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CN102291246A - Selection method and system of optical network unit (ONU) management maintenance mode - Google Patents

Selection method and system of optical network unit (ONU) management maintenance mode Download PDF

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Publication number
CN102291246A
CN102291246A CN2010102108563A CN201010210856A CN102291246A CN 102291246 A CN102291246 A CN 102291246A CN 2010102108563 A CN2010102108563 A CN 2010102108563A CN 201010210856 A CN201010210856 A CN 201010210856A CN 102291246 A CN102291246 A CN 102291246A
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China
Prior art keywords
onu
management maintenance
maintenance mode
olt
management
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Pending
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CN2010102108563A
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Chinese (zh)
Inventor
臧美燕
何苑凌
袁立权
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ZTE Corp
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ZTE Corp
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Priority to CN2010102108563A priority Critical patent/CN102291246A/en
Priority to PCT/CN2010/078720 priority patent/WO2011160382A1/en
Publication of CN102291246A publication Critical patent/CN102291246A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08Configuration management of networks or network elements
    • H04L41/0803Configuration setting
    • H04L41/0806Configuration setting for initial configuration or provisioning, e.g. plug-and-play
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q11/0067Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q2011/0079Operation or maintenance aspects

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)

Abstract

The invention discloses a selection method of an optical network unit (ONU) management maintenance mode, which comprises the following steps that: an ONU reports the management maintenance modes which are supported by the ONU presently to an optical line terminal (OLT); and the OLT selects one management maintenance mode for the ONU from the management maintenance modes reported by the ONU and configures and manages the ONU according to the selected management maintenance mode. The invention further discloses a selection system of the ONU management maintenance mode. Through the method and the system disclosed by the invention, the intercommunity problem between the OLT and the ONU can be solved well, and the complexity of realizing the ONU can be reduced simultaneously when the management operation intercommunity is finished.

