CN111885440A - Fault diagnosis and rapid processing method based on PON access network service - Google Patents
Fault diagnosis and rapid processing method based on PON access network service Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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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
- H04B10/03—Arrangements for fault recovery
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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
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0791—Fault location on the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0083—Testing; Monitoring
Abstract
The invention relates to a fault diagnosis and rapid processing method based on PON access network service. The method comprises the following steps: after receiving a fault message of a PON access service, a resource searching module searches and forms PON link end-to-end resource information and then triggers a PON detection module; the PON detection module carries out PON equipment state detection according to the resource information provided by the resource searching module to obtain data information of the equipment to be detected; and the fault diagnosis module analyzes the equipment data information detected by the PON detection module and performs fault diagnosis and detection. The method and the device acquire the real-time state information of the PON network and the equipment according to the preset fault diagnosis strategy and the realized PON test interface, and compare the real-time state information with the prestored equipment fault parameter threshold value to determine the equipment fault. Comprehensively locate the fault point through multiple operations and provide various preprocessing means to solve the fault. Therefore, maintenance personnel can find and position the fault position in time, the fault maintenance time is shortened, the fault detection efficiency is improved, and the maintenance cost is reduced.
Description
Technical Field
The invention relates to the technical field of Passive Optical Networks (PON), in particular to a fault diagnosis and rapid processing method based on PON access Network service.
Background
With the mature development of the optical fiber technology and the continuous promotion of the service requirement of the three-network convergence, the Fiber To The Home (FTTH) has become the final means for solving the bandwidth bottleneck problem of the access network, and the Passive Optical Network (PON) technology is favored by the advantages of high bandwidth, long-distance transmission, point-to-multipoint topology and the like, and becomes the main application architecture for deploying the broadband in China.
PON is a passive optical access technology using a point-to-multipoint topology, and the topology is shown in fig. 1. The Optical Network Unit (ONU) is composed of an OLT (Optical Line Terminal) on the office side, an ONU (Optical Network Unit) on the subscriber side, and an ODN (Optical Distribution Network). The ODN is an optical transmission physical channel between the OLT and the ONU, and is generally composed of an optical fiber, an optical connector, and an optical splitter. The fiber line between the OLT and the ODN is called the main fiber line and the fiber line between the ODN and the ONU is called the drop fiber line.
Common PON access service failures generally fall into two categories, one is a PON device failure, including failures of an OLT device, an ONU device, and an optical fiber. And the other type is the fault of the user access side, including the fault of the user equipment and the user account.
In practical application, there are many problems: firstly, the complexity of the PON network, the failure cause may cover the entire network and device, and end-to-end links need to be detected and analyzed one by one; secondly, the equipment manufacturers have a plurality of devices, the operated network managers or equipment instructions are different, and the professional requirements are high. And thirdly, because of fault acceptance and repair, a plurality of responsibility departments of the operators are involved, and related processing also needs to be matched with each other, so that the workload of each other is increased. Therefore, the fault maintenance time of the PON access service is long, and the fault position cannot be found and located in time, so that the fault detection efficiency is low, and the service quality of the PON network application is affected.
Disclosure of Invention
The invention aims to provide a fault diagnosis and rapid processing method based on PON access network service, which can find and locate fault positions in time, shorten fault maintenance time, improve fault detection efficiency and reduce maintenance cost.
In order to achieve the purpose, the technical scheme of the invention is as follows: a fault diagnosis and rapid processing method based on PON access network service comprises the following steps:
after receiving a fault message of a PON access service, a resource searching module searches and forms PON link end-to-end resource information and then triggers a PON detection module;
the PON detection module carries out PON equipment state detection according to the resource information provided by the resource searching module to obtain data information of the equipment to be detected;
and the fault diagnosis module analyzes the equipment data information detected by the PON detection module and performs fault diagnosis and detection.
In an embodiment of the present invention, the PON link end-to-end resource information includes end-to-end link information of the BAS, the OLT, the OBD, the ONU, and the user; the resource information of the OLT and the ONU is synchronously acquired by a PON network manager, and the relation resource information of the OLT and the BAS, the OLT and the OBD, the OBD and the ONU, and the ONU port and the user is synchronously acquired by the resource of an operator or an open system.
In an embodiment of the present invention, the resource searching module searches and forms PON link end-to-end resource information according to a received fault message of a PON access service, and specifically, searches and forms PON link end-to-end resource information according to a fault type and a networking type of the fault message.
In one embodiment of the invention, the networking type comprises FTTB-DSL, FTTB-LAN, FTTB-POTS, FTTH-ONT, FTTH-E8C.
In an embodiment of the present invention, the failure types include internet failure, frequent disconnection, and slow internet access.
