WO2021233322A1 - 记录数据同步方法、装置、设备和存储介质 - Google Patents

记录数据同步方法、装置、设备和存储介质 Download PDF

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Publication number
WO2021233322A1
WO2021233322A1 PCT/CN2021/094498 CN2021094498W WO2021233322A1 WO 2021233322 A1 WO2021233322 A1 WO 2021233322A1 CN 2021094498 W CN2021094498 W CN 2021094498W WO 2021233322 A1 WO2021233322 A1 WO 2021233322A1
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onu
online
offline
information
change information
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PCT/CN2021/094498
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English (en)
French (fr)
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张志坤
吴东
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中兴通讯股份有限公司
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/23—Updating
    • G06F16/2358—Change logging, detection, and notification
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/23—Updating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
    • G06F16/275—Synchronous replication
    • 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
    • H04B10/27—Arrangements for networking
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems

Definitions

  • This application relates to the field of wireless communication technology, for example, to a method, device, device, and storage medium for synchronizing recorded data.
  • Virtual Optical Line Terminal is a unified, open, and cloud-based system architecture based on Gigabit-capable Passive Optical Networks (GPON).
  • This architecture A standard optical network unit management control interface (Optical Network Unit Management and Control Interface, OMCI) software plug-in is defined in it to realize the decoupling of optical line terminal (Optical Line Terminal, OLT) and optical network unit (Optical Network Unit, ONU) equipment.
  • the vOLT system consists of the physical device layer, the virtualized device layer, and the element management system/software defined network (EMS/SDN) control layer.
  • the virtualized device layer combines the ONU on the original OLT device. After the OMCI management function is extracted, a componentized and standardized virtual device layer is formed.
  • the benefit of the virtualization layer is to realize the decoupling of OLT and ONU equipment.
  • the upgrade of ONU equipment requires network deployment to upgrade all OLT equipment in the entire network at the same time. After the virtualization layer is adopted, the ONU equipment upgrade only needs to be performed on the virtual layer.
  • the software upgrade greatly simplifies the operation and maintenance workload.
  • the virtualization layer includes the management and control processing subsystem and the virtual optical network unit management and control interface (Virtual ONU Management and Control Interface, vOMCI) subsystem.
  • the vOMCI subsystem receives messages from the management and control processing subsystem, converts them into standard OMCI messages, and passes and distributes them
  • the interface of the distributed optical line terminal (Distributed Optical Line Terminal, dOLT) device transparently transmits the message to the ONU device to realize the management of the ONU device.
  • the interfaces between the vOMCI subsystem, the management and control processing subsystem and the dOLT equipment are all standardized interfaces.
  • the management and control processing subsystem is the data core, responsible for processing the business logic related to the manufacturer, and passing the instructions to the vOMCI system through a standardized interface.
  • vOLT During the operation of vOLT on the live network, there may be a disconnection between the vOMCI subsystem and the management and control subsystem.
  • the reasons for the disconnection include the abnormal exit of the vOMCI subsystem or network interruption.
  • the ONU goes online and offline. The information cannot be sent to the vOMCI subsystem, which affects the normal operation of ONU services.
  • the vOMCI subsystem saves ONU status data and ONU service data.
  • the ONU status data in the vOMCI subsystem should be updated to the latest.
  • This application provides a recording data synchronization method, device, equipment and storage medium.
  • a method for synchronizing recorded data is provided, which is applied to the sending end, and the method includes: storing state change information according to the online and offline information of the ONU of the optical network unit when disconnected from the receiving end; and reconnecting with the receiving end When a connection is established, the ONU record data is synchronized to the receiving end according to the status change information.
  • a recording data synchronization method is also provided, which is applied to the receiving end, and the method includes: receiving ONU recording data sent by the transmitting end when the connection with the transmitting end is re-established; and storing the ONU recording data locally.
  • a recording data synchronization device is also provided, which is applied to the sending end, and the device includes: a synchronization table module configured to store status change information according to the online and offline information of the ONU of the optical network unit when disconnected from the receiving end; The data synchronization module is configured to synchronize the ONU record data to the receiving end according to the status change information when the connection with the receiving end is re-established.
  • a recording data synchronization device is also provided, which is applied to the receiving end.
  • the device includes: a receiving module configured to receive ONU record data sent by the transmitting end when the connection is re-established with the transmitting end; and a storage module configured to The ONU record data is stored locally.
  • a device which includes: one or more processors; a memory, configured to store one or more programs, and when the one or more programs are executed by the one or more processors, all The one or more processors implement the recorded data synchronization method as described in any of the embodiments of the present application.
  • a computer-readable storage medium which stores a computer program, and when the computer program is executed by a processor, the method for synchronizing recorded data as described in any one of the embodiments of the present application is realized.
  • Figure 1 is an overall architecture diagram of vOLT in an embodiment of the present application
  • FIG. 2 is a processing sequence diagram of the vOLT system when the ONU goes online in an embodiment of the present application;
  • FIG. 3 is a processing sequence diagram of the vOLT system when the ONU goes offline in an embodiment of the present application
  • FIG. 5 is a flowchart of another method for synchronizing recorded data provided in an embodiment of the present application.
  • FIG. 6 is a flowchart of another method for synchronizing recorded data provided in an embodiment of the present application.
  • FIG. 7 is an example diagram of ONU online processing provided in an embodiment of the present application.
  • FIG. 8 is an example diagram of ONU online and offline processing provided in an embodiment of the present application.
  • FIG. 9 is an example diagram of ONU offline processing provided in an embodiment of the present application.
  • FIG. 10 is an example diagram of an ONU offline and online processing provided in an embodiment of the present application.
  • FIG. 11 is an example diagram of recording data synchronization provided in an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a recorded data synchronization device provided in an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of another device for synchronizing recorded data provided in an embodiment of the present application.
  • Fig. 14 is a schematic structural diagram of a device provided in an embodiment of the present application.
  • GPON-based optical fiber access networks have gradually become the current mainstream access architecture and are widely used worldwide.
  • network applications telecommunication networks have become more and more complex, and network utilization has been low. Maintenance costs continue to rise.
  • the current Internet application traffic is growing exponentially, and the number of users is increasing exponentially.
  • New businesses such as social networking, e-commerce, Internet+, digital media, and Machine-to-Machine (M2M) are emerging in an endless stream.
  • Over The Top (OTT) fully penetrates into the telecom network, OTT application costs are lower and innovation is faster.
  • ICT Information Communications Technology
  • NFV Network Function Virtualization
  • Xas a service XaaS
  • cloud other technical means to achieve capability opening, efficient business development and deployment, and intelligent operation and maintenance.
  • the vOLT system architecture consists of a physical device layer, a virtualized device layer, and an EMS/SDN controller layer.
  • the virtualization layer includes a management and control subsystem and a vOMCI subsystem.
  • the vOMCI subsystem receives messages from the management, control and processing subsystem and converts them into standard OMCI. The message is transparently transmitted to the ONU device through the interface with the dOLT device to realize the management of the ONU device.
  • Figure 1 is a diagram of the overall architecture of vOLT in an embodiment of this application. See Figure 1.
  • the management and control processing subsystem receives EMS/SDN controller messages, converts them into vOMCI messages and sends them to the vOMCI subsystem, and the physical OLT device sends the OMCI messages sent by the vOMCI subsystem. Transparent transmission to ONU equipment.
  • the management and control processing subsystem is the data core, responsible for processing the business logic related to the manufacturer, and passing the instructions to the vOMCI subsystem through a standardized interface.
  • the virtualization device layer needs to process a large number of ONU online and offline requests at the same time.
  • the dOLT notifies the management and control processing subsystem of the ONU status change message, and the management and control processing subsystem then uses the standard interface OnuStateChangeNotify to notify the ONU status
  • the change notification message is sent to the vOMCI subsystem.
  • the processing sequence diagram of the vOLT system of ONU on-line and off-line is shown in FIG. 2 and FIG. 3.
  • vOLT During the operation of vOLT on the live network, there may be disconnection between the vOMCI subsystem and the management and control subsystem.
  • the reasons for the disconnection include abnormal exit of the vOMCI subsystem or network interruption.
  • the ONU offline status message It will not be sent to the vOMCI subsystem, which will affect the normal operation of ONU services.
  • the vOMCI subsystem saves ONU status data and ONU service data.
  • the ONU status data in the vOMCI subsystem should be updated to the latest.
  • the disconnection of the link between the management and control subsystem and the vOMCI subsystem is a sudden major abnormal event.
  • the management and control processing subsystem records the ONU status changes that occurred during the disconnection period, and then after the management and control processing subsystem and the vOMCI subsystem link are restored, the management and control processing subsystem passes the standard
  • the interface OnuStateChangeNotify sends the changed ONU status data to the vOMCI subsystem to realize the synchronization of ONU data, reduce the interaction data between the two subsystems, and improve the update speed of the ONU status data.