Description

A kind of system of selection and system of ONU management maintenance mode
Technical field
The present invention relates to the interoperability technology in the network service, relate in particular to the system of selection and the system of a kind of optical network unit (ONU) management maintenance mode.
Background technology
Existing Ethernet EPON (EPON, Ethernet Passive Optical Network) system as shown in Figure 1, optical line terminal (OLT, Optical Line Terminal) connects optical network unit (ONU by optical splitter, Optical Network Unit), and OLT and ONU are managed by network management system (NMS, Network Management System) server.Management maintenance for ONU adopts Simple Network Management Protocol (SNMP mostly, Simple Network Management Protocol)+mode of extended operation maintenance management (eOAM, extended Operation Administration and Maintenance); Simultaneously also there is another mode, promptly adopts the mode of SNMP+ONU management control channel interface (OMCI, ONU Management and Control Interface).The SNMP interface is responsible for NMS and the whole EPON system management maintenance to port, agreement and professional correlation function; And eOAM/OMCI is responsible for the maintenance management of the PON protocol related function between the OLT and ONU in the EPON system.
For the EPON system that supports multiple management maintenance mode, need between OLT and ONU, select a kind of appropriate managerial mode at different application scenarioss, ONU is managed maintenance.For example: OLT supports eOAM and two kinds of way to manages of OMCI simultaneously, and ONU or support eOAM perhaps support OMCI; OLT and ONU had both supported also to support OMCI by eOAM simultaneously.Under specific application scenarios, if uncertain management maintenance mode how to select ONU will influence the inter-communicating problem of the EPON relevant device of different manufacturers.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of system of selection and system of ONU management maintenance mode, to realize the adaptively selected of ONU management maintenance mode.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides the system of selection of a kind of optical network unit (ONU) management maintenance mode, this method comprises:
ONU reports optical line terminal (OLT) with the management maintenance mode of self current support;
Described OLT selects the management maintenance mode of a kind of conduct to described ONU from the management maintenance mode that ONU reports, and according to selected management maintenance mode described ONU is managed for configuration.
This method further comprises: when the management maintenance mode that reports as described ONU was a kind of, described OLT directly was managed for configuration described ONU according to the described management maintenance mode that ONU reports.
This method further comprises: when the management maintenance mode that reports as described ONU is multiple, described OLT selects the management maintenance mode of a kind of conduct to described ONU according to pre-configured strategy from multiple management maintenance mode, and according to selected management maintenance mode described ONU is managed for configuration.
Described pre-configured strategy is: select the management maintenance mode at random or preferentially select the most frequently used management maintenance mode.
The management maintenance mode of described ONU comprises: extended operation maintenance management (eOAM), ONU manage control channel interface (OMCI); Described eOAM comprises at least a.
The present invention also provides a kind of selective system of ONU management maintenance mode, and this system comprises: ONU and OLT, wherein,
Described ONU is used for the management maintenance mode of self current support is reported described OLT;
Described OLT is used for selecting the management maintenance mode of a kind of conduct to described ONU from the management maintenance mode that ONU reports, and according to selected management maintenance mode described ONU is managed for configuration.
Described OLT is further used for, and when the management maintenance mode that reports at described ONU was a kind of, directly the described management maintenance mode that reports according to ONU was managed for configuration described ONU.
Described OLT is further used for, when the management maintenance mode that reports at described ONU is multiple, from multiple management maintenance mode, select the management maintenance mode of a kind of conduct according to pre-configured strategy, and described ONU is managed for configuration according to selected management maintenance mode to described ONU.
Described OLT is further used for, and described pre-configured strategy is: select the management maintenance mode at random or preferentially select the most frequently used management maintenance mode.
The management maintenance mode of described ONU comprises: eOAM, OMCI; Described eOAM comprises at least a.
The system of selection and the system of a kind of ONU management maintenance mode provided by the present invention, at the EPON system in deployment, because the inter-communicating problem that exists the multiple solution to the management maintenance mode of ONU to cause, support multiple management maintenance mode by OLT, the mode that the management maintenance mode that ONU is supported adapts to and consults, the inter-communicating problem between OLT and the ONU can well be solved, and when finishing the intercommunication of management O﹠M, the complexity that ONU realizes can also be reduced.
Description of drawings
Fig. 1 is the configuration diagram of existing EPON system;
Fig. 2 is the flow chart of the system of selection of a kind of ONU management maintenance of the present invention mode;
Fig. 3 is for selecting the flow chart of ONU management maintenance mode through consultation in the embodiment of the invention one;
Fig. 4 is for selecting the flow chart of ONU management maintenance mode through consultation in the embodiment of the invention two;
