CN103354508B - A kind of OMCI management methods - Google Patents
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Abstract
The invention discloses a kind of OMCI management methods, belong to GPON interface management technical fields, specifically include：ONU equipment and OLT device are connected using OMCI interfaces；The OLT device issues OMCI data messages by the OMCI interfaces to the ONU equipment；The OMCI management methods include：Step 1, the ONU equipment is using OMCI data messages described in the first preset policy resolution；Step 2, one first interface model of data creation that the ONU equipment is obtained according to parsing；Step 3, the ONU equipment with preset second strategy by the first interface model conversion for a second interface model；The advantageous effect of above-mentioned technical proposal is：The method that data frame is handled in traditional OMCI interface models is substituted in the form of data flow, ONU equipment is enable to be compatible with the OLT device of different vendor's production, equipment cost and the cost of operation and maintenance are reduced, while reducing development difficulty, improves efficiency of research and development.
Description
Technical field
The present invention relates to a kind of GPON interface managements technical field more particularly to a kind of OMCI management methods.
Background technology
GPON（Gigabit-Capable Passive Optical Network, gigabit passive optical network）It is to be based on
There is the latest generation broadband passive light Integrated access standard of ITU-TG.984.x standards high bandwidth, high efficiency to cover model greatly
It encloses, user interface is abundant to wait many merits, is considered as by most of operators and realizes that access network service is broadband, synthesization transformation
Desirable technique.GPON technique functions start the ATM PON gradually formed derived from nineteen ninety-five（Asynchronous Transfer Mode
Passive optical network, the passive optical network based on Asynchronous transfer mode technology）Technical standard.GPON technologies are most
Early by FSAN（Full Service Access Networks, full service access network forum）In September, 2002 is organized in propose,
ITU-T（International Telecommunication Union-Telecommunication, International Telecommunication Union are remote
Journey communication standardization tissue）Complete the formulations of ITU-T G.984.1 and G.284.2 in March, 2003 on this basis, and with
The standardization completed G.284.3 in 2 months in 2004.To ultimately form the family of standards of GPON.
The basic structure of equipment based on GPON technologies is similar with existing PON, and by the OLT of local side（optical
Line terminal, optical line terminal）, the ONT equipment of user terminal（Optical network terminal, optical-fiber network are whole
End）/ ONU equipment（Optical Network Unit, optical node）, by the single mode optical fiber of connection first two equipment（SM fiber）
And passive optical splitters（Splitter）The ODN of composition（Optical Distribution Network, Optical Distribution Network）And
The optical network system of gateway system composition.Wherein, OLT device can pass through OMCI（ONT Management and Control
Interface, ONT are managed and control interface）To control ONU equipment.ONU equipment is parsed and is divided to the OMCI messages received
Business configuration is precipitated, then issues configuration.
But in the prior art, since each OLT manufacturers are to G.988（The newest OMCI standards defined at present）Understanding not
Same or realization method difference causes ONU equipment when docking the OLT of different vendor's production, it may appear that interconnection and interflow
Problem.The method generally used now is that the OLT device for different manufacturers on ONU uses different OMCI business diagnosis to patrol
Volume（It is directed to different OLT and uses different firmwares）.This have the disadvantage that the cost for increasing equipment and operation and maintenance
Cost.
Chinese patent（CN101764647A）A kind of ONU management consoles of GPON network management systems are disclosed, including
OMCI protocol modules, MIB management modules and ONU alarm modules, ONU alarm modules include alarm type and alarm process；OMCI
In protocol module, management is defined in FPGA the OMCI channels on GTC layers, and OLT management is provided for GPON Element management systems
The management control interface of ONU；OMCI parsing modules include the decoding unit of the OMCI frames in downstream；OMCI framing modules include
The coding unit of OMCI frames in upstream；ONU is acted on behalf of by OMCI channel transfer OMCI frames；Data searching unit is managing
Attribute, physical data and the warning information of managed entity are searched in information bank；Data access unit extracts in management information bank
With the information in storage management information bank.Above-mentioned technical proposal focuses on the specific way to manage of description OMCI, is not directed to
OMCI is directed to the connection corrective action that different OLT and ONU are played.