  • FIG. 4 is a flowchart of a method for synchronizing recorded data provided in an embodiment of the present application.
  • the embodiment of the present application is applicable to a situation where the ONU data of the management and control subsystem is synchronized to the vOMCI subsystem after the interruption chain of the vOLT system is restored. It can be executed by a recording data synchronization device, which can be implemented by software and/or hardware, and generally can be integrated in the sending end.
  • the method of the embodiment of the present application includes the following steps.
  • Step 100 When disconnecting from the receiving end, store state change information according to the online and offline information of the ONU of the optical network unit.
  • the receiving end may be a device that receives the data recorded by the ONU, or the vOMCI subsystem. Due to the abnormal exit of the vOMCI subsystem or network interruption, there is a disconnection with the transmitting end management and processing subsystem.
  • the optical network unit ONU is the user-side equipment of the Gigabit passive optical network system. It receives services transmitted from the optical line terminal through the passive optical fiber network.
  • the optical network unit ONU has two functions, including selecting the broadcast sent by the optical line terminal It can receive, collect and buffer the Ethernet data that users need to send, and send the Ethernet data to the optical line terminal according to the assigned sending window.
  • the status change information indicates the online or offline status of the ONU of the optical network unit.
  • the status change information is used to record the online or offline status change information of multiple optical network unit ONUs within the time of disconnection from the receiving end.
  • the sending end when the optical network unit ONU goes online or goes offline, the sending end is notified of online and offline information, where the online and offline information includes ONU online notification information and ONU offline notification information.
  • the status information of the ONU of the optical network unit cannot be synchronized from the sending end to the receiving end in time.
  • the sending end receives the online and offline information of the ONU of the optical network unit, the optical network unit's status information is based on the online and offline information.
  • the online status or offline status changes are stored. For example, the ONU of the optical network unit changes from an offline state to an online state, and sends an online notification message to the sending end, and the sending end records the status change information of the ONU as changing from the offline state to the online state.
  • Step 110 When the connection with the receiving end is re-established, the ONU record data is synchronized to the receiving end according to the status change information.
  • ONU record data is a component of state change information. Different ONU record data corresponds to different ONUs. If the state of the ONU changes within the time of disconnection from the receiving end, the ONU record data corresponding to the ONU is stored in the state change information. ONU record data may include ONU identification number, online information and offline information, etc.
  • the ONU record data of the ONU of the optical network unit that has changed state needs to be synchronized to the receiving end, and the ONU record data can be sent to the receiving end through the state change information, for example, select the state change information
  • the receiving end stores the ONU record data to realize the synchronization of the ONU data of the sending end and the receiving end.
  • step 100 does not have a sequence restriction.
  • Step 100 can be executed multiple times and then step 110 can be executed again, and step 110 can also be executed before step 100.
  • the state change information is stored according to the online and offline information of the ONU of the optical network unit when the transmitting end is disconnected from the receiving end.
  • the state change information is synchronized with the ONU record data.
  • the synchronization of ONU status data during failure recovery is realized, which reduces the amount of data processing during the synchronization process and improves the data synchronization speed.
  • the state change information is stored based on the online and offline information of the ONU of the optical network unit when the connection is disconnected from the receiving end, and the ONU record data is synchronized according to the state change information when the connection with the receiving end is re-established To the receiving end, it realizes the synchronization of the ONU recording data in the case of a connection failure, reducing the instantaneous data volume of the receiving end when the failure is restored, reducing the recording data transmission time, and improving the synchronization efficiency of the recording data.
  • the state change information includes at least one of the following: current state, state before link disconnection, ONU identification number, and synchronization flag.
  • the current state is that the ONU of the optical network unit determines the current online state or offline state based on the online and offline information;
  • the state before the disconnection is the state of the optical network unit ONU before disconnecting from the receiving end, because the management and control subsystem controls vOMCI Subsystem, the management and control subsystem stores the state information of multiple optical network unit ONUs before disconnecting from the vOMCI subsystem.
  • the state before the disconnection is obtained by querying the local storage;
  • the ONU identification number is the unique identification of the optical network unit ONU. It is used to distinguish different optical network unit ONUs.
  • the synchronization mark is a mark that identifies whether the ONU record data is synchronized when the sending end and the receiving end are connected.
  • the current state is different from the state before the disconnection, which can indicate that the ONU has changed and needs to be synchronized. Therefore, the synchronization flag can be marked as Yes, the current state is the same as the state before the link is disconnected, and both are online.
  • the ONU needs to work at the receiving end to trigger the online process, so the synchronization flag can also be marked as Yes, and the current state is the same as the state before the link is disconnected. And all are offline, the ONU does not need to work after reconnecting, therefore, there is no need to synchronize the ONU record data, and the synchronization flag is indicated as No.
  • the status change information is stored as an information table t, which is composed of multiple ONU record data.
  • the information table t can include four attributes a, b, c, and d, and the attribute a is equal to the ONU identification number.
  • the attribute b is equal to the current state and is used to represent the current actual state of the ONU of the optical network unit.
  • the value of the attribute b is an enumerated value, including "online" and "offline”.
  • the attribute c is equal to the state before disconnection, which is used to indicate the ONU status of the optical network unit saved at the sending end before the receiving end and the sending end are disconnected.
  • the value of attribute c is an enumerated value, including “online” and “offline” ".
  • the attribute d is equal to the synchronization flag, which is used to indicate whether the ONU record data needs to be synchronized to the receiving end.
  • the value of the attribute d is a Boolean value, including "true” or "false”. If the value is true, it means that the ONU record needs to be sent to At the receiving end, if the value is false, it means that the ONU record data does not need to be sent to the receiving end.
  • FIG. 5 is a flowchart of another method for synchronizing recorded data provided in an embodiment of the present application. This embodiment is based on the above-mentioned application embodiment. Referring to FIG. 5, the method for synchronizing recorded data provided in an embodiment of the present application includes the following steps.
  • Step 200 Acquire online and offline information of the ONU of the optical network unit in the case of disconnecting from the receiving end.
  • multiple optical network units can be monitored to obtain the online notification information and offline notification information sent to the sending end when the optical network unit is online or offline.
  • Step 210 If the state change information of the optical network unit ONU is not stored, store the state change information of the optical network unit ONU according to the online and offline information.
  • the status change information of the optical network unit ONU may have been stored, so it is necessary to determine whether The status change information of the ONU of the optical network unit has been stored. If it has not been stored, the current status is determined according to the online and offline information, and the pre-disconnection status and synchronization flag of the ONU of the optical network unit will be obtained.
  • the pre-chain state, current state, and synchronization flag are stored in the state change information as the ONU record data corresponding to the ONU.
  • Step 220 If the state change information of the ONU of the optical network unit is stored, change the current state and synchronization flag in the state change information according to the online and offline information.
  • the current status of the ONU of the optical network unit is changed due to the re-received online and offline information, and the status change information can be changed according to the online and offline information.
  • the current status for example, if the online and offline information is online information, the current status corresponding to the ONU of the optical network unit in the status change information is modified to the online status; if the online and offline information is offline, the optical network unit in the status change information is changed
  • the current state corresponding to the network unit ONU is changed to an offline state. After changing the current state, you can also change the synchronization flag. If the current state and the state before the link disconnection are both offline, you can change the synchronization flag to No. In other cases, you can leave the synchronization flag unchanged.
  • Step 230 In the case of re-establishing the connection with the receiving end, obtain the ONU record data whose synchronization flag is Yes in the status change information.
  • the synchronization mark indicates that the ONU record data needs to be synchronized to the receiving end.
  • the synchronization mark indicates that the state before the disconnection is different from the current state, and the online state of the optical network unit ONU changes when the connection is re-established.
  • the ONU record data In the status change information, determine the ONU record data in turn. If the synchronization flag in the ONU record data is yes, read the ONU record data; otherwise, determine the next ONU record data until all ONU record data in the status change information After being judged all, you can read all the ONU record data whose synchronization flag is yes.
  • Step 240 Send the ONU record data to the receiving end to realize ONU record data synchronization.
  • the acquired ONU record data may be sent to the receiving end, and the receiving end stores the acquired ONU record data to realize data synchronization between the receiving end and the sending end.
  • the receiving end may also send a message back to the sending end to notify the completion of synchronization after the synchronization of the ONU recording data is completed.
  • Step 250 Determine that the ONU record data is synchronized to the receiving end, and delete the ONU record data corresponding to the state change information.
  • the sending end When the sending end finishes sending the ONU record data or receives the feedback information from the receiving end, it can delete the corresponding ONU record data in the status change information.
