CN102655459A - Configuration data updating method and system of optical network unit (ONU) - Google Patents

Configuration data updating method and system of optical network unit (ONU) Download PDF

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Publication number
CN102655459A
CN102655459A CN2011100533430A CN201110053343A CN102655459A CN 102655459 A CN102655459 A CN 102655459A CN 2011100533430 A CN2011100533430 A CN 2011100533430A CN 201110053343 A CN201110053343 A CN 201110053343A CN 102655459 A CN102655459 A CN 102655459A
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onu
configuration file
dpoe
new configuration
tftp
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臧美燕
袁立权
张奎
叶旭光
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ZTE Corp
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ZTE Corp
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Abstract

The invention discloses a configuration data updating method and system of an optical network unit (ONU). The method comprises the following steps of: when the ONU works normally, an Ethernet passive optical network (DPoE) system based on a wire transmission data service interface specification management platform initializes a request of a trivial file transfer protocol (TFTP) to a background management system, and acquires new configuration files of the ONU from the background management system; and the DPoE system updates the acquired new configuration file onto the ONU. By using the method disclosed by the invention, seamless updating of the configuration data of the ONU on the premise of guaranteeing normal service operation is realized.

Description

The method for updating configuration data of a kind of ONU and system
Technical field
The present invention relates to the communications field, relate in particular to method for updating configuration data and the system of a kind of optical network unit (ONU, Optical NetworkUnit).
Background technology
Based on wire transmission data service interface specification (DOCSIS; Data over Cable ServiceInterface System) ethernet passive optical network (EPON on management backstage; Ethernet Passive OpticalNetwork) system is called for short the DPoE system, and this system architecture is as shown in Figure 1; This system is mainly by comprising TFTP (TFTP; Trivial File Transfer Protocol) background management system of server, simple network management protocol management server (SNMP Manager, Simple Network Management ProtocolManager), syslog server (Syslog Server), time server (TOD Server, Timeof Day Server); Comprise virtual coaxial cable modem (vCM), optical line terminal (OLT; Optical Line Terminal) and the DPoE system of other equipment, ONU and the subscriber terminal equipment (CPE, Customer Premise Equipment) that is connected on the ONU are formed.
As shown in Figure 2; At present the data configuration process of ONU mainly comprises: after ONU powers on, accomplish and the DPoE system between initialization procedures such as other discovery of PON level after, the vCM in the DPoE system can initiate the initialization procedure stipulated according in DOCSIS 3.0 standards; This process comprises sets up the IP connection; Through DynamicHost agreement (DHCP, Dynamic Host Configuration Protocol) process is set and gets access to the IP address, obtain clock from the TOD server; Through TFTP request, download configuration file from the tftp server on management backstage, the DPoE system, through corresponding configuration of management channel, is configured on the relevant ONU through after relevant treatment this configuration file again.Comprising operator in the configuration file is Service Properties and the parameter that the last user who connects of ONU provides.
Because the particularity of ONU initialization procedure in this EPON system; When the configuration data of present ONU need change; Necessarily need ONU to restart,, download the configuration data of the ONU of new modification again from tftp server through the ONU initialization procedure of new initiation.Under this mechanism, ONU just is bound to interrupt its professional a period of time owing to revise configuration file, thereby influences the normal service application of user.
When the configuration data of ONU changed, for the business of not interrupting moving on the ONU, ONU just can not be restarted, and promptly can not initiate one again and take turns initialization procedure and registration process.Like this, just need a kind of method of upgrading the configuration data of ONU, guarantee that ONU does not restart; And, trigger the request that the DPoE system initiates download version again through other trigger conditions, obtain new configuration file; Be configured on the ONU through corresponding configuration of management channel then, come into force immediately.Yet prior art also can't provide the solution of the configuration data of a kind of like this ONU of renewal.
Summary of the invention
In view of this, main purpose of the present invention is to provide method for updating configuration data and the system of a kind of ONU, to be implemented under the prerequisite that guarantees professional normal operation the configuration data of seamless renewal ONU.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides the method for updating configuration data of a kind of optical network unit (ONU), this method comprises:
During the ONU operate as normal; Ethernet passive optical network (DPoE) system based on wire transmission data service interface specification management backstage initiates TFTP (TFTP) request to background management system, obtains the new configuration file of said ONU from said background management system;
The said new configuration file that said DPoE system will obtain is updated on the said ONU.
Said DPoE system is triggered through Simple Network Management Protocol (SNMP) interface mode or command line interface (CLI) mode and initiates the TFTP request.
The said new configuration file that said DPoE system will obtain through extended operation management maintenance (eOAM) channel arrangement to said ONU.
Said DPoE system with said new configuration file update all to said ONU; Perhaps, said new configuration file is analyzed comparison with corresponding former configuration file, only with said new configuration file with respect to the data configuration of former configuration file amendment to said ONU.
Said DPoE system comprises: optical line terminal (OLT) and virtual coaxial cable modem (vCM), said OLT or vCM carry out the analysis to said configuration file.
The present invention also provides the configuration data update system of a kind of optical network unit (ONU), and this system comprises: based on ethernet passive optical network (DPoE) system, background management system and the ONU on wire transmission data service interface specification management backstage, wherein,
Said DPoE system; Be used for when the ONU operate as normal; Initiate TFTP (TFTP) request to said background management system, obtain the new configuration file of said ONU from said background management system, and the said new configuration file that will obtain is updated on the said ONU;
Said background management system is used to respond the TFTP request of said DPoE system, for said DPoE system provides the new configuration file of ONU to download;
Said ONU is used for carrying out corresponding configuration according to the new configuration file that said DPoE system provides.
Said DPoE system is triggered through Simple Network Management Protocol (SNMP) interface mode or command line interface (CLI) mode and initiates the TFTP request.