Chinese patent（CN101361399）A kind of Optical Network Termination Management and Control Interface, including memory are disclosed, it should
Memory includes data structure, which includes Optical Network Termination Management and Control Interface (OMCI), which includes more
A managed entity (ME), wherein one of described ME is the description of the OMCI.A kind of network components include processor, the processor
It includes the following method to be configured as executing：It initiates to send OMCI descriptions, wherein OMCI description packets to optical line terminal (OLT)
It includes：OMCI objects, the example describe the type for the ME that OMCI is supported；Multiple managed entity objects, the example describe
Each MB that OMCI is supported；And multiple attributes objects, the example describe each attribute that OMCI is supported.Above-mentioned technology
Scheme only discloses the basic framework of OMCI, does not disclose the content that OLT and ONU connection types are accordingly adjusted in OMCI.
Invention content
According to defect existing in the prior art, a kind of technical solution of OMCI management methods is now provided, is specifically included：
A kind of OMCI management methods, wherein using OMCI interfaces connection ONU equipment and OLT device；The OLT device is logical
It crosses the OMCI interfaces and issues OMCI data messages to the ONU equipment；
The OMCI management methods include：
Step 1, the ONU equipment is using OMCI data messages described in the first preset policy resolution；
Step 2, one first interface model of data creation that the ONU equipment is obtained according to parsing；
Step 3, the ONU equipment with preset second strategy by the first interface model conversion for a second interface
Model.
Preferably, the OMCI management methods, wherein the OMCI data messages include have it is different more for configuring
A configuration parameter by tube module；Each one or more functions issued by tube module for executing the OLT device；
Further include for identifying multiple multiple module serial numbers by tube module in the OMCI data messages；
In the step 1, the first preset strategy includes：
Step 11, the ONU equipment corresponds to all described by tube module in the OMCI data messages, to described
OLT device, which is sent, identifies successful feedback signal；
Step 12, when the ONU equipment judges that the module serial number is not the module serial number of the ONU equipment acquiescence,
Then the ONU equipment handles the module serial number using the first preset processing method.
Preferably, OMCI management methods, wherein in the step 12, the first preset processing method includes：
Step 121, the ONU equipment judges whether the module serial number is converted；
Step 122, if the module serial number is converted, the module serial number is converted by the ONU equipment
Preset corresponding standard module serial number.
Preferably, the OMCI management methods, wherein
It include the direction parameter for being directed toward each placement location by tube module in the OMCI data messages；
In the step 2, when the ONU equipment creates the first interface model, if described in ONU equipment judgement
The corresponding placement location of parameter is directed toward there is no described in by tube module, then the ONU equipment is with preset second processing side
Method is handled.
Preferably, OMCI management methods, wherein the preset second processing method includes：
Step 21, the ONU equipment judge the placement location pointed by the direction parameter with the presence or absence of it is described by
Tube module；
Step 22, if by tube module there is no described on the placement location, the ONU equipment is as needed described
By tube module described in creating one on placement location, and accordingly establish the configuration parameter by tube module.
Preferably, OMCI management methods, wherein in the step 2, the first interface model includes：
Multiple bridge ends；Each bridge end passes through at least one at least one ports GEM of ITP connections；The bridge joint
End is used for bridged ethernet；The ITP is used for ethernet data frame corresponding conversion at can be uploaded in the corresponding ports GEM
Defeated GEM encapsulation of data frame frames；The ports GEM are used for transmission the GEM encapsulation of data frame encapsulated by GEM；
The GEM encapsulation of data frames that each ports GEM are transmitted are formed a queue for carrying priority orders；Institute
The ports GEM are stated to be scheduled the GEM encapsulation of data frame according to the priority orders；
After the scheduling of the ports GEM, the GEM encapsulation of data frame is admitted to multiple according to the priority orders
In time-sequence control module；Each time-sequence control module is according to the priority orders of the GEM encapsulation of data frame, to multiple institutes
It states GEM encapsulation of data frames and carries out timing control；Multiple time-sequence control modules are connected to by a port GPON described
OLT device.
Preferably, OMCI management methods, wherein in the first interface model：
By the ethernet data frame of the bridge end, correspond to multiple and different priority orders in 1p, and
It is transmitted into the corresponding ports GEM by corresponding ITP.
Preferably, OMCI management methods, wherein in the step 3, the second preset strategy includes：
Step 31, the configuration parameter of the processing module is read in the data that the ONU equipment analytically obtains；
Step 32, the ONU equipment further includes a conversion module；The conversion module is according to realization IEEE802.1p work(
The ethernet data frame that the bridge end exports can be converted to the configuration parameter by tube module of ITP functions
Corresponding data flow, to form the second interface model.
Preferably, OMCI management methods, wherein the second interface model includes：
The ethernet data frame is sent to the conversion module by the bridge end；The conversion module is by the bridge joint
The ethernet data frame of end output is converted into a corresponding data flow；The conversion module is specified according to the data flow
The outlet of the corresponding ports GEM of one or more.
