CN102055522B - Optical network unit port loopback detection method thereof and optical network unit - Google Patents
Optical network unit port loopback detection method thereof and optical network unit Download PDFInfo
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Abstract
The invention discloses a kind of optical network unit port loopback detection method thereof and optical network unit, the method includes: ONU receives the management entity ME field from OLT, wherein, the one or more retention figures in the desired type of ME field represent needs ONU to carry out loop back detection；ONU carries out loop back detection according to ME field.The invention solves ONU end mouth loopback detection implementation disunity, dock the problem that interoperability test is difficult to, quickly realize loop back detection function for each manufacturer and provide conveniently, decrease workload, improve the efficiency to logical test.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of optical network unit (OpticalNetworkUnit, referred to as ONU) port loopback detection method thereof and optical network unit.
Background technology
At gigabit passive optical network (Gigabit-capablePassiveOpticalNetwork, referred to as GPON) in system, owing to the loop back detection of ONU does not have special management entity (ManagedEntity, referred to as ME) it is defined and realizes, therefore, must defining privately owned ME and can realize this function, this has resulted in the implementation disunity of ONU end mouth loopback detection of each manufacturer, the problem that docking interoperability test is difficult to.
Summary of the invention
For the ONU end mouth loopback detection implementation disunity existed in correlation technique, the docking problem that is difficult to of interoperability test, the present invention is proposed, for this, a kind of optical network unit port loopback detection method thereof of offer and optical network unit are provided, with solve the problems referred to above at least one.
To achieve these goals, according to an aspect of the invention, it is provided a kind of ONU end mouth loop detection method.
ONU end mouth loop detection method according to the present invention includes: ONU receives the management entity ME field from OLT, and wherein, the one or more retention figures in the desired type of ME field represent needs ONU to carry out loop back detection；ONU carries out loop back detection according to ME field.
Preferably, ONU receives from before the ME field of OLT, and said method also includes: pre-set the value of retention figures in the desired type of ME field, and the value of retention figures is notified ONU and OLT.
Preferably, ONU carries out before loop back detection according to ME field, and said method also includes: ME field is stored in global data base after determining that ME field is legal by ONU.
Preferably, ONU carries out before loop back detection according to ME field, and said method also includes: ONU calls the configuration before ONU end mouth drives adaptation layer to carry out loop back detection according to ME field.
Preferably, ONU carries out loop back detection according to ME field and includes: ONU carries out loop back detection according to ME field, and when detecting that ONU exists port loopback, to OLT report and alarm.
To achieve these goals, according to a further aspect in the invention, it is provided that a kind of optical network unit.
Optical network unit according to the present invention includes: the first receiver module, and for receiving the management entity ME field from OLT, wherein, the one or more retention figures in the desired type of ME field represent needs ONU to carry out loop back detection；Detection module, for carrying out loop back detection according to ME field.
Preferably, above-mentioned optical network unit also includes: the second receiver module, for receiving the value of retention figures in the desired type of the ME field pre-set.
Preferably, above-mentioned optical network unit also comprises determining that module, is used for determining that ME field is legal；Memory module, for determining that module determines that legal ME field is stored in global data base.
Preferably, above-mentioned optical network unit also includes: configuration module, for calling the configuration before ONU end mouth drives adaptation layer to carry out loop back detection according to ME field.
Preferably, above-mentioned detection module includes: detection sub-module, for carrying out loop back detection according to ME field；Alarm submodule, for when detection sub-module detects that ONU exists port loopback, to OLT report and alarm.
Pass through the present invention, the expression pre-set in the desired type of ME field is adopted to need ONU to carry out the value of retention figures of loop back detection, and notice and the execution of loop back detection is carried out according to this value, solve ONU end mouth loopback detection implementation disunity, dock the problem that interoperability test is difficult to, quickly realize loop back detection function for each manufacturer and provide conveniently, decrease workload, improve the efficiency to logical test.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of ONU end mouth loop detection method according to embodiments of the present invention；
Fig. 2 is the data flow schematic diagram of ONU end mouth loop detection method according to embodiments of the present invention；
Fig. 3 is the message flow chart of ONU end mouth loop detection method according to embodiments of the present invention；
Fig. 4 is the structured flowchart of ONU according to embodiments of the present invention；
Fig. 5 is the detailed block diagram of ONU according to embodiments of the present invention.
