WO2016124044A1 - 无源光网络设备告警信息处理方法及光线路终端 - Google Patents

无源光网络设备告警信息处理方法及光线路终端 Download PDF

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Publication number
WO2016124044A1
WO2016124044A1 PCT/CN2015/098090 CN2015098090W WO2016124044A1 WO 2016124044 A1 WO2016124044 A1 WO 2016124044A1 CN 2015098090 W CN2015098090 W CN 2015098090W WO 2016124044 A1 WO2016124044 A1 WO 2016124044A1
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Prior art keywords
alarm
record table
alarm information
information
new
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PCT/CN2015/098090
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English (en)
French (fr)
Inventor
余辰东
于金辉
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中兴通讯股份有限公司
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Publication of WO2016124044A1 publication Critical patent/WO2016124044A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems

Definitions

  • This application relates to, but is not limited to, the field of communications.
  • Passive Optical Network (PON) devices can be classified into Ethernet-based passive optical network equipment (EPON) and Gigabit passive optical network equipment (G-PON, Gigabit-) according to the working mechanism.
  • OLT optical line terminals
  • ONU optical network units
  • PoP point-to-point communication
  • the system consists of an network management server (EMS), an optical line terminal (OLT), an optical distribution network (ODN, optical distribution network), and multiple ONUs: the EMS system completes management and maintenance of the OLT/ONU under its jurisdiction, and the OLT acts as a central office.
  • the end device implements the service and the forwarding of the upper-layer device through the SNI (the service network side interface), and the multiple ONU devices are connected through the ODN network to control and manage the ONU service.
  • the ONU device completes the UNI (user network side interface). The final access of the user service, thereby implementing various functions of service transmission and configuration management, and forwarding the alarm and notification messages to the upper OLT device.
  • alarm management plays a very important role in the normal operation of network maintenance.
  • the communication device is faulty or abnormal due to environmental influences or other factors, in addition to the alarm generated by the communication device itself, it is also reported to the upper-layer docking device and the network management device in the form of an alarm.
  • an ONU device located on the user side detects a fault or an abnormality, an alarm is generated and the related alarm is reported to the OLT device.
  • the OLT device generates and maintains an alarm record table for receiving and storing the alarms detected by the OLT and the alarms reported by the ONU.
  • the alarms detected by the OLT itself include alarms generated by different modules of the device itself (including not limited to CPUs, switch modules, different types of service line cards, etc.) and different interfaces (including but It is not limited to alarms generated by PON interfaces, ONU interfaces, uplink interfaces, sensors, etc. All the alarms generated by all the OLTs, the interfaces, and the connected ONUs share the alarm record table generated by the OLT.
  • the OLT device dynamically maintains the alarm record table: when the corresponding module, interface, or ONU of the OLT device detects the fault or When an alarm is generated and an alarm is generated, the related alarm entries should be recorded in the alarm record table in the order of the alarm generation.
  • the alarm record table should be corresponding.
  • the alarm entry is deleted.
  • the alarm processing includes but is not limited to the following: adopting the overlay mode. If the alarm record is full, the new alarm will overwrite the original alarm. The oldest and recovered alarm will be lost in the alarm record. The discard mode is used. When the alarm record is full, the new alarm is directly throw away.)
  • the ONU equipment on the user side is affected by the engineering installation environment, the quality of the line peripherals, the user's usage habits, etc., which is more serious than the traditional communication equipment.
  • the stability of the ONU equipment is often lower than that of the OLT equipment, making the ONU itself more likely to be shorter.
  • a large number of frequent and frequent alarms are generated during the time.
  • the ONU's own state is unstable. As a result, a large number of alarms may be generated on the relevant ONU interfaces of the OLT. That is, there are two types of alarm problems in the xPON system:
  • This document provides a method for processing alarm information of passive optical network equipment and an optical line terminal, which solves the problem that a large number of alarms are lost due to a large number of important alarms or that the original unrecovered alarms are covered.
  • the embodiment of the invention provides a method for processing alarm information of a passive optical network device, including:
  • the optical line terminal obtains an exclusive network element list, creates an independent alarm record table for each member in the exclusive network element list, and creates a public alarm record table;
  • the optical line terminal After detecting the new alarm information, the optical line terminal determines that the new alarm information is from the member in the exclusive network element list, and stores the new alarm information in the independent alarm record table corresponding to the member; when determining the new alarm information When not from the member in the exclusive network element list, the new alarm information is stored in the public alarm record table.
  • the members in the exclusive network element list are important modules specified by the optical line terminal, the network management server, or the operation and maintenance system (including but not limited to the CPU, the exchange control module, the clock module, and the service). At least one of the line cards, at least one of an interface and an optical network unit.
  • the optical line terminal further includes an independent alarm record table for the new member when the new member joins in the exclusive network element list; and/or the optical line terminal is in the exclusive network.
  • the independent alarm record table created for the member is released; and/or the optical line terminal maintains the independent alarm record table of the member when the member in the exclusive network element list is offline.
  • the optical line terminal after the optical line terminal creates an independent alarm record table for each member in the exclusive network element list, the optical line terminal further includes an independent alarm record corresponding to each member according to the attribute of each member. How to use the table settings.
  • the usage manner includes any one of a fixed manner and a guaranteed manner
  • the fixed manner is that the alarm record table space can only be stored from the corresponding member after being allocated to the corresponding member.
  • Member alarm information
  • the guarantee mode is that after the alarm record table space is allocated to the corresponding member, the alarm information from the member is preferentially stored, and when the alarm record table space is idle, it can be shared for use by other members.
  • the optical line terminal further includes an alarm priority list, where the alarm priority list includes priority information of each alarm information;
  • the optical line terminal After detecting the new alarm information, if the alarm record table corresponding to the new alarm information is full, the optical line terminal further includes processing the new alarm information according to the alarm priority list.
  • the processing, by the optical line terminal, the new alarm information according to the alarm priority list includes:
  • the optical line terminal determines whether the priority information stored in the alarm record table has a lower priority than the new alarm information. If yes, the coverage priority is lower than the new alarm information, and the earliest generated one is generated.
  • the alarm information stores the new alarm information in the alarm record table;
  • the new alarm information is stored in the alarm record table;
  • the new alarm information is directly discarded.
  • the optical line terminal detects that the alarm is restored, the corresponding alarm information is deleted in the corresponding alarm record table.
  • An embodiment of the present invention further provides an optical line terminal, including a network element list obtaining module, an independent alarm record table creating module, a shared alarm record table creating module, and a processing module;
  • the network element list obtaining module is configured to: obtain an exclusive network element list
  • the independent alarm record table creation module is configured to: create an independent alarm record table for each member in the exclusive network element list;
  • the shared alarm record table creation module is configured to: create a public alarm record table
  • the processing module includes a detection submodule, a first judging submodule, and a storage submodule;
  • the detecting sub-module is configured to: detect new alarm information; the first determining sub-module is configured to: when the new alarm information is determined to be from a member in the exclusive network element list, notify the storage sub-module to send the new alarm
  • the information is stored in the independent alarm record table corresponding to the member; when it is determined that the new alarm information is not from the member in the exclusive network element list, the storage sub-module is notified to store the new alarm information in the public alarm record table. in.
  • the method further includes an attribute setting module, configured to: after the independent alarm record creation module creates an independent alarm record table for each member in the exclusive network element list, according to each The attributes of the members are set for the use of the independent alarm record table corresponding to each member.
  • the attribute setting module includes any one of a fixed mode setting submodule and a guarantee mode setting submodule;
  • the fixed mode setting sub-module is configured to: after the alarm record table space is allocated to the corresponding member, only the alarm information from the member can be stored;
  • the guarantee mode setting sub-module is configured to: after the alarm record table space is allocated to the corresponding member, the alarm information from the member is preferentially stored, and when the alarm record table space is idle, it can be shared for use by other members.
  • the method further includes an alarm priority list obtaining module, where the processing module further includes a priority processing sub-module;
  • the alarm priority list obtaining module is configured to: obtain an alarm priority list, where the alarm priority list includes priority information of each alarm information;
  • the priority processing sub-module is configured to process the new alarm information according to the alarm priority list if the alarm record table corresponding to the new alarm information is full.
  • the priority processing sub-module includes a comparison sub-unit and a decision sub-unit, and the comparison sub-unit is configured to: prioritize the alarm information that has been stored in the alarm record table. Compare with the priority of the new alarm information;
  • the determining sub-unit is configured to: when the comparison result is that the alarm information already stored in the alarm record table has a lower priority than the new alarm information, determine the coverage priority ratio to the new alarm information. An alarm message that is low and is the earliest to generate the new alarm information in the alarm record If the lowest priority of the alarm information that has been stored in the alarm record table is equal to the priority of the new alarm information, it is determined that the new alarm information or the coverage priority is directly discarded. a policy of storing the new alarm information in the alarm record table with the lowest level and the earliest generated alarm information; the priority in the alarm information stored in the alarm record table is higher than the priority If the priority of the new alarm information is high, the policy for directly discarding the new alarm information is determined.