  • the sending end when all ONU record data with a synchronization flag of yes in the status change information are deleted, all remaining ONU data records in the status change information can be deleted, and the sender and receiver will be disconnected next time.
  • the online and offline information of the ONU of the optical network unit is obtained when disconnected from the receiving end. If the ONU status change information of the optical network unit is not stored, the status change information is stored according to the online and offline information, Otherwise, the current status is changed according to the online and offline information, and when the connection is re-established with the receiving end, the ONU record data with the synchronization flag in the status change information is obtained and sent, and only the ONU record data whose status has changed is sent through the synchronization flag. , Reduce the scale of data communication, solve the problem of network congestion between the sending end and the receiving end due to the large data scale, realize incremental data synchronization through state change information, improve the data synchronization speed, and reduce the receiving end system recovery time .
  • the changing the current state in the state change information according to the online and offline information includes:
  • the online and offline information is online notification information
  • the current status in the status change information is changed to online
  • the online and offline information is offline notification information
  • the current status in the status change information is changed It is offline
  • the synchronization flag is changed to No.
  • the current status corresponding to the ONU of the optical network unit in the status change information corresponds to the online and offline information.
  • the online and offline information is online notification information
  • the current status corresponding to the ONU is online
  • the online and offline information is Offline notification information
  • the current status corresponding to the ONU is offline.
  • the current status is changed, if the current status and the status before the disconnection are both offline, it is determined that the ONU status does not change, and there is no need to synchronize the ONU record data of the ONU. Therefore, change the synchronization flag to No.
  • storing the state change information of the ONU of the optical network unit according to the online and offline information includes: obtaining the state before the disconnection of the ONU corresponding to the optical network unit, and according to the online and offline information Determine the current state; determine the synchronization flag according to the state before the link disconnection and the current state; store the state before the link disconnection, the current state, and the synchronization flag according to the ONU identification number of the optical network unit ONU Status change information.
  • the optical network unit ONU searches for the pre-stored state before disconnection locally, and determines the current state according to the online and offline information. If the online and offline information is online information, the current state is the online state. The online and offline information is offline information, and the current status is offline. Determine the synchronization flag according to the current state and the state before the link is disconnected. If the current state and the state before the link are both offline, the ONU state can be considered unchanged, the synchronization flag can be No, in other cases, the synchronization flag can be Yes.
  • the acquired state before the disconnection of the ONU of the optical network unit, the current state and the synchronization flag are stored as the ONU record data corresponding to the ONU in the state change information, and different ONU record data can be stored in association with the corresponding ONU identification number.
  • Fig. 6 is a flowchart of another method for synchronizing recorded data provided in an embodiment of the present application.
  • the embodiment of the present application is applicable to the situation where the ONU data of the management and control subsystem is synchronized to the vOMCI subsystem after the interruption of the vOLT system is restored.
  • the method can be executed by a recording data synchronization device, which can be implemented by software and/or hardware, and generally can be integrated in the receiving end.
  • the method of the embodiment of the present application includes the following steps.
  • Step 300 When the connection with the sending end is re-established, the ONU record data sent by the sending end is received.
  • the receiving end When the receiving end re-establishes a connection with the sending end, for example, when the vOMCI subsystem recovers from an abnormal exit or a network interruption, the receiving end can re-receive the data sent by the sending end, and the receiving end can obtain the ONU record data sent by the sending end.
  • Step 310 Store the ONU record data locally.
  • the receiving end stores the received ONU record data locally, so that the locally stored ONU state is the same as the ONU state stored at the transmitting end, and data synchronization between the receiving end and the transmitting end is realized.
  • the ONU record data sent by the sending end is obtained and stored, thereby realizing record data synchronization, reducing the amount of data processing during the recording data synchronization process, and reducing the receiving end’s failure recovery
  • the instantaneous pressure at time increases the synchronization speed of recorded data.
  • receiving the ONU record data sent by the sending end includes: obtaining the ONU record data sent by the sending end based on the standard interface OnuStateChangeNotify.
  • control and processing subsystem in the sending end and the vOMCI subsystem in the receiving end exchange data through the standard interface OnuStateChangeNotify, and the receiving end can realize the acquisition process by monitoring the ONU record data in the standard interface OnuStateChangeNotify.
  • the state change information is stored as an information table t.
  • the information table t is composed of multiple ONU record data.
  • the information table t can include four attributes a, b, c, and d.
  • the attribute a is equal to the ONU identification number. This attribute value can uniquely identify an optical network unit ONU in the operator's network.
  • the attribute b is equal to the current state and is used to represent the current actual state of the ONU of the optical network unit.
  • the value of the attribute b is an enumerated value, including "online" and "offline”.
  • the attribute c is equal to the state before disconnection, which is used to indicate the ONU status of the optical network unit saved at the sending end before the receiving end and the sending end are disconnected.
  • the value of attribute c is an enumerated value, including “online” and “offline” ".
  • the attribute d is equal to the synchronization flag, which is used to indicate whether the ONU record data needs to be synchronized to the receiving end.
  • the value of the attribute d is a Boolean value, including "true” or "false”. If the value is true, it means that the ONU record needs to be sent to At the receiving end, if the value is false, it means that the ONU record data does not need to be sent to the receiving end.
  • FIG. 7 is an example diagram of ONU online processing provided in an embodiment of the present application, see FIG. 7 .
  • Step 101 The dOLT sends the online notification message of ONU a to the management and control processing subsystem, and the management and control subsystem receives the online notification message of ONU a.
  • Step 102 Determine whether the vOMCI subsystem has been disconnected, and determine that the vOMCI system has been disconnected at this time.
  • Step 103 Determine whether there is ONU record data containing a in the information table t, and determine that there is no ONU record data containing a in t at this time.
  • Step 104 Step 101: The dOLT sends the online notification message of ONU a to the management and control processing subsystem, and the management and control subsystem receives the online notification message of ONU a.
  • Step 102 Determine whether the vOMCI subsystem has been disconnected, and determine that the vOMCI system has been disconnected at this time.
  • Step 103 Determine whether there is ONU record data
  • the management and control processing subsystem needs to add a piece of ONU record data to the information table t. Since the current ONU is online, it can be judged that the ONU status saved locally by vOMCI is'offline' and the ONU status has changed.
  • FIG. 8 is an ONU online and offline processing provided in an embodiment of the present application.
  • the dOLT sends the offline notification message of the ONU a to the management and control processing subsystem, and the management and control processing subsystem receives the offline notification message of the ONU a.
  • Step 202 Determine whether the vOMCI subsystem has been disconnected, and determine that the vOMCI system has been disconnected at this time.
  • Step 203 Determine whether there is ONU record data containing a in the information table t, and determine that there is ONU record data containing a in the information table t at this time.
  • FIG. 9 is an example diagram of an ONU offline processing provided in an embodiment of the present application, see In Figure 9, step 301, the dOLT sends the offline notification message of the ONU a to the management and control processing subsystem, and the management and control subsystem receives the offline notification message of the ONU a.
  • Step 302 Determine whether the vOMCI subsystem has been disconnected, and determine that the vOMCI system has been disconnected at this time.
  • Step 303 Determine whether there is ONU record data containing a in the information table t, and determine that there is no ONU record data containing ONU a in the information table t at this time.
  • FIG. 10 is an ONU offline and online processing provided in an embodiment of the present application.
  • the dOLT sends the offline notification message of the ONU a to the management and control processing subsystem, and the management and control subsystem receives the offline notification message of the ONU a.
  • Step 402 Determine whether the vOMCI subsystem has been disconnected, and determine that the vOMCI system has been disconnected at this time.
  • Step 403 Determine whether there is ONU record data containing a in the information table t, and determine that there is ONU record data containing ONU a in the information table t at this time.
  • the ONU status needs to be synchronized because The ONU service is normal, and the ONU online process must be triggered in the vOMCI subsystem. Therefore, td cannot be modified to'false'.
  • FIG. 11 is an example diagram of recording data synchronization provided in an embodiment of the present application. See FIG. 11, step 501, vOMCI subsystem Restart, and then successfully connect to the management and control processing subsystem. After the management and control processing subsystem detects that the vOMCI subsystem has resumed the connection, it triggers the ONU state synchronization process.
  • Step 504 Clear all data in the t list in the management and control subsystem, indicating that the synchronization of the ONU record data of the vOLT management and control subsystem and the vOMCI subsystem is completed.
  • FIG. 12 is a schematic structural diagram of a recorded data synchronization device provided in an embodiment of the present application, which can execute the recorded data synchronization method provided in any embodiment of the present application, and has the functional modules and effects corresponding to the execution method.
  • the device can be implemented by software and/or hardware, and includes: a synchronization table module 10 and a data synchronization module 11.
  • the synchronization table module 10 is configured to store state change information according to the online and offline information of the ONU of the optical network unit when disconnected from the receiving end.
