CN108123752B

CN108123752B - EPON precise loop detection method based on geographic information positioning

Info

Publication number: CN108123752B
Application number: CN201711484676.2A
Authority: CN
Inventors: 胡兆祥; 郑直; 何金亮; 王培佩
Original assignee: WUHAN YANGTZE OPTICAL TECHNOLOGY Co Ltd
Current assignee: WUHAN YANGTZE OPTICAL TECHNOLOGY Co Ltd
Priority date: 2017-12-29
Filing date: 2017-12-29
Publication date: 2020-01-31
Anticipated expiration: 2037-12-29
Also published as: CN108123752A

Abstract

accurate EPON loop detection method based on geographic information positioning comprises the steps of S1, after ONU supporting geographic positioning information service obtains accurate geographic positioning information and enables loop detection of ONU UNI ports, the ONU UNI ports send protocol message GPDUs containing equipment information and accurate geographic positioning information, S2, the ONU monitors the protocol message GPDU of the UNI ports, the protocol message GPDU contains equipment information and accurate geographic positioning information of other ONUs forming loop alarm events with the equipment information, the ONU reports the loop alarm event notification to the OLT, S3, the OLT collects loop fault information and reports to the NMS after receiving the loop alarm events, and the NMS forms visual or visual loop topology information according to the loop fault information.

Description

EPON precise loop detection method based on geographic information positioning

Technical Field

The invention relates to the field of EPON network fault diagnosis and the like, in particular to EPON accurate loop detection methods based on geographic information positioning, which are particularly suitable for diagnosing common network loop faults and accurately positioning specific geographic information of fault equipment in a complex environment of large-scale EPON operation, and are convenient to operate and maintain.

Background

With the continuous popularization of broadband strategy in China, the FTTH access network operation has already realized ultra-large-scale commercial use in China, and the continuously enlarged commercial scale puts forward higher quality requirements and faster time requirements on the operation, maintenance and repair of operators.

Currently, most of EPON devices use standard protocols such as STP/RSTP/MSTP, but the protocols have obvious defects: when a loop occurs, the specific positions of the home terminal and the opposite terminal of the failed loop cannot be accurately analyzed only by closing the UNI port of the home terminal of the ONU, so that operation or maintenance personnel cannot conveniently and quickly solve the failure.

Disclosure of Invention

The invention aims to solve the technical problems that specific position information of a loop fault cannot be accurately given by the existing STP/RSTP/MSTP and other protocols, operation is inconvenient or maintenance personnel can rapidly solve the defect of loop removal, EPON accurate loop detection methods based on geographic information positioning are provided, specific equipment information and geographic positioning information of the loop fault are accurately positioned, the clear loop position and topological structure are given by an NMS network management system of the loop fault, and visual operation and maintenance are basically realized.

The technical scheme adopted by the invention for solving the technical problems is as follows:

EPON precise loop detection method based on geographic information positioning, comprising the following steps:

s1, after the ONU supporting the geographical positioning information service acquires the accurate geographical positioning information (the ONU has the detection capability), and after the loop detection of the ONU UNI port is enabled, the ONU UNI port sends protocol message GPDUs, wherein the protocol message GPDU carries the basic equipment information and the geographical positioning information of the ONU identified only by ;

s2, the ONU monitors the message receiving condition of the UNI port, if a protocol message GPDU is received, the ONU basic equipment information and geographical positioning information in the protocol message GPDU are analyzed, the protocol message GPDU contains the equipment information and geographical positioning information of ONUs forming a loop alarm event with the protocol message GPDU, and the ONU reports the loop alarm event to the OLT in an OAM message form;

and S4, the NMS forms visual or visual loop fault topology information according to the gathered loop fault information.

According to the above scheme, the loop fault information in step S3 includes the information of each device, the geolocation information of the device, the system time, the alarm type and the alarm level related to the loop alarm event.

According to the above scheme, the NMS network management system in step S4 is provided with a geographic positioning information topology analysis module having a geographic positioning information topology analysis function, and after receiving a loop alarm event reported by the OLT, the geographic positioning information topology analysis module forms an intuitive geographic information topology map according to each device information and geographic positioning information given by the event, thereby facilitating operation and maintenance management.

The invention has the following beneficial effects:

1. specific equipment information and geographical positioning information of the loop fault can be accurately positioned, and the specific geographical positioning information can be provided under the same NMS network management system (platform) no matter the equipment loop fault under the same OLT port, the equipment loop fault under different OLT ports or even the EPON loop fault of cross-OLT equipment;

2. the clear loop position and the topology structure of the loop fault are given by an NMS network management system, and the visual operation and maintenance can be basically realized;

3. the present invention can also be used to extend the existing STP/RSTP/MSTP technologies to make them more operational.

