CN111953413B - Optical line terminal OLT system - Google Patents
Optical line terminal OLT system Download PDFInfo
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- CN111953413B CN111953413B CN202010819552.0A CN202010819552A CN111953413B CN 111953413 B CN111953413 B CN 111953413B CN 202010819552 A CN202010819552 A CN 202010819552A CN 111953413 B CN111953413 B CN 111953413B
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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
- H04Q2011/0083—Testing; Monitoring
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Abstract
The embodiment of the invention discloses an optical line terminal OLT system, which comprises: the diagnosis command processing module is used for sending the diagnosis request message to the diagnosis configuration distribution module; the diagnosis configuration distribution module is used for acquiring configuration information according to the diagnosis service type and the diagnosis ONU identification and sending a monitoring request generated according to the configuration information to the matched service driving module; and the service driving module is used for sending the monitoring request to the matched service chip, sending the monitoring data fed back by the service chip according to the monitoring request to the monitoring diagnosis module, and determining a fault positioning result through the monitoring diagnosis module. By deploying the diagnosis command processing module, the diagnosis configuration distribution module, the service driving module and the monitoring diagnosis module in the OLT system, interactive service diagnosis data on equipment related to fault service is led into the monitoring diagnosis module in a centralized manner, so that automatic positioning of common faults and auxiliary display of key interactive information are realized, and the processing efficiency and accuracy of fault positioning are improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to an Optical Line Terminal (OLT) system.
Background
With the continuous development of home broadband access, a broadband access technology based on a Passive Optical Network (PON) gradually becomes a mainstream of the home broadband access technology, the PON adopts an Optical transmission Network (ODN) in an access Network for access, two ends of the ODN are respectively connected to an Optical Line Terminal (OLT), each service gateway, and an Optical Network Unit (ONU) located in a user home or an enterprise, as shown in fig. 1, which is a schematic Network connection diagram of the OLT in the prior art.
For the network shown in fig. 1, when a problem exists in a customer service during provisioning or operation, the mutual cooperation of the ONU, the OLT, and the service gateway is involved, and since a specific device with the problem cannot be determined, multiple maintenance personnel are usually required to cooperatively capture message information of service-related signaling interaction in a user home to coordinate positioning to determine a cause of the fault.
Disclosure of Invention
The embodiment of the invention provides an optical line terminal OLT system. The method and the device can realize accurate positioning of the service fault of the diagnostic optical network unit.
An embodiment of the present invention provides an optical line terminal OLT system, including: the system comprises a diagnosis configuration distribution module, a diagnosis command processing module and a service driving module which are respectively connected with the diagnosis configuration distribution module, and a monitoring diagnosis module connected with the service driving module;
the diagnostic command processing module is used for acquiring a diagnostic request message and sending the diagnostic request message to the diagnostic configuration distribution module, wherein the diagnostic request message comprises a diagnostic service type and a diagnostic Optical Network Unit (ONU) identifier;
the diagnosis configuration distribution module is used for acquiring configuration information according to the diagnosis service type and the diagnosis ONU identification, generating a monitoring request according to the configuration information and sending the monitoring request to the matched service driving module;
the service driving module is used for sending the monitoring request to the matched service chip and sending the monitoring data fed back by the service chip according to the monitoring request to the monitoring diagnosis module;
and the monitoring diagnosis module is used for comparing the monitoring data with the standard template so as to determine the fault positioning result of the diagnosed ONU.
According to the technical scheme of the embodiment of the invention, the diagnosis command processing module, the diagnosis configuration distribution module, the service driving module and the monitoring diagnosis module are deployed in the OLT system, so that interactive service diagnosis data on equipment related to fault services are imported into the monitoring diagnosis module in a centralized manner, automatic positioning of common faults and auxiliary display of key information are realized, and the processing efficiency and accuracy of fault positioning are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a prior art network connection of an optical line termination OLT;
fig. 2 is a schematic structural diagram of an optical line termination OLT system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an optical line termination OLT system according to a second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 2 is a schematic structural diagram of an optical line termination OLT system according to an embodiment of the present invention. As shown in fig. 2, the optical line termination OLT system comprises: the diagnostic configuration distribution module 12, the diagnostic command processing module 11 and the service driving module 13 which are respectively connected with the diagnostic configuration distribution module 12, and the monitoring diagnostic module 15 which is connected with the service driving module 13.
The diagnosis command processing module 11 is configured to obtain a diagnosis request message, and send the diagnosis request message to the diagnosis configuration distribution module 12, where the diagnosis request message includes a diagnosis service type and a diagnosis optical network unit ONU identifier. And the diagnosis configuration distribution module 12 is configured to obtain configuration information according to the diagnosis service type and the diagnosis ONU identifier, generate a monitoring request according to the configuration information, and send the monitoring request to the matched service driving module 13. And the service driving module 13 is configured to send the monitoring request to the matched service chip, and send the monitoring data fed back by the service chip according to the monitoring request to the monitoring diagnosis module 15. And the monitoring diagnosis module 15 is used for comparing the monitoring data with the standard template so as to determine a fault positioning result of the diagnosed ONU.