  • the data synchronization module 11 is configured to synchronize the ONU record data to the receiving end according to the state change information when the connection with the receiving end is re-established.
  • the state change information is stored according to the online and offline information of the optical network unit ONU.
  • the data synchronization module 11 stores state change information according to the state change information.
  • the ONU record data that has changed status is synchronized to the receiving end, which realizes the synchronization of the ONU status data during failure recovery, reduces the amount of data processing during the synchronization process, and improves the data synchronization speed.
  • the state change information includes at least one of the following: current state, state before link disconnection, ONU identification number, and synchronization flag.
  • the synchronization table module 10 includes:
  • the information acquisition unit is configured to acquire the online and offline information of the ONU of the optical network unit.
  • the first storage unit is configured to store the state change information of the optical network unit ONU according to the online and offline information if the state change information of the optical network unit ONU is not stored.
  • the second storage unit is configured to, if the state change information of the ONU of the optical network unit is stored, change the current state and synchronization flag in the state change information according to the online and offline information.
  • the second storage unit is set as:
  • the online and offline information is online notification information
  • the current status in the status change information is changed to online
  • the online and offline information is offline notification information
  • the current status in the status change information is changed It is offline
  • the synchronization flag is changed to No.
  • the data synchronization module 11 includes:
  • the record selection unit is configured to obtain the ONU record data whose synchronization flag is Yes in the status change information.
  • the data sending unit is configured to send the ONU record data to the receiving end to realize ONU record data synchronization.
  • the first storage unit is set to:
  • the identification number stores the state before the link disconnection, the current state, and the synchronization mark in the state change information.
  • the clearing module is configured to determine that the ONU record data is synchronized to the receiving end, and delete the ONU record data corresponding to the status change information.
  • FIG. 13 is a schematic structural diagram of another recorded data synchronization device provided in an embodiment of the present application, which can execute the recorded data synchronization method provided by any embodiment of the present application, and has corresponding functional modules and effects for the execution method.
  • the device may be implemented by software and/or hardware, and includes: a receiving module 20 and a storage module 21.
  • the receiving module 20 is configured to receive the ONU record data sent by the sending end when the connection with the sending end is re-established.
  • the storage module 21 is configured to store the ONU record data locally.
  • the receiving module 20 and the storage module 21 obtain and store the ONU record data sent by the sending end after the connection with the sending end is restored, thereby achieving record data synchronization and reducing data processing in the process of record data synchronization. It reduces the instantaneous pressure on the receiving end when the fault is restored, and improves the synchronization speed of recorded data.
  • the receiving module 20 is configured to obtain the ONU record data sent by the sending end based on the standard interface OnuStateChangeNotify.
  • FIG. 14 is a schematic structural diagram of a device provided in an embodiment of the present application.
  • the device includes a processor 30, a memory 31, an input device 32, and an output device 33; the number of processors 30 in the device may be One or more, one processor 30 is taken as an example in FIG. 14; the processor 30, the memory 31, the input device 32, and the output device 33 in the device may be connected by a bus or other methods. In FIG. 14, the connection by a bus is taken as an example.
  • the memory 31 can be used to store software programs, computer-executable programs, and modules, such as the modules corresponding to the recording data synchronization device in the embodiment of the present application (synchronization table module 10, data synchronization module 11, and /Or receiving module 20, storage module 21).
  • the processor 30 executes various functional applications and data processing of the device by running the software programs, instructions, and modules stored in the memory 31, that is, realizes the above-mentioned method.