Fig. 5 is for selecting the flow chart of ONU management maintenance mode through consultation in the embodiment of the invention three;
Fig. 6 is for selecting the flow chart of ONU management maintenance mode through consultation in the embodiment of the invention four.
Embodiment
The technical solution of the present invention is further elaborated below in conjunction with the drawings and specific embodiments.
At in the EPON system because the existence of multiple management maintenance mode, the influence that may cause EPON system interoperability, the present invention proposes a kind of system of selection of ONU management maintenance mode, by unified adaptively selected at multiple management maintenance mode, determine management maintenance mode, thereby make that the EPON equipment of different manufacturers can intercommunication at ONU.Method of the present invention mainly may further comprise the steps as shown in Figure 2:
Step 201, ONU reports OLT with the management maintenance mode of self current support.
Be to realize goal of the invention, observe the ONU simple principle of trying one's best simultaneously, the present invention requires OLT to support various management maintenance modes simultaneously, includes but are not limited to eOAM, OMCI or the like; Wherein, eOAM comprises at least a, as: eOAM management maintenance mode 1, eOAM management maintenance mode 2 or the like.If ONU only supports this a kind of management maintenance mode of eOAM, then eOAM management maintenance mode is reported OLT; If ONU only supports this a kind of management maintenance mode of OMCI, then OMCI management maintenance mode is reported OLT; If ONU supports eOAM and these two kinds of management maintenance modes of OMCI simultaneously, then eOAM management maintenance mode and OMCI management maintenance mode are reported OLT.In addition, comprise that when multiple, ONU need report OLT with the various eOAM way to manages of self supporting when eOAM management maintenance mode that ONU supported.That is to say that ONU need report OLT with all management maintenance modes of self current support, selects for OLT.
Step 202, OLT selects the management maintenance mode of a kind of conduct to this ONU from the management maintenance mode that ONU reports, and according to selected management maintenance mode ONU is managed for configuration.
If the management maintenance mode that ONU reports is only for eOAM management maintenance mode, then OLT directly with eOAM management maintenance mode as management maintenance mode to this ONU, and the message format of employing eOAM is managed for configuration ONU; If the management maintenance mode that ONU reports is only for OMCI management maintenance mode, then OLT directly with OMCI management maintenance mode as management maintenance mode to this ONU, and the message format of employing OMCI is managed for configuration ONU.
If the management maintenance mode that ONU reports is multiple, for example: support eOAM management maintenance mode and OMCI management maintenance mode simultaneously, then OLT need select the management maintenance mode of a kind of conduct to ONU according to pre-configured strategy from multiple management maintenance mode, and according to selected management maintenance mode ONU is managed for configuration.This pre-configured strategy includes but not limited to select at random the management maintenance mode, preferentially selects the most frequently used management maintenance mode or the like.What is called is selected the management maintenance mode at random, promptly chooses any one kind of them from the management maintenance mode that ONU reports as the management maintenance mode to ONU; The so-called preferential the most frequently used management maintenance mode of selecting, promptly from the management maintenance mode that ONU reports, select the management maintenance mode of the most frequently used conduct to ONU, if the most frequently used management maintenance mode is an eOAM management maintenance mode, then select eOAM management maintenance mode, if the most frequently used management maintenance mode is an OMCI management maintenance mode, then select OMCI management maintenance mode.
Preferable, OLT can give ONU with the result notification of selecting after the management maintenance mode of having selected ONU.In addition, before above-mentioned steps 201, also need to carry out the discovery procedure of Multi-point Control Protocol (MPCP, Multipoint Control Protocol) and the discovery procedure of OAM between OLT and the ONU.
This shows, by said method of the present invention, require the OLT side to support multiple management maintenance mode, then the OLT management maintenance mode (for the management maintenance mode of the current support of ONU self) that can report according to ONU, self adaptation negotiates the management maintenance mode at ONU of final support, thereby can make the OLT of different manufacturers and ONU when intercommunication, in the selection of management maintenance mode, can not go wrong, thereby aspect management maintenance, solve the problem of OLT and ONU interoperability smoothly.
Further elaborate below in conjunction with the system of selection of specific embodiment above-mentioned ONU management maintenance mode.
In embodiments of the invention one, ONU only supports eOAM management maintenance mode, and corresponding management maintenance mode negotiations process mainly may further comprise the steps as shown in Figure 3:
Step 301 is finished the MPCP that defines among IEEE802.3ah or the IEEE802.3av and is found (discovery) process between OLT and the ONU.
Step 302 is finished the OAM discovery procedure that defines among IEEE802.3ah or the IEEE802.3av between OLT and the ONU.
Step 303, OLT sends the request of management maintenance mode, the management maintenance mode of the current support of acquisition request ONU to ONU.
Step 304, ONU reports OLT with the management maintenance mode of self current support.In the present embodiment, its current eOAM management maintenance mode of only supporting of ONU notice OLT.
