NE database records the OAM agent board information, including which board slots are proxyed, which service IDs are delegated, the number of OAM configurations of the agents, the OAM configuration type of the agents, and the OAM that can be proxyed.
  • the number of the configuration is the same as that of the service card.
  • the database also needs to record the information of the OAM agent board that has not been used, including the card slot that can be proxyed, and the service ID that can be proxyed.
  • a service so the ingress and egress ports of the service flow on the service board can be uniquely determined, which will be used in step 6.)
  • the service board is also a service board, the information is synchronized to the board database.
  • the service board records the information in the OAM reconfiguration record module.
  • the module will include each service included in the service board.
  • the OAM configuration location is listed. If there is an OAM proxy board on the board, if there is an OAM proxy board, the OAM proxy board slot is listed.
  • Figure 10 shows the OAM reconfiguration record of the service board A. Module, as shown in Figure 10 , Assuming there are three services, which only have business-related OAM agent C board.
  • each service corresponds to an OAM configuration.
  • OAM configuration of the service board exceeds the standard, each OAM configuration is assigned to the OAM configuration record module.
  • Corresponding OAM proxy board until the upper limit of the number of proxyable OAM configurations is reached;
  • the network management deletes multiple services configured in the network, and configures the proxy information according to the used OAM recorded in the network element database, and deletes the OAM configuration on the corresponding proxy board.
  • an intra-network link detection alarm module is set up between the service board and the OAM proxy board. As shown in Figure 11, the OAM packet is detected from the OAM proxy board. Whether the link between service boards is normal.
  • the OAM reconfiguration record module After the service board receives the OAM information sent by the peer service board or the OAM information sent by the OAM proxy board (usually the connectivity check packet), the OAM reconfiguration record module records the OAM information. As shown in Figure 12, the OAM proxy information, which contains the relevant port information of the service, finds the forwarding path and forwards it to the OAM proxy board of the local NE or the protection decision module of the peer service board.
  • the embodiment of the present invention further provides an OAM configuration method of another preferred service board, where the scenario of the preferred embodiment is: an existing service board A, an OAM agent board M (assuming that the network management only sets M as each service).
  • the OAM agent board of the board is the service a of the board A.
  • the OAM configuration of the service A is OAM_a.
  • the upper limit of the number of OAM configurations supported by the service board A is k.
  • the upper limit of the number of OAM configurations allocated to the service board A supported by the proxy board M is k'.
  • the NMS delivers the service a configuration. If the operation is created, as shown in Figure 13, the system searches for the NE database. If the database records no MAM configuration information in the M board, the command is sent to On the A board, determine whether the current number of OAM configurations is k. If it is already k, create a service on the A board, but return the prompt “OAM configuration has not been created” to the M board.
  • OAM_a is configured on the M board.
  • port 1 and port 2 are direct ports between the A board and the M board respectively.
  • Layer 2 negotiation detection is started between the two ports to check A and M.
  • Link connectivity if there are multiple A-boards and the OAM configuration OAM_a, OAM_b, OAM_c, etc. of the peer service board are configured on the M board, the link connectivity detection between ports 1 and 2 is equivalent. If the link is abnormal, the link between A and M is reported as abnormal.
  • the OAM connectivity check packet is sent between the M board and the A board.
  • the OAM connectivity is generated if the protection decision module at any end does not receive three consecutive OAM connectivity check packets.
  • Alarm If the OAM_a connectivity alarm is generated on the M board (the M-layer protection decision module does not receive the connectivity check packets of the three consecutive OAM_a), it means that the OAM_a packet channel is abnormal. There is an alarm in the link connectivity. There are two cases: 1) If there is no link alarm between A and M, it is proved that the OAM_a alarm indirectly reflects the problem of the service a link, and the protection decision module triggers the pair.
  • the link protection alarm decision of service a (see step 4); 2) If there is a link alarm between A and M, it is proved that there is a problem between the inter-board links of the network element to which the A-board belongs, and the network element needs to be checked. Only the link between the boards in the network element, such as the link between A and M, has no alarm, which is the prerequisite for the normal operation of the network element. Otherwise, check the link of a certain service or make a protection link switch. Decisions are meaningless.
  • the OAM alarm decision is made on the M-board and transmitted by the M-board through the channel constructed by the fast packet forwarding chip in the network element to the A-board, and the A-board protection execution module Switch service a from the working channel to the protection channel, as shown in Figure 16.
  • the alarm is reported to the NMS, and the related OAM configuration of other board services that resides on the board is promptly changed or deleted.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • S2 Configure the OAM configuration information of the service on the OAM proxy board configured for the service board.
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the OAM configuration information of the service is configured on the OAM proxy board configured on the service board, that is, when the service is created on the service board.
  • the OAM proxy board is introduced, and the OAM configuration information of the service is configured on the OAM proxy board of the service board.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

L'invention concerne un procédé et un appareil de configuration OAM pour une monocarte de service. Le procédé consiste à : détecter un service créé sur une monocarte de service ; et configurer des informations de configuration OAM concernant le service sur une carte de mandataire OAM configurée pour la monocarte de service. La présente invention permet de résoudre le problème selon lequel une ressource de configuration OAM d'une monocarte de service est insuffisante, et d'améliorer la fiabilité de réseau.
PCT/CN2016/070435 2015-07-01 2016-01-07 Procédé et appareil de configuration oam pour une monocarte de service WO2017000542A1 (fr)

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CN201510379699.1A CN106330518A (zh) 2015-07-01 2015-07-01 业务单板的oam配置方法及装置

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CN114257504A (zh) * 2021-12-15 2022-03-29 烽火通信科技股份有限公司 业务场景切换方法及系统

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CN112087338B (zh) * 2020-09-14 2022-09-27 武汉虹信科技发展有限责任公司 一种控制消息传输方法及系统

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