  • the memory 31 may include a program storage area and a data storage area.
  • the program storage area may store an operating system and an application program required by at least one function; the data storage area may store data created according to the use of the terminal, and the like.
  • the memory 31 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage devices.
  • the memory 31 may include a memory remotely provided with respect to the processor 30, and these remote memories may be connected to the device through a network. Examples of the aforementioned networks include the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.
  • the input device 32 may be configured to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the device.
  • the output device 33 may include a display device such as a display screen.
  • the embodiment of the present application also provides a computer-readable storage medium.
  • a method for synchronizing recorded data is performed.
  • the method includes: in the case of disconnecting from the receiving end, Store status change information according to the online and offline information of the ONU of the optical network unit; in the case of re-establishing the connection with the receiving end, synchronize the ONU record data to the receiving end according to the status change information, and/or In the case that the sending end re-establishes the connection, the ONU record data sent by the sending end is received; the ONU record data is stored locally.
  • An embodiment of the present application provides a storage medium containing computer-executable instructions.
  • the computer-executable instructions are not limited to the method operations described above, and can also execute the related recording data synchronization method provided by any embodiment of the present application. operate.
  • the user terminal covers any suitable type of wireless user equipment, such as a mobile phone, a portable data processing device, a portable web browser, or a vehicle-mounted mobile station.
  • wireless user equipment such as a mobile phone, a portable data processing device, a portable web browser, or a vehicle-mounted mobile station.
  • the embodiments of the present application may be implemented by executing computer program instructions by a data processor of a mobile device, for example, in a processor entity, or by hardware, or by a combination of software and hardware.
  • Computer program instructions can be assembly instructions, Industry Subversive Alliance (ISA) instructions, machine instructions, machine-related instructions, microcode, firmware instructions, status setting data, or written in any combination of one or more programming languages Source code or object code.
  • ISA Industry Subversive Alliance
  • the block diagram of any logic flow in the drawings of the present application may represent program steps, or may represent interconnected logic circuits, modules, and functions, or may represent a combination of program steps and logic circuits, modules, and functions.
  • the computer program can be stored on the memory.
  • the memory can be of any type suitable for the local technical environment and can be implemented using any suitable data storage technology, such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), optical memory devices, and System (Digital Video Disk (DVD) or Portable Compact Disc (CD)), etc.
  • Computer-readable media may include non-transitory storage media.
  • the data processor can be any type suitable for the local technical environment, such as general-purpose computers, special-purpose computers, microprocessors, digital signal processors (DSP), application specific integrated circuits (ASICs), and Programmable logic devices (Field Programmable Gate Array, FPGA) and processors based on multi-core processor architecture.
  • DSP digital signal processors
  • ASICs application specific integrated circuits
  • FPGA Field Programmable Gate Array

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Abstract

一种记录数据同步方法、装置、设备和存储介质，其中，记录数据同步方法包括：在与接收端断开连接的情况下，根据光网络单元ONU的上下线信息存储状态变更信息（100）；在与接收端重新建立连接的情况下，根据状态变更信息将ONU记录数据同步到所述接收端（110）。

Description

记录数据同步方法、装置、设备和存储介质 技术领域
本申请涉及无线通讯技术领域，例如涉及一种记录数据同步方法、装置、设备和存储介质。
背景技术
虚拟光线路终端(Virtual Optical Line Terminal，vOLT)是一种基于具有千兆位功能的无源光网络(Gigabit-capable Passive Optical Networks，GPON)的统一、开放、且云化的系统架构，该架构中定义了标准光网络单元管理控制接口(Optical Network Unit Management and Control Interface，OMCI)软件插件，实现光线路终端(Optical Line Terminal，OLT)和光网络单元(Optical Network Unit，ONU)设备的解耦。vOLT系统由物理设备层、虚拟化设备层和网元管理系统/软件定义网络(Element Management System/Software Defined Network，EMS/SDN)控制层组成，虚拟化设备层是将原有OLT设备上ONU的OMCI管理功能抽取后形成组件化和标准化的虚拟化设备层。虚拟化层带来的好处是实现OLT和ONU设备的解耦，ONU设备升级需要网络部署负责同时升级全网所有OLT设备，而采用虚拟化层后，ONU设备升级仅需要对级虚拟化层进行软件升级，极大地简化了运维工作量。虚拟化层包含管控处理子系统和虚拟光网络单元管理控制接口(Virtual ONU Management and Control Interface，vOMCI)子系统，vOMCI子系统接收管控处理子系统的消息，转化成标准OMCI消息，并通过与分布式光线路终端(Distributed Optical Line Terminal，dOLT)设备的接口，将消息透传到ONU设备，实现对ONU设备的管理。vOMCI子系统、管控处理子系统和dOLT设备间接口都是标准化接口。管控处理子系统是数据核心，负责处理厂家相关的业务逻辑，并将指令通过标准化接口传递到vOMCI系统。