Detailed description of the invention
Functional overview
Consider the problems of the prior art, embodiments provide a kind of optical network unit loop back detection scheme, the treatment principle of the program is: ONU receives the management entity ME field from OLT, wherein, the one or more retention figures in the desired type of ME field represent needs ONU to carry out loop back detection；ONU carries out loop back detection according to ME field.The program specification method realizing loopback based on port of ONU, quickly realizes loop back detection function for each manufacturer and provides conveniently, decrease workload, improve the efficiency to logical test.
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Embodiment of the method
According to embodiments of the invention, it is provided that a kind of ONU end mouth loop detection method, as it is shown in figure 1, the method includes steps S102 to step S104:
Step S102, ONU receive the management entity ME field from OLT, and wherein, the one or more retention figures in the desired type of ME field represent needs ONU to carry out loop back detection.
Step S104, ONU carry out loop back detection according to ME field.
Receive from before the ME field of OLT at ONU, it is possible to pre-set the value of retention figures in the desired type of ME field, and the value of retention figures is notified ONU and OLT.
ONU carries out according to ME field before loop back detection, and ME field, after determining that ME field is legal, is stored in global data base by ONU；ONU calls the configuration before ONU end mouth drives adaptation layer to carry out loop back detection according to ME field.
In step S104, ONU carries out loop back detection according to ME field and includes: ONU carries out loop back detection according to ME field, and when detecting that ONU exists port loopback, to OLT report and alarm.
Below in conjunction with example, the process that realizes of the embodiment of the present invention is described in detail.
Embodiment
Fig. 2 is the data flow schematic diagram of ONU end mouth loop detection method according to embodiments of the present invention, Fig. 3 is the message flow chart of ONU end mouth loop detection method according to embodiments of the present invention, this embodiment describes the handling process of ONU end mouth loop detection method in detail in conjunction with Fig. 2, Fig. 3, comprises the following steps:
Step 201, expands existing ME field meanings.The definition of existing ME field is as follows:
Physical pathway destination node Ethernet interface (PhysicalpathterminationpointEthernetUNI)
Relation
One example of this management entity ME is associated with that purchase in advance or real ethernet port.
Attribute
| Management entity ID (Managed entity id) | This attribute uniquely identifies each example of this management entity ME.The number of the two byte Sign knows the physical location of UNI.First character joint is slot number (in 9.1.5 joint definition). the Two bytes are port numbers, and scope is 1..255. (R) (enforceable) (2bytes) |
| Desired type (Expected type) | This attribute is supported prewired. its coded system is as follows: 0 detects automatically A value in the value that 1to 254 table 9.1.5-1 shows is mutually compatible with ethernet circuit bag. For the example of ME, this property value is set to 0 (R, W) (enforceable) (1 by ONT byte) |
| Detection type (Sensed type) | When circuit bag exists, this attribute carrys out table by the table 9.1.5-1 value shown Show its type.If it is expected that the value of type is not 0, then detection types value should with the value of desired type Identical.For the example of ME, this property value is set to 0 by ONT.Referring to in sending a notice Explanation. |
| ... | ... |
Table 9.1.5-1
| Coding | Content | Description |
| 0 | No LIM | Default value |
| 1..12 | See[ITU-T G.983.2] | Various ATM-based UNIs |
| 13 | C1.5(DS1) | 1.544Mbit/s local(T-interface)module |
| 14 | C2.0(E1) | 2.048Mbit/s local(T-interface)module |
| 15 | C6.3(J2) | 6.312Mbit/s local(T-interface)module |
| 16 | C-DS1/E1 | Configurable DS1/E1 module |
| 17 | C-DS1/E1/J1 | Configurable DS1/E1/J1 module |
| 18 | C6.3U(J2) | 6.312Mbit/s remote(U-interface)module |
| 19 | C192k | 192kbit/s local(T-interface)module |
| 20 | C44.7(DS3) | 44.736Mbit/s local(T-interface)module |
| 21 | C34.3(E3) | 34.368Mbit/s local(T-interface)module |
| 22 | 10BaseT | 10 BaseT Ethernet LAN IF |
| 23 | 100BaseT | 100 BaseT Ethernet LAN IF |
| 24 | 10/100BaseT | 10/100 BaseTx Ethernet LAN IF(Note) |
| Coding | Content | Description |
| 25..27 | See[ITU-T G.983.2] | Various non-Ethernet LAN technologies 3 --> |
| 28 | C1.5(J1) | 1.544Mbit/s local(T-interface)module |