  • the alarm recovery detection module and the alarm recovery processing module are further configured to: detect whether the alarm is restored, and the alarm recovery processing module is configured to: recover the alarm When the detection module detects that an alarm is restored, the corresponding alarm information is deleted in the corresponding alarm record table.
  • a computer readable storage medium storing computer executable instructions for performing the method of any of the above.
  • the optical line terminal first obtains an exclusive network element list, where the exclusive network element list includes important communication device members, and then the exclusive network element Each member in the list creates an independent alarm record table and creates a public alarm record table.
  • the optical line terminal detects the new alarm information, when the new alarm information is determined to be from a member of the exclusive network element list, the new The alarm information is stored in the independent alarm record table corresponding to the member; when it is determined that the new alarm information is not from the member in the exclusive network element list, the new alarm information is stored in the public alarm record table.
  • the foregoing solution adopted by the embodiment of the present invention separates the alarm record table of the member of the important communication device from other communication devices, and avoids overflow of the alarm list caused by the massive alarm information of other communication devices, thereby causing important communication devices (such as an important module/ONU).
  • important communication devices such as an important module/ONU.
  • the problem that the newly generated alarm is lost or the original unrecovered alarm is overwritten is to provide a reliable basis for querying the working status of the corresponding NE/module, fault location, and routine maintenance on the optical line terminal equipment.
  • FIG. 1 is a schematic diagram of a networking structure of a passive optical network
  • FIG. 2 is a schematic flowchart of a method for processing alarm information of a passive optical network device according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic structural diagram 1 of an optical line terminal according to Embodiment 2 of the present invention.
  • FIG. 4 is a second schematic structural diagram of an optical line terminal according to Embodiment 2 of the present invention.
  • FIG. 5 is a schematic structural diagram 3 of an optical line terminal according to Embodiment 2 of the present invention.
  • FIG. 6 is a schematic structural diagram 4 of an optical line terminal according to Embodiment 2 of the present invention.
  • FIG. 7 is a schematic structural diagram 5 of an optical line terminal according to Embodiment 2 of the present invention.
  • FIG. 8 is a schematic flowchart of a method for processing alarm information of a passive optical network device according to Embodiment 3 of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the method for processing alarm information of a passive optical network device in this embodiment includes:
  • Step 201 The optical line terminal acquires an exclusive network element list.
  • the list of exclusive NEs in this step can be created on the optical line terminal, or created on other devices and sent to the optical line terminal.
  • the members in the exclusive network element list are important modules (including but not limited to at least one of a CPU, a switch control module, a clock module, a service line card, etc.), interfaces, and lights specified by the optical line terminal, the network management server, or the operation and maintenance system. At least one of the network elements.
  • the important important modules, interfaces, and optical network units can be identified as members of the exclusive network element list according to the configuration on the optical line terminal, the human-computer interaction command, the configuration requirements of the network management server, or other operation and maintenance systems, and the alarm information for these members. Separate storage is used to prevent the massive alarms of other communication devices from impacting them, causing them to be discarded or causing important, unrecovered alarm information to be overwritten;
  • Step 202 The optical line terminal separately creates an independent alarm for each member in the exclusive network element list. recording sheet;
  • Step 203 The optical line terminal creates a public alarm record table for storing alarm information of other communication devices (including modules, interfaces, and optical network units) of members in the non-exclusive network element list. It should be understood that the step may also be performed in the foregoing. Executing before step 201, may also be performed simultaneously with step 201 above;
  • independent alarm record table and the public alarm record table may be created by directly establishing a total alarm record table, and then dividing some independent spaces into the total alarm record table as independent alarm record tables. The remaining space is a public alarm record table;
  • Step 204 The optical line terminal detects new alarm information.
  • the optical line terminal detects that the new alarm information is that the optical line terminal itself detects the alarm information or receives the alarm information sent by other modules, interfaces or units;
  • Step 205 The optical line terminal determines whether the new alarm information comes from a member of the exclusive network element list, if yes, go to step 206; if no, go to step 207;
  • Step 206 The new alarm information is stored in an independent alarm record table corresponding to the member.
  • Step 207 The new alarm information is stored in a public alarm record table.
  • each of the independent alarm record table space and the public alarm record table space may be independent of each other, and may not occupy or cover each other; of course, according to the actual application scenario, it may be set to occupy or cover each other in some cases.
  • the optical line terminal After the optical line terminal creates an independent alarm record table for each member in the exclusive network element list, the optical line terminal further sets the usage mode for each member corresponding to the independent alarm record table according to the attribute of each member, in this embodiment.
  • the usage mode set includes any one of a fixed mode and a guarantee mode; wherein:
  • the fixed mode is that the alarm record table space is allocated to the corresponding member and only the alarm information from the member can be stored. In this case, the alarm record table space corresponding to the member is always occupied by the member regardless of whether the member generates the alarm information.
  • the alarm information is preferentially stored from the member.
  • the alarm record table space is free, it can be shared for other members (may be other members in the exclusive NE list). Or other devices in the list of non-exclusive network elements are used. Therefore, in this embodiment, when the public alarm record table is full or other independent alarm record tables are stored. When it is full, it can be determined whether there is an independent alarm record table that uses the attribute as the guarantee mode and is currently in the idle state. If it exists, the independent alarm record table can be used for storage.
  • the optical line terminal may dynamically update members (including optical network units, modules, interfaces, etc.) and corresponding alarm record tables in the exclusive network element list according to human-machine commands, network management, or other operation and maintenance system commands. Maintenance; including:
  • the optical line terminal finds that the optical network unit is in the exclusive network element list. Determining to create a corresponding independent alarm record table for the optical network unit to store the alarm information corresponding to the optical network unit; when the newly added optical network unit is not in the exclusive network element list, directly use the public alarm record table space. Receiving and storing alarm information corresponding to the optical network unit;
  • the optical line terminal When a member of the exclusive NE list exits, the optical line terminal releases the independent alarm record table created for the member, and uses the corresponding space as the shared alarm record space; for example, when the optical network unit is deleted on the optical line terminal.
  • the optical line terminal determines that the optical network unit deletes the related content in the corresponding exclusive NE list in the exclusive network element list, and releases the corresponding allocated space for use as a public alarm record table space.
  • the optical line terminal maintains an independent alarm record table of the member when the member in the exclusive network element list is offline. For example, when the optical network unit is offline, the optical line terminal does not process the occupied alarm record table space of the optical network unit, and maintains the original alarm record and its attributes of the optical network unit.
  • the optical line terminal detects the new alarm information
  • the alarm record table corresponding to the new alarm information for example, the corresponding independent alarm record table or the shared alarm record table
  • the corresponding alarm information is received and stored one by one according to the time; in the case that the alarm record table corresponding to the new alarm information is full, in order to avoid the problem that the important alarm information is discarded or covered, the optical line terminal in this embodiment
  • the new alarm information can be processed in combination with the previously obtained alarm priority list.
  • the alarm priority list here may be generated on the optical line terminal, or may be generated on other devices and sent to the optical line terminal; the alarm priority list includes priority information of each alarm information.
  • the optical line terminal processes the new alarm information according to the alarm priority list, including:
  • the optical line terminal determines the alarm record table corresponding to the new alarm information (for example, it is assumed that the new alarm information corresponds to the shared alarm record table, and the new alarm information corresponds to the same manner as the independent alarm record table). Whether the priority information is lower than the new alarm information, if yes, the coverage priority is lower than the new alarm information, and the earliest generated alarm information stores the new alarm information in the alarm record table, and The alarm information covered in the embodiment may be unrecovered information. If the lowest priority of the alarm information stored in the alarm record table is equal to the priority of the new alarm information, the new alarm information is directly discarded according to the default setting of the system. Or the alarm information with the lowest priority and the earliest generation is used to store the new alarm information in the alarm record table; if the priority of the alarm information stored in the alarm record table is higher than the priority of the new alarm information, Discard the new alarm information directly.
  • the corresponding alarm record table Delete the corresponding alarm information to release the corresponding space.
  • the alarm information corresponding to the recovered alarm does not exist in the corresponding alarm record table, it is directly transmitted to the upper-layer network management system or other operation and maintenance system.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the embodiment provides an optical line terminal 2, as shown in FIG. 3, including a network element list obtaining module 21, an independent alarm record table creating module 22, a shared alarm record table creating module 23, and a processing module 24;
  • the network element list obtaining module 21 is configured to: obtain an exclusive network element list; the exclusive network element list may be created and generated on the optical line terminal 2, or may be created on other devices and sent to the optical line terminal 2.
