CN101047453B - Managing method and system for optical network unit or optical network terminal - Google Patents
Managing method and system for optical network unit or optical network terminal Download PDFInfo
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Abstract
A method for managing optical network terminal can realize configuration operation on optical network terminal or optical network unit by using optical link terminal to carry out conversion treatment on information interacted between automatic configuration server and optical network unit or optical network terminal in process of carrying out configuration on optical network unit or optical network terminal by automatic configuration server.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to the management method and the system of a kind of optical network unit or Optical Network Terminal.
Background technology
In existing Optical Access Network, the management of Optical Network Terminal/optical network unit (ONT/ONU) has and mainly contains following dual mode: a kind ofly pass through for the ITU-T definition that two layers of link protocol ONU management control channel (OMCI, ONU Management and Control Channel) directly dispose, the OMCI way to manage of office terminal; Another kind is TR069 configuration, the way to manage that comprehensive OMCI of use and Automatic Configuration Server (ACS, Auto Configuration System) carry out.
Below dual mode is introduced respectively.
Figure 1 shows that the OMCI way to manage of prior art one.ONT/ONU has detailed definition in recommendations such as ITU-T 983.2, ITU-T 984.4 by the OMCI channel management.In this scheme, do not need ONT/ONU is managed separately, all ONT/ONU configurations, upgrading, state performance monitoring are all finished by network management system/Element management system (NMS/EMS) of optical line terminal (OLT).OLT is converted to the message of OMCI form with message after receiving management request message from NMS/EMS, and sees through the OMCI passage and be handed down to corresponding ONT/ONU.Here, the general Simple Network Management Protocol (SNMP) that adopts also can adopt other NMPs between NMS/EMS and the OLT.Similar with it, OLT converts thereof into the snmp protocol message when the OMCI message that ONT/ONU reports, and is transmitted to NMS/EMS.
The weak point of prior art one is that OMCI is a kind of two layers of link protocol, and the management entity that the functional characteristic change of ONU/ONT causes changes must expansion or modification OMCI agreement.Owing to there is the ONU/ONT of One's name is legion in the network, through regular meeting the situation that change takes place the ONU/ONT functional characteristic appears therefore, and this just need frequently revise the OMCI agreement, increases a lot of inconvenience to real work.
Figure 2 shows that the TR069 way to manage of prior art two.The TR069 agreement proposes in DSL (Digital Subscriber Line) forum, and its agreement full name is a terminal wide area network management agreement.According to the definition of TR069 agreement, terminal and network equipment are set up communication channel and are obtained after the IP address, and Automatic Configuration Server (ACS) and terminal automatic interaction are finished the automatic configuration of equipment, service dispense dynamically; The management of terminal software/firmware map; The failure diagnosis of SOT state of termination, performance monitoring and terminal.
As shown in Figure 2, in prior art two, OMCI just is responsible for the power-up initializing of ONT/ONU, sets up physical link and logical links, and that the functional requirement of this part is stablized basically is constant.Other management function is directly managed ONT/ONU by the TR069 agreement by ac server, at this moment requires ONT/ONU to possess independent IP address, and management channels and traffic channel are separately.
Prior art two problem in actual applications is that a lot of ONT/ONU do not support TR069, so the scope of application of prior art two is narrow.
The management method and the system that the purpose of this invention is to provide a kind of optical network unit or Optical Network Terminal realize flexible, the efficient management to optical network unit or terminal.
The objective of the invention is to be achieved through the following technical solutions:
The management method of a kind of optical network unit or Optical Network Terminal, the system that this method is used comprises network/network element management system, Automatic Configuration Server, optical line terminal and at least one optical network unit or Optical Network Terminal, it is characterized in that, comprising:
A, network/network element management system are carried out configurations by optical line terminal to optical network unit or Optical Network Terminal;
B, judge whether optical network unit or Optical Network Terminal support the TR069 agreement, if, execution in step D then, otherwise, execution in step C;
After the information of the information translation of observing the TR069 agreement that C, optical line terminal will receive from Automatic Configuration Server this information is sent to Optical Network Terminal or optical network unit for management control channel form, by optical line terminal information mutual between described Automatic Configuration Server and optical network unit or the Optical Network Terminal is carried out conversion process, realize configuration operation Optical Network Terminal or optical network unit; Store in the described optical line terminal and do not support the TR069 agreement and need to pass through the optical network unit of TR069 consultative management or the mapping table of Optical Network Terminal information;
Mutual information between D, transparent transmission Automatic Configuration Server and optical network unit or the Optical Network Terminal.
