CN110536188A - OLT device management method and system - Google Patents
OLT device management method and system Download PDFInfo
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- CN110536188A CN110536188A CN201910650615.1A CN201910650615A CN110536188A CN 110536188 A CN110536188 A CN 110536188A CN 201910650615 A CN201910650615 A CN 201910650615A CN 110536188 A CN110536188 A CN 110536188A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0086—Network resource allocation, dimensioning or optimisation
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- Computer And Data Communications (AREA)
Abstract
The invention discloses OLT device management method and systems, it is related to the management domain of local side apparatus in broadband access network, this method includes creation virtual master control disk, virtual service disk and virtual LAN, the virtual service disk includes dummy line chuck and virtually goes up united dish, and the data path of the virtual LAN and board chip forms loopback channel between virtual master control disk, dummy line chuck.The virtual master control disk finds protocol discovery dummy line chuck by preset hardware using loopback channel automatically.The virtual master control disk is communicated by preset connection Handshake Protocol with the completion of virtual service disk in virtual LAN.Virtual master control disk is interacted with dummy line chuck with loopback channel, and processing sends message, and the virtual master control disk is with virtual service disk for user configuration in the form of single-deck.
Description
Technical field
The present invention relates to the management domains of local side apparatus in broadband access network, and in particular to OLT device management method and
System.
Background technique
Optical Access Network is exactly the access network using light as transmission medium, copper wire is substituted, for accessing each family.Light connects
Entering network is by OLT (Optical Line Terminal, optical line terminal) and ONU (Optical Network Unit, light
Network unit) and ODN (Optical Distribution Network, Optical Distribution Network) three parts composition；Wherein OLT and
ONU is the core component of Optical Access Network.
OLT is card insert type distributed system at present, is made of main control unit, line chuck and upper united dish, by reality in equipment
Three main control unit, line chuck and upper united dish single-decks of middle setting, completion high bandwidth, integrated service, large capacity ONU access need
It asks.
But lower in urban or its size of population of cities and towns, network demand is not high, leads to the city or cities and towns and is not required to
Want the OLT device for capableing of the card insert type compartment system of large scale processing network service.In general the boxlike of 1 board is used
The processing of OLT can just can satisfy its demand.But after variation is using 1 board on hardware, form is changed,
But the new system and software kit that can be run for the redesign using 1 board, need design time, designer
Power, and new maintenance personnel is cultivated, there are higher time and human cost.Therefore it needs a kind of method and meets user function and industry
On the basis of business demand, shorten design time, saves human resources, and then reduce time, human cost.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide OLT device management method and system, energy
Enough guarantee that the OLT device of New raxa quickly comes into operation, while saving time and the human resources of design requirement.
To achieve the above objectives, in a first aspect, the embodiment of the present invention provides OLT device management method comprising:
Creating virtual master control disk, virtual service disk and virtual LAN, the virtual service disk includes dummy line chuck
With virtual upper united dish, the data path of the virtual LAN and board chip group between virtual master control disk, dummy line chuck
At loopback channel；
The virtual master control disk finds protocol discovery dummy line chuck by preset hardware using loopback channel automatically；
The virtual master control disk is completed in virtual LAN by preset connection Handshake Protocol and virtual service disk logical
Letter；
Virtual master control disk is interacted with dummy line chuck with loopback channel, and processing sends message, the virtual master control disk and void
Quasi- service board is in the form of single-deck for user configuration.
As a preferred embodiment, virtual master control disk is interacted with dummy line chuck with loopback channel, and processing is sent
Message, the virtual master control disk and virtual service disk are in the form of single-deck for user configuration:
The virtual master control disk and virtual upper united dish are the host process run on CPU, and the dummy line chuck is
Run on the line card process on CPU；
The communication of the virtual master control disk and dummy line chuck is that host process and line card process pass through the loopback channel
Carry out data transmission.
It further include being led to by the software loopback that CPU protocol stack in house software is formed as a preferred embodiment
Road, the method that failure is checked by process monitoring of the software loopback access needle to virtual master control disk and dummy line chuck.
As a preferred embodiment, the hardware find automatically agreement include: line card disc-type, software version,
Hardware version, MAC Address, IP address, port number information.
As a preferred embodiment, the hardware finds that the message that agreement uses is the virtual LAN automatically
The type of message of carrying.
As a preferred embodiment, the connection of virtual master control disk and virtual service disk described in heartbeat detection, if even
Disconnection is connect then to give notice.