The multiple and different priority corresponded in 1p by multiple data frames that the different outlets exports are suitable
Sequence.
Preferably, OMCI management methods, wherein the conversion module is specified to correspond to the ports GEM no more than 8
Outlet；The quantity of the corresponding ports GEM is no more than 8.
The advantageous effect of above-mentioned technical proposal is：Using the traditional OMCI interface moulds of the formal argument of general " data flow "
Type so that ONU equipment can be compatible with the OLT device of different vendor's production, reduce equipment cost and the cost of operation and maintenance, together
When reduce development difficulty, improve efficiency of research and development.
Description of the drawings
Fig. 1-2 is a kind of flow diagram of OMCI management methods in the embodiment of the present invention；
Fig. 3 is traditional OMCI interface models in the embodiment of the present invention（That is first interface model）Structural schematic diagram；
Fig. 4 is the structural schematic diagram of the second interface model by conversion in the embodiment of the present invention.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, but not as limiting to the invention.
In traditional GPON networks, OLT device issues parameter configuration to control the work shape of ONU equipment by OMCI interfaces
State, which includes the parameter configurations etc. that ONU equipment opens various businesses.
As shown in Figure 1, in the embodiment of the present invention, a kind of OMCI management methods specifically include：
Step 1, OLT device issues OMCI data messages by OMCI interfaces to ONU equipment；
Step 2, ONU equipment receives and parses through the OMCI data messages issued；
Step 3, ONU equipment builds a first interface model according to the data that parsing obtains；The first interface model is
The universal model of OMCI interfaces in the prior art；
Step 4, ONU equipment is according to the first interface model, and parses obtained various configuration parameters, by first interface
Model conversion is at second interface model.
As shown in Fig. 2, in the embodiment of the present invention, the step of ONU equipment parses the OMCI data messages issued, includes：
Step 21, ONU equipment is all by tube module in OMCI data messages to being included in, and replys OLT device identification
Successful feedback signal；
Step 22, ONU equipment judges whether the module serial number being included in OMCI data messages is to be given tacit consent in ONU equipment
Standard module serial number；
Step 23, if above-mentioned module serial number is the module serial number given tacit consent in ONU equipment, ONU equipment is by the module serial number
Be converted to corresponding standard module serial number preset in ONU equipment；To enable a system to identify；
Step 24, whether ONU equipment judges the placement location pointed by the direction parameter being included in OMCI data messages
There are due by tube module；
Step 25, if by tube module, ONU equipment is as needed there is no due, at above-mentioned placement location voluntarily
One is created by tube module, and creates the relevant configured parameter by tube module simultaneously.
In above-mentioned steps：
It is the management entity indicated in GPON networks by tube module（Managed Entity）.Management entity is GPON networks
In, what OLT device issued is able to carry out the entity of one or more functions（Such as provide operation function, management function, maintenance and
Prophylactic function etc.）；
Module serial number, that is, instance number（Entity ID）, for identifying a management entity.
The pointer parameter being directed toward in parameter, that is, data message；Placement location pointed by pointer parameter is that above-mentioned management is real
The storage location of body.If corresponding management entity is not present in the storage location pointed by pointer parameter, that is, indicate the pointer parameter
It is illegal.But by an embodiment of the present invention, ONU equipment needs to establish first interface model according to management entity, because
This, when ONU equipment judges that the due management entity of storage location institute that the pointer parameter is directed toward is to establish first interface model
When the management entity of indispensability, ONU equipment can voluntarily create a corresponding management entity in the storage location, and create simultaneously
The corresponding configuration parameter of the management entity.
After above-mentioned resolving, ONU equipment obtains parsing data, and the pipe that can include according to the parsing data
It manages entity and it configures parameter and builds a first interface model：
The first interface model is the interface model generally used in ONU equipment, and the first interface model is as shown in Figure 3：
Multiple bridge ends 1（Bridge Port）For bridged ethernet（It is not shown）With ONU equipment；
Entered in multiple 1p by the ethernet data frame of bridge end 1（Using IEEE802.1p agreements, in the accompanying drawings with mark
Note 2 indicates）；1p is by above-mentioned ethernet data frame in the embodiment of the present invention；In the embodiment of the present invention, 1p is by ether netting index
It is handled as one or more data frames for carrying preset priority orders according to frame；The agreement that 1p is used is IEEE802.1P（LAN
Layer2QoS/CoS Protocol for Traffic Prioritization, related traffic prioritization LAN second layers QoS/
CoS agreements）；Data frame of the one or more exported from 1p with priority orders is by corresponding one or more intercommunications
End point（Interworking Termination Point, ITP）21 are admitted to the corresponding one or more ends GEM（GEM
Port）3.In the embodiment of the present invention, when data frame does not have preset priority（When there was only a data frame）, can be with
1p is dispensed, ethernet data frame is directly admitted to by interworking terminal point 21 in the corresponding ends GEM 3.