Step 305, OLT holds consultation according to the information of the support eOAM management maintenance mode that ONU reports, and determines that the management maintenance mode to ONU is eOAM.OLT returns management maintenance mode acknowledge message to ONU, and the result that OLT is selected informs ONU.Follow-up OLT will adopt the message format of eOAM that ONU is managed for configuration.
In embodiments of the invention two, ONU only supports OMCI management maintenance mode, and corresponding management maintenance mode negotiations process mainly may further comprise the steps as shown in Figure 4:
Step 401 is finished the MPCP discovery procedure that defines among IEEE802.3ah or the IEEE802.3av between OLT and the ONU.
Step 402 is finished the OAM discovery procedure that defines among IEEE802.3ah or the IEEE802.3av between OLT and the ONU.
Step 403, OLT sends the request of management maintenance mode, the management maintenance mode of the current support of acquisition request ONU to ONU.
Step 404, ONU reports OLT with the management maintenance mode of self current support.In the present embodiment, its current OMCI management maintenance mode of only supporting of ONU notice OLT.
Step 405, OLT holds consultation according to the information of the support OMCI management maintenance mode that ONU reports, and determines that the management maintenance mode to ONU is OMCI.OLT returns management maintenance mode acknowledge message to ONU, and the result that OLT is selected informs ONU.Follow-up OLT will adopt the message format of OMCI that ONU is managed for configuration.
In embodiments of the invention three, ONU supports eOAM management maintenance mode and OMCI management maintenance mode simultaneously, and corresponding management maintenance mode negotiations process mainly may further comprise the steps as shown in Figure 5:
Step 501 is finished the MPCP discovery procedure that defines among IEEE802.3ah or the IEEE802.3av between OLT and the ONU.
Step 502 is finished the OAM discovery procedure that defines among IEEE802.3ah or the IEEE802.3av between OLT and the ONU.
Step 503, OLT sends the request of management maintenance mode, the management maintenance mode of the current support of acquisition request ONU to ONU.
Step 504, ONU reports OLT with the management maintenance mode of self current support.In the present embodiment, two kinds of management maintenance modes of ONU notice its current support of OLT, i.e. eOAM management maintenance mode and OMCI management maintenance mode.
Step 505, the support eOAM management maintenance mode that OLT reports according to ONU and the information of OMCI management maintenance mode are held consultation, and decision is to the management maintenance mode of ONU.
In embodiments of the invention four, ONU supports eOAM management maintenance mode 1 and eOAM management maintenance mode 2 simultaneously, and corresponding management maintenance mode negotiations process mainly may further comprise the steps as shown in Figure 6:
Step 601 is finished the MPCP discovery procedure that defines among IEEE802.3ah or the IEEE802.3av between OLT and the ONU.
Step 602 is finished the OAM discovery procedure that defines among IEEE802.3ah or the IEEE802.3av between OLT and the ONU.
Step 603, OLT sends the request of management maintenance mode, the management maintenance mode of the current support of acquisition request ONU to ONU.
Step 604, ONU reports OLT with the management maintenance mode of self current support.In the present embodiment, two kinds of management maintenance modes of ONU notice its current support of OLT, i.e. eOAM management maintenance mode 1 and eOAM management maintenance mode 2.
Step 605, the eOAM management maintenance mode 1 of the support that OLT reports according to ONU and the information of eOAM management maintenance mode 2 are held consultation, and decision is to the management maintenance mode of ONU.
Concrete, OLT selects the management maintenance mode of a kind of conduct to ONU according to pre-configured strategy from multiple management maintenance mode.In the most frequently used management maintenance mode of preferential selection is example, and in the current EPON system that has disposed, mostly be eOAM way to manage 1 at the management maintenance mode of ONU, so negotiation result is: the management maintenance mode at ONU is defined as eOAM way to manage 1.OLT returns management maintenance mode acknowledge message to ONU, and the result that OLT is selected informs ONU.Follow-up OLT will adopt the message format of eOAM way to manage 1 that ONU is managed for configuration.
The system of selection of corresponding above-mentioned ONU management maintenance mode, the present invention also provides a kind of selective system of ONU management maintenance mode, is made up of ONU and OLT.Wherein, ONU is used for the management maintenance mode of self current support is reported OLT; OLT is used for selecting the management maintenance mode of a kind of conduct to ONU from the management maintenance mode that ONU reports, and according to selected management maintenance mode ONU is managed for configuration.
Preferable, when the management maintenance mode that reports at ONU was a kind of, OLT directly was managed for configuration ONU according to the management maintenance mode that ONU reports; When the management maintenance mode that reports at ONU was multiple, OLT selected the management maintenance mode of a kind of conduct to ONU according to pre-configured strategy from multiple management maintenance mode, and according to selected management maintenance mode ONU is managed for configuration.
In sum, at the EPON system in deployment, because the inter-communicating problem that exists the multiple solution to the management maintenance mode of ONU to cause, the present invention supports multiple management maintenance mode by OLT, the mode that the management maintenance mode that ONU is supported adapts to and consults, the inter-communicating problem between OLT and the ONU can well be solved, and when finishing the intercommunication of management O﹠M, the complexity that ONU realizes can also be reduced.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.