Second aspect, the embodiment of the present invention also provide a kind of OLT device, which is characterized in that it includes virtual master control disk, void
Quasi- service board and virtual LAN, the data path of virtual LAN described in the virtual LAN and board chip is virtual
Loopback channel is formed between main control unit, dummy line chuck；
The virtual master control disk finds protocol discovery dummy line chuck by preset hardware using loopback channel automatically；
The virtual master control disk is completed in virtual LAN by preset connection Handshake Protocol and virtual service disk logical
Letter；
Virtual master control disk is interacted with dummy line chuck with loopback channel, and processing sends message, the virtual master control disk and void
Quasi- service board is in the form of single-deck for user configuration.
As a preferred embodiment, the virtual master control disk is that internal loopback communicates with the interaction of dummy line chuck
Mode carry out:
The virtual master control disk and virtual upper united dish are the host process run on CPU, and the dummy line chuck is
Run on the line card process on CPU；
The communication of the virtual master control disk and dummy line chuck is that host process and line card process pass through the loopback channel
Carry out data transmission.
As a preferred embodiment, the hardware find automatically agreement include: line card disc-type, software version,
Hardware version, MAC Address, IP address, port number information.
As a preferred embodiment, the hardware finds that the message that agreement uses is the virtual LAN automatically
The type of message of carrying.
Compared with the prior art, the advantages of the present invention are as follows:
Virtual master control disk and virtual service disk is directly arranged in OLT device management method and system of the present invention, and by virtual
Local area network keeps its connection, card insert type OLT device method of operation processing data and message is imitated, even if hardware in OLT device
Changed, it, can be directly using running in card insert type OLT device still according to card insert type OLT device actual motion
Program operation, saves the development time.For external user, maintenance personnel, it still is able to configure in the form of single-deck, it is right
No longer need to relearn the allocation plan of novel OLT in user and maintenance personnel, it is only necessary to continue to use card insert type OLT device
Application method.For device manufacturer, design, the design cost of production and maintenance Novel OLT equipment, production week
Phase and maintenance manpower and material resources have also obtained biggish reduction or shortening.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, a letter is made to the corresponding attached drawing of embodiment below
Singly introduce, it should be apparent that, drawings in the following description are some embodiments of the invention, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the step flow chart of OLT device management method embodiment of the present invention；
Fig. 2 is OLT internal communication configuration figure in OLT device management method embodiment of the present invention；
Fig. 3 is the composition figure of message under ADP agreement in OLT device management method embodiment of the present invention, message；
Fig. 4 is the structural schematic diagram that OLT device management method embodiment of the present invention carries out Message processing by loopback channel；
Fig. 5 is the structural schematic diagram of each thread of OLT device management system embodiment of the present invention in a network.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
The embodiment of the present invention provides OLT device management method and system, the virtual master control to be linked together by setting
Disk, virtual service disk simulate the single-deck of existing card insert type OLT device, can be quickly enterprising in the OLT device of configuration different hardware
Row actual motion.
To reach above-mentioned technical effect, the general thought of the application is as follows:
Creating virtual master control disk, virtual service disk and virtual LAN, the virtual service disk includes dummy line chuck
With virtual upper united dish, the data path of the virtual LAN and board chip group between virtual master control disk, dummy line chuck
At loopback channel；
The virtual master control disk finds protocol discovery dummy line chuck by preset hardware using loopback channel automatically；
The virtual master control disk is completed in virtual LAN by preset connection Handshake Protocol and virtual service disk logical
Letter；
Virtual master control disk is interacted with dummy line chuck with loopback channel, and processing sends message, the virtual master control disk and void
Quasi- service board is in the form of single-deck for user configuration.
In conclusion regardless of in current OLT device hardware configure, the embodiment of the present invention is carried out using its hardware resource
Virtualization, creation virtual master control disk, virtual service disk and the card insert type OLT device method of operation for imitating standard, runs relevant
Message processing.It no longer needs again according to the new system of the hardware design in current OLT device, driving and related software, greatly
Reduce design, production and maintenance period, cost greatly.
Three kinds of main control unit, upper united dish and line chuck void are fictionalized by the OLT device internal system in any hardware configuration
The code of each virtual single-deck is individually compiled using modular design method, can continue to continue to use card insert type in this way by quasi-simple disk
The single-deck software code of OLT is developed, compatible old device software framework, while reducing exploitation amount.Further, which sets
It is standby to be externally 3 pieces to what user was presented and fictionalize the single-deck come, user still this three pieces of single-decks can be carried out business configurations and
State readback, that is, the business and function that the OLT device can support in an identical manner OLT all no longer become to meet user
More configuration method, the demand of mode reduce Novel OLT equipment and use difficulty.The way to manage of OLT keeps one with card insert type OLT
It causes, upper united dish is interconnected with network side equipment, and line chuck is interconnected with user side equipment, order line, network management, TL1
(Transaction Language-1,1 type interactive language), MIB (Management Information Base, management information
Library), plate communication be managed by main control unit, application method and traditionally as card insert type OLT improves user and perceives.