Said DPoE system is further used for, with the said new configuration file that obtains through extended operation management maintenance (eOAM) channel arrangement to said ONU.
Said DPoE system is further used for, with said new configuration file update all to said ONU; Perhaps, said new configuration file is analyzed comparison with corresponding former configuration file, only with said new configuration file with respect to the data configuration of former configuration file amendment to said ONU.
Said DPoE system comprises: optical line terminal (OLT) and virtual coaxial cable modem (vCM), said OLT or vCM carry out the analysis to said configuration file.
The method for updating configuration data of a kind of ONU provided by the present invention and system; Through other trigger conditions; Initiate the configuration file download request such as trigger the DPoE system through SNMP interface or CLI mode; Download new configuration file, be configured on the ONU through the configuration of management channel between DPoE system and the ONU.Thereby reach under the prerequisite that guarantees professional normal operation, the purpose of the configuration data of seamless renewal ONU, the professional unaffected or affected time that ONU is being moved is very short.
Description of drawings
Fig. 1 is existing DPoE system architecture sketch map;
Fig. 2 is the flow chart of the initialization procedure of existing NOU;
Fig. 3 is the flow chart of the method for updating configuration data of a kind of ONU of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention is further set forth in detail.
The present invention is not through restarting ONU; When the configuration data of ONU need upgrade, through other trigger conditions, such as passing through Simple Network Management Protocol (SNMP; Simple Network ManagementProtocol) interface or command line interface (CLI; Command Line Interface) mode triggers the DPoE system and initiates the configuration file download request, downloads new configuration file, is configured on the ONU through the configuration of management channel between DPoE system and the ONU.Thereby reach under the prerequisite that guarantees professional normal operation, the purpose of the configuration data of seamless renewal ONU, the professional unaffected or affected time that ONU is being moved is very short.
Concrete, the method for updating configuration data of a kind of ONU provided by the invention mainly comprises: during the ONU operate as normal, the DPoE system initiates the TFTP request to background management system, obtains the new configuration file of ONU from background management system; The said new configuration file that the DPoE system will obtain is updated on the ONU.
Wherein, the DPoE system can be triggered through SNMP interface mode or CLI mode, sends the TFTP request to background management system, and background management system responds said TFTP request, and the new configuration file of the said ONU of correspondence is downloaded in the DPoE system.
The DPoE system can with the new configuration file that obtains through extended operation management maintenance (eOAM) channel arrangement to ONU.
In addition, the DPoE system can be with said new configuration file update all to ONU; Perhaps, also can new configuration file be analyzed comparison with corresponding former configuration file, only with new configuration file with respect to the data configuration of former configuration file amendment to ONU.
Need to prove that the DPoE system comprises at least: OLT and vCM, carry out the analysis to configuration file by said OLT or vCM.
Triggering the initiation TFTP request of DPoE system with the SNMP mode below is example, to method for updating configuration data further explain of the present invention.As shown in Figure 3, this method comprises:
Step 301, ONU normally moves, and this expression offers the service that is connected the CPE on the ONU and can normally move.
Step 302 judges whether the configuration data of ONU needs to upgrade, if, execution in step 303; Otherwise, finish whole flow process.
Step 303; The configuration data of ONU needs to upgrade, and promptly the configuration file of tftp server upgrades, and the vCM in DPoE system or the DPoE system triggers the TFTP request of initiating through the SNMP interface; Be vCM in DPoE system or the DPoE system under the situation that ONU is not restarted, initiate the TFTP request.
Step 304, the vCM in DPoE system or the DPoE system sends the TFTP request to the tftp server of background management system, the configuration file of the ONU that the request down loading updating is crossed.
Step 305, the TFTP request that the vCM in the tftp server response of step 304 of background management system in DPoE system or the DPoE system initiates, and the configuration file after will upgrading downloads in the DPoE system.
Step 306 downloads to the new configuration file in the DPoE system, through certain processing, is updated on the ONU through expansion OAM passage by the DPoE system.
For the configuration file that receives; The DPoE system can be with the configuration data update all to ONU; Also can new configuration file be analyzed comparison with corresponding former configuration file, only with new configuration file with respect to the data configuration of former configuration file amendment to ONU, thereby reduce the amount of Updating Information; The business that makes ONU go up operation is not interrupted perhaps, and acceptable upgrades the data configuration on the ONU in break period.
Through the final updated success of the data configuration file of step 306, if perhaps determine configuration file need not upgrade the time in step 302, the configuration data renewal process of ONU finishes.
It is pointed out that the step 303 in the present embodiment also can carry out through other mode, such as the CLI mode, perhaps other can manage or control the mode of the vCM in DPoE system or the DPoE system.
The method for updating configuration data of corresponding above-mentioned ONU, the present invention also provides the configuration data update system of a kind of ONU, comprising: DPoE system, background management system and ONU.Wherein, the DPoE system is used for when the ONU operate as normal, initiates the TFTP request to background management system, obtain the new configuration file of said ONU from background management system, and the said new configuration file that will obtain is updated on the ONU.Background management system is used to respond the TFTP request of DPoE system, downloads for the DPoE system provides the new configuration file of ONU.ONU is used for carrying out corresponding configuration according to the new configuration file that the DPoE system provides.
Preferable, the DPoE system can be triggered through SNMP mode or command line mode and initiate the TFTP request.
Preferable, the DPoE system also can be used for, and the new configuration file that obtains is passed through the eOAM channel arrangement to ONU.
Preferable, the DPoE system also can be used for, with new configuration file update all to ONU; Perhaps, new configuration file is analyzed comparison with corresponding former configuration file, only with new configuration file with respect to the data configuration of former configuration file amendment to ONU.
Preferable, the DPoE system comprises: OLT and vCM, said OLT or vCM carry out the analysis to configuration file.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.