  • the members in the exclusive network element list are at least one of an important module, an interface, and an optical network unit specified by the optical line terminal, the network management server, or the operation and maintenance system.
  • important important modules, interfaces, and optical network units can be identified as members of the exclusive network element list according to the configuration on the optical line terminal, the human-computer interaction command, the configuration requirements of the network management server or other operation and maintenance systems, etc.
  • the alarm information is stored separately. It avoids the impact of the massive alarms of other communication devices, causing them to be discarded or causing important and unrecovered alarm information to be overwritten.
  • the independent alarm record table creation module 22 is configured to: divide each member in the exclusive network element list into Do not create an independent alarm record table;
  • the shared alarm record table creation module 23 is configured to: create a public alarm record table for storing alarm information of other communication devices (including modules, interfaces, and optical network units) of members in the non-exclusive network element list;
  • the processing module 24 includes a detection submodule, a first determining submodule, and a storage submodule;
  • the detecting sub-module is configured to: detect new alarm information; the first determining sub-module is configured to: when the new alarm information is determined to be from a member in the exclusive network element list, notify the storage sub-module to store the new alarm information in the independent corresponding to the member.
  • the alarm record table when it is determined that the new alarm information is not a member from the exclusive network element list, the notification storage sub-module stores the new alarm information in the public alarm record table.
  • each of the independent alarm record table space and the public alarm record table space may be independent of each other, and may not occupy or cover each other; of course, according to the actual application scenario, it may be set to occupy or cover each other in some cases.
  • the optical line terminal 2 further includes an attribute setting module 25, configured to: after the independent alarm record creation module 22 creates an independent alarm record table for each member in the exclusive network element list, according to each The member's attributes are used to set the individual alarm record table for each member.
  • the attribute setting module 25 includes any one of a fixed mode setting submodule and a guarantee mode setting submodule;
  • the fixed mode setting sub-module is set to: after the alarm record table space is allocated to the corresponding member, only the alarm information from the member can be stored; no matter whether the member generates the alarm information, the alarm record table space corresponding to the member is always Occupied by the member;
  • the assurance mode setting sub-module is set to: after the alarm record table space is allocated to the corresponding member, the alarm information from the member is preferentially stored, and when the alarm record table space is idle, it can be shared for use by other members. Therefore, in the embodiment, when the public alarm record table is full or other independent alarm record tables are full, it can be determined whether there is an independent alarm record table in which the attribute is a guarantee mode and is currently in an idle state, and if yes, the The independent alarm record table is stored.
  • the optical line terminal further includes a maintenance module 26, as shown in FIG. 5, and is configured to: in the exclusive network element list, according to the man-machine command, the network management system, or other operation and maintenance system commands.
  • the maintenance module 26 finds that the optical network unit is in the exclusive network element list. Determining to create a corresponding independent alarm record table for the optical network unit to store the alarm information corresponding to the optical network unit; when the newly added optical network unit is not in the exclusive network element list, directly use the public alarm record table space. Receiving and storing alarm information corresponding to the optical network unit;
  • the maintenance module 26 When a member exits in the exclusive NE list, the maintenance module 26 releases the independent alarm record table previously created for the member, and uses the corresponding space as the shared alarm record space; for example, when the optical network unit is deleted on the optical line terminal. The maintenance module 26 determines that the optical network unit deletes the related content in the corresponding exclusive NE list in the exclusive network element list, and releases the corresponding allocated space for use as a public alarm record table space.
  • the maintenance module 26 maintains the independent alarm record table of the member when the member in the exclusive network element list is offline. For example, when the optical network unit is offline, the optical line terminal does not process the occupied alarm record table space of the optical network unit, and maintains the original alarm record and its attributes of the optical network unit.
  • the optical line terminal 2 further includes an alarm priority list obtaining module 27, and the processing module 24 further includes a priority processing sub-module;
  • the alarm priority list obtaining module 27 is configured to: obtain an alarm priority list, where the alarm priority list includes priority information of each alarm information; the alarm priority list may be generated on the optical line terminal, or may be in other After being generated on the device, it is sent to the optical line terminal;
  • the priority processing sub-module is configured to: when the alarm record table corresponding to the new alarm information is full, process the new alarm information according to the alarm priority list.
  • the priority processing sub-module includes a comparison sub-unit and a decision sub-unit, and the comparison sub-unit is configured to: compare the priority of the stored alarm information in the alarm record table with the priority of the new alarm information; If the priority of the alarm information stored in the alarm record table is lower than the new alarm information, it is determined that the coverage priority is lower than the new alarm information, and the earliest generated alarm information will be the new alarm information.
  • the alarm record table is stored in the policy; the comparison result is stored in the alarm record table.
  • the lowest priority of the incoming alarm information is equal to the priority of the new alarm information, it is determined that the new alarm information is directly discarded or the lowest priority is generated, and the first generated alarm information is stored in the alarm record table. If the priority of the alarm information stored in the alarm record table is higher than the priority of the new alarm information, the policy of directly discarding the new alarm information is determined.
  • the optical line terminal 2 further includes an alarm recovery detecting module 28 and an alarm recovery processing module 29, and the alarm recovery detecting module 28 is configured to: detect whether the alarm is restored, and the alarm recovery processing module 29 is set to: in the alarm recovery detection.
  • the module 28 detects that the alarm is restored, the corresponding alarm information is deleted in the corresponding alarm record table.
  • the alarm information corresponding to the recovered alarm does not exist in the corresponding alarm record table, it is directly transmitted to the upper-layer network management system or other operation and maintenance system.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • This embodiment is described by taking the PON system shown in FIG. 1 as an example, which includes a network management server EMS, an optical network terminal OLT, an optical distribution network ODN, and an optical network unit ONU, where:
  • the network management server EMS is configured to: manage the OLT in the xPON network, and manage the ONU through the OLT; the EMS receives the alarm message and the alarm recovery notification sent by the OLT, and completes the local alarm for the network management according to the alarm message and the recovery notification.
  • the EMS manages and manages the services of the OLT and the ONU through configuration or commands, or implements the management of the OLT and ONU services by other O&M platforms through standard interfaces.
  • the optical network terminal OLT is located at the location of the communication device of the master node, and is configured to: access and manage the ONU, and generate related service data and management data for the ONU on the OLT.
  • the OLT establishes and maintains an exclusive network element list and an alarm priority list, and establishes and allocates an independent alarm record table space corresponding to each member in the public alarm record table space and the exclusive network element list, and according to each of the exclusive network element lists.
  • the OLT is further configured to: detect, maintain, and dynamically update the foregoing alarm record table space: when detecting a new module/interface/ONU and receiving a new alarm, dividing and receiving the corresponding alarm record table space according to the above rules; After the interface/ONU is invalid or deleted, the corresponding alarm record table space is released, recycled, and re-allocated according to certain rules.
  • the optical distribution network is configured as an ONU with an unequal number of connections under the OLT device.
  • OLT optical distribution network
  • the ONU of the optical network unit is located at the location of the sub-node communication device, and is configured to assume the role of the terminal device that accesses the service of the home user, accept the management of the OLT, and establish a service channel according to the configuration delivered by the OLT, and report the generated alarm to the OLT. On the OLT.
  • the method for processing alarm information of a passive optical network device in the foregoing system includes:
  • Step 801 Generate and initialize an exclusive network element list and an alarm priority list on the OLT in the xPON.
  • the OLT's exclusive NE list is used to set and save the members specified by the OLT, the NMS, or other O&M systems, including the important modules/interfaces and ONUs.
  • the OLT's alarm priority list is used to save the OLT, network management, or other O&M system.
  • the specified key alarm entries include the priority of each alarm information.
  • the priority of the alarm information can be set separately for important alarm information.
  • the priority is not set for other alarm information. By default, this type of alarm information has the lowest priority.
  • Step 802 In the xPON, the OLT joins the specific ONU device or the relevant module/interface of the OLT as a member to the exclusive NE list according to the configuration on the OLT, the man-machine command, the network management system, or other operation and maintenance system requirements, and allocates independent alarms respectively. Recording the table space, determining the independent alarm record table space according to its attributes by using a fixed mode or a guarantee mode; and generating a public alarm record table;
  • the OLT can also directly generate a total alarm record table, and then divide an independent space for each member in the exclusive network element list in the alarm record table as an independent alarm record table corresponding to each member.
  • the following is a shared alarm record table.
  • the OLT divides the total alarm record table into a public space according to the module/interface/ONU information configured in the exclusive NE list.
  • the exclusive NEs are configured with corresponding independent spaces: the alarms generated by each module/interface/ONU specified in the exclusive NE list will be received and stored in the independent alarm record table space; each of the unspecified NE lists is not specified.
  • the alarm generated by the module/interface/ONU will be received and stored in the public alarm record table space.
