CN102238019A - Optical network unit (ONU) and method for reporting capacity thereof - Google Patents
Optical network unit (ONU) and method for reporting capacity thereof Download PDFInfo
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Abstract
The invention discloses an optical network unit ONU and a method for reporting capacity thereof. The method comprises steps as follows: an ONU registers to an optical line terminal (OLT); after finishing the registration, the ONU reports the locally stored capacity information to the OLT; and when detecting that the actual capacity information is different from the stored capacity information, the ONU reports the actual capacity information to the OLT. By using the invention, the ONU can completely reflect the self capacity to the OLT in time, thereby implementing quick registration of the ONU as wells as accurate and complete reporting of capacity.
Description
Technical Field
The invention relates to the field of communication, in particular to an optical network unit and a capability reporting method thereof.
Background
The technology and application of FTTx (Fiber-to-the-x) is rapidly developing and has become one of the hot spots of research and application worldwide. Through the development of Passive Optical Network (PON) for nearly 20 years, the technology not only becomes an important direction for fixed Network operators to realize the development of an access layer Network transformation technology of optical copper-in and optical copper-out, but also starts to implement the deployment practice of networks. Most of Network evolution of "Optical copper-in and Optical copper-out" is built through an FTTB (Fiber To The Building) mode, an important Network node device in The FTTB Building mode is an MDU (Multiple dwelling Unit) type ONU (Optical Network Unit), and in order To realize effective management of The MDU type ONU, integrity reported by The self-capability of The MDU type ONU must be ensured.
In the latest "technical requirements for EPON equipment for telecommunications in china" (hereinafter referred to as "technical requirements"), two types of branch leaf (OAM identification codes) (0Xc7004 and 0Xc70007) describing the capabilities of an ONU are defined for version 2.0 and version 2.1, and for query requests of the two branch leaves, the ONU is required to return "0 x 86" (indicating that the versions are not matched), or an extended OAM (Operation, administration and Maintenance) frame format specified in "technical requirements" is used for reporting the capabilities of the ONU. The capability of the ONU mainly includes port types (such as ethernet, ADSL (asymmetric Digital Subscriber Loop), VDSL (Very-high-speed-bit-rate Digital Subscriber Loop), E1, etc.) and numbers supported by the ONU, and an OLT (Optical Line Terminal) may further manage the ports of each type of the ONU according to the acquired capability of the ONU. However, for a slot-in multi-dwelling Unit (MDU) type ONU and a multi-merchant Unit (MTU) type ONU, since the structure is relatively complex, the same MDU (MTU) type ONU may use different combinations of user boards, and the specific capabilities embodied by the same MDU (MTU) type ONU are also diverse, so that the method of reporting the capabilities to the OLT is relatively complex.
According to the technical requirements, the extended OAM must implement basic information and capability advertisement of the MDU-type ONU to implement further management of the MDU-type ONU (e.g. status query of UNI (User Network Interface) port, vlan (virtual local area Network) configuration, management of voip (Voice over IP)/E1 port, etc.). At present, there are two main ways for reporting the capacity of MDU-type ONUs in the market or in research and development:
the first mode is to get online instantly, and only reports the currently acquired capability to the OLT. Specifically, the registration process and the capability query process are parallel, and after the MDU-type ONU is started, the registration process registers to the OLT, and at this time, because the time required by the capability query process to query the hardware capability of the device is long, and the capability query process queries that part of the capability of the device may be, the part of the capability information of the MDU-type ONU may be reported after the registration is completed. This approach is simple to implement, but may differ from the actual situation;
the second way is to wait for the MDU-type ONU to complete its capability judgment before starting registration. Specifically, the registration process and the capability query process are serial, and the capability query process registers the OLT after the capability information of the device is completely queried, and reports the queried capability information to the OLT after the registration is completed. The method can ensure the accuracy of the reporting capability, but the online time is not rapid enough.
In the two reporting modes for the capacity of the MDU-type ONU with the pluggable user board, due to the limitation of the reporting time and the time for acquiring the actual capacity, the actual online time of the MDU-type ONU can be delayed, or the reporting capacity cannot completely conform to the actual configuration situation, and both the problems of quick registration and completeness of the reporting capacity cannot be considered exist.
Disclosure of Invention
The present invention is directed to an optical network unit and a capability reporting method thereof, so as to at least solve the above problems.
According to an aspect of the present invention, a method for reporting a capability of an ONU is provided, including: the ONU registers to an optical line terminal OLT; after the registration is completed, reporting the locally stored capability information to the OLT; and when the fact that the actual capability information of the OLT is inconsistent with the stored capability information is detected, reporting the actual capability information to the OLT.