Claims (10)

1. the method for updating configuration data of an optical network unit (ONU) is characterized in that, this method comprises:
During the ONU operate as normal; Ethernet passive optical network (DPoE) system based on wire transmission data service interface specification management backstage initiates TFTP (TFTP) request to background management system, obtains the new configuration file of said ONU from said background management system;
The said new configuration file that said DPoE system will obtain is updated on the said ONU.
2. according to the method for updating configuration data of the said ONU of claim 1, it is characterized in that said DPoE system is triggered through Simple Network Management Protocol (SNMP) interface mode or command line interface (CLI) mode and initiates the TFTP request.
3. according to the method for updating configuration data of claim 1 or 2 said ONU, it is characterized in that, the said new configuration file that said DPoE system will obtain through extended operation management maintenance (eOAM) channel arrangement to said ONU.
4. according to the method for updating configuration data of claim 1 or 2 said ONU, it is characterized in that, said DPoE system with said new configuration file update all to said ONU; Perhaps, said new configuration file is analyzed comparison with corresponding former configuration file, only with said new configuration file with respect to the data configuration of former configuration file amendment to said ONU.
5. according to the method for updating configuration data of the said ONU of claim 4, it is characterized in that said DPoE system comprises: optical line terminal (OLT) and virtual coaxial cable modem (vCM), said OLT or vCM carry out the analysis to said configuration file.
6. the configuration data update system of an optical network unit (ONU) is characterized in that, this system comprises: based on ethernet passive optical network (DPoE) system, background management system and the ONU on wire transmission data service interface specification management backstage, wherein,
Said DPoE system; Be used for when the ONU operate as normal; Initiate TFTP (TFTP) request to said background management system, obtain the new configuration file of said ONU from said background management system, and the said new configuration file that will obtain is updated on the said ONU;
Said background management system is used to respond the TFTP request of said DPoE system, for said DPoE system provides the new configuration file of ONU to download;
Said ONU is used for carrying out corresponding configuration according to the new configuration file that said DPoE system provides.
7. according to the configuration data update system of the said ONU of claim 6, it is characterized in that said DPoE system is triggered through Simple Network Management Protocol (SNMP) interface mode or command line interface (CLI) mode and initiates the TFTP request.
8. according to the configuration data update system of claim 6 or 7 said ONU, it is characterized in that said DPoE system is further used for, with the said new configuration file that obtains through extended operation management maintenance (eOAM) channel arrangement to said ONU.
9. according to the configuration data update system of claim 6 or 7 said ONU, it is characterized in that said DPoE system is further used for, with said new configuration file update all to said ONU; Perhaps, said new configuration file is analyzed comparison with corresponding former configuration file, only with said new configuration file with respect to the data configuration of former configuration file amendment to said ONU.
10. according to the configuration data update system of the said ONU of claim 9, it is characterized in that said DPoE system comprises: optical line terminal (OLT) and virtual coaxial cable modem (vCM), said OLT or vCM carry out the analysis to said configuration file.
CN2011100533430A 2011-03-04 2011-03-04 Configuration data updating method and system of optical network unit (ONU) Pending CN102655459A (en)

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CN104079428A (en) * 2014-04-01 2014-10-01 烽火通信科技股份有限公司 System and method for managing configuration information conflicts
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CN103840960A (en) * 2012-11-23 2014-06-04 中兴通讯股份有限公司 Passive optical network service configuration method and system
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WO2019134687A1 (en) * 2018-01-05 2019-07-11 Zte Corporation Adaptive signal processing in optical communications
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Application publication date: 20120905