In an embodiment of the present invention, the PON detection module performs state detection on the PON device according to the resource information provided by the resource search module, that is, the PON detection module invokes a corresponding test interface to send a test instruction to the PON network manager or the PON device according to a predetermined test flow and the resource information provided by the resource search module.
In an embodiment of the present invention, the PON detection module supports various test interface protocols of PON network management and equipment, including TL1, SNMP, and SSH.
In an embodiment of the present invention, the PON detection module performs status detection on the following PON devices:
the OLT equipment test function comprises: OLT equipment testing, OLT board card testing, PON link quality testing, PON registration list inquiring and optical power testing;
the ONU equipment test function comprises: ONU equipment test, ONU board card test, PON network management and various test interface protocol tests of equipment, ONU registration query and optical power test;
the ONU port test function comprises the following steps: port state testing, port link quality testing, port registered MAC testing, port opening operation and port closing operation;
BAS device test functions include: inquiring the online state of the account, and removing the account online.
In an embodiment of the present invention, the fault diagnosis module analyzes data information detected by the PON detection module, and the fault diagnosis and detection are performed in the following manner: and receiving the equipment data information detected by the PON detection module, and comparing the equipment data information with a pre-stored equipment fault parameter threshold value to determine whether the equipment is in fault or not.
Compared with the prior art, the invention has the following beneficial effects: the fault diagnosis and rapid processing method for the PON access service, provided by the invention, is used for acquiring PON network and user information in advance and searching correct network topology information according to fault acceptance information. And acquiring real-time state information of the PON network and the equipment according to a preset fault diagnosis strategy and an realized PON test interface, and comparing the real-time state information with a prestored equipment fault parameter threshold value to determine equipment faults. Comprehensively locate the fault point through multiple operations and provide various preprocessing means to solve the fault. Therefore, maintenance personnel can find and position the fault position in time, the fault maintenance time is shortened, the fault detection efficiency is improved, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic diagram of a conventional PON access service structure.
Fig. 2 is a schematic structural diagram of a system for diagnosing PON failure according to the present invention.
Fig. 3 is a flowchart illustrating a method for diagnosing PON failure according to the present invention.
Detailed Description
The technical scheme of the invention is specifically explained below with reference to the accompanying drawings.
The invention provides a fault diagnosis and rapid processing method based on PON access network service, which comprises the following steps:
after receiving a fault message of a PON access service, a resource searching module searches and forms PON link end-to-end resource information and then triggers a PON detection module;
the PON detection module carries out PON equipment state detection according to the resource information provided by the resource searching module to obtain data information of the equipment to be detected;
and the fault diagnosis module analyzes the equipment data information detected by the PON detection module and performs fault diagnosis and detection.
The PON link end-to-end resource information comprises end-to-end link information of a BAS, an OLT, an OBD, an ONU and a user; the resource information of the OLT and the ONU is synchronously acquired by a PON network manager, and the relation resource information of the OLT and the BAS, the OLT and the OBD, the OBD and the ONU, and the ONU port and the user is synchronously acquired by the resource of an operator or an open system.
The resource searching module searches and forms PON link end-to-end resource information according to the received fault message of the PON access service, and specifically searches and forms the PON link end-to-end resource information according to the fault type and the networking type of the fault message. The networking types comprise FTTB-DSL, FTTB-LAN, FTTB-POTS, FTTH-ONT and FTTH-E8C. The fault types comprise the failure of surfing the internet, frequent disconnection and slow surfing of the internet.
The PON detection module detects the state of the PON equipment according to the resource information provided by the resource searching module, namely the PON detection module calls a corresponding test interface to send a test instruction to the PON network management or the equipment according to a preset test flow and the resource information provided by the resource searching module. The PON detection module supports various test interface protocols of PON network management and equipment, including TL1, SNMP and SSH. The PON detection module detects the state of the following PON devices:
the OLT equipment test function comprises: OLT equipment testing, OLT board card testing, PON link quality testing, PON registration list inquiring and optical power testing;
the ONU equipment test function comprises: ONU equipment test, ONU board card test, PON network management and various test interface protocol tests of equipment, ONU registration query and optical power test;
the ONU port test function comprises the following steps: port state testing, port link quality testing, port registered MAC testing, port opening operation and port closing operation;
BAS device test functions include: inquiring the online state of the account, and removing the account online.
The fault diagnosis module analyzes the data information detected by the PON detection module, and the fault diagnosis and detection are carried out in the following modes: and receiving the equipment data information detected by the PON detection module, and comparing the equipment data information with a pre-stored equipment fault parameter threshold value to determine whether the equipment is in fault or not.
The following is a specific implementation of the present invention.