Described network/network element management system realizes optical network unit or Optical Network Terminal are carried out power-up initializing by optical line terminal, sets up the physical link and the logical links of optical line terminal and optical network unit or Optical Network Terminal.
Message transmission between described network management system and optical line terminal is followed Simple Network Management Protocol, message transmission between optical line terminal and optical network unit or Optical Network Terminal is followed management control channel agreement, and the information translation that optical line terminal will be followed Simple Network Management Protocol is to follow the information of management control channel agreement.
Described optical line terminal comprises the conversion of Automatic Configuration Server information:
Optical line terminal is resolved each remote procedure call request or response that Automatic Configuration Server is initiated, draw the parameter that Automatic Configuration Server will be operated according to the mapping table of preserving in the optical line terminal, and encapsulate the information flow of Automatic Configuration Server with two layers of link protocol again.
Described optical line terminal comprises the conversion of optical network unit or Optical Network Terminal information:
Optical line terminal draws the optical network unit management entity information by analytic message, finds out remote procedure calling (PRC) method and the parameter list of corresponding TR069, and is converted to the message of following the TR069 agreement according to the message that the TR069 protocol stack sends optical network unit.
The management system of a kind of optical network unit or Optical Network Terminal comprises Automatic Configuration Server, optical line terminal and at least one optical network unit or Optical Network Terminal, it is characterized in that, comprises in the described optical line terminal:
Recognition unit is used to discern optical network unit or Optical Network Terminal and whether supports the TR069 agreement, and when supporting, triggers the transparent transmission processing unit, when not supporting, and the trigger message converting unit;
The information translation unit, be used for the network/network element management system and optical network unit or Optical Network Terminal carried out the configurations process, after the information of the information translation of observing the TR069 agreement for management control channel form that will receive from Automatic Configuration Server by optical line terminal this information is sent to Optical Network Terminal or optical network unit by optical line terminal; Store in the described optical line terminal and do not support the TR069 agreement and need to pass through the optical network unit of TR069 consultative management or the mapping table of Optical Network Terminal information;
The transparent transmission processing unit is used for information mutual between transparent transmission Automatic Configuration Server and optical network unit or the Optical Network Terminal.
As seen from the above technical solution provided by the invention, the message conversion of the present invention by OLT realizes not supporting the information interaction of the ONU/ONT and the ACS of TR069 agreement, guarantees that information interaction is with a wide range of applications; For the ONU/ONT that supports the TR069 agreement, ACS directly carries out information interaction with it, and information interaction speed is fast, can carry out information configuration flexibly.Therefore, it is narrower that the present invention can solve the range of application that exists in the prior art, the problem that configuration flexibility is low.
Figure 1 shows that the schematic diagram of prior art one;
Figure 2 shows that the schematic diagram of prior art two;
Figure 3 shows that the information translation schematic diagram of the embodiment of the invention one;
Figure 4 shows that the information translation schematic diagram of the embodiment of the invention two;
Figure 5 shows that the information interaction schematic diagram of the embodiment of the invention three;
Figure 6 shows that the information interaction schematic diagram of the embodiment of the invention four
Figure 7 shows that system configuration schematic diagram of the present invention.
According to Optical Network Terminal or optical network unit (ONU/ONT) to the support of TR069 agreement whether core of the present invention be, use diverse ways to realize the information interaction of Automatic Configuration Server (ACS) and ONU/ONT respectively: for the ONU/ONT that does not support the TR069 agreement, ACS and ONU/ONT change the back transmission by optical line terminal OLT to information; For the ONU/ONT that supports the TR069 agreement, ACS and ONU/ONT still by OLT transmission information, but need not OLT information is changed, or ACS and ONU/ONT directly carry out message transmission, need not to pass through OLT.
Say that more specifically when carrying out the information interaction of ACS and ONU/ONT, what ACS sent is the information of following the TR069 agreement, and have only the information that part of O NU/ONT can Direct Recognition the type.