According to another aspect of the present invention, there is provided an optical network unit ONU comprising: the registration module is used for registering to the optical line terminal OLT; the capability detection module is used for detecting the actual capability information of the optical network unit; the reporting module is used for reporting the locally stored capability information to the OLT after the registration is finished; and reporting the actual capability information to the OLT when the actual capability information is inconsistent with the stored capability information.
According to the invention, the ONU is started and quickly registered, and reports the actual capability information when detecting that the actual capability information is inconsistent with the locally stored capability information, so that the problems that quick registration cannot be considered and the integrity of the reported capability cannot be ensured in the related technology are solved, the ONU can be ensured to timely and completely reflect the self capability to the OLT, and the quick registration and accurate and complete reporting of the capability of the ONU are realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a capability reporting method of an optical network unit according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of an optical network unit according to a first embodiment of the present invention; and
fig. 3 is a flowchart of a capability reporting method of an optical network unit according to a second embodiment of the present invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The passive optical network system mainly comprises: local side equipment OLT and customer premises equipment ONU. In order to realize effective management of the OLT on the ONU, the ONU must register with the OLT and report its own capability information after the registration is completed. Embodiments of the invention are implemented in the passive optical network system.
Fig. 1 is a flowchart of a capability reporting method of an optical network unit according to an embodiment of the present invention, including the following steps:
step S102, the ONU registers to the OLT;
step S104, reporting the locally stored capability information to the OLT after the registration is finished;
and step S106, reporting the actual capability information to the OLT when detecting that the actual capability information of the OLT is inconsistent with the stored capability information.
The ONU of the embodiment is started and then quickly registered, and reports the actual capability information when detecting that the actual capability information is inconsistent with the locally stored capability information, thereby solving the problem that quick registration and the integrity of the reported capability cannot be considered in the related technology. By using the embodiment, the ONU can be ensured to reflect the self capability to the OLT in time and completely, and the rapid registration and accurate and complete reporting of the capability of the ONU are realized.
Preferably, before step S102, the method further includes: starting the ONU; acquiring own capability information from a configuration file; and storing the acquired capacity information into a special data storage interval.
The preferred embodiment separates the registration process and the capability acquisition process of the ONU by opening up a dedicated data storage interval, thereby ensuring that the ONU can completely reflect its own capability to the OLT in time. Specifically, the ONU acquires its own capability information from the configuration file to a dedicated data storage area at the beginning of startup. Furthermore, the time required to obtain the capability information from the configuration file is much shorter than the time required to obtain the actual capability information, thereby enabling fast registration of the ONU.
Preferably, in the above method, further comprising: and when the fact that the actual capability information of the user is inconsistent with the stored capability information is detected, updating the configuration file and the capability information stored in the special data storage interval by the actual capability information.
The preferred embodiment realizes timely updating of the capability information of the ONU, so that the ONU performs fast registration when being started next time, and compares the acquired actual capability information with the capability information stored in the dedicated data storage interval.
Preferably, step S104 includes: after the registration is completed, the ONU receives a capability query message from the OLT; and sending a capability query reply message to the OLT, wherein the capability query reply message carries the stored capability information.
The embodiment provides a specific implementation scheme that after the ONU is started and rapidly registered, the ONU reports the capability information of the ONU. The capability query message and the capability query reply message are in an OAM frame format. The registration process of step S102 at this time may also be referred to as pre-registration. Specifically, the ONU completes the expansion discovery, receives the capability query OAM of the OLT, constructs a capability query reply OAM according to the capability information in the dedicated data storage interval, reports its own capability to the OLT, and quickly completes the registration process, which may also be referred to as pre-registration.
Preferably, step S106 includes: the ONU monitors the hardware change condition of the ONU and acquires actual capability information; judging whether the actual capability information is consistent with the stored capability information; if the actual capability information is inconsistent with the stored capability information, registering the OLT again; after the registration is completed, the actual capability information is reported to the OLT.
The preferred embodiment provides a specific implementation scheme for re-registering and reporting the actual capability information when the ONU determines that the current actual capability information is inconsistent with the stored capability information.
The ONU monitors the hardware change condition of the ONU and acquires the actual capability information, and the method comprises the following steps: when monitoring that the hardware of the ONU is plugged, the ONU judges that the hardware is changed and acquires the current capability information as the actual capability information (namely, an interruption triggering mode); alternatively, the ONU periodically monitors the hardware variation and acquires the current capability information as the actual capability information (i.e., a periodic inspection method).