The fault diagnosis needs correct PON related resource information to accurately locate the fault. The management means of the PON resources of the existing large operators are basically the same, and the PON resources are input into the established service resource management system after engineering construction and equipment construction and installation. When a user applies for PON service, ONU equipment or ports are allocated according to the application address, and a client resource management system is synchronously updated after a constructor is started.
As shown in fig. 2, a fault diagnosis and fast processing method based on PON access network service according to the present invention provides a resource lookup module, a PON detection module, and a fault diagnosis module, and as shown in fig. 3, is a specific process of the method of the present invention:
after receiving a fault message of a PON access service, a resource searching module searches and forms PON link end-to-end resource information and then triggers a PON detection module; the PON detection module carries out PON equipment state test according to physical information provided by resources to obtain test data information; and the fault diagnosis module analyzes the data information and carries out fault diagnosis.
The resource searching module is used for establishing and maintaining resource information of the PON network and the users. Data required by fault diagnosis are synchronized with relevant resource systems of operators regularly, and timeliness and accuracy of resource information are guaranteed. According to the received fault message, searching resource information required for diagnosis from a resource library, judging the networking type, the equipment type and the manufacturer type of the resource information, and acquiring BAS information, OLT information, ONU information and optical fiber information. When an operator accepts fault information, the user number is commonly obtained, and the physical information of the link to which the user number belongs, including key information such as an ONU port, an ONU IP (optical network unit) and an uplink OLT (optical line terminal), is searched from a resource library according to the user number.
And establishing and maintaining related resource information of the PON network topology, including the end-to-end link information of the BAS, the OLT, the OBD, the ONU and the user. The resource information of OLT and ONU is synchronously obtained by PON network management, and the resource relationship between OLT and BAS, between OLT and OBD, between OBD and ONU, and between ONU port and user is synchronously obtained by the resource of operator or open system.
The networking type is used for selecting a corresponding diagnosis process, the equipment and manufacturer type is used for selecting a corresponding test protocol and a test address, and the BAS information, the OLT information, the ONU information and the optical fiber information are used for providing normal input parameters required by a test interface. The supported networking types include FTTB-DSL, FTTB-LAN, FTTB-POTS, FTTH-ONT, FTTH-E8C (Home gateway/optical Cat), etc. According to different networking types, corresponding equipment line information and a network topological graph can be displayed. The supported fault types comprise the failure of surfing the internet, frequent disconnection and slow surfing the internet. The diagnosis process is different for different fault types, and the involved atomic operations are unique.
The PON detection module is used for managing and configuring test protocols and interface contents supported by network management and equipment of each PON manufacturer. And sending corresponding test instructions to the network management and the equipment according to the information obtained by the resources, receiving returned result parameters, analyzing and processing the result parameters, and providing a basic support means for fault diagnosis and processing.
According to a predefined test flow and acquired resource information, the PON detection module calls a corresponding test interface and sends a test instruction to a PON network manager or equipment. The PON detection module supports various test interface protocols of PON network management and equipment, including common TL1, SNMP, SSH and the like.
The main parameters of OLT equipment, PON ports, ONU equipment and ports are inquired, and the provided test function meets the fault diagnosis requirement.
The OLT equipment test function comprises: the method comprises the following contents of OLT equipment test, OLT board card test, PON link quality test, PON registration list query, optical power test and the like.
The ONU equipment test function comprises: the ONU equipment test, the ONU board card test, the PON network management and various test interface protocols of the equipment comprise contents of common TL1, SNMP, SSH link quality test, ONU registration query, optical power test and the like.
The ONU port test function comprises the following steps: port state test, port link quality test, port registered MAC test, port opening operation, port closing operation and the like.
BAS device test functions include: inquiring the online state of the account, and removing the account online.
The testing function of ITMS (integrated terminal management system) is also involved for the FTTH-E8C equipment, including: terminal on-line test, service parameter test, registration state test, dialing state test and the like.
When the PON detection module issues a test instruction, the resource information and necessary test parameters need to be encapsulated into a data format required by a test interface protocol, and then the data format is sent to a manufacturer network manager and a device.
The detecting the parameter information at least comprises: test type, IP address of the test equipment, port number.
The PON detection module also analyzes the results returned by the network management and the equipment according to the test interface and the protocol to obtain the data information required by the test. Meanwhile, the test data is stored in a database for calling at any time and subsequent analysis and processing.
And the fault diagnosis module carries out gradual diagnosis according to the diagnosis process which is predefined by each fault type. Each fault diagnosis process includes a plurality of atomic test items. And partial simple fault conditions are judged through an atomic test. However, most of the failure reasons are complex and can be obtained only by comprehensively judging a plurality of atom test results.
And checking the test return parameters of each time step by step during diagnosis, and intelligently selecting the next test instruction according to the analysis result until the diagnosis is finished.