It should be noted that line chuck is the reception user side, that is, side ONU message and handles the board for being reported to main control unit, and
Main control unit is to receive line chuck, the message that upper united dish is sent, data information and alignment processing forwarding or the board for returning message,
Upper united dish is the board for receiving main control unit message or upper layer network order line, message etc. information and handling.
It should also be noted that, the board chip in the present invention is that entity hardware is fictionalized by the operation of board chip
Main control unit and service board.For the less small towns of population, the less simple OLT device of the function of using may only include
One board, and city biggish for population base, the complicated OLT device function price used is complicated, and performance is higher, can
Can include multiple boards, but regardless of being simple OLT device or complicated OLT device, by means of the present invention after, as long as passing through
One or more chip on its board fictionalizes main control unit and service board.Therefore, the present invention is indifferent to solid core
The number and type of piece, as long as the chip that can complete the function of above-mentioned virtual computing is all contained in board of the present invention
In chip.
In order to better understand the above technical scheme, being described in detail With reference to embodiment.
Shown in Figure 1, the embodiment of the present invention provides OLT device management method comprising:
S1: creation virtual master control disk, virtual service disk and virtual LAN, the virtual service disk includes virtual line card
The data path of disk and virtually upper united dish, the virtual LAN and board chip is between virtual master control disk, dummy line chuck
Form loopback channel；
By simulation main control unit, virtual service disk and virtual LAN, can simulate main in real card insert type OLT device
It manipulates stock quotations, the operation of the working method of service board and local area network still is able to even if hardware is different in OLT device with identical side
Formula operation goes processing OLT device using similar design, production, way to manage.Although each analog hardware is different OLT
The different hardware condition Imitatings of equipment, it can be by board chip, storage etc. but be in each hardware condition
Type of hardware realizes the main control unit simulated in reality, service board and local area network, i.e., come with identical by way of software
Processing mode, realization and the almost the same function of card insert type OLT device, while the hardware that can also exclude different OLT devices is poor
It is different, only because the performance factor of hardware, so that respectively OLT device embodies in the speed and efficiency in processing message, data
The difference of hardware.
For example, the code of different virtual single-decks is that independent compiling is completed, these codes respectively will be each by script
The executable program of virtual single-deck is packaged, and is generated at application program is merged into, and when OLT device system upgrade, is then closed this
And program downloading and storage are into equipment FLASH.This consolidation procedure is decompressed when the system starting of OLT device, difference is respectively created
Process runs the program of virtual single-deck, that is, has achieved the purpose that create virtual master control disk and virtual service disk.
S2: the virtual master control disk finds protocol discovery virtual line card by preset hardware using loopback channel automatically
Disk.
After establishing virtual master control disk, virtual service disk, although each virtual single-deck can complete respective data processing function
Can, but its processing result needs interaction to complete, therefore, it is necessary to inform at least one single-deck, the position of other single-decks.
After default ADP (Auto Detect Protocol, hardware find agreement automatically), main control unit is issued both by virtual local area network
Fixed message, and virtual service disk then passes through after virtual LAN receives the set message, returns to confirmation message to virtual main
It manipulates stock quotations, such virtual master control disk is just it can be found that the position of virtual service disk.It should be noted that virtual service disk is not limited to 1
A single-deck can be dummy line chuck and/or virtually upper united dish.Virtual master control disk finds dummy line chuck and the virtual first line of a couplet
After disk, the movement of connection in next step can be entered.
For example, as shown in Figure 2:
Virtual main control unit and virtual service board are created first, and are initialized.
After main control unit completes initialization, the service board being currently running is detected first；
After main control unit finds service board, main control unit calls ADP processing module, i.e. hardware finds protocol processes mould automatically
Block issues connection request to the ADP processing module of service board；
After service board receives connection request by the ADP processing module of its own, connection is established with main control unit.
It after completing connection, can be communicated, carry out message management.
As a preferred embodiment, as shown in Figure 3 (B in figure bracket is byte), the ADP includes: line
Chuck types, software version, hardware version, MAC Address, IP address, port number information.
For example, virtual master control disk interval preset time period will send in virtual LAN and send ADP (auto
Detect protocol) hardware finds the message of agreement automatically, line card process can respond after receiving ADP, and main control unit connects
The available line card disc-type of ADP, software version, hardware version, MAC Address, IP address, port are parsed after receiving ADP response
Number information.ADP packet is carried by virtual LAN VLAN technology, and Ethernet Packet type is 0x8100, and corresponding VLAN is
0x0ff9 (4089), bearing message type are 0x7800, this message will not be sent on external network only in internal loopback.