For ONU/ONT that can Direct Recognition TR069 information, ACS directly carries out information interaction among the present invention with it; For the ONU/ONT that can not discern TR069 information, carry out information translation by OLT, but use the identifying information after the conversion to carry out information interaction; NMS/EMS (network management system/Element management system) carries out power-up initializing by OLT to ONU/ONT, sets up physical link and the logical links of OLT and ONU/ONT.
In addition, for the ONU/ONT that can discern TR069 information, ACS also can carry out information interaction by OLT with it, but OLT does not change information.
When ACS when ONU/ONT sends information, OLT is the discernible OMCI information of ONU/ONT with the TR069 information translation of ACS, again OMCI information is passed to ONU/ONT;
When ONU/ONT when ACS sends information, OLT is the discernible TR069 information of ACS with the OMCI information translation of ONU/ONT, again TR069 information is passed to ACS.
This shows that the present invention needs OLT respectively the information of ONU/ONT and ACS to be changed.
As shown in Figure 3, the embodiment of the invention one OLT comprises the format conversion process of ACS information:
Step 11, ACS adopt HTTP as host-host protocol, and TR069 information adopts SOAP (simple object access protocol) coding, sends request or response message to OLT;
Step 12, OLT resolve the message of receiving, analyze each RPC (remote procedure call) request or RPC response that ACS initiates;
The mapping table that step 13, OLT preserve according to inside draws ONU parameter and two layers of corresponding link protocol method of operation that ACS will operate;
Step 14, OLT be according to two layers of link protocol method of operation of gained, encapsulates the information flow of ACS again with two layers of link protocol, finishes the information format conversion to TR069 information.
As shown in Figure 4, the embodiment of the invention two optical line terminals comprise the format conversion process of optical network unit or Optical Network Terminal information:
Step 21, ONU adopt two layers of link protocol, send the response message of OLT operation or to the request message of OLT, the message that OLT sends in the embodiment of the invention is followed the OMCI agreement;
Step 22, OLT are resolved the message of receiving, judging whether need be mutual with ACS, carries out information interaction if desired, then analyze the pairing ONU management entity of outgoing packet information;
The mapping table that step 23, OLT are preserved according to its inside, and the management entity information of ONU and two layers of link operation method are found out RPC method and the parameter list of corresponding TR069;
Step 24, according to the information that draws in TR069 protocol stack and the step 23, OLT is converted to the message of following the TR069 agreement with the message that ONU sends.
Below in conjunction with the specific embodiment of the invention accompanying drawing the present invention is elaborated.
In the present invention, at first by OLT ONU/ONT is carried out configurations by network management system/Element management system (NMS/OMS), as the initialization that powers on, the physical link of setting up OLT and ONU/ONT and logical links, just ONU/ONT and ACS can carry out information interaction then.
Whether in the present invention, support the TR069 agreement that the information interaction between ONU/ONT and ACS is divided into two kinds of situations according to ONU/ONT handles.
For the ONU/ONT that supports the TR069 agreement, ONU/ONT can discern the TR069 message that ACS sends, and ACS directly links to each other with ONU/ONT, follows the configuration of the control information realization of TR069 agreement to ONU/ONT by transmission; ONU/ONT directly replys the response message of following the TR069 agreement to ACS too.
For the ONU/ONT that does not support the TR069 agreement, ACS and ONU/ONT can't directly use the message of following different agreement to carry out information interaction, therefore need change information format by OLT, with the information translation of following two kinds of agreements is the information of following with a kind of agreement, so that ACS and ONU/ONT carry out information interaction.In this case, OLT need resolve and format conversion the two-way news between ONU and the ACS.Main message flow comprises that ONU initiatively initiates the intercepting and capturing and the forwarding of message, and ACS interactive messages flow analysis that initiatively initiate and ONU, forwarding.
The present invention combines above-mentioned two kinds of situations, to not supporting the ONU/ONT of TR069 agreement, by OLT the information of ACS and ONU/ONT is changed the back and is carrying out information interaction; For the ONU/ONT that supports the TR069 agreement, then can be directly and ACS carry out information interaction.