在vOLT现网运行过程中，可能会出现vOMCI子系统与管控子系统断链的情况，断链原因包括vOMCI子系统异常退出或者网络中断等原因，在vOMCI子系统断链期间，ONU上下线状态信息无法发送给vOMCI子系统，从而影响ONU业务正常运行。vOMCI子系统会保存ONU状态数据与ONU业务数据，当vOMCI子系统与管控子系统恢复连接后，vOMCI子系统中的ONU状态数据应该更新为最新。由于vOLT现网中ONU数据量常常达到百万数据量级别，通讯量过大，导致处理时长过长，对vOMCI子系统和管控子系统的性能产生冲击。
发明内容
本申请提供了一种记录数据同步方法、装置、设备和存储介质。
提供了一种记录数据同步方法，应用于发送端，该方法包括：在与接收端断开连接的情况下，根据光网络单元ONU的上下线信息存储状态变更信息；在与所述接收端重新建立连接的情况下，根据所述状态变更信息将ONU记录数据同步到所述接收端。
还提供了一种记录数据同步方法，应用于接收端，该方法包括：在与发送端重新建立连接的情况下，接收发送端发送的ONU记录数据；将所述ONU记录数据存储在本地。
还提供了一种记录数据同步装置，应用于发送端，该装置包括：同步表模块，设置为在与接收端断开连接的情况下，根据光网络单元ONU的上下线信息存储状态变更信息；数据同步模块，设置为在与所述接收端重新建立连接的情况下，根据所述状态变更信息将ONU记录数据同步到所述接收端。
还提供了一种记录数据同步装置，应用于接收端，该装置包括：接收模块，设置为在与发送端重新建立连接的情况下，接收发送端发送的ONU记录数据；存储模块，设置为将所述ONU记录数据存储在本地。
还提供了一种设备，该设备包括：一个或多个处理器；存储器，设置为存储一个或多个程序，当所述一个或多个程序被所述一个或多个处理器执行，使得所述一个或多个处理器实现如本申请实施例中任一所述的记录数据同步方法。
还提供了一种计算机可读存储介质，存储有计算机程序，该计算机程序被处理器执行时实现如本申请实施例中任一所述的记录数据同步方法。
附图说明
图1是本申请实施例中vOLT总体架构图；
图2是本申请实施例中ONU上线的vOLT系统处理时序图；
图3是本申请实施例中ONU下线的vOLT系统处理时序图；
图4是本申请实施例中提供的一种记录数据同步方法的流程图；
图5是本申请实施例中提供的另一种记录数据同步方法的流程图；
图6是本申请实施例中提供的另一种记录数据同步方法的流程图；
图7是本申请实施例中提供的一种ONU上线处理的示例图；
图8是本申请实施例中提供的一种ONU上线又下线处理的示例图；
图9是本申请实施例中提供的一种ONU下线处理的示例图；
图10是本申请实施例中提供的一种ONU下线又上线处理的示例图；
图11是本申请实施例中提供的一种记录数据同步的示例图；
图12是本申请实施例中提供的一种记录数据同步装置的结构示意图；
图13是本申请实施例中提供的另一种记录数据同步装置的结构示意图；
图14是本申请实施例中提供的一种设备的结构示意图。
具体实施方式
下文中将结合附图对本申请的实施例进行说明。在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
近些年来，基于GPON的光纤接入网已经逐步成为当前主流接入架构，在全球范围内得到广泛应用，随着网络应用的发展，电信网络变得越来越复杂，网络利用率低下，运维成本不断上升。当前互联网应用流量正在井喷式增长，用户数量指数化增长，社交网络、电子商务、互联网+、数字媒体、以及机器对机器(Machine-to-Machine，M2M)等新业务层出不穷，过顶传球(Over The Top，OTT)向电信网络全面渗透，OTT应用成本更低、创新更快。为了使用新业务的发展，电信网络运营商需要向信息通信技术(Information Communications Technology，ICT)发展，通过SDN/网络功能虚拟化(Network Function Virtualization，NFV)、一切皆服务(X as a service，XaaS)、以及云等技术手段，实现能力开放、高效业务开发部署、智能运维。
基于GPON网络的统一、开放、和云化的vOLT系统架构，定义了标准OMCI软件插件，实现OLT和ONU设备的解耦。vOLT系统架构由物理设备层、虚拟化设备层和EMS/SDN控制器层组成，其中，虚拟化层包括管控子系统和vOMCI子系统，vOMCI子系统接收管控处理子系统的消息，转化成标准OMCI消息，通过与dOLT设备的接口，将消息透传到ONU设备，实现对ONU设备的管理。图1是本申请实施例中vOLT总体架构图，参见图1，管控处理子系统接收EMS/SDN控制器消息，转换为vOMCI消息发给vOMCI子系统，物理OLT设备将vOMCI子系统发送的OMCI消息透传到ONU设备。管控处理子系统是数 据核心，负责处理厂家相关的业务逻辑，并将指令通过标准化接口传递到vOMCI子系统。虚拟化设备层需要同时处理大量ONU上下线请求，由于ONU上下线时触发对应的动作，dOLT将ONU状态发生变化的消息通知给管控处理子系统，管控处理子系统再通过标准接口OnuStateChangeNotify将ONU状态发生变化通知消息发送给vOMCI子系统，本申请实施例中ONU上线和下线的vOLT系统处理时序图如图2和图3所示。
在vOLT现网运行过程中，可能会出现vOMCI子系统与管控子系统断链情况，断链原因包括vOMCI子系统异常退出或者网络中断等原因，在vOMCI子系统断链期间，ONU上下线状态消息将无法发送给vOMCI子系统，从而影响ONU业务正常运行。vOMCI子系统会保存ONU状态数据与ONU业务数据，当vOMCI子系统与管控子系统恢复连接后，vOMCI子系统中的ONU状态数据应该更新为最新。管控子系统与vOMCI子系统链路断链属于突发重大异常事件，一旦发生这种状况，运营商会立即诊断并恢复。断链期间发生ONU状态变化的ONU数量较少，管控处理子系统记录下断链期间发生的ONU状态变化情况，然后在管控处理子系统与vOMCI子系统链路恢复后，管控处理子系统通过标准接口OnuStateChangeNotify向vOMCI子系统发送发生变化的ONU状态数据，实现ONU数据的同步，减少两个子系统间交互数据，提高ONU状态数据更新速度。
图4是本申请实施例中提供的一种记录数据同步方法流程图，本申请实施例可适用于vOLT系统中断链恢复后，将管控子系统的ONU数据同步到vOMCI子系统的情况，该方法可以由记录数据同步装置来执行，该装置可以通过软件和/或硬件的方式实现，并一般可以集成在发送端中，参见图4，本申请实施例的方法包括如下步骤。
步骤100、在与接收端断开连接的情况下，根据光网络单元ONU的上下线信息存储状态变更信息。
接收端可以是接收ONU记录数据的设备，可以是vOMCI子系统，由于受到vOMCI子系统异常退出或者网络中断等原因，与发送端管控处理子系统存在断开链接的情况。光网络单元ONU是千兆无源光网络系统的用户侧设备，通过无源光纤网络接收光线路终端传送来的业务，光网络单元ONU具有两点作用，包括对光线路终端发送的广播进行选择性接收以及对用户需要发送的以太网数据进行收集和缓存，并按照被分配的发送窗口将以太网数据发送到光线路终端。状态变更信息表示光网络单元ONU上线状态或者下线状态的信息，状态变更信息用于记录在与接收端断开连接的时间内，多个光网络单元ONU上线或者下线的状态变更信息。
在本申请实施例中，光网络单元ONU上线或者下线时向发送端通知上下线信息，其中，上下线信息包括ONU上线通知信息和ONU下线通知信息。在与接收端断开连接时，光网络单元ONU的状态信息无法及时从发送端同步到接收端，发送端接收到光网络单元ONU的上下线信息时，根据上下线信息将该光网络单元的上线状态或者下线状态的变更情况存储。例如，光网络单元ONU从离线状态变为上线状态，并发送上线通知消息到发送端，发送端记录ONU的状态变更信息为从离线状态变为上线状态。
步骤110、在与所述接收端重新建立连接的情况下，根据所述状态变更信息将ONU记录数据同步到所述接收端。
ONU记录数据是状态变更信息的组成部分，不同ONU记录数据对应不同的ONU，在与接收端断开连接时间内ONU的状态发生变化，则在状态变更信息内存储该ONU对应的ONU记录数据，ONU记录数据可以包括ONU标识号、上线信息和下线信息等。
当发送端与接收端重新建立连接时，发生状态改变的光网络单元ONU的ONU记录数据需要同步到接收端，可以通过状态变更信息将ONU记录数据发送到接收端，例如，选择状态变更信息中发生状态改变的ONU记录数据，由接收端存储该ONU记录数据实现发送端与接收端ONU数据的同步。
在一实施例中，步骤100和步骤110之间的执行不具有顺序限制，步骤100可以执行多次后再次执行步骤110，步骤110也可以先于步骤100之前执行。
本申请实施例，通过在发送端与接收端断开连接时，根据光网络单元ONU的上下线信息存储状态变更信息，在连接重新建立时，根据状态变更信息将发生状态改变的ONU记录数据同步到接收端，实现了故障恢复时ONU状态数据的同步，减少同步过程中的数据处理量，提高数据同步速度。
本申请实施例，通过在与接收端断开连接的情况下，基于光网络单元ONU的上下线信息存储状态变更信息，并在重新建立与接收端的连接时，根据状态变更信息将ONU记录数据同步到接收端，实现了在连接故障的情况下，ONU记录数据的同步，降低故障恢复时接收端的瞬时数据量，减少记录数据传输时间，提高记录数据的同步效率。
在上述申请实施例的基础上，状态变更信息包括以下至少一种：当前状态、断链前状态、ONU标识号和同步标记。
当前状态是光网络单元ONU根据上下线信息确定出当前所处的上线状态或者下线状态；断链前状态是光网络单元ONU在与接收端断开连接前的状态，由于管控子系统控制vOMCI子系统，管控子系统中存储多个光网络单元ONU在 与vOMCI子系统断开连接前的状态信息，断链前状态通过查询本地存储获得；ONU标识号是光网络单元ONU的唯一标识，可以用于区分不同的光网络单元ONU，同步标记是标识ONU记录数据是否在发送端与接收端建立连接时进行同步的标记，当前状态与断链前状态不同，可以说明ONU发生改变，需要同步，因此同步标记可以标记为是，当前状态与断链前状态相同，且均为在线，ONU需要工作在接收端触发上线流程，因此也将同步标记表示为是，当前状态与断链前状态相同，且均为离线，该ONU在重新连接后无需工作，因此，无需进行ONU记录数据同步，将同步标记表示为否。
在本申请实施例中，状态变更信息存储为信息表t，信息表t由多条ONU记录数据组成，信息表t中可以包括a、b、c和d四个属性，属性a等于ONU标识号，通过该属性值，可以在运营商网络中唯一标识一个光网络单元ONU。属性b等于当前状态，用于表示光网络单元ONU当前实际状态，属性b的取值为枚举值，包括“在线”和“离线”。属性c等于断链前状态，用于表示接收端与发送端在断开连接前在发送端保存的光网络单元ONU的状态，属性c的取值为枚举值，包括“在线”和“离线”。属性d等于同步标记，用于表示ONU记录数据是否需要同步到接收端，属性d的取值为布尔值，包括“true”或者“false”，若取值为true，表示该ONU记录需要发送到接收端，若取值为false，表示该ONU记录数据不需要发送到接收端。
图5是本申请实施例中提供的另一种记录数据同步方法流程图，本实施例是以上述申请实施例为基础，参见图5，本申请实施例提供的记录数据同步方法包括如下步骤。