After multiple ends GEM 3 receive the above-mentioned data frame with priority orders, first to data frame with the encapsulation sides GEM
Formula（GPON Encapsulation Mode）It is packaged, to form corresponding GEM encapsulation of data frame, then, 3 basis of the ends GEM
Different priority orders are scheduled GEM encapsulation of data frames, to form multiple and different priority queries 4（Priority
Queue）；GEM encapsulation of data frames are put into corresponding priority query 4 by the ends GEM.
Multiple GEM encapsulation of data frames in different priority queries 4 are accordingly sent into different time-sequence control modules 5
In.In the embodiment of the present invention, time-sequence control module 5 is transmission container（Transmission Container, TCON）, due to
The characteristic of GPON networks, it is synchronous to need the transmission of different data frame, therefore for different data frames, needs to assign
Its different transmission delay, to ensure synchronous transfer；The effect of TCON is by managing GPON system transmission convergence layers
（Transmission Convergence Layer, TC layer）Upstream bandwidth distribution, to realize for transmission data in OMCI
The timing control function of frame.
Multiple time-sequence control modules 5 pass through a port GPON 6（GPON Port）It is connected to OLT device（It is not shown）.
Above-mentioned interface model is general interface model, but for the ONU equipment of particular vendor production, it can not be complete
It is complete to realize the universal model for corresponding to the management entities of functions such as agreement IEEE802.1p and ITP, therefore lead to ONU equipment
It can not be compatible with the OLT device of different vendor's production well.For this defect, given such as Fig. 4 in the embodiment of the present invention
Shown in by transformation second interface model：
Corresponding difference between second interface model and first interface model, is mainly concerned with and is handled using 1p and ITP
The part of data frame.In second interface model, a conversion module 7, quilt are passed through by the ethernet data frame that bridge end 1 is sent
It is converted into a data flow；The data outlet of the subsequent specified one or more different ports correspondence GEM of conversion module 7.This hair
In bright embodiment, different data outlets corresponds to the different priority orders of 1p in first interface model；Subsequent connects
Mouth mold type is similar with the first interface model in the embodiment of the present invention.
Above-mentioned transformation done in the embodiment of the present invention is by the 1p and ITP processing numbers in first interface model
It is uniformly converted into transformation data flow according to the part of frame（FLOW）Mode.In the embodiment of the present invention, conversion module 7 is at most supported
8 different data outlets correspond to 8 different priority orders handled by the 1p in first interface model, therefore, this
Conversion module 7 in the embodiment of invention also can only at most support 8 ends GEM 3.
The management entity that 1p functions and ITP functions are realized due to only having been used in above-mentioned conversion, therefore it may only be necessary to know
The concrete configuration parameter of above two management entity, can be by being calculated in the embodiment of the present invention about data flow
（FLOW）Transformation model.And above-mentioned configuration parameter, it can parse and obtain from OMCI data messages before.
In the embodiment of the present invention, in data flow（FLOW）In, need the direction for indicating Business Stream.For example, for general
Unicast stream for, Business Stream direction is set as two-way；And for multicast data flow, it needs to set in Business Stream direction
For down direction.
In the embodiment of the present invention, actual conditions that the TCON data on a port GPON 6 can be supported according to chip
It determines, and is reported to OLT device.Corresponding alloc_id is needed to configure in TCON（Allocation Identifier, point
With identifier）And scheduling method.
The Gem CTP management entities of standard may be used to be created and be matched in the ends GEM 3 in the embodiment of the present invention
It sets.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (8)
1. a kind of OMCI management methods, which is characterized in that using OMCI interfaces connection ONU equipment and OLT device；The OLT is set
It is standby that OMCI data messages are issued to the ONU equipment by the OMCI interfaces；The OMCI management methods include：
Step 1, the ONU equipment is using OMCI data messages described in the first preset policy resolution；
Step 2, one first interface model of data creation that the ONU equipment is obtained according to parsing；
Step 3, the ONU equipment with preset second strategy by the first interface model conversion for a second interface mould
Type；
The second preset strategy includes：
Step 31, the configuration parameter by tube module is read in the data that the ONU equipment analytically obtains；
Step 32, the ONU equipment further includes a conversion module；The conversion module according to realize IEEE802.1p functions and
The ethernet data frame that bridge end exports is converted to corresponding number by the configuration parameter by tube module of ITP functions
According to stream, to form the second interface model；
The second interface model includes：
The ethernet data frame is sent to the conversion module by the bridge end；The conversion module is defeated by the bridge end
The ethernet data frame gone out is converted into a corresponding data flow；The conversion module is one specified according to the data flow
Or the outlet of multiple corresponding ports GEM；
The multiple and different priority corresponded in IEEE802.1p by multiple data frames that the different outlets exports are suitable
Sequence.