  • the OLT detects the local module/interface alarm or receives the ONU alarm, it will send the alarm to the alarm according to the exclusive NE list configuration. Record the corresponding independent space or shared space of the table.
  • Each independent alarm record table space and the public alarm record table space are independent of each other and cannot occupy or cover each other.
  • Each independent alarm record table space is exclusively or preferentially assigned by the specified module/interface/ONU in a fixed or guaranteed manner.
  • the common alarm record table space is shared and used by the remaining modules/interfaces/ONUs.
  • the fixed mode means that after the alarm record table space is allocated to the specified module/interface/ONU, the corresponding alarm record table space is occupied by the module/interface/ONU and cannot be used by other objects.
  • the module/interface/ONU takes precedence and occupies the alarm list space. When the alarm record table space is idle, it can be shared with other non-designated modules/interfaces/ONUs. Use or monopolize the use of other members in the list of NEs.
  • Step 803 The OLT sets the priority of different alarms according to the configuration or the instruction in the xPON, and generates or updates the related alarm priority list.
  • the high-priority alarms are flooded with low-priority alarms when the alarm record table is full or other conflicts: When the public/independent alarm record table space is full, the high-priority alarms are entered and stored in the related public/independent alarm list space. And overwrite low priority alarm entries by a certain policy.
  • the OLT determines that it generates module/interface/ONU information and alarm priority information, determines its storage space according to the alarm information, and determines the processing method of the alarm when the alarm space is full: When the priority of the new alarm is higher than the priority of the alarm in the corresponding alarm record table, the corresponding alarm record table space is entered, and the earliest generated and unrecovered low priority alarm in the alarm record table is overwritten; when the new alarm is prioritized If the priority of the alarm in the corresponding alarm record table is low, the device discards it. If the priority of the new alarm is the same as that of the corresponding alarm record, the OLT defaults the alarm processing mode.
  • the OLT When the OLT detects or accepts an alarm recovery notification, it recovers in the corresponding alarm record table space according to the alarm generation module/interface/ONU information. When the alarm is restored, the corresponding alarm is in its alarm. When the record table space does not exist, it should be directly transmitted to the upper network management system or other operation and maintenance system.
  • Step 804 In the xPON system, when the newly added ONU completes the registration authentication, the OLT determines to add a corresponding independent alarm record table space or use the public alarm record table according to the configuration of the ONU device in the exclusive network element list. Receiving and processing an alarm of the corresponding ONU device;
  • the OLT divides the new independent alarm record table space for receiving and storing the alarm information corresponding to the ONU; when the newly registered authentication ONU is not in the exclusive NE list of the OLT, the OLT Receive and store related alarms using the public alarm record table space.
  • the corresponding alarm information is sequentially received according to the time and stored; when the alarm record table space is full, the relevant alarm priority level is confirmed according to the alarm priority list, and the corresponding processing mode is adopted;
  • Step 805 When the ONU device is kept online, the OLT or the other operation and maintenance system commands the independent alarm record table of the member (the relevant ONU or OLT related module/interface) and the response in the exclusive network element list according to the man-machine command. Space for maintenance;
  • the OLT detects that an alarm occurs
  • the alarm is sent to the corresponding alarm record table space according to the location of the alarm.
  • the related alarm is sent to the independent one.
  • the alarm record table space when the alarm information is not from the member of the exclusive network element list, the related alarm is sent to the public alarm record table space.