For the ONU/ONT that does not support the TR069 agreement, OLT is when carrying out information format conversion, in order to realize in OLT, to safeguard a mapping table, preserve all and do not support TR069 but the end message that needs again to manage with TR069 to protocol of messages identification and format conversion.The content of this mapping table comprises following information at least:
ONU terminal iidentification, recommended format are the form of OUI+ sequence number, and wherein, OUI is production firm's sign of ONU, and production firm is assigned serial number voluntarily, but the sequence number that needs to guarantee each terminal does not repeat;
The physical label that ONU is current, recommended format are OLT frame/groove/port/logical identifier (Logica_ID), and Logical_ID is that OLT is the ONU sign that ONU distributes under the same port.
The present invention requires ACS also to preserve a mapping table equally, so that addressing ONU.The content of this table comprises following information at least:
The ONU terminal iidentification of the terminal iidentification of the ONU in the terminal iidentification of ONU, this information and OLT is identical, is similarly the form of OUI+ sequence number;
OLT sign under the ONU comprises the IP address of OLT etc.
As shown in Figure 5, the embodiment of the invention three ONU comprise to the information interactive process that ACS initiates:
Step 31, for because of not supporting the TR069 agreement need carry out the ONU of information type conversion, at first the mapping relations of ONU and affiliated OLT are set up, the foundation of mapping relations can pass through OSS (OSS) configuration or in the ACS user interface by operator's human configuration;
Step 32, ONU power on, and by two layers of OAM (operation and maintenance) notice of settlement OLT, for GPON, two layers of OAM agreement here refer to the OMCI agreement;
Step 33, OLT after the work of finishing the ONU power-up initializing, the mapping relations of maintenance terminal sign and terminal physical position;
Step 34, OLT and ACS set up TCP and are connected, and being connected between OLT and ACS can foundation in each needs transmission, also can set up normal connection, needn't frequently rebulid connection;
Step 35, OLT send HTTP POST message to ACS, initiate Inform RPC to ACS and call, and the event code of Inform (EventCode) is " 1 BOOTSTRAP ";
Step 36, ACS carry out Inform according to own inner corresponding strategy and call;
Step 37, ACS send HTTP Response message to OLT, return Inform Response;
Step 38, OLT pass through the OMCI return messages to ONU;
Step 39, OLT send empty HTTP Post message to ACS, and expression Post message sends and finishes;
Step 310, ACS send HTTP Resonse message to OLT, do not have the SOAP envelope in this message, perhaps comprise No More Request sign in the SOAP envelope head of this message;
Step 311, OLT receive that when not having the HTTP of SOAP envelope Response message or receiving the HTTP Response message that comprises No More Request sign, the OLT disconnection is connected with ACS's.
As shown in Figure 6, the information interactive process of initiatively being initiated by ACS comprises:
The mapping relations table of step 41, ACS inquiry OLT and ONU is found the pairing OLT as the ONU of Action Target, and the relevant information of this OLT;
The OLT of step 42, ACS and above-mentioned ONU correspondence sets up TCP and is connected;
Step 44, OLT be according to the regulation of agreement, disconnects being connected with the TCP of ACS after receiving HTTP Get message;
Step 45, OLT initiatively disconnected and after being connected of ACS, and initiatively rebulid with the TCP of ACS again to be connected, and after connection was set up successfully, ACS and ONU carried out information interaction;
Step 49, ONU carry out the OMCI instruction through being converted to, and upgrade self parameter;
After step 413, OLT received and do not have the SOAP envelope or indicate the HTTP Response message of No More Request, disconnection was connected with ACS's.
As shown in Figure 7, the management system of a kind of optical network unit or Optical Network Terminal comprises Automatic Configuration Server, optical line terminal and at least one optical network unit or Optical Network Terminal, it is characterized in that, comprises in the described optical line terminal:
The information translation unit is used at Automatic Configuration Server optical network unit or Optical Network Terminal being configured process, and information mutual between described Automatic Configuration Server and optical network unit or the Optical Network Terminal is carried out conversion process.