2. OMCI management methods as described in claim 1, which is characterized in that the OMCI data messages include having difference
For configuring multiple configuration parameters by tube module；Each one issued by tube module for executing the OLT device
A or multiple functions；
Further include for identifying multiple multiple module serial numbers by tube module in the OMCI data messages；The step 1
In, the first preset strategy includes：
Step 11, the ONU equipment corresponds to all described by tube module in the OMCI data messages, to the OLT
Equipment, which is sent, identifies successful feedback signal；
Step 12, when the ONU equipment judges that the module serial number is not the module serial number of ONU equipment acquiescence, then institute
It states ONU equipment and the module serial number is handled using the first preset processing method.
3. OMCI management methods as claimed in claim 2, which is characterized in that in the step 12, at described preset first
Reason method includes：
Step 121, the ONU equipment judges whether the module serial number is converted；
Step 122, if the module serial number is converted, the module serial number is converted into preset by the ONU equipment
Corresponding standard module serial number.
4. OMCI management methods as described in claim 1, which is characterized in that
It include the direction parameter for being directed toward each placement location by tube module in the OMCI data messages；
In the step 2, when the ONU equipment creates the first interface model, if the ONU equipment judges the direction
There is no described for the corresponding placement location of parameter by tube module, then the ONU equipment with preset second processing method into
Row processing.
5. OMCI management methods as claimed in claim 4, which is characterized in that the preset second processing method includes：
Step 21, the ONU equipment judges the placement location pointed by the direction parameter with the presence or absence of described by pipe die
Block；
Step 22, if by tube module there is no described on the placement location, the ONU equipment is as needed in the placement
By tube module described in creating one on position, and accordingly establish the configuration parameter by tube module.
6. OMCI management methods as described in claim 1, which is characterized in that in the step 2, the first interface model packet
It includes：
Multiple bridge ends；Each bridge end passes through at least one at least one ports GEM of ITP connections；The bridge end is used
In bridged ethernet；The ITP is used for ethernet data frame corresponding conversion at can be transmitted on the corresponding ports GEM
GEM encapsulation of data frame frames；The ports GEM are used for transmission the GEM encapsulation of data frame encapsulated by GEM；
The GEM encapsulation of data frames that each ports GEM are transmitted are formed a queue for carrying priority orders；It is described
The ports GEM are scheduled the GEM encapsulation of data frame according to the priority orders；
After the scheduling of the ports GEM, the GEM encapsulation of data frame is admitted to multiple sequential according to the priority orders
In control module；Each time-sequence control module is according to the priority orders of the GEM encapsulation of data frame, to multiple described
GEM encapsulation of data frames carry out timing control；Multiple time-sequence control modules are connected to the OLT by a port GPON
Equipment.
7. OMCI management methods as claimed in claim 6, which is characterized in that in the first interface model：
By the ethernet data frame of the bridge end, the multiple and different priority corresponded in IEEE802.1p are suitable
Sequence, and be transmitted into the corresponding ports GEM by corresponding ITP.
8. OMCI management methods as described in claim 1, which is characterized in that the conversion module is specified to be no more than 8 correspondences
The outlet of the ports GEM；The quantity of the corresponding ports GEM is no more than 8.
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| CN105992077A (en) * | 2015-02-03 | 2016-10-05 | 中国移动通信集团安徽有限公司 | Optical network unit management and control interface layer data conversion method and device |
| CN107517118A (en) * | 2016-06-17 | 2017-12-26 | 中兴通讯股份有限公司 | A kind of service activating method and system, optical line terminal and optical network unit |
| CN107026768B (en) * | 2017-03-31 | 2020-05-01 | 深圳市飞鸿光电子有限公司 | Method and device for testing butt joint limitation of optical network terminals of different manufacturers |
| CN108964944B (en) * | 2017-05-18 | 2022-06-17 | 中兴通讯股份有限公司 | Execution strategy issuing method, processing method and device for remote management operation |
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