Optionally, the service driving module 13 includes: a switching service driving module 131 and a passive optical network PON service driving module 132.
Optionally, the diagnostic command processing module 11 is configured to obtain the diagnostic request message, format and encode the diagnostic request message, and send the formatted and encoded diagnostic request message to the diagnostic configuration distribution module 12.
The diagnosis command processing module in this embodiment is configured to receive a diagnosis request message input by a user, and after the diagnosis command processing module 11 obtains the diagnosis request message, perform formatting coding processing on the diagnosis request message to convert the diagnosis request message into a computer coding language that can be identified by the diagnosis configuration distribution module. The diagnosis request message comprises a diagnosis service type and a diagnosis Optical Network Unit (ONU) identifier, and a diagnosis object can be specifically determined by the diagnosis Optical Network Unit (ONU) identifier.
For example, diagnostic traffic types may include: diagypeonnu _ REGISTER to diagnose ONU registration related problems; diagypeonnuomcfg for diagnosing problems associated with configuration information on the ONU and the OLT; DIAGTYPEONU _ TR069 is used to diagnose ONU usage TR069 related traffic configuration problems; diagtylypeonu _ DHCPv4, for diagnosing the problem of ONU acquiring IPv4 address acquisition; diagtylypeonu _ DHCPv6, for diagnosing the problem of ONU acquiring IPv6 address acquisition; diagtylppenu _ PPPoE, to diagnose problems related to ONU PPPoE authentication; diagypeonu _ VOIP, which is used to diagnose ONU IPHONE soft switch related problems diagypeonu _ IGMP, is used to diagnose ONU IPtv traffic related problems. And diagnosing the optical network unit ONU identity may comprise: the combination of one or more of the ONU-ID, the ONU service virtual local area network VLAN, and the ONU service port is not limited in this embodiment, and the specific type of the ONU identifier is not limited in this embodiment as long as the diagnosis target can be identified within the scope of the present application.
Optionally, the configuration information includes: static configuration information and dynamic service configuration information; the diagnosis configuration distribution module is used for acquiring static configuration information from the configuration database according to the diagnosis service type and the diagnosis ONU identification; acquiring dynamic service configuration information from a software table entry according to the diagnosis service type, the diagnosis ONU identification and the static configuration information; generating a monitoring request according to the static configuration information and the dynamic service configuration information, wherein the monitoring request comprises a first monitoring request associated with the switching service driving module and a second monitoring request associated with the PON service driving module; and sending the first monitoring request to the switching service driving module, and sending the second monitoring request to the PON service driving module.
Optionally, the static configuration information includes: the method comprises the steps of obtaining service Virtual Local Area Network (VLAN) information, multicast group information and service server IP address information; the dynamic service configuration information includes: media access control, MAC, address information and address resolution protocol, ARP, address information. Of course, the present embodiment is only described by way of example, and the specific parameter types of the static configuration information and the dynamic service configuration information are not limited.
Specifically, in this embodiment, the diagnostic configuration distribution module 12 can determine the object to be monitored and the specific service type corresponding to the monitored object after acquiring the diagnostic service type and the diagnostic ONU identifier, so that the listed static configuration information is first acquired from a preset configuration database according to the diagnostic request information, and then the dynamic service configuration information is acquired from the software table entry maintained by each protocol according to the diagnostic request information and the acquired static configuration information. Thus, a monitoring request is generated according to the obtained static configuration information and dynamic service configuration information, and since the configuration information contains parameters associated with the diagnostic service type corresponding to the diagnostic object, a first monitoring request is generated according to the parameters, if the parameters are determined to be related to the execution work of the switching service driver module 131, and the first monitoring request is sent to the switching service driver module 131; and determines that the monitoring request is related to the PON service driver module 132 performing the work according to the parameters, generates a second monitoring request, and sends the second monitoring request to the PON service driver module 132.
It should be noted that, in this embodiment, the switching service driving module 131 and the PON service driving module 132 may be distributed in a single service card, that is, a centralized device, or distributed in multiple service cards, that is, distributed devices, and a specific distribution manner of the switching service driving module 131 and the PON service driving module 132 is not limited in this embodiment, and as long as fault diagnosis of a service type corresponding to a diagnostic object can be supported, the fault diagnosis is within the protection scope of this application, and no further description is given in this embodiment.
Optionally, the monitoring data includes interaction signaling or registration configuration signaling.