步骤200、在与接收端断开连接的情况下，获取光网络单元ONU的上下线信息。
在本申请实施例中，当接收端和发送端断开连接时，可以监听多个光网络单元，获取光网络单元上线或者下线时向发送端发送的上线通知信息和下线通知信息。
步骤210、若未存储所述光网络单元ONU的状态变更信息，则根据所述上下线信息存储所述光网络单元ONU的状态变更信息。
在一实施例中，由于光网络单元ONU在接收端与发送端断开连接的过程中可以进行多次上线或者下线操作，光网络单元ONU的状态变更信息可以已被存储，因此需要确定是否已经存储光网络单元ONU的状态变更信息，若还未存储，根据上下线信息确定当前状态，并获取该光网络单元ONU的断链前状态和同步标记，将获取到该光网络单元ONU的断链前状态、当前状态和同步标记作为该ONU对应的ONU记录数据存储到状态变更信息。
步骤220、若存储有所述光网络单元ONU的状态变更信息，则根据所述上下线信息变更所述状态变更信息内的当前状态和同步标记。
在本申请实施例中，当光网络单元ONU的状态变更信息已经存储时，由于重新接收到上下线信息，该光网络单元ONU的当前状态发生改变，可以根据上下线信息变更状态变更信息内的当前状态，例如，若上下线信息为上线信息，则将状态变更信息中该光网络单元ONU对应的当前状态修改为在线状态，若上下线信息为下线状态，则将状态变更信息中该光网络单元ONU对应的当前状态变更为离线状态。更改当前状态后，还可以对同步标记进行更改，若当前状态和断链前状态均为离线状态，可以将同步标记更改为否，其他情况可以对同步标记不进行更改。
步骤230、在与所述接收端重新建立连接的情况下，获取状态变更信息中同步标记为是的ONU记录数据。
同步标记为是可以表示ONU记录数据需要同步到接收端，同步标记表示断链前状态与当前状态不同，光网络单元ONU在重新建立连接时，在线状态发生了变化。
在状态变更信息中依次对ONU记录数据进行判定，若ONU记录数据中的同步标记为是，则读取该ONU记录数据，否则，判定下一条ONU记录数据直到状态变更信息中的所有ONU记录数据被全部判定，可以读取到所有同步标记为是的ONU记录数据。
步骤240、将所述ONU记录数据发送到接收端以实现ONU记录数据同步。
在本申请实施例中，可以将获取到的ONU记录数据发送到接收端，接收端将获取到的ONU记录数据存储以实现接收端与发送端的数据同步。在一实施例中，在接收端还可以在完成ONU记录数据的同步后向发送端反馈消息以通知完成同步。
步骤250、确定所述ONU记录数据同步到所述接收端，删除所述状态变更信息对应的ONU记录数据。
发送端完成发送ONU记录数据或者接收到接收端的反馈信息时，可以将状态变更信息中的对应ONU记录数据删除。在一实施例中，当状态变更信息中所有同步标记为是的ONU记录数据被删除时，可以将状态变更信息中剩余所有ONU数据记录删除，等待下次发送端与接收端断开连接。
本申请实施例，通过在与接收端断开连接的情况下，获取光网络单元ONU的上下线信息，若未存储该光网络单元ONU的状态变更信息，则根据上下线信息存储状态变更信息，否则，根据上下线信息变更其中的当前状态，在与接收 端重新建立连接时，获取状态变更信息中的同步标记为是的ONU记录数据并发送，通过同步标记仅发送状态发生变化的ONU记录数据，减少了数据通信规模，解决了发送端与接收端之间由于数据规模较大导致的网络阻塞问题，通过状态变更信息实现增量数据同步，提高了数据同步速度，减少了接收端系统恢复时间。
在上述申请实施例的基础上，所述根据所述上下线信息变更所述状态变更信息内的当前状态，包括：
若所述上下线信息为上线通知信息，则将所述状态变更信息内的当前状态变更为在线；若所述上下线信息为下线通知信息，则将所述状态变更信息内的当前状态变更为离线；若根据上下线信息变更后的当前状态与断链前状态均为离线，则将所述同步标记变更为否。
在本申请实施例中，状态变更信息内的光网络单元ONU对应的当前状态与上下线信息对应，当上下线信息为上线通知信息，则该ONU对应的当前状态为在线，当上下线信息为下线通知信息，则该ONU对应的当前状态为离线，在当前状态变更后，若当前状态与断链前状态均为离线，则确定ONU状态不发生改变，无需同步该ONU的ONU记录数据，因此，将同步标记变更为否。
在上述申请实施例的基础上，根据所述上下线信息存储所述光网络单元ONU的状态变更信息，包括：获取所述光网络单元ONU对应的断链前状态，并根据所述上下线信息确定当前状态；根据所述断链前状态和所述当前状态确定同步标记；根据所述光网络单元ONU的ONU标识号将所述断链前状态、所述当前状态和所述同步标记存储到状态变更信息。
在本申请实施例中，根据光网络单元ONU在本地查找预先存储的断链前状态，并根据上下线信息确定当前状态，其中，若上下线信息为上线信息，则当前状态为在线状态，若上下线信息为下线信息，则当前状态为离线状态。根据当前状态和断链前状态确定同步标记，若当前状态和断链前状态均为离线，则该ONU的状态可以认定为未发生变化，同步标记可以为否，其他情况下，同步标记可以为是。将获取到该光网络单元ONU的断链前状态、当前状态和同步标记作为该ONU对应的ONU记录数据存储到状态变更信息，可以将不同的ONU记录数据与对应的ONU标识号关联存储。
图6是本申请实施例中提供的另一种记录数据同步方法流程图，本申请实施例可适用于vOLT系统中断链恢复后，将管控子系统的ONU数据同步到vOMCI子系统的情况，该方法可以由记录数据同步装置来执行，该装置可以通过软件和/或硬件的方式实现，并一般可以集成在接收端中，参见图6，本申请实施例的方法包括如下步骤。
步骤300、在与发送端重新建立连接的情况下，接收发送端发送的ONU记录数据。
当接收端重新与发送端建立连接时，例如，vOMCI子系统从异常退出恢复或者网络中断恢复时，接收端可以重新接收发送端发送的数据，接收端可以获取发送端发送的ONU记录数据。
步骤310、将所述ONU记录数据存储在本地。
在本申请实施例中，接收端将接收到的ONU记录数据存储在本地，使得本地存储的ONU状态与发送端存储的ONU状态相同，实现接收端与发送端的数据同步。
本申请实施例，通过接收端在恢复与发送端的连接后，获取到发送端发送的ONU记录数据并存储，实现了记录数据同步，减少记录数据同步过程的数据处理量，降低接收端在故障恢复时的瞬时压力，提高了记录数据同步速度。
在上述申请实施例的基础上，接收发送端发送的ONU记录数据，包括：基于标准接口OnuStateChangeNotify，获取所述发送端发送的ONU记录数据。
在本申请实施例中，发送端中管控处理子系统与接收端中vOMCI子系统通过标准接口OnuStateChangeNotify进行数据交互，接收端可以通过监测标准接口OnuStateChangeNotify中的ONU记录数据实现获取过程。
示例性的，将状态变更信息存储为信息表t，信息表t由多条ONU记录数据组成，信息表t中可以包括a、b、c和d四个属性，属性a等于ONU标识号，通过该属性值，可以在运营商网络中唯一标识一个光网络单元ONU。属性b等于当前状态，用于表示光网络单元ONU当前实际状态，属性b的取值为枚举值，包括“在线”和“离线”。属性c等于断链前状态，用于表示接收端与发送端在断开连接前在发送端保存的光网络单元ONU的状态，属性c的取值为枚举值，包括“在线”和“离线”。属性d等于同步标记，用于表示ONU记录数据是否需要同步到接收端，属性d的取值为布尔值，包括“true”或者“false”，若取值为true，表示该ONU记录需要发送到接收端，若取值为false，表示该ONU记录数据不需要发送到接收端。
在一个示例性实施方式中，以管控处理子系统与vOMCI子系统断开连接后，光网络单元上线为例，图7是本申请实施例中提供的一种ONU上线处理示例图，参见图7，步骤101、dOLT向管控处理子系统发送ONU a的上线通知消息，管控处理子系统接收到ONU a的上线通知消息。步骤102、判断vOMCI子系统是否已经断开连接，确定此时vOMCI系统已经断开连接。步骤103、判断信息表t中是否存在包含a的ONU记录数据，确定此时t中没有包含a的ONU记录数 据。步骤104、管控处理子系统需要在信息表t中新增一条ONU记录数据，由于当前ONU上线，因此可以判断出vOMCI本地保存的ONU状态为‘离线’，并且ONU状态已经发生变化，因此新增记录赋值信息如下：t.a＝a；t.b＝‘在线’；t.c＝‘离线’；t.d＝‘true’。
在一个示例性实施方式中，以管控处理子系统与vOMCI子系统断开连接后，光网络单元上线又下线为例，图8是本申请实施例中提供的一种ONU上线又下线处理示例图，参见图8，步骤201、dOLT向管控处理子系统发送ONU a的下线通知消息，管控处理子系统接收到ONU a的下线通知消息。步骤202、判断vOMCI子系统是否已经断开连接，确定此时vOMCI系统已经断开连接。步骤203、判断信息表t中是否存在包含a的ONU记录数据，确定此时信息表t中存在包含a的ONU记录数据。步骤204、信息表t中已存在ONU a的ONU记录数据为：t.a＝a；t.b＝‘在线’；t.c＝‘离线’；t.d＝‘true’，这时ONU a由上线状态变为离线状态，t.b的值应该由‘在线’修改为‘离线’，另外根据t.c＝‘离线’可知断链前ONU状态为‘离线’，现在又离线了，这种情况下，无需同步ONU状态，因此t.d需要修改为‘false’，最终针对信息表t的ONU a的修改信息如下：t.b＝‘离线’；t.d＝‘false’。
在一个示例性实施方式中，以管控处理子系统与vOMCI子系统断开连接后，光网络单元下线为例，图9是本申请实施例中提供的一种ONU下线处理示例图，参见图9，步骤301、dOLT向管控处理子系统发送ONU a的下线通知消息，管控处理子系统接收到ONU a的下线通知消息。步骤302、判断vOMCI子系统是否已经断开连接，确定此时vOMCI系统已经断开连接。步骤303、判断信息表t中是否存在包含a的ONU记录数据，确定此时信息表t中没有包含ONU a的ONU记录数据。步骤304、管控处理子系统需要在消息表t中新增一条ONU记录数据，由于当前是ONU a下线，因此可以判断出vOMCI本地保存的ONU状态为‘在线’，并且ONU状态已经发生变化，因此新增ONU记录数据赋值信息如下：t.a＝a；t.b＝‘离线’；t.c＝‘在线’；t.d＝‘true’。
在一个示例性实施方式中，以管控处理子系统与vOMCI子系统断开连接后，光网络单元下线又上线为例，图10是本申请实施例中提供的一种ONU下线又上线处理示例图，参见图10，步骤401、dOLT向管控处理子系统发送ONU a的下线通知消息，管控处理子系统接收到ONU a的下线通知消息。步骤402、判断vOMCI子系统是否已经断开连接，确定此时vOMCI系统已经断开连接。步骤403、判断信息表t中是否存在包含a的ONU记录数据，确定此时信息表t中存在包含ONU a的ONU记录数据。步骤404、此时消息表t中存储的ONU a的ONU记录数据为：t.a＝a；t.b＝‘离线’；t.c＝‘在线’；t.d＝‘true’，这时ONU由离线状态变为在线状态，t.b的值应该由‘离线’修改为‘在线’，另外 根据t.c＝‘在线’可知断链前ONU状态为‘在线’，现在又在线了，这种情况下，需要同步ONU状态，因为ONU业务正常，一定要在vOMCI子系统中触发ONU上线这个流程，因此t.d不能修改为‘false’，最终针对列表t的ONU a的修改信息如下：t.b＝‘在线’。