  • the OLT releases or adds the corresponding independent alarm record table space according to a certain policy, and updates the usage of the alarm record table space. maintain.
  • Step 806 When the ONU device is offline, the OLT does not process the occupied alarm record table space, and maintains the original alarm record of the ONU and its use attribute;
  • Step 807 After the ONU device is deleted on the OLT, the OLT determines the ONU attribute, deletes the related content in the corresponding exclusive NE list, and releases the corresponding allocated space for use as a public alarm record table space;
  • Step 808 The OLT reports the current alarm and alarm recovery notification message to the network management system and other operation and maintenance platforms in real time to ensure that the communication device synchronizes with the alarms of the network management system and other operation and maintenance platforms.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • the device/function module/functional unit in the above embodiment When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the alarm record table of the member of the important communication device is separated from other communication devices to prevent the alarm list from overflowing due to the massive alarm information of other communication devices, thereby causing new communication devices (such as important modules/ONU nodes, etc.) to be new.
  • new communication devices such as important modules/ONU nodes, etc.
  • the problem that the alarm is lost or the original unrecovered alarm is overwritten is to provide a reliable basis for querying the working status of the corresponding NE/module, fault location, and routine maintenance on the optical line terminal equipment.

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Abstract

本文公布一种无源光网络设备告警信息处理方法及光线路终端，光线路终端首先获取一个独占网元列表，该独占网元列表中包含重要的通讯设备成员，然后为该独占网元列表中的每个成员分别创建独立告警记录表，并创建公共告警记录表；光线路终端检测到新告警信息后，当判定该新告警信息来自独占网元列表中的成员时，则将该新告警信息存入该成员对应的独立告警记录表；当判定该新告警信息不是来自所述独占网元列表中的成员时，将该新告警信息存入公共告警记录表中。

Description

无源光网络设备告警信息处理方法及光线路终端 技术领域
本申请涉及但不限于通信领域。
背景技术
无源光网络(PON,Passive Optical Network)设备根据工作机制可以分为基于以太网的无源光网络设备(EPON，Ethernet Passive Optical Network)、千兆无源光网络设备(G-PON,Gigabit-capable Passive Optical Network)以及其它工作机制的无源光网络设备；这些无源光网络(以下简称xPON)设备系统构架一致，均包含光线路终端(OLT，Optical Line Terminal)和光网络单元(ONU，Optical Network Unit)。对于点对点通信(PToP)接入系统也存在基本相同的组网系统架构，包含OLT以及ONU。在无源光网络的G-PON/EPON以及其他PON运行网络(简称xPON网络)中，常见组网系统如图1所示。该系统由网管服务器(EMS)、光线路终端(OLT)、光分配网络(ODN，Optical Distribution Network)和多个ONU组成：EMS系统完成对所辖OLT/ONU的管理及维护，OLT作为中心局端设备通过SNI(业务网络侧接口)实现业务及向上层设备的转发，并通过ODN网络连接汇聚多个ONU设备，实现对ONU业务的控制与管理；ONU设备通过UNI(用户网络侧接口)完成用户业务的最终接入，从而实现多种业务传输和配置管理等功能，同时向上层OLT设备转发其告警与通知消息。
在网络通讯环境下，告警管理对网络维护的正常运行起着非常重要的作用。当通讯设备由于环境影响或其他因素而发生故障或异常情况时，除通讯设备本身生成告警外，还需要以告警的方式上报给上层对接设备以及网管设备。对于上述xPON系统中，当位于用户侧的ONU设备检测到故障或异常时，将产生告警，并将相关告警上报OLT设备。OLT设备本身生成并维护一张告警记录表，用于接收并存储OLT自身检测到的告警以及下挂ONU设备上报的告警。OLT自身检测到的告警包括设备本身不同模块(包括不限于CPU、交换模块、不同种类业务线卡等)产生的告警以及不同接口(包括但 不限于PON接口、ONU接口、上联接口、传感器等)产生的告警。OLT所有模块、接口及下挂ONU产生的所有告警默认情况下均共享OLT生成的告警记录表，OLT设备对告警记录表进行动态维护：当OLT设备相应模块、接口或下挂ONU检测到故障或异常并产生告警时，应将相关告警条目按告警产生时间顺序记录在告警记录表中；当OLT设备相应模块、接口或下挂ONU从故障或异常状态中恢复时，应将告警记录表中对应的告警条目删除；当产生的告警数量大于告警记录表空间时，应按不同的告警处理方式将导致新告警丢失或原有告警被覆盖(告警处理包括但不限于如下方式：采用覆盖方式，在告警记录表已满的情况下，新告警对原有告警进行覆盖，告警记录表中发生时间最老且恢复的告警将丢失；采用丢弃方式，在告警记录表已满的情况下，新告警直接丢弃。)
在xPON系统中，位于用户侧的ONU设备受工程安装环境，线路外设质量、用户使用习惯等影响较传统通讯设备严重，其稳定性往往较OLT设备为低，使得ONU本身更可能在较短时间内产生大量、频繁、重复的告警，同时也会由于ONU自身状态不稳定，导致OLT的相关ONU接口也可能出现大量告警。即在xPON系统中存在两类告警问题：
1)不同模块/接口/ONU的大量告警对xPON系统其它模块/接口/ONU的告警在OLT上告警记录的冲击：上述告警将在很短时间内使得OLT告警记录表溢出，并使得后续OLT设备相关模块、其他ONU产生的告警无法进入OLT告警记录(丢失)或原先产生且未恢复的告警被覆盖；
2)大量告警对在重要关键告警在OLT上告警记录的冲击：当海量告警在短时间内使得OLT上告警记录表溢出，使得xPON系统中与设备状态、业务质量等相关的重要/关键告警无法进入OLT告警记录(丢失)或原先产生且未恢复的重要/关键告警被覆盖。
上述两类告警问题对在OLT设备上查询相应网元/模块工作状态、故障问题定位以及日常维护带来困难。随着xPON系统快速建设，网络规模逐渐增大，上述告警丢失或覆盖问题变得日益严重。可见，对于如何解决上述海量告警导致通讯设备告警列表溢出，特别是重要模块/ONU节点新产生告警丢失或原有未恢复告警被覆盖，是目前急需解决的技术问题。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本文提供一种无源光网络设备告警信息处理方法及光线路终端，解决海量告警导致重要通讯设备新产生告警丢失或原有未恢复告警被覆盖的问题。
本发明实施例提供一种无源光网络设备告警信息处理方法,包括：
光线路终端获取独占网元列表，为该独占网元列表中的每个成员分别创建独立告警记录表，并创建公共告警记录表；
光线路终端检测到新告警信息后，当判定该新告警信息来自所述独占网元列表中的成员时，将该新告警信息存入该成员对应的独立告警记录表；当判定该新告警信息不是来自所述独占网元列表中的成员时，将该新告警信息存入所述公共告警记录表中。
在本发明的一种实施例中，所述独占网元列表中的成员为由光线路终端、网管服务器或运维系统指定的重要模块(包括但不限于CPU、交换控制模块、时钟模块、业务线卡中的至少一种)、接口和光网络单元中的至少一个。
在本发明的一种实施例中，还包括光线路终端在所述独占网元列表中有新成员加入时，为该新成员创建独立告警记录表；和/或光线路终端在所述独占网元列表中有成员退出时，释放之前为该成员创建的独立告警记录表；和/或光线路终端在所述独占网元列表中有成员处于离线状态时，保持该成员的独立告警记录表。
在本发明的一种实施例中，光线路终端为所述独占网元列表中的每个成员分别创建独立告警记录表后，还包括根据每个成员的属性为每个成员对应的独立告警记录表设置使用方式。