| 29 | A150SMF SONET | ATM OC-3SMF UNI |
| 30 | A150MMF SONET | ATM OC-3MMF UNI |
| 31 | A150UTP SONET | ATM OC-3UTP UNI |
| 32 | POTS | Plain old telephony service |
| 33 | ISDN-BRI | ISDN basic rate interface |
| 34 | Gigabit optical Ethernet | Gigabit Ethernet optical IF(Note) |
| 35 | xDSL | xDSL IF |
| 36 | SHDSL | SHDSL IF |
| 37 | VDSL | VDSL IF([ITU-T G.993.1]) |
| 38 | Video service | Video module |
| 39 | LCT | Local craft terminal interface |
| 40 | 802.11 | [IEEE 802.11]interface |
| 41 | xDSL/POTS | Combination xDSL and POTS interfaces |
| 42 | VDSL/POTS | Combination VDSL([ITU-T G.993.1])and POTS interfaces |
| 43 | Common equipment | Circuit packs such as removable power supply modules or ON U controllers |
| 44 | Combined video UNI and PON interface | Circuit pack that combines both functions |
| 45 | Mixed services equipment | Circuit pack with several types of ANI and/or UNI.Suggeste d foruse with the port mapping package-G managed entity. |
| 46 | MoCA | MoCA |
| 47 | 10/100/1000BaseT | 10/100/1000 BaseTx Ethernet LAN IF(Note) |
| 48..191 | Reserved | |
| 192..223 | Vendor-specific | Reserved for vendor use, not to be standardized |
| 224..242 | Reserved | |
| 243 | GPON1244155 | G-PON interface, 1244Mbit/s downstream and 155Mbit/s upstream |
| 244 | GPON1244622 | G-PON interface, 1244Mbit/s downstream and 622Mbit/s upstream |
| 245 | GPON12441244 | G-PON interface, 1244Mbit/s downstream and 1244Mbit/s upstream |
| 246 | GPON2488155 | G-PON interface, 2488Mbit/s downstream and 155Mbit/s upstream |
| 247 | GPON2488622 | G-PON interface, 2488Mbit/s downstream and 622Mbit/s upstream |
| 248 | GPON24881244 | G-PON interface, 2488Mbit/s downstream and 1244Mbit/s upstream |
| 249 | GPON24882488 | G-PON interface, 2488Mbit/s downstream and 2488Mbit/s upstream |
| Coding | Content | Description |
| 250..254 | See[ITU-T G.983.2] | G-PON and B-PON interfaces of diverse rates |
| 255 | Plug-and-play/unknown | Plug-and-play(for the cardholder managed entity only). Unrecognized module(for the circuit pack managed entity on ly). |
This step utilizes the retention figures (that is, 48 to 191 and 224 to 242 in table 9.1.5-1) in Expectedtype (desired type) this field to represent, and this port needs to perform loop back detection function.
Step 202, OLT, ONU realizes the support to ME field.For OLT, it is necessary to ONU is configured by ME by definition.Configuration sequence is as follows:
1. create PhysicalpathterminationpointEthernetUNI entity, and to arrange Expectedtype field on request be loop back detection.
2.ONU, according to the ME arranged, checks configuration legitimacy, if legal, first stores data in global data base.
3. the data according to storage, call ONU end mouth and drive adaptation layer to configure, it is achieved the loop back detection function of needs, when port loopback being detected, report and alarm is to OLT.
Step 203, completes the docking of ONU, OLT, it is achieved the function of requirement.After having configured, whether checking loop back detection function meets the demand of user, completes scheduling feature.
In above-mentioned steps, ONU and OLT can be forwarded by ODN alternately.
Device embodiment
According to embodiments of the invention, provide a kind of ONU, Fig. 4 is the structured flowchart of ONU according to embodiments of the present invention, as shown in Figure 4, this ONU includes: the first receiver module 42, for receiving the management entity ME field from OLT, wherein, the one or more retention figures in the desired type of ME field represent needs ONU to carry out loop back detection；Detection module 44, is connected to the first receiver module 42, for carrying out loop back detection according to ME field.
Fig. 5 is the detailed block diagram of ONU according to embodiments of the present invention, as it is shown in figure 5, on the basis of Fig. 4, this ONU also includes: the second receiver module 51, it is connected to the first receiver module 42, for receiving the value of retention figures in the desired type of the ME field pre-set.Determine module 52, be connected to the first receiver module 42, be used for determining that ME field is legal；Memory module 53, is connected to and determines module 52, for determining that module determines that legal ME field is stored in global data base.Configuration module 54, is connected to memory module 53, for calling the configuration before ONU end mouth drives adaptation layer to carry out loop back detection according to ME field.Above-mentioned detection module 44 includes: detection sub-module 55, for carrying out loop back detection according to ME field；Alarm submodule 56, is connected to detection sub-module 55, for when detection sub-module 55 detects that ONU exists port loopback, to OLT report and alarm.