在一个示例性实施方式中，以管控处理子系统与vOMCI子系统恢复连接为例，图11是本申请实施例中提供的一种记录数据同步示例图，参见图11，步骤501、vOMCI子系统重新启动，然后与管控处理子系统连接成功，管控处理子系统检测到vOMCI子系统恢复连接后，触发ONU状态同步流程。步骤502、管控处理子系统检索信息表t，检查是否存在t.d＝‘true’的ONU记录数据，如果存在，则获取所有t.d＝‘true’的ONU记录数据，然后进行步骤503，反之结束同步流程。管控处理子系统通过并发或者串行方式，逐一将存在t.d＝‘true’的ONU记录数据通过标准接口OnuStateChangeNotify发送到vOMCI子系统。步骤504、清除管控子系统中t列表中所有数据，表明vOLT管控子系统与vOMCI子系统的ONU记录数据同步结束。
图12是本申请实施例中提供的一种记录数据同步装置的结构示意图，可执行本申请任意实施例提供的记录数据同步方法，具备执行方法相应的功能模块和效果。该装置可以由软件和/或硬件实现，包括：同步表模块10和数据同步模块11。
同步表模块10，设置为在与接收端断开连接的情况下，根据光网络单元ONU的上下线信息存储状态变更信息。
数据同步模块11，设置为在与所述接收端重新建立连接的情况下，根据所述状态变更信息将ONU记录数据同步到所述接收端。
本申请实施例，通过同步表模块10在发送端与接收端断开连接时，根据光网络单元ONU的上下线信息存储状态变更信息，数据同步模块11在连接重新建立时，根据状态变更信息将发生状态改变的ONU记录数据同步到接收端，实现了故障恢复时ONU状态数据的同步，减少同步过程中的数据处理量，提高数据同步速度。
在上述申请实施例的基础上，状态变更信息包括以下至少一种：当前状态、断链前状态、ONU标识号和同步标记。
在上述申请实施例的基础上，同步表模块10包括：
信息获取单元，设置为获取光网络单元ONU的上下线信息。
第一存储单元，设置为若未存储所述光网络单元ONU的状态变更信息，则根据所述上下线信息存储所述光网络单元ONU的状态变更信息。
第二存储单元，设置为若存储有所述光网络单元ONU的状态变更信息，则根据所述上下线信息变更所述状态变更信息内的当前状态和同步标记。
在上述申请实施例的基础上，第二存储单元是设置为：
若所述上下线信息为上线通知信息，则将所述状态变更信息内的当前状态变更为在线；若所述上下线信息为下线通知信息，则将所述状态变更信息内的当前状态变更为离线；若根据上下线信息变更后的当前状态与断链前状态均为离线，则将所述同步标记变更为否。
在上述申请实施例的基础上，数据同步模块11包括：
记录选取单元，设置为获取状态变更信息中同步标记为是的ONU记录数据。
数据发送单元，设置为将所述ONU记录数据发送到接收端以实现ONU记录数据同步。
在上述申请实施例的基础上，第一存储单元是设置为：
获取所述光网络单元ONU对应的断链前状态，并根据所述上下线信息确定当前状态；根据所述断链前状态和所述当前状态确定同步标记；根据所述光网络单元ONU的ONU标识号将所述断链前状态、所述当前状态和所述同步标记存储到状态变更信息。
在上述申请实施例的基础上，还包括：
清除模块，设置为确定所述ONU记录数据同步到所述接收端，删除所述状态变更信息对应的ONU记录数据。
图13是本申请实施例中提供的另一种记录数据同步装置的结构示意图，可执行本申请任意实施例提供的记录数据同步方法，具备执行方法相应的功能模块和效果。该装置可以由软件和/或硬件实现，包括：接收模块20和存储模块21。
接收模块20，设置为在与发送端重新建立连接的情况下，接收发送端发送的ONU记录数据。
存储模块21，设置为将所述ONU记录数据存储在本地。
本申请实施例的技术方案，通过接收模块20和存储模块21在恢复与发送端的连接后，获取到发送端发送的ONU记录数据并存储，实现了记录数据同步，减少记录数据同步过程的数据处理量，降低接收端在故障恢复时的瞬时压力，提高了记录数据同步速度。
在上述申请实施例的基础上，接收模块20是设置为：基于标准接口OnuStateChangeNotify，获取所述发送端发送的ONU记录数据。
图14是本申请实施例中提供的一种设备的结构示意图，如图14所示，该设备包括处理器30、存储器31、输入装置32和输出装置33；设备中处理器30的数量可以是一个或多个，图14中以一个处理器30为例；设备中处理器30、存储器31、输入装置32和输出装置33可以通过总线或其他方式连接，图14中以通过总线连接为例。
存储器31作为一种计算机可读存储介质，可用于存储软件程序、计算机可执行程序以及模块，如本申请实施例中的记录数据同步装置对应的模块(同步表模块10、数据同步模块11、和/或接收模块20、存储模块21)。处理器30通过运行存储在存储器31中的软件程序、指令以及模块，从而执行设备的多种功能应用以及数据处理，即实现上述的方法。
存储器31可包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序；存储数据区可存储根据终端的使用所创建的数据等。此外，存储器31可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。在一些实例中，存储器31可包括相对于处理器30远程设置的存储器，这些远程存储器可以通过网络连接至设备。上述网络的实例包括互联网、企业内部网、局域网、移动通信网及其组合。
输入装置32可设置为接收输入的数字或字符信息，以及产生与设备的用户设置以及功能控制有关的键信号输入。输出装置33可包括显示屏等显示设备。
本申请实施例还提供一种计算机可读存储介质，计算机可执行指令在由计算机处理器执行时用于执行一种记录数据同步方法，该方法包括：在与接收端断开连接的情况下，根据光网络单元ONU的上下线信息存储状态变更信息；在与所述接收端重新建立连接的情况下，根据所述状态变更信息将ONU记录数据同步到所述接收端，和/或，在与发送端重新建立连接的情况下，接收发送端发送的ONU记录数据；将所述ONU记录数据存储在本地。
本申请实施例所提供的一种包含计算机可执行指令的存储介质，其计算机可执行指令不限于如上所述的方法操作，还可以执行本申请任意实施例所提供的记录数据同步方法中的相关操作。
以上所述，仅为本申请的示例性实施例而已，并非用于限定本申请的保护范围。
用户终端涵盖任何适合类型的无线用户设备，例如移动电话、便携数据处理装置、便携网络浏览器或车载移动台。
本申请的多种实施例可以在硬件或专用电路、软件、逻辑或其任何组合中 实现。例如，一些方面可以被实现在硬件中，而其它方面可以被实现在可以被控制器、微处理器或其它计算装置执行的固件或软件中，尽管本申请不限于此。
本申请的实施例可以通过移动装置的数据处理器执行计算机程序指令来实现，例如在处理器实体中，或者通过硬件，或者通过软件和硬件的组合。计算机程序指令可以是汇编指令、指令集架构(Industry Subversive Alliance，ISA)指令、机器指令、机器相关指令、微代码、固件指令、状态设置数据、或者以一种或多种编程语言的任意组合编写的源代码或目标代码。
本申请附图中的任何逻辑流程的框图可以表示程序步骤，或者可以表示相互连接的逻辑电路、模块和功能，或者可以表示程序步骤与逻辑电路、模块和功能的组合。计算机程序可以存储在存储器上。存储器可以具有任何适合于本地技术环境的类型并且可以使用任何适合的数据存储技术实现，例如只读存储器(Read-Only Memory，ROM)、随机访问存储器(Random Access Memory，RAM)、光存储器装置和系统(数码多功能光碟(Digital Video Disk，DVD)或便携式紧凑磁盘(Compact Disc，CD))等。计算机可读介质可以包括非瞬时性存储介质。数据处理器可以是任何适合于本地技术环境的类型，例如通用计算机、专用计算机、微处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、可编程逻辑器件(Field Programmable Gate Array，FPGA)以及基于多核处理器架构的处理器。

Claims (13)

  1. 一种记录数据同步方法，应用于发送端，所述方法包括：
    在与接收端断开连接的情况下，根据光网络单元ONU的上下线信息存储状态变更信息；
    在与所述接收端重新建立连接的情况下，根据所述状态变更信息将ONU记录数据同步到所述接收端。
  2. 根据权利要求1所述的方法，其中，所述状态变更信息包括以下至少一种：当前状态、断链前状态、ONU标识号和同步标记。
  3. 根据权利要求2所述的方法，其中，所述根据ONU的上下线信息存储状态变更信息，包括：
    获取所述ONU的上下线信息；
    在未存储所述ONU的状态变更信息的情况下，根据所述上下线信息存储所述ONU的状态变更信息；
    在存储有所述ONU的状态变更信息的情况下，根据所述上下线信息变更所述状态变更信息内的当前状态和同步标记。
  4. 根据权利要求3所述的方法，其中，所述根据所述上下线信息存储所述ONU的状态变更信息，包括：
    获取所述ONU对应的断链前状态，并根据所述上下线信息确定当前状态；
    根据所述断链前状态和所述当前状态确定同步标记；
    根据所述ONU的ONU标识号将所述断链前状态、所述当前状态和所述同步标记存储到所述状态变更信息。
  5. 根据权利要求3所述的方法，其中，所述根据所述上下线信息变更所述状态变更信息内的当前状态和同步标记，包括：
    在所述上下线信息为上线通知信息的情况下，将所述状态变更信息内的当前状态变更为在线；
    在所述上下线信息为下线通知信息的情况下，将所述状态变更信息内的当前状态变更为离线；
    在根据所述上下线信息变更后的当前状态与断链前状态均为离线的情况下，将所述同步标记变更为否。
  6. 根据权利要求3所述的方法，其中，所述根据所述状态变更信息将ONU记录数据同步到所述接收端，包括：
    获取所述状态变更信息中同步标记为是的ONU记录数据；
    将所述同步标记为是的ONU记录数据发送到所述接收端以同步ONU记录数据。
  7. 根据权利要求1-6中任一项所述的方法，还包括：
    确定所述ONU记录数据同步到所述接收端，删除所述状态变更信息对应的ONU记录数据。
  8. 一种记录数据同步方法，应用于接收端，所述方法包括：
    在与发送端重新建立连接的情况下，接收所述发送端发送的光网络单元ONU记录数据；
    将所述ONU记录数据存储在本地。
  9. 根据权利要求8所述的方法，其中，所述接收所述发送端发送的ONU记录数据，包括：
    基于标准接口OnuStateChangeNotify，获取所述发送端发送的ONU记录数据。
  10. 一种记录数据同步装置，应用于发送端，所述装置包括：
    同步表模块，设置为在与接收端断开连接的情况下，根据光网络单元ONU的上下线信息存储状态变更信息；
    数据同步模块，设置为在与所述接收端重新建立连接的情况下，根据所述状态变更信息将ONU记录数据同步到所述接收端。
  11. 一种记录数据同步装置，应用于接收端，所述装置包括：
    接收模块，设置为在与发送端重新建立连接的情况下，接收所述发送端发送的光网络单元ONU记录数据；
    存储模块，设置为将所述ONU记录数据存储在本地。
  12. 一种设备，包括：
    一个或多个处理器；
    存储器，设置为存储一个或多个程序，
    当所述一个或多个程序被所述一个或多个处理器执行，使得所述一个或多个处理器实现如权利要求1-9中任一项所述的记录数据同步方法。
  13. 一种计算机可读存储介质，存储有计算机程序，其中，所述计算机程序被处理器执行时实现如权利要求1-9中任一项所述的记录数据同步方法。
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