在本发明的一种实施例中，所述使用方式包括固定方式和保证方式中的任意一种；
所述固定方式为告警记录表空间被分配给对应的成员后只能存储来自该 成员的告警信息；
所述保证方式为告警记录表空间被分配给对应的成员后，优先存储来自该成员的告警信息，当该告警记录表空间存在空闲时可以共享出来供其他成员使用。
在本发明的一种实施例中，还包括光线路终端获取告警优先级列表，所述告警优先级列表中包含每个告警信息的优先级信息；
光线路终端检测到新告警信息后，在该新告警信息对应的告警记录表存满的情况下，还包括根据所述告警优先级列表对所述新告警信息进行处理。
在本发明的一种实施例中，光线路终端根据所述告警优先级列表对所述新告警信息进行处理包括：
光线路终端判断所述告警记录表中已存入的告警信息中是否存在优先级比所述新告警信息低的，如存在，则覆盖优先级比所述新告警信息低、且最早产生的一条告警信息将所述新告警信息在所述告警记录表进行存储；
如所述告警记录表中已存入的告警信息中最低优先级等于所述新告警信息的优先级，则直接丢弃该新告警信息或覆盖优先级最低、且最早产生的一条告警信息将所述新告警信息在所述告警记录表进行存储；
如所述告警记录表中已存入的告警信息中的优先级都比所述新告警信息的优先级高，则直接丢弃该新告警信息。
在本发明的一种实施例中，还包括光线路终端检测到有告警恢复时，在对应的告警记录表中删除对应的告警信息。
本发明实施例还提供了一种光线路终端，包括网元列表获取模块、独立告警记录表创建模块、共享告警记录表创建模块以及处理模块；
所述网元列表获取模块设置为：获取独占网元列表；
所述独立告警记录表创建模块设置为：为所述独占网元列表中的每个成员分别创建独立告警记录表；
所述共享告警记录表创建模块设置为：创建公共告警记录表；
所述处理模块包括检测子模块、第一判断子模块和存储子模块；
所述检测子模块设置为：检测新告警信息；所述第一判断子模块设置为：判定该新告警信息来自所述独占网元列表中的成员时，通知所述存储子模块将该新告警信息存入该成员对应的独立告警记录表；当判定该新告警信息不是来自所述独占网元列表中的成员时，通知所述存储子模块将该新告警信息存入所述公共告警记录表中。
在本发明的一种实施例中，还包括属性设置模块，设置为：在所述独立告警记录表创建模块为所述独占网元列表中的每个成员分别创建独立告警记录表后，根据每个成员的属性为每个成员对应的独立告警记录表设置使用方式。
在本发明的一种实施例中，所述属性设置模块包括固定方式设置子模块和保证方式设置子模块中的任意一种；
所述固定方式设置子模块设置为：设置告警记录表空间被分配给对应的成员后只能存储来自该成员的告警信息；
所述保证方式设置子模块设置为：设置告警记录表空间被分配给对应的成员后，优先存储来自该成员的告警信息，当该告警记录表空间存在空闲时可以共享出来供其他成员使用。
在本发明的一种实施例中，还包括告警优先级列表获取模块，所述处理模块还包括优先级处理子模块；
所述告警优先级列表获取模块设置为：获取告警优先级列表，所述告警优先级列表中包含每个告警信息的优先级信息；
所述优先级处理子模块设置为：在所述新告警信息对应的告警记录表存满的情况下，根据所述告警优先级列表对所述新告警信息进行处理。
在本发明的一种实施例中，所述优先级处理子模块包括比较子单元和决策子单元，所述比较子单元设置为：将所述告警记录表中已存入的告警信息的优先级与所述新告警信息的优先级进行比较；
所述决策子单元设置为：在所述比较结果为所述告警记录表中已存入的告警信息中存在优先级比所述新告警信息低的，则确定覆盖优先级比所述新告警信息低、且最早产生的一条告警信息将所述新告警信息在所述告警记录 表进行存储的策略；在所述比较结果为所述告警记录表中已存入的告警信息中最低优先级等于所述新告警信息的优先级时，则确定直接丢弃该新告警信息或覆盖优先级最低且最早产生的一条告警信息将所述新告警信息在所述告警记录表进行存储的策略；在所述比较结果为所述告警记录表中已存入的告警信息中的优先级都比所述新告警信息的优先级高，则确定直接丢弃该新告警信息的策略。
在本发明的一种实施例中，还包括告警恢复检测模块和告警恢复处理模块，所述告警恢复检测模块设置为：检测告警是否恢复，所述告警恢复处理模块设置为：在所述告警恢复检测模块检测到有告警恢复时，在对应的告警记录表中删除对应的告警信息。
一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述任一项的方法。
本发明实施例提供的无源光网络设备告警信息处理方法及光线路终端，光线路终端首先获取一个独占网元列表，该独占网元列表中包含重要的通讯设备成员，然后为该独占网元列表中的每个成员分别创建独立告警记录表，并创建公共告警记录表；光线路终端检测到新告警信息后，当判定该新告警信息来自独占网元列表中的成员时，则将该新告警信息存入该成员对应的独立告警记录表；当判定该新告警信息不是来自所述独占网元列表中的成员时，将该新告警信息存入公共告警记录表中。本发明实施例通过的上述方案将重要通讯设备成员的告警记录表与其他通讯设备的分隔开来存储，避免其他通讯设备海量告警信息导致告警列表溢出进而导致重要通讯设备(例如重要模块/ONU节点等)新产生告警丢失或原有未恢复告警被覆盖的问题，为在光线路终端设备上查询相应网元/模块工作状态、故障问题定位以及日常维护提供可靠依据。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1为一种无源光网络的组网结构示意图；
图2为本发明实施例一中的无源光网络设备告警信息处理方法流程示意图；
图3为本发明实施例二中的光线路终端结构示意图一；
图4为本发明实施例二中的光线路终端结构示意图二；
图5为本发明实施例二中的光线路终端结构示意图三；
图6为本发明实施例二中的光线路终端结构示意图四；
图7为本发明实施例二中的光线路终端结构示意图五；
图8为本发明实施例三中的无源光网络设备告警信息处理方法流程示意图。
本发明的实施方式
下面结合附图对本发明的实施方式进行说明。
实施例一：
请参见图2所示，本实施例中的无源光网络设备告警信息处理方法包括：
步骤201：光线路终端获取独占网元列表；
该步骤中的独占网元列表可以在光线路终端上创建生成，也可以在其他设备上创建生成后发给光线路终端。独占网元列表中的成员为由光线路终端、网管服务器或运维系统指定的重要模块(包括但不限于CPU、交换控制模块、时钟模块、业务线卡等中的至少一种)、接口和光网络单元中的至少一个。可以根据光线路终端上的配置、人机交互命令、网管服务器或其他运维系统的配置要求等确定出重要的重要模块、接口和光网络单元作为独占网元列表的成员，对于这些成员的告警信息采用单独存储的方式，避免其他通讯设备的海量告警对其造成冲击导致其被丢弃或导致重要的、还未恢复的告警信息被覆盖；
步骤202：光线路终端为独占网元列表中的每个成员分别创建独立告警 记录表；
步骤203：光线路终端创建公共告警记录表，用于存储非独占网元列表中成员的其他通讯设备(包括模块、接口和光网络单元)的告警信息；应当理解的是，该步骤还可以在上述步骤201之前执行，也可以与上述步骤201同时进行；
另外，上述独立告警记录表和公共告警记录表的创建也可为：先直接建立一个总的告警记录表，然后在该总的告警记录表中划分出一些独立的空间分别作为独立告警记录表，剩余的空间则为公共告警记录表；
步骤204：光线路终端检测到新告警信息；
此处光线路终端检测到新告警信息为光线路终端自身检测到告警信息或接收到其他模块、接口或单元发送的告警信息；
步骤205：光线路终端判断该新告警信息是否来自独占网元列表中的成员时，如是，转至步骤206；如否，转至步骤207；
步骤206：将该新告警信息存入该成员对应的独立告警记录表。
步骤207：将该新告警信息存入公共告警记录表中。
本实施例中可以设置每个独立告警记录表空间与公共告警记录表空间之间相互独立，且不能相互占用或覆盖；当然根据实际应用场景也可以设置在一些情况下可以相互占用或覆盖。其中，光线路终端为独占网元列表中的每个成员分别创建独立告警记录表后，还包括根据每个成员的属性为每个成员对应的独立告警记录表设置使用方式，本实施例中的所设置的使用方式包括固定方式和保证方式中的任意一种；其中：
固定方式为告警记录表空间被分配给对应的成员后只能存储来自该成员的告警信息；此时无论该成员是否产生告警信息，该成员对应的告警记录表空间一直被该成员占用；
保证方式为告警记录表空间被分配给对应的成员后，优先存储来自该成员的告警信息，当该告警记录表空间存在空闲时可以共享出来供其他成员(可以是独占网元列表中的其他成员或非独占网元列表中的其他设备)使用。因此在本实施例中当在公共告警记录表存满或者其他独立告警记录表存 满时，可以判断是否存在使用属性为保证方式且当前处于空闲状态的独立告警记录表，如存在则可借用该独立告警记录表进行存储。
本实施例中，光线路终端还可根据人机命令、网管或者其他运维系统命令对独占网元列表中的成员(包括光网路单元、模块或接口等)以及对应的告警记录表进行动态的维护；包括：
当独占网元列表中有新成员加入时，例如在无线光网络系统中新增加光网络单元完成注册认证后，正常接收光线路终端管理时，光线路终端发现该光网络单元在独占网元列表中，决定为该光网络单元创建一个对应的独立告警记录表以存储该光网络单元对应的告警信息；当新增加的光网络单元不在独占网元列表中时，则直接使用公共告警记录表空间接收并存储该光网络单元对应的告警信息；
在独占网元列表中有成员退出时，光线路终端释放之前为该成员创建的独立告警记录表，将对应的空间作为共享告警记录空间使用；例如当光网络单元在光线路终端上被删除后，光线路终端判断该光网络单元在独占网元列表中，删除对应独占网元列表中相关内容，并释放对应已分配空间作公共告警记录表空间使用。
光线路终端在独占网元列表中有成员处于离线状态时，保持该成员的独立告警记录表。例如当光网络单元离线情况时，光线路终端对该光网络单元已占用告警记录表空间不作处理，保持该光网络单元原有告警记录及其属性。
在本实施例中，光线路终端检测到新告警信息后，在该新告警信息对应的告警记录表(例如对应的独立告警记录表或共享告警记录表)未存满(也即未溢出)时，根据时间逐次接收相应告警信息并存储；在该新告警信息对应的告警记录表存满的情况下，为了避免出现将重要的告警信息丢弃或者覆盖的问题出现，本实施例中的光线路终端此时可结合之前获取的告警优先级列表对该新告警信息进行处理。此处的告警优先级列表可以在光线路终端上生成，也可以在其他设备上生成后发给光线路终端；该告警优先级列表包含每个告警信息的优先级信息。新告警信息对应的告警记录表空间满了时，光线路终端根据告警优先级列表对新告警信息进行处理包括：