Optionally, the switching service driving module is configured to send the first monitoring request to the switching service chip, and send an interactive signaling fed back by the switching service chip according to the first monitoring request to the monitoring diagnosis module.
Optionally, the PON service driving module is configured to send the second monitoring request to the PON service chip, and send the PON service chip to the monitoring diagnosis module according to the registration configuration signaling fed back by the second monitoring request.
Optionally, the system further includes a diagnostic data forwarding module 14, where the diagnostic data forwarding module 14 is connected to the service driving module 13 and the monitoring and diagnosing module 15, respectively; and the diagnostic data forwarding module 14 is configured to receive the monitoring data sent by the service driving module 13, and forward the monitoring data to the monitoring and diagnostic module 15.
Specifically, in this embodiment, the switching service driving module 131 is configured to send the first monitoring request to the switching service chip, trigger and open a register and a driving interface that are arranged in the switching service chip, and the switching service chip monitors an interaction signaling associated with a diagnostic service type corresponding to an ONU identifier of an optical network unit, where the interaction signaling includes an interaction signaling between the ONU and the OLT specified according to the identifier and an interaction signaling between the OLT and a service gateway, and feeds back the interaction signaling obtained by monitoring to the switching service driving module 131. The switching service driver module sends the collected interactive signaling to the diagnostic data forwarding module 14 for aggregation.
In addition, in this embodiment, the PON service driving module 132 is configured to send the second monitoring request to the PON service chip, and then a register and a driving interface that are arranged in the PON service chip are triggered to be turned on, and the PON service chip monitors a registration configuration signaling that is associated with a diagnostic service type corresponding to an ONU identifier, and feeds back the registration configuration signaling obtained by monitoring to the PON service driving module 132. The PON service driver module sends the collected registration configuration signaling to the diagnostic data forwarding module 14 for aggregation. The diagnostic data forwarding module forwards the aggregated interaction signaling and registration configuration signaling associated with the diagnostic traffic type of the specified ONU to the monitoring and diagnostic module 15.
Optionally, the monitoring and diagnosing module 15 includes a service diagnosing sub-module 151 and a reporting sub-module 152; the service diagnosis sub-module 151 is configured to compare the interactive signaling or the registration configuration signaling with a standard template to determine a fault location result of the diagnosed ONU, and send the fault location result to the report sub-module, where the standard template includes a normal service signaling of the diagnosed ONU; and the reporting sub-module 152 is used for displaying the fault positioning result in a form of a graph or a command line.
Specifically, the diagnostic data forwarding module 14 forwards the summarized interaction signaling and registration configuration signaling to a service diagnosis sub-module 151 in the monitoring and diagnosis module 15, where the service diagnosis sub-module 151 is configured to compare the acquired interaction signaling or registration configuration signaling with a standard template, so as to identify a signaling with a problem. The standard template includes a normal service signaling of the ONU corresponding to the identifier, and since the service diagnosis sub-module in this embodiment supports uploading and downloading of the template, the standard template may be formed by storing the signaling of the normal service acquired by the system in the normal working process of the ONU locally, or may be an existing standard template directly downloaded from the network, so the specific acquisition mode of the standard template is not limited in this embodiment. And the service diagnosis sub-module compares the acquired signaling with the normal signaling in the standard template, determines the signaling which is not matched with the standard template in the data uploaded by the diagnosis data forwarding module, and takes the determined non-matched signaling as the fault positioning result of the diagnosis ONU.
It should be noted that, in the present embodiment, the business diagnosis sub-module 151 further sends the final fault location result to the reporting sub-module 152, and the fault reporting sub-module displays the obtained fault location result in a form of a graph or a command line, so that a maintainer can obtain the fault diagnosis result more intuitively, thereby further improving the experience effect of the user.
According to the technical scheme of the embodiment of the invention, the diagnosis command processing module, the diagnosis configuration distribution module, the service driving module and the monitoring diagnosis module are deployed in the OLT system, so that interactive service diagnosis data on equipment related to fault services are imported into the monitoring diagnosis module in a centralized manner, automatic positioning of common faults and auxiliary display of key information are realized, and the processing efficiency and accuracy of fault positioning are improved.
Example two
Fig. 3 is a schematic structural diagram of an optical line termination OLT system according to a second embodiment of the present invention. The present embodiment specifically describes a specific setting position of the monitoring and diagnosing module on the basis of the first embodiment.
In order to reduce the hardware cost of the existing optical line terminal OLT as much as possible, the optical line diagnostic terminal OLT may only include the diagnostic command processing module 11, the diagnostic configuration distribution module 12, the service driving module 13, and the diagnostic data forwarding module 14, and the monitoring and diagnostic module 15 may be disposed on an independent external device, for example, a notebook computer or a handheld dedicated diagnostic device, so that not only the cost is reduced, but also the portable mobility of the diagnostic device is achieved. The specific type of device external to the deployment monitoring and diagnostic module 15 is not limited in this embodiment.