The preferred embodiment provides two ways of monitoring and acquiring actual capability information, and adopts a way of interruption triggering or periodic check to monitor the hardware change condition of the ONU (mainly plugging and unplugging of a user card) to judge whether the current capability configuration is consistent with the capability information stored in the special data storage interval, if not, the current configuration is stored and re-registration is carried out; and if the registration information is consistent with the registration information, the ONU automatically jumps to a normal registration state. When the hardware configuration is inconsistent with the hardware configuration, whether the configuration is stored for re-registration or the hardware change is ignored can be selected according to the setting (capability real-time reporting setting). A mode can be flexibly selected according to requirements for monitoring and acquiring actual hardware capability information.
The ONU is a multi-dwelling unit (MDU) type ONU or a multi-business unit (MTU) type ONU. For the slot-in multi-dwelling unit (MDU) type ONU and the multi-merchant unit type ONU, because the structure is relatively complex, the same MDU (mtu) type ONU can use different user board combinations, and the embodied specific capabilities are also diverse, the capability reporting method of the preferred embodiment can be adopted.
Fig. 2 is a schematic structural diagram of an optical network unit according to a first embodiment of the present invention.
As shown in fig. 2, the optical network unit includes:
a registration module 10, configured to register with an optical line terminal OLT;
a capability detection module 20 for detecting actual capability information of the optical network elements;
a reporting module 30, configured to report the locally stored capability information to the OLT after the registration is completed; and reporting the actual capability information to the OLT when the actual capability information is inconsistent with the stored capability information.
In the above optical network unit, the method further includes:
a starting module 40, configured to start an ONU;
an obtaining module 50, configured to obtain capability information of the ONU from the configuration file;
and a saving module 60, configured to save the acquired capability information into the dedicated data storage interval.
Among them, the ability detection module 20 includes: a monitoring obtaining unit 201, configured to monitor a hardware change condition of the ONU and obtain actual capability information; a judging unit 202, configured to judge whether the actual capability information is consistent with the stored capability information;
when the actual capability information is inconsistent with the stored capability information, the registration module 10 registers with the OLT again;
after the registration is completed, the reporting module 30 reports the actual capability information to the OLT.
By the optical network unit and the capability reporting method thereof in the preferred embodiment, the MDU-type ONU can ignore the time spent waiting for the user board to start and the hardware capability information to query actually, thereby realizing fast on-line, re-register by monitoring the hardware change condition, and report the actual capability information when the actual capability information is inconsistent with the stored capability information, thereby ensuring the integrity and accuracy of capability reporting, and realizing the effective management of the OLT on the MDU-type ONU.
Fig. 3 is a flowchart of a capability reporting method of an ONU according to a second embodiment of the present invention, where in the preferred embodiment, the ONU includes two modules: after a registration module 70 (equivalent to the registration module 10, the acquisition module 50, the storage module 60, and the reporting module 30 in the first embodiment of the ONU) and a capability maintenance information module 80 (equivalent to the capability detection module 20, the registration module 10, and the reporting module 30 in the first embodiment of the ONU are started and each application process, including a registration module process corresponding to the registration module 70 and a capability information maintenance module process corresponding to the capability information maintenance module 80, is loaded, the capability reporting method includes the following steps:
step S302, the registration module 70 acquires the capability information of the ONU from the configuration file to the dedicated data storage interval before registration;
step S304, registering to the OLT;
step S306, after the registration is finished, the ONU reports the self capacity to the OLT according to the capacity information stored in the special data storage interval, after the capacity reporting is finished, the OLT can carry out various configurations on the ONU according to the capacity information reported by the ONU, but the reported capacity is not confirmed, so the ONU is also called pre-registration, and the ONU is marked to be in a pre-registration state;
step S308, the module 80 for maintaining the information of the capability information confirms the capability information, and the ONU enters a normal registration state (marks the ONU as a normal registration state);
step S310, the capability information maintenance module 80 monitors the hardware change condition of the ONU (mainly, the plugging and unplugging actions of the user board) by means of interrupt triggering or periodic inspection, and acquires the hardware capability information at a proper time;
specifically, when an interruption triggering mode is adopted, the appropriate time is when the plugging and unplugging actions of the hardware of the ONU are monitored; when the mode of periodic checking is adopted, the above-mentioned suitable timing is when a predetermined period arrives.
Step S312, judging whether the capability information stored in the special data storage interval is consistent with the acquired actual hardware capability information, if so, turning to step S308; otherwise go to step S314;
step S314, judging whether a capability real-time reporting function is configured, if not, ignoring the hardware change, and turning to step S308, and if so, turning to step S316;
step S316, updating the configuration file and the capacity information saved in the special data storage interval by the actual hardware capacity information;
step S318, a new registration is restarted, and the actual hardware capability information is reported to the OLT after the registration is completed.
The steps S302 to S308 are executed by the registration module 70, and the steps S310 to S318 are executed by the capability information maintenance module 80.
It is worth noting that: in case no change occurs in the hardware of the ONU, the pre-registration state is actually equivalent to the normal registration state.