Drawings

Fig. 1 is a topological diagram of an EPON precise loop detection method based on geographical information positioning according to the present invention.

Detailed Description

The invention is further described in below with reference to the drawings.

Referring to fig. 1, the method for detecting an accurate loop of an EPON based on geographical information positioning according to the present invention includes the following steps:

s1, after the ONU supporting the geographical positioning information service acquires the accurate geographical positioning information, the ONU has the detection capability, after the loop detection of the ONU UNI port is enabled, the ONU UNI port sends protocol message GPDUs, and the protocol message GPDU carries the basic equipment information and the geographical positioning information of the ONU which are only identified by ;

s2, the ONU monitors the message receiving condition of the UNI port, if the protocol message GPDU is received, the basic equipment information and the geographical positioning information of the ONU in the protocol message GPDU are analyzed, the equipment information and the geographical positioning information of the other ONUs forming the loop alarm event with the GPDU are accurately analyzed, and the ONU reports the loop alarm event to the OLT through an OAM message form by combining the equipment information and the geographical positioning information of the ONU;

s3, after receiving the loop alarm event of ONU, OLT combines the equipment information and geographical positioning information of OLT, and synthesizes and collects the loop fault information and reports it to NMS network management system, where the loop fault information includes the equipment information, geographical positioning information, system time, alarm type and alarm level related to the loop alarm event;

s4, the NMS forms accurate loop fault information according to the alarm summary, and forms a visual topological graph; the NMS network management system is provided with a geographic positioning information topology analysis module with a geographic positioning information topology analysis function, and after a loop alarm event reported by the OLT is received, the geographic positioning information topology analysis module forms a visual geographic information topology map according to each device information and geographic positioning information given by the event, so that operation and maintenance management are facilitated.

The invention does not need the EPON OLT/ONU to have GS geographic information positioning function or a specific GS module, the geographic position information of the OLT/ONU can also be configured and imported by operation and maintenance personnel, when the ONU equipment acquires the geographic positioning information, the ONU equipment can send out a loop detection message with equipment information and the geographic positioning information and continuously monitors the message receiving condition of a port, when the ONU port detects and receives the loop detection message, the ONU can judge that the network where the ONU is located generates loop fault, the ONU analyzes the equipment information and the geographic positioning information of the faulty ONU (opposite end) from the received loop detection message, combines the equipment information and the geographic positioning information of the ONU (home end) to assemble a specific loop alarm event and report the OLT, and after the OLT receives the loop alarm event, the OLT combines the equipment information and the geographic positioning information of the OLT to form comprehensive loop fault information and reports the NMS network management system.

Various corresponding changes and modifications may be made in accordance with the present invention by those skilled in the art, and all such corresponding changes and modifications are intended to fall within the scope of the appended claims.

Claims

1, EPON precise loop detection method based on geographic information positioning, which is characterized by comprising the following steps:

s1, after the ONU supporting the geographical positioning information service acquires the accurate geographical positioning information and enables the loop detection of the ONU UNI port, the ONU UNI port sends protocol message GPDUs, and the protocol message GPDU carries the basic equipment information and the geographical positioning information of the only identification ONU;

s2, the ONU monitors the message receiving condition of the UNI port, if a protocol message GPDU is received, the basic equipment information and the geographical positioning information of the ONU in the protocol message GPDU are analyzed, the protocol message GPDU contains the equipment information and the geographical positioning information of other ONUs which form a loop alarm event with the protocol message GPDU, and the ONU reports the loop alarm event to the OLT in an OAM message form;

s3, after receiving the loop alarm event, the OLT integrates the equipment information and the geographical positioning information of the ONU with the equipment information and the geographical positioning information of the OLT, summarizes the loop fault information and reports the information to the NMS network management system;

2. The method of claim 1, wherein the loop fault information in step S3 includes information about each device involved in the loop alarm event, geolocation information of the device, system time, alarm type and alarm level.

3. The method for detecting the precise loop of the EPON based on the geographical information positioning as recited in claim 1, wherein the NMS network management system in step S4 is configured with a geographical positioning information topology analysis module having a geographical positioning information topology analysis function, and when a loop alarm event reported by the OLT is received, the geographical positioning information topology analysis module forms an intuitive geographical information topology map according to the device information and the geographical positioning information given by the event.