The fault diagnosis module can support concurrent operation for a plurality of atomic tests, and the diagnosis time length is greatly shortened. Meanwhile, the method has good expansibility, and related diagnosis flow contents can be flexibly adjusted and continuously optimized along with the continuous accumulation of fault maintenance experience, so that the fault can be accurately positioned.
The fault diagnosis module also provides rich fault preprocessing means, including a knowledge base and a preprocessing diagnosis tool, and realizes the rapid processing of the fault. The knowledge base content covers common fault phenomena and processing guidance, and is used for communicating with customers and guiding the customers to cooperate with the fault phenomena and the processing guidance.
Common fault preprocessing means comprise account arrearage interception, account dialing failure reason analysis, equipment restart, port restart, large-area fault and engineering cutover.
The above are preferred embodiments of the present invention, and all changes made according to the technical scheme of the present invention that produce functional effects do not exceed the scope of the technical scheme of the present invention belong to the protection scope of the present invention.
Claims (9)
1. A fault diagnosis and rapid processing method based on PON access network service is characterized by comprising the following steps:
after receiving a fault message of a PON access service, a resource searching module searches and forms PON link end-to-end resource information and then triggers a PON detection module;
the PON detection module carries out PON equipment state detection according to the resource information provided by the resource searching module to obtain data information of the equipment to be detected;
and the fault diagnosis module analyzes the equipment data information detected by the PON detection module and performs fault diagnosis and detection.
2. The method according to claim 1, wherein the PON link end-to-end resource information includes end-to-end link information of a BAS, an OLT, an OBD, an ONU, and a user; the resource information of the OLT and the ONU is synchronously acquired by a PON network manager, and the relation resource information of the OLT and the BAS, the OLT and the OBD, the OBD and the ONU, and the ONU port and the user is synchronously acquired by the resource of an operator or an open system.
3. The method according to claim 1, wherein the resource searching module searches for and forms PON link end-to-end resource information according to a received fault message of the PON access service, and specifically searches for and forms PON link end-to-end resource information according to a fault type and a networking type of the fault message.
4. The method as claimed in claim 3, wherein the networking type includes FTTB-DSL, FTTB-LAN, FTTB-POTS, FTTH-ONT, and FTTH-E8C.
5. The PON access network service-based fault diagnosis and rapid processing method according to claim 3, wherein the fault types include internet-unavailable, frequently-dropped and slow internet access.
6. The method according to claim 2, wherein the PON detection module performs PON device state detection according to the resource information provided by the resource lookup module, that is, the PON detection module invokes a corresponding test interface to send a test instruction to the PON network management or device according to a predetermined test flow and the resource information provided by the resource lookup module.
7. The method as claimed in claim 1, wherein the PON detection module supports various test interface protocols of PON network management and devices, including TL1, SNMP, and SSH.
8. The method as claimed in claim 6, wherein the PON detection module performs status detection on the following PON devices:
the OLT equipment test function comprises: OLT equipment testing, OLT board card testing, PON link quality testing, PON registration list inquiring and optical power testing;
the ONU equipment test function comprises: ONU equipment test, ONU board card test, PON network management and various test interface protocol tests of equipment, ONU registration query and optical power test;
the ONU port test function comprises the following steps: port state testing, port link quality testing, port registered MAC testing, port opening operation and port closing operation;
BAS device test functions include: inquiring the online state of the account, and removing the account online.
9. The method according to claim 1, wherein the fault diagnosis module analyzes data information detected by the PON detection module, and the fault diagnosis and detection are performed in a manner that: and receiving the equipment data information detected by the PON detection module, and comparing the equipment data information with a pre-stored equipment fault parameter threshold value to determine whether the equipment is in fault or not.
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| CN113872686A (en) * | 2021-09-18 | 2021-12-31 | 中邮科通信技术股份有限公司 | Customer self-service troubleshooting processing method based on optical broadband network service |
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| CN113794959B (en) * | 2021-10-20 | 2024-01-09 | 深圳市天威网络工程有限公司 | PON network fault automatic positioning method and system thereof |
| CN114039834A (en) * | 2021-11-03 | 2022-02-11 | 中盈优创资讯科技有限公司 | Processing method and device for realizing one-key diagnosis of end-to-end faults of optical network |
| CN114039834B (en) * | 2021-11-03 | 2024-01-05 | 中盈优创资讯科技有限公司 | Processing method and device for realizing one-key diagnosis of end-to-end faults of optical network |
| CN116192245A (en) * | 2022-12-27 | 2023-05-30 | 湖北华网控股集团有限公司 | PON network-based fault diagnosis method, system, equipment and storage medium |
| CN116546350A (en) * | 2023-04-29 | 2023-08-04 | 国网新疆电力有限公司电力科学研究院 | PON network monitoring system and monitoring method thereof |
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