The OLT is provided with a diagnostic interface, and the diagnostic data forwarding module 14 specifically transmits the summarized signaling data to the monitoring and diagnostic module through the diagnostic interface, where the OLT may specifically communicate with the monitoring and diagnostic module deployed on the external device in a wired or wireless manner.
According to the technical scheme of the embodiment of the invention, the diagnosis command processing module, the diagnosis configuration distribution module and the service driving module are deployed in the OLT system, the summarized signaling data are transmitted to the monitoring diagnosis module arranged on the independent external equipment, and the monitoring diagnosis module realizes automatic fault positioning according to the summarized signaling data, so that the hardware cost increased by the OLT is reduced, the portable mobility is improved, and the processing efficiency and the accuracy of fault positioning are also improved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (7)
1. An Optical Line Termination (OLT) system, comprising: the system comprises a diagnosis configuration distribution module, a diagnosis command processing module and a service driving module which are respectively connected with the diagnosis configuration distribution module, and a monitoring diagnosis module connected with the service driving module;
the diagnosis command processing module is used for acquiring a diagnosis request message and sending the diagnosis request message to the diagnosis configuration distribution module, wherein the diagnosis request message comprises a diagnosis service type and a diagnosis Optical Network Unit (ONU) identifier;
the diagnosis configuration distribution module is used for acquiring configuration information according to the diagnosis service type and the diagnosis Optical Network Unit (ONU) identifier, generating a monitoring request according to the configuration information and sending the monitoring request to a matched service driving module;
the service driving module is configured to send the monitoring request to a matched service chip, and send monitoring data fed back by the service chip according to the monitoring request to the monitoring diagnosis module, where the monitoring data includes an interactive signaling or a registration configuration signaling;
the monitoring diagnosis module is used for comparing the monitoring data with a standard template so as to determine a fault positioning result of the diagnosed ONU;
the service driving module comprises: the device comprises an exchange service driving module and a Passive Optical Network (PON) service driving module;
the configuration information includes: static configuration information and dynamic service configuration information; the diagnostic configuration distribution module is used for acquiring the static configuration information from a configuration database according to the diagnostic service type and the diagnostic optical network unit ONU identification;
acquiring the dynamic service configuration information from a software table entry according to the diagnosis service type, the diagnosis optical network unit ONU identification and the static configuration information;
generating a monitoring request according to the static configuration information and the dynamic service configuration information, wherein the monitoring request comprises a first monitoring request associated with the switching service driving module and a second monitoring request associated with the PON service driving module;
and sending the first monitoring request to the switching service driving module, and sending the second monitoring request to the PON service driving module.
2. The system of claim 1, further comprising a diagnostic data forwarding module, wherein the diagnostic data forwarding module is connected to the service driving module and the monitoring diagnostic module respectively;
the diagnostic data forwarding module is configured to receive the monitoring data sent by the service driving module, and forward the monitoring data to the monitoring and diagnostic module.
3. The system of claim 1, wherein the static configuration information comprises: the method comprises the steps of obtaining service Virtual Local Area Network (VLAN) information, multicast group information and service server IP address information;
the dynamic service configuration information includes: media access control, MAC, address information and address resolution protocol, ARP, address information.
4. The system according to claim 1, wherein the switching service driving module is configured to send the first monitoring request to a switching service chip, and send the interactive signaling fed back by the switching service chip according to the first monitoring request to the monitoring diagnosis module.
5. The system according to claim 1, wherein the PON service driving module is configured to send the second monitoring request to a PON service chip, and send the registration configuration signaling fed back by the PON service chip according to the second monitoring request to the monitoring diagnosis module.
6. The system of claim 4 or 5, wherein the monitoring and diagnosis module comprises a business diagnosis sub-module and a reporting sub-module;
the service diagnosis sub-module is used for comparing the interactive signaling or the registration configuration signaling with the standard template to determine a fault positioning result of the diagnosed ONU and sending the fault positioning result to the report sub-module, wherein the standard template contains a normal service signaling of the diagnosed ONU;
and the report sub-module is used for displaying the fault positioning result in a form of a graph or a command line.
7. The system according to claim 1, wherein the diagnostic command processing module is configured to obtain a diagnostic request message, format and encode the diagnostic request message, and send the formatted and encoded diagnostic request message to the diagnostic configuration distribution module.
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| CN112653887B (en) * | 2020-12-14 | 2023-03-10 | 中国联合网络通信集团有限公司 | Video diagnosis method and device |
| CN116449808B (en) * | 2023-06-14 | 2023-08-29 | 深圳市华曦达科技股份有限公司 | ONU-based processing method and ONU-based processing device for automatically diagnosing OLT service |
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