光线路终端判断该新告警信息对应的告警记录表(例如假设该新告警信息此时对应的是共享告警记录表，对于该新告警信息对应的是独立告警记录表的方式相同)中已存入的告警信息中是否存在优先级比新告警信息低的，如存在，则覆盖优先级比新告警信息低、且最早产生的一条告警信息将新告警信息在所述告警记录表进行存储，且本实施例中所覆盖的告警信息可以为未恢复的信息；如告警记录表中已存入的告警信息中最低优先级等于新告警信息的优先级，则按照系统的默认设置直接丢弃该新告警信息或覆盖优先级最低且最早产生的一条告警信息将新告警信息在告警记录表进行存储；如该告警记录表中已存入的告警信息中的优先级都比新告警信息的优先级高，则直接丢弃该新告警信息。
在本实施例中，当光线路终端检测到有告警恢复时(此处的检测为光线路终端自身检测到或接收到其他模块、接口或单元发送的恢复通知时)，在对应的告警记录表中删除对应的告警信息以释放对应的空间。当恢复的告警对应的告警信息在对应的告警记录表中不存在时，直接透传给上层网管或者其他运维系统。
实施例二：
本实施例提供了一种光线路终端2，请参见图3所示，包括网元列表获取模块21、独立告警记录表创建模块22、共享告警记录表创建模块23以及处理模块24；
网元列表获取模块21设置为：获取独占网元列表；独占网元列表可以在光线路终端2上创建生成，也可以在其他设备上创建生成后发给光线路终端2。独占网元列表中的成员为由光线路终端、网管服务器或运维系统指定的重要模块、接口和光网络单元中的至少一个。其中，可以根据光线路终端上的配置、人机交互命令、网管服务器或其他运维系统的配置要求等确定出重要的重要模块、接口和光网络单元作为独占网元列表的成员，对于这些成员的告警信息采用单独存储的方式，避免其他通讯设备的海量告警对其造成冲击导致其被丢弃或导致重要的、还未恢复的告警信息被覆盖；
独立告警记录表创建模块22设置为：为独占网元列表中的每个成员分 别创建独立告警记录表；
共享告警记录表创建模块23设置为：创建公共告警记录表，用于存储非独占网元列表中成员的其他通讯设备(包括模块、接口和光网络单元)的告警信息；
处理模块24包括检测子模块、第一判断子模块和存储子模块；
检测子模块设置为：检测新告警信息；第一判断子模块设置为：判定该新告警信息来自独占网元列表中的成员时，通知存储子模块将该新告警信息存入该成员对应的独立告警记录表；当判定该新告警信息不是来自所述独占网元列表中的成员时，通知存储子模块将该新告警信息存入公共告警记录表中。
本实施例中可以设置每个独立告警记录表空间与公共告警记录表空间之间相互独立，且不能相互占用或覆盖；当然根据实际应用场景也可以设置在一些情况下可以相互占用或覆盖。请参见图4所示，光线路终端2还包括属性设置模块25，设置为：在独立告警记录表创建模块22为独占网元列表中的每个成员分别创建独立告警记录表后，根据每个成员的属性为每个成员对应的独立告警记录表设置使用方式。属性设置模块25包括固定方式设置子模块和保证方式设置子模块中的任意一种；
固定方式设置子模块设置为：设置告警记录表空间被分配给对应的成员后只能存储来自该成员的告警信息；此时无论该成员是否产生告警信息，该成员对应的告警记录表空间一直被该成员占用；
保证方式设置子模块设置为：设置告警记录表空间被分配给对应的成员后，优先存储来自该成员的告警信息，当该告警记录表空间存在空闲时可以共享出来供其他成员使用。因此在本实施例中当在公共告警记录表存满或者其他独立告警记录表存满时，可以判断是否存在使用属性为保证方式且当前处于空闲状态的独立告警记录表，如存在则可借用该独立告警记录表进行存储。
本实施例中，光线路终端还包括维护模块26，请参见图5所示，设置为：还可根据人机命令、网管或者其他运维系统命令对独占网元列表中的成 员(包括光网路单元、模块或借口等)以及对应的告警记录表进行动态的维护；包括：
当独占网元列表中有新成员加入时，例如在无线光网络系统中新增加光网络单元完成注册认证后，正常接收光线路终端管理时，维护模块26发现该光网络单元在独占网元列表中，决定为该光网络单元创建一个对应的独立告警记录表以存储该光网络单元对应的告警信息；当新增加的光网络单元不在独占网元列表中时，则直接使用公共告警记录表空间接收并存储该光网络单元对应的告警信息；
在独占网元列表中有成员退出时，维护模块26释放之前为该成员创建的独立告警记录表，将对应的空间作为共享告警记录空间使用；例如当光网络单元在光线路终端上被删除后，维护模块26判断该光网络单元在独占网元列表中，删除对应独占网元列表中相关内容，并释放对应已分配空间作公共告警记录表空间使用。
维护模块26在独占网元列表中有成员处于离线状态时，保持该成员的独立告警记录表。例如当光网络单元离线情况时，光线路终端对该光网络单元已占用告警记录表空间不作处理，保持该光网络单元原有告警记录及其属性。
请参见图6所示，光线路终端2还包括告警优先级列表获取模块27，处理模块24还包括优先级处理子模块；
告警优先级列表获取模块27设置为：获取告警优先级列表，告警优先级列表中包含每个告警信息的优先级信息；此处的告警优先级列表可以在光线路终端上生成，也可以在其他设备上生成后发给光线路终端；
优先级处理子模块设置为：在新告警信息对应的告警记录表存满的情况下，根据告警优先级列表对所述新告警信息进行处理。其中，优先级处理子模块包括比较子单元和决策子单元，比较子单元设置为：将告警记录表中已存入的告警信息的优先级与新告警信息的优先级进行比较；决策子单元设置为：在比较结果为告警记录表中已存入的告警信息中存在优先级比新告警信息低的，则确定覆盖优先级比新告警信息低、且最早产生的一条告警信息将新告警信息在告警记录表进行存储的策略；在比较结果为告警记录表中已存 入的告警信息中最低优先级等于新告警信息的优先级时，则确定直接丢弃该新告警信息或覆盖优先级最低、且最早产生的一条告警信息将所述新告警信息在告警记录表进行存储的策略；在比较结果为告警记录表中已存入的告警信息中的优先级都比新告警信息的优先级高，则确定直接丢弃该新告警信息的策略。
请参见图7所示，光线路终端2还包括告警恢复检测模块28和告警恢复处理模块29，告警恢复检测模块28设置为：检测告警是否恢复，告警恢复处理模块29设置为：在告警恢复检测模块28检测到有告警恢复时，在对应的告警记录表中删除对应的告警信息。当恢复的告警对应的告警信息在对应的告警记录表中不存在时，直接透传给上层网管或者其他运维系统。
实施例三：
下面以一应用场景为例，对本发明实施例做进一步的说明。
本实施例以图1所示的PON系统为例进行说明，其包括网管服务器EMS，光网络终端OLT、光分配网络ODN、光网络单元ONU，其中：
网管服务器EMS，设置为：对xPON网络中的OLT进行管理，并通过OLT实现对ONU的管理；EMS接收OLT发送的告警消息以及告警恢复通知，并根据告警消息及恢复通知完成对网管本地告警的管理与更新；EMS通过配置或指令实现对下挂OLT以及ONU的业务配置及管理，或通过标准接口实现其他运维平台对OLT以及ONU的业务配置的管理。
光网络终端OLT，处于主节点通讯设备位置，设置为：接入并对ONU进行管理，在OLT上对下挂ONU生成相关业务数据以及管理数据。OLT建立并维护独占网元列表和告警优先级列表，以及建立并分配公共告警记录表空间和独占网元列表中每个成员对应的独立告警记录表空间，并根据独占网元列表中的每个成员(包括模块/接口/ONU)信息及其属性设置对应的独立告警记录表的使用方式，以防止独占网元列表中配置重要模块/接口/ONU的告警被其他海量告警覆盖；根据告警优先级列表中配置告警信息，为检测到的告警信息确定优先级，并根据优先级决定告警信息的接收处理方式，以防 止重要/关键告警被其他海量告警覆盖。OLT还设置为：检测、维护并动态更新上述告警记录表空间：在检测新模块/接口/ONU且接收到新增告警时，根据上述规则划分、接收更新相应告警记录表空间；在对应模块/接口/ONU失效或删除后，根据一定规则释放、回收并重新分配相应告警记录表空间。
光分配网络ODN，设置为：OLT设备下连接数量不等的ONU，作为OLT和ONU之间直接的物理连接通道，可能由多个物理/逻辑器件组合而成。
光网络单元ONU，处于子节点通讯设备位置，设置为：承担接入家庭用户业务的终端设备的角色，接受OLT的管理，并根据OLT下发的配置建立业务通道，并将产生的告警上报到OLT上。
请参见图8所示，上述系统中的无源光网络设备告警信息处理方法包括：
步骤801：在xPON中的OLT上生成并初始化独占网元列表以及告警优先级列表；
OLT的独占网元列表用于设置并保存由OLT、网管或其他运维系统指定的成员，包括重要模块/接口以及ONU；OLT的告警优先级列表用于保存由OLT、网管或其他运维系统指定的重要关键告警条目，包括每个告警信息的优先级，对于重要的告警信息可单独设置其优先级，对于其他告警信息则不设置其优先级，默认这类告警信息的优先级最低；OLT根据独占网元列表与告警优先级列表配置内容决定相关告警信息的处理；
步骤802：xPON中OLT根据OLT上配置、人机命令、网管或其他运维系统要求，将其下挂特定ONU设备或OLT本身相关模块/接口作为成员加入独占网元列表，并分别分配独立告警记录表空间，按其属性确定独立告警记录表空间采用固定方式或保证方式；以及生成公共告警记录表；
本实施例中OLT也可直接生成一个总的告警记录表，然后在该告警记录表中为独占网元列表中的每个成员划分一个独立的空间作为每个成员对应的独立告警记录表，剩下的则为共享告警记录表；其中，OLT根据独占网元列表中配置的模块/接口/ONU信息，将总的告警记录表划分为公共空间以及为 独占网元分别配置对应的独立空间：独占网元列表中指定的每个模块/接口/ONU产生的告警将被接收并存储在独立告警记录表空间中；独占网元列表中未指定的每个模块/接口/ONU产生的告警将被接收并存储在公共告警记录表空间中；当OLT检测到本地模块/接口告警或接受到ONU告警后，根据独占网元列表配置，将告警分别送至告警记录表的对应独立空间或共享空间去。
每个独立告警记录表空间与公共告警记录表空间之间相互独立，且不能互相占用或覆盖。每个独立告警记录表空间采用固定或保证方式由指定模块/接口/ONU独占或优先分配，公共告警记录表空间采用共享方式，由其余模块/接口/ONU共同使用。固定方式指告警记录表空间被分配给指定模块/接口/ONU后，不论是否有对应的告警产生，相应告警记录表空间均为该模块/接口/ONU占用，不能被其他对象使用；保证方式指告警记录表空间被分配给指定模块/接口/ONU后，该模块/接口/ONU优先使用并占用该告警列表空间，当告警记录表空间存在空闲时，可以共享给其他非指定模块/接口/ONU使用或独占网元列表中的其他成员使用。