It addition, for OLT, it is also desirable to include a receiver module, for receiving the value of retention figures in the desired type of the ME field pre-set.
In actual applications, it is achieved the device of optical network unit loop back detection can include with lower module: redefines module, for existing ME field is redefined；ONU stores data base, for storing the ME received；ONU end mouth drives adaptation module, for the ONU end mouth needing detection is configured；ONU end mouth drives module, for carrying out loop back detection according to above-mentioned configuration.
To sum up, the ONU end choma that the embodiment of the present invention provides returns the method realizing loopback based on port of detection scheme specification ONU, quickly realizes loop back detection function for each manufacturer and provides conveniently, decreases workload, improve the efficiency to logical test.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although illustrating logical order in flow charts, but in some cases, it is possible to perform shown or described step with the order being different from herein.
Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or it is distributed on the network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, can be stored in storage device is performed by calculation element, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize.So, the present invention is not restricted to the combination of any specific hardware and software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (8)
1. an optical network unit ONU port loopback detection method thereof, it is characterised in that including:
ONU receives the management entity ME field from OLT, and wherein, the one or more retention figures in the desired type of described ME field represent that the described ONU of needs carries out loop back detection；
Described ONU carries out loop back detection according to described ME field；
Wherein, described ONU receives from before the described ME field of described OLT, and described method also includes:
Pre-set the value of retention figures described in the desired type of described ME field, and the value of described retention figures is notified described ONU and described OLT.
2. method according to claim 1, it is characterised in that before described ONU carries out described loop back detection according to described ME field, described method also includes:
Described ME field is stored in global data base after determining that described ME field is legal by described ONU.
3. method according to claim 1, it is characterised in that before described ONU carries out described loop back detection according to described ME field, described method also includes:
Described ONU calls the configuration before ONU end mouth drives adaptation layer to carry out loop back detection according to described ME field.
4. method according to claim 1, it is characterised in that described ONU carries out described loop back detection according to described ME field and includes:
Described ONU carries out described loop back detection according to described ME field, and when detecting that described ONU exists port loopback, to described OLT report and alarm.
5. an ONU, it is characterised in that including:
First receiver module, for receiving the management entity ME field from OLT, wherein, the one or more retention figures in the desired type of described ME field represent that the described ONU of needs carries out loop back detection；
Detection module, for carrying out loop back detection according to described ME field；
Wherein, described ONU also includes:
Second receiver module, for receiving the value of retention figures described in the desired type of the described ME field pre-set.
6. ONU according to claim 5, it is characterised in that described ONU also includes:
Determine module, be used for determining that described ME field is legal；
By described, memory module, for determining that module determines that legal described ME field is stored in global data base.
7. ONU according to claim 5, it is characterised in that described ONU also includes:
Configuration module, for calling the configuration before ONU end mouth drives adaptation layer to carry out loop back detection according to described ME field.
8. ONU according to claim 5, it is characterised in that described detection module includes:
Detection sub-module, for carrying out described loop back detection according to described ME field；
Alarm submodule, for when described detection sub-module detects that described ONU exists port loopback, to described OLT report and alarm.
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| CN103036731B (en) * | 2011-09-30 | 2018-05-15 | 中兴通讯股份有限公司 | A kind of equipment of the loopback detection based on stream, system and method |
| CN104539348B (en) * | 2015-01-06 | 2017-04-12 | 烽火通信科技股份有限公司 | PON system link loopback detection method and device |
| CN104836617B (en) * | 2015-05-29 | 2017-08-11 | 新华三技术有限公司 | fault locating method and device |
| CN104993969B (en) * | 2015-07-28 | 2018-01-16 | 上海斐讯数据通信技术有限公司 | A kind of asynchronous configuration ONU methods, system and OLT |
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| CN101047446A (en) * | 2006-08-25 | 2007-10-03 | 华为技术有限公司 | Device and method for allocating Ethernet service in passive optical network and management entity |
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| CN101047446A (en) * | 2006-08-25 | 2007-10-03 | 华为技术有限公司 | Device and method for allocating Ethernet service in passive optical network and management entity |
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