From the above description, it can be seen that the present invention achieves the following technical effects: the completeness, the accuracy and the quick registration of the capability report of the ONU equipment are ensured, and the realization of other functions and performances is not influenced, so that the OLT can quickly and effectively manage the ONU.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for reporting the capability of an Optical Network Unit (ONU) is characterized by comprising the following steps:
the ONU registers to an Optical Line Terminal (OLT);
after the registration is finished, reporting the locally stored capability information to the OLT;
and when detecting that the actual capability information of the OLT is inconsistent with the stored capability information, reporting the actual capability information to the OLT.
2. The method according to claim 1, further comprising, before the ONU registers with an optical line termination, OLT:
the ONU is started;
acquiring own capability information from a configuration file;
and storing the acquired capability information into a special data storage interval.
3. The method of claim 2, further comprising:
and when the fact that the actual capacity information of the user is inconsistent with the stored capacity information is detected, updating the configuration file and the capacity information stored in the special data storage interval by the actual capacity information.
4. The method of claim 1, wherein reporting the locally stored capability information to the OLT after registration is complete comprises:
after the registration is completed, the ONU receives a capability query message from the OLT;
and sending a capability query reply message to the OLT, wherein the capability query reply message carries the stored capability information.
5. The method of claim 1, wherein reporting the actual capability information to the OLT when detecting that the actual capability information of the OLT is inconsistent with the stored capability information comprises:
the ONU monitors the hardware change condition of the ONU and acquires the actual capability information;
judging whether the actual capability information is consistent with the stored capability information;
if the actual capability information is inconsistent with the stored capability information, registering the OLT again;
and after the registration is finished, reporting the actual capability information to the OLT.
6. The method of claim 5, wherein the ONU monitoring its hardware changes and obtaining actual capability information comprises:
when monitoring that the own hardware is plugged, the ONU judges that the hardware is changed and acquires the current capability information as the actual capability information; or,
and the ONU periodically monitors the hardware change condition and acquires the current capability information as the actual capability information.
7. The method according to any of claims 1 to 6, wherein the ONU is a multi-dwelling Unit type ONU or a multi-merchant Unit type ONU.
8. An optical network unit, ONU, comprising:
the registration module is used for registering to the optical line terminal OLT;
the capability detection module is used for detecting the actual capability information of the optical network unit;
a reporting module, configured to report locally stored capability information to the OLT after registration is completed; and reporting the actual capability information to the OLT when the actual capability information is inconsistent with the stored capability information.
9. The optical network unit of claim 8, further comprising:
a starting module for starting the ONU;
the acquisition module is used for acquiring the capability information of the ONU from a configuration file;
and the storage module is used for storing the acquired capability information into a special data storage interval.
10. The onu of claim 8, wherein the capability detection module comprises:
the monitoring and acquiring unit is used for monitoring the hardware change condition of the ONU and acquiring the actual capacity information;
a judging unit configured to judge whether the actual capability information is consistent with the stored capability information;
when the actual capability information is inconsistent with the stored capability information, the registration module registers with the OLT again;
and after the registration is completed, the reporting module reports the actual capability information to the OLT.
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| CN103139671A (en) * | 2011-11-29 | 2013-06-05 | 中兴通讯股份有限公司 | Data synchronism method and optical line terminal of Ethernet passive optical network device |
| WO2014015732A1 (en) * | 2012-07-27 | 2014-01-30 | 中兴通讯股份有限公司 | Method and system for generating terminal capability description information |
| CN103812708A (en) * | 2014-02-28 | 2014-05-21 | 上海斐讯数据通信技术有限公司 | Method for single family unit ONU port capability recognition of GPON system |
| CN104052623A (en) * | 2014-06-25 | 2014-09-17 | 成都广达电子股份有限公司 | Message processing method and message processing system in Ethernet passive optical network |
| CN108848424A (en) * | 2018-05-21 | 2018-11-20 | 烽火通信科技股份有限公司 | The method of ONU ability is dynamically supported in a kind of PON system |
| WO2024103748A1 (en) * | 2022-11-15 | 2024-05-23 | 华为技术有限公司 | Onu data collection method and communication apparatus |
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| CN103139671A (en) * | 2011-11-29 | 2013-06-05 | 中兴通讯股份有限公司 | Data synchronism method and optical line terminal of Ethernet passive optical network device |
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| CN108848424A (en) * | 2018-05-21 | 2018-11-20 | 烽火通信科技股份有限公司 | The method of ONU ability is dynamically supported in a kind of PON system |
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| WO2024103748A1 (en) * | 2022-11-15 | 2024-05-23 | 华为技术有限公司 | Onu data collection method and communication apparatus |
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Application publication date: 20111109 |