步骤803：xPON中OLT根据配置或指令，设置不同告警的优先级，并生成或更新相关告警优先级列表。高优先级告警在告警记录表满时或其他冲突情况下覆盖低优先级告警：当上述公共/独立告警记录表空间满时，高优先级告警会进入并存储于相关公共/独立告警列表空间中，并按一定策略覆盖低优先级告警条目。
当OLT检测或接受一条新告警时，由OLT判断其产生模块/接口/ONU信息与告警优先级信息，根据告警信息确定其存储空间，并在告警空间满的情况下决定其告警的处理方式：当新告警优先级比对应告警记录表中已经存在告警优先级为高时，则进入对应告警记录表空间，并覆盖告警记录表中的最早产生且未恢复的低优先级告警；当新告警优先级比对应告警记录表中已经存在告警优先级为低时，则丢弃；当新告警优先级与对应告警记录表中已经存在告警优先级相同时，则按OLT默认告警处理方式，覆盖或丢弃。
当OLT检测或接受一条告警恢复通知时，根据告警产生模块/接口/ONU信息，在对应告警记录表空间中恢复。当告警恢复通知对应的告警在其告警 记录表空间中不存在时，应直接透传给上层网管或其他运维系统。
步骤804：在xPON系统中当新增ONU完成注册认证后，正常接受OLT管理时，OLT根据ONU设备在独占网元列表中的配置，决定新增对应独立告警记录表空间或使用公共告警记录表接收并处理对应ONU设备的告警；
当新注册认证ONU在OLT的独占网元列表中，OLT将划分新的独立告警记录表空间用于接收存储该ONU对应的告警信息；当新注册认证ONU不在OLT的独占网元列表中，OLT使用公共告警记录表空间接收并存储相关告警。
当上述告警记录表空间未满时，根据时间逐次接收相应告警信息并存储；当上述告警记录表空间已满时，则根据告警优先级列表确认相关告警优先级，并采用对应处理方式；
步骤805：当ONU设备保持在线的情况下，OLT根据人机命令，网管或其他运维系统命令对独占网元列表中的成员(相关ONU或OLT相关模块/接口)以及响应的独立告警记录表空间进行维护；
当OLT检测到告警发生时，根据告警发生位置，将告警发送到对应的告警记录表空间中去，当告警信息来自独占网元列表中的成员时，则将相关告警送往其被分配的独立告警记录表空间中；当告警信息不是来自独占网元列表的成员时，则将相关告警发送到公共告警记录表空间中。
当独占网元列表中成员(模块/接口/ONU信息)或其优先级等属性发生变化时，OLT根据一定策略释放或新增相应独立告警记录表空间，并对告警记录表空间使用方式进行更新维护。
步骤806：当ONU设备离线情况时，OLT对已占用告警记录表空间不作处理，保持该ONU原有告警记录及其使用属性；
步骤807：当ONU设备在OLT上被删除后，OLT判断ONU属性，删除对应独占网元列表中相关内容，并释放对应已分配空间作公共告警记录表空间使用；
步骤808：OLT将当前新增告警及告警恢复通知消息实时上报网管及其他运维平台，保证通讯设备与网管及其他运维平台的告警同步。
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计算机程序流程来实现，所述计算机程序可以存储于一计算机可读存储介质中，所述计算机程序在相应的硬件平台上(如系统、设备、装置、器件等)执行，在执行时，包括方法实施例的步骤之一或其组合。
可选地，上述实施例的全部或部分步骤也可以使用集成电路来实现，这些步骤可以被分别制作成一个个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。
上述实施例中的装置/功能模块/功能单元可以采用通用的计算装置来实现，它们可以集中在单个的计算装置上，也可以分布在多个计算装置所组成的网络上。
上述实施例中的装置/功能模块/功能单元以软件功能模块的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。上述提到的计算机可读取存储介质可以是只读存储器，磁盘或光盘等。
工业实用性
本发明实施例将重要通讯设备成员的告警记录表与其他通讯设备的分隔开来存储，避免其他通讯设备海量告警信息导致告警列表溢出进而导致重要通讯设备(例如重要模块/ONU节点等)新产生告警丢失或原有未恢复告警被覆盖的问题，为在光线路终端设备上查询相应网元/模块工作状态、故障问题定位以及日常维护提供可靠依据。

Claims (15)

  1. 一种无源光网络设备告警信息处理方法，包括：
    光线路终端获取独占网元列表，为该独占网元列表中的每个成员分别创建独立告警记录表，并创建公共告警记录表；
    光线路终端检测到新告警信息后，当判定该新告警信息来自所述独占网元列表中的成员时，将该新告警信息存入该成员对应的独立告警记录表；当判定该新告警信息不是来自所述独占网元列表中的成员时，将该新告警信息存入所述公共告警记录表中。
  2. 如权利要求1所述的无源光网络设备告警信息处理方法，其中，所述独占网元列表中的成员为由光线路终端、网管服务器或运维系统指定的CPU、交换控制模块、时钟模块、业务线卡、接口和光网络单元中的至少一个。
  3. 如权利要求1所述的无源光网络设备告警信息处理方法，还包括：光线路终端在所述独占网元列表中有新成员加入时，为该新成员创建独立告警记录表；和/或光线路终端在所述独占网元列表中有成员退出时，释放之前为该成员创建的独立告警记录表；和/或光线路终端在所述独占网元列表中有成员处于离线状态时，保持该成员的独立告警记录表。
  4. 如权利要求1所述的无源光网络设备告警信息处理方法，其中，光线路终端为所述独占网元列表中的每个成员分别创建独立告警记录表后，还包括：根据每个成员的属性为每个成员对应的独立告警记录表设置使用方式。
  5. 如权利要求4所述的无源光网络设备告警信息处理方法，其中，所述使用方式包括固定方式和保证方式中的任意一种；
    所述固定方式为告警记录表空间被分配给对应的成员后只能存储来自该成员的告警信息；
    所述保证方式为告警记录表空间被分配给对应的成员后，优先存储来自该成员的告警信息，当该告警记录表空间存在空闲时可以共享出来供其他成员使用。
  6. 如权利要求1-5任一项所述的无源光网络设备告警信息处理方法，还 包括：光线路终端获取告警优先级列表，所述告警优先级列表中包含每个告警信息的优先级信息；
    光线路终端检测到新告警信息后，在该新告警信息对应的告警记录表存满的情况下，还包括根据所述告警优先级列表对所述新告警信息进行处理。
  7. 如权利要求6所述的无源光网络设备告警信息处理方法，其中，光线路终端根据所述告警优先级列表对所述新告警信息进行处理包括：
    光线路终端判断所述告警记录表中已存入的告警信息中是否存在优先级比所述新告警信息低的，如存在，则覆盖优先级比所述新告警信息低、且最早产生的一条告警信息将所述新告警信息在所述告警记录表进行存储；
    如所述告警记录表中已存入的告警信息中最低优先级等于所述新告警信息的优先级，则直接丢弃该新告警信息或覆盖优先级最低、且最早产生的一条告警信息将所述新告警信息在所述告警记录表进行存储；
    如所述告警记录表中已存入的告警信息中的优先级都比所述新告警信息的优先级高，则直接丢弃该新告警信息。
  8. 如权利要求1-5任一项所述的无源光网络设备告警信息处理方法，还包括：光线路终端检测到有告警恢复时，在对应的告警记录表中删除对应的告警信息。
  9. 一种光线路终端，包括网元列表获取模块、独立告警记录表创建模块、共享告警记录表创建模块以及处理模块；
    所述网元列表获取模块设置为：获取独占网元列表；
    所述独立告警记录表创建模块设置为：为所述独占网元列表中的每个成员分别创建独立告警记录表；
    所述共享告警记录表创建模块设置为：创建公共告警记录表；
    所述处理模块包括检测子模块、第一判断子模块和存储子模块；
    所述检测子模块设置为：检测新告警信息；所述第一判断子模块设置为：判定该新告警信息来自所述独占网元列表中的成员时，通知所述存储子模块将该新告警信息存入该成员对应的独立告警记录表；当判定该新告警信息不是来自所述独占网元列表中的成员时，通知所述存储子模块将该新告警 信息存入所述公共告警记录表中。
  10. 如权利要求9所述的光线路终端，还包括属性设置模块，设置为：在所述独立告警记录表创建模块为所述独占网元列表中的每个成员分别创建独立告警记录表后，根据每个成员的属性为每个成员对应的独立告警记录表设置使用方式。
  11. 如权利要求10所述的光线路终端，其中，所述属性设置模块包括固定方式设置子模块和保证方式设置子模块中的任意一种；
    所述固定方式设置子模块设置为：设置告警记录表空间被分配给对应的成员后只能存储来自该成员的告警信息；
    所述保证方式设置子模块设置为：设置告警记录表空间被分配给对应的成员后，优先存储来自该成员的告警信息，当该告警记录表空间存在空闲时可以共享出来供其他成员使用。
  12. 如权利要求9-11任一项所述的光线路终端，还包括告警优先级列表获取模块，所述处理模块还包括优先级处理子模块；
    所述告警优先级列表获取模块设置为：获取告警优先级列表，所述告警优先级列表中包含每个告警信息的优先级信息；
    所述优先级处理子模块设置为：在所述新告警信息对应的告警记录表存满的情况下，根据所述告警优先级列表对所述新告警信息进行处理。
  13. 如权利要求12所述的光线路终端，其中，所述优先级处理子模块包括比较子单元和决策子单元，所述比较子单元设置为：将所述告警记录表中已存入的告警信息的优先级与所述新告警信息的优先级进行比较；
    所述决策子单元设置为：在所述比较结果为所述告警记录表中已存入的告警信息中存在优先级比所述新告警信息低的，则确定覆盖优先级比所述新告警信息低、且最早产生的一条告警信息将所述新告警信息在所述告警记录表进行存储的策略；在所述比较结果为所述告警记录表中已存入的告警信息中最低优先级等于所述新告警信息的优先级时，则确定直接丢弃该新告警信息或覆盖优先级最低且最早产生的一条告警信息将所述新告警信息在所述告警记录表进行存储的策略；在所述比较结果为所述告警记录表中已存入的告 警信息中的优先级都比所述新告警信息的优先级高，则确定直接丢弃该新告警信息的策略。
  14. 如权利要求9-11任一项所述的光线路终端，还包括告警恢复检测模块和告警恢复处理模块，所述告警恢复检测模块设置为：检测告警是否恢复，所述告警恢复处理模块设置为：在所述告警恢复检测模块检测到有告警恢复时，在对应的告警记录表中删除对应的告警信息。
  15. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行权利要求1-8任一项的方法。
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