Also comprise in the described optical line terminal:
Recognition unit is used to discern optical network unit or Optical Network Terminal and whether supports the TR069 agreement, and when supporting, triggers the transparent transmission processing unit, when not supporting, and the trigger message converting unit;
The transparent transmission processing unit is used for information mutual between transparent transmission Automatic Configuration Server and optical network unit or the Optical Network Terminal.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (6)
1. the management method of optical network unit or Optical Network Terminal, the system that this method is used comprises network/network element management system, Automatic Configuration Server, optical line terminal and at least one optical network unit or Optical Network Terminal, it is characterized in that, comprising:
A, network/network element management system are carried out configurations by optical line terminal to optical network unit or Optical Network Terminal;
B, judge whether optical network unit or Optical Network Terminal support the TR069 agreement, if, execution in step D then, otherwise, execution in step C;
After the information of the information translation of observing the TR069 agreement that C, optical line terminal will receive from Automatic Configuration Server this information is sent to Optical Network Terminal or optical network unit for management control channel form, by optical line terminal information mutual between described Automatic Configuration Server and optical network unit or the Optical Network Terminal is carried out conversion process, realize configuration operation Optical Network Terminal or optical network unit; Store in the described optical line terminal and do not support the TR069 agreement and need to pass through the optical network unit of TR069 consultative management or the mapping table of Optical Network Terminal information;
Mutual information between D, transparent transmission Automatic Configuration Server and optical network unit or the Optical Network Terminal.
2. the management method of a kind of optical network unit according to claim 1 or Optical Network Terminal is characterized in that, described steps A specifically comprises:
Described network/network element management system realizes optical network unit or Optical Network Terminal are carried out power-up initializing by optical line terminal, sets up the physical link and the logical links of optical line terminal and optical network unit or Optical Network Terminal.
3. the management method of a kind of optical network unit according to claim 2 or Optical Network Terminal, it is characterized in that, message transmission between described network management system and optical line terminal is followed Simple Network Management Protocol, message transmission between optical line terminal and optical network unit or Optical Network Terminal is followed management control channel agreement, and the information translation that optical line terminal will be followed Simple Network Management Protocol is to follow the information of management control channel agreement.
4. the management method of a kind of optical network unit according to claim 1 or Optical Network Terminal is characterized in that, described optical line terminal comprises the conversion of Automatic Configuration Server information:
Optical line terminal is resolved each remote procedure call request or response that Automatic Configuration Server is initiated, draw the parameter that Automatic Configuration Server will be operated according to the mapping table of preserving in the optical line terminal, and encapsulate the information flow of Automatic Configuration Server with two layers of link protocol again.
5. the management method of a kind of optical network unit according to claim 1 or Optical Network Terminal is characterized in that, described optical line terminal comprises the conversion of optical network unit or Optical Network Terminal information:
Optical line terminal draws the optical network unit management entity information by analytic message, finds out remote procedure calling (PRC) method and the parameter list of corresponding TR069, and is converted to the message of following the TR069 agreement according to the message that the TR069 protocol stack sends optical network unit.
6. the management system of optical network unit or Optical Network Terminal comprises Automatic Configuration Server, optical line terminal and at least one optical network unit or Optical Network Terminal, it is characterized in that, comprises in the described optical line terminal:
Recognition unit is used to discern optical network unit or Optical Network Terminal and whether supports the TR069 agreement, and when supporting, triggers the transparent transmission processing unit, when not supporting, and the trigger message converting unit;
The information translation unit, be used for the network/network element management system and optical network unit or Optical Network Terminal carried out the configurations process, after the information of the information translation of observing the TR069 agreement for management control channel form that will receive from Automatic Configuration Server by optical line terminal this information is sent to Optical Network Terminal or optical network unit by optical line terminal; Store in the described optical line terminal and do not support the TR069 agreement and need to pass through the optical network unit of TR069 consultative management or the mapping table of Optical Network Terminal information;
The transparent transmission processing unit is used for information mutual between transparent transmission Automatic Configuration Server and optical network unit or the Optical Network Terminal.
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| 方亮，李迎春，林如俭.EPON中OAM子层功能的分析.光通信技术 2.2004,(4),全文. |
| 方亮,李迎春,林如俭.EPON中OAM子层功能的分析.光通信技术 2.2004,(4),全文. * |
| 方圆，刘海，刘德明.基于SNMP的EPON网管系统的设计与实现.电讯技术 4.2004,(4),全文. |
| 方圆,刘海,刘德明.基于SNMP的EPON网管系统的设计与实现.电讯技术 4.2004,(4),全文. * |
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