Claims (10)

1. the system of selection of an optical network unit (ONU) management maintenance mode is characterized in that this method comprises:
ONU reports optical line terminal (OLT) with the management maintenance mode of self current support;
Described OLT selects the management maintenance mode of a kind of conduct to described ONU from the management maintenance mode that ONU reports, and according to selected management maintenance mode described ONU is managed for configuration.
2. according to the system of selection of the described ONU management maintenance of claim 1 mode, it is characterized in that, this method further comprises: when the management maintenance mode that reports as described ONU was a kind of, described OLT directly was managed for configuration described ONU according to the described management maintenance mode that ONU reports.
3. according to the system of selection of the described ONU management maintenance of claim 1 mode, it is characterized in that, this method further comprises: when the management maintenance mode that reports as described ONU is multiple, described OLT selects the management maintenance mode of a kind of conduct to described ONU according to pre-configured strategy from multiple management maintenance mode, and according to selected management maintenance mode described ONU is managed for configuration.
4. according to the system of selection of the described ONU management maintenance of claim 3 mode, it is characterized in that described pre-configured strategy is: select the management maintenance mode at random or preferentially select the most frequently used management maintenance mode.
5. according to the system of selection of each described ONU management maintenance mode in the claim 1 to 4, it is characterized in that the management maintenance mode of described ONU comprises: extended operation maintenance management (eOAM), ONU manage control channel interface (OMCI); Described eOAM comprises at least a.
6. the selective system of an ONU management maintenance mode is characterized in that, this system comprises: ONU and OLT, wherein,
Described ONU is used for the management maintenance mode of self current support is reported described OLT;
Described OLT is used for selecting the management maintenance mode of a kind of conduct to described ONU from the management maintenance mode that ONU reports, and according to selected management maintenance mode described ONU is managed for configuration.
7. according to the selective system of the described ONU management maintenance of claim 6 mode, it is characterized in that, described OLT is further used for, and when the management maintenance mode that reports at described ONU was a kind of, directly the described management maintenance mode that reports according to ONU was managed for configuration described ONU.
8. according to the selective system of the described ONU management maintenance of claim 6 mode, it is characterized in that, described OLT is further used for, when the management maintenance mode that reports at described ONU is multiple, from multiple management maintenance mode, select the management maintenance mode of a kind of conduct according to pre-configured strategy, and described ONU is managed for configuration according to selected management maintenance mode to described ONU.
9. the selective system of described according to Claim 8 ONU management maintenance mode is characterized in that described OLT is further used for, and described pre-configured strategy is: select the management maintenance mode at random or preferentially select the most frequently used management maintenance mode.
10. according to the selective system of each described ONU management maintenance mode in the claim 6 to 9, it is characterized in that the management maintenance mode of described ONU comprises: eOAM, OMCI; Described eOAM comprises at least a.
CN2010102108563A 2010-06-21 2010-06-21 Selection method and system of optical network unit (ONU) management maintenance mode Pending CN102291246A (en)

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PCT/CN2010/078720 WO2011160382A1 (en) 2010-06-21 2010-11-15 Method and system for selecting optical network unit management and maintenance manner

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Application publication date: 20111221