S3: the virtual master control disk is completed in virtual LAN by preset connection Handshake Protocol and virtual service disk
Communication.
After virtual master control disk finds virtual service disk, by preset connection Handshake Protocol completion virtual master control disk and virtually
The communication of service board can realize virtual data, message transmissions between virtual master control disk and virtual service disk.
As a preferred embodiment, the connection of virtual master control disk and virtual service disk described in heartbeat detection, if even
Disconnection is connect then to give notice.
For example, whether virtual master control disk or virtual service disk are normal using heartbeat mechanism detection connection, work as discovery
Active transmission heartbeat packet when a period of time connects no packet sending and receiving does not obtain still responding, thinks to connect after repeatedly sending heartbeat packet
Exception is connect, is closed and is connected and notify upper layer application.
S4: virtual master control disk is interacted with dummy line chuck with loopback channel, and processing sends message, the virtual master control disk
With virtual service disk for user configuration in the form of single-deck.
Virtual master control disk, virtual service disk really calculated in the form of software in board chip, complete information and
The processing of message.And when data processed result is transmitted between each single-deck, it is practical to be transmitted still through the channel of simulation,
Therefore, data are in the virtual master control disk simulated in board chip, loopback uses between dummy line chuck, wherein virtually upper united dish
In the form of channel-like, upward information transfer channel is provided to virtual master control disk.
Shown in Figure 4 as a preferred embodiment, the virtual master control disk and dummy line chuck are logical with loopback
The mode interaction of letter includes:
The virtual master control disk and virtual upper united dish are the host process run on CPU, and the dummy line chuck is
Run on the line card process on CPU；
The communication of the quasi- main control unit and dummy line chuck be host process and line card process by the loopback channel into
The transmission of row data.Wherein as virtual hardware device, it is really transported in board chip in a manner of process in systems
Row, and handle message.Wherein virtual master control disk and virtual upper united dish are the host process run on CPU, host process
The communication process given out a contract for a project toward line card process direction are as follows: message is issued exchange chip by CPU protocol stack by host process, exchanges core
Piece issues PON chip again, and PON chip serves CPU protocol stack again, and such line card process can obtain master control from CPU protocol stack
The packet of process.And line card process is consistent with host process, it is only contrary.The dummy line chuck is to run on CPU
Line card process.Different processes realizes different Message processing functions, and interacts, to complete the function of OLT device.
Further, shown in Figure 4, except through virtual LAN propagation data between each process, can also lead to
It crosses inside CPU protocol stack and is transmitted by privately owned network segment (such as 127.0.0.1) software Loopback Mode.Solid line is represented logical in Fig. 4
Virtual LAN propagation data is crossed, and dotted line represents the Loopback Mode transmitting of software.Host process and line card process pass through software
Protocol stack in the address of internal loopback carry out message interaction and communication, when the virtual LAN of board chip composition breaks down
When can pass through this loopback channel carry out problem investigation.The software loopback channel formed by CPU protocol stack in house software leads to
The software loopback access needle is crossed to the method for the process monitoring investigation failure of virtual master control disk and dummy line chuck.
For example, each virtual single-deck runs the program of oneself on board chip respectively, realizes respective function.Master control
Process and line card process are run on same CPU, and host process is responsible for public network network communication, and line card process is responsible for logical with ONU
Letter.Above-mentioned internal loopback communication mode is then used inside host process and line card process, system is practical to use 2 kinds of Loopback Modes,
The first is board chip interior Loopback Mode, and second is using privately owned network segment (such as 127.0.0.1) protocol stack sofeware ring
The mode of returning, default handles message by board chip interior Loopback Mode when OLT device system runs each thread, and works as board
Software loop then can be used when chip exception back into row positioning problems.
Further, failure is checked for the software process monitor of simulation virtual master control disk and dummy line chuck.
For example, positioning problems are carried out in the transmission in loopback channel by converse inspection message.
In conclusion the application virtually each single-deck, and each virtual single-deck of use internal loopback communication mode connection.It adopts
With this scheme can on the basis of the OLT system under various hardware configuration schemes it is simple and quick building it is similar with original OLT system
Operation code, it can multiplexing single-deck code and module improves development efficiency.Simultaneously after completing exploitation, production, maintenance
It is also similar to original OLT device to carry out, greatly provides convenient, efficiency equipment design, production maintenance for device manufacturer
Scheme.
The present invention can be not only used for the OLT device of the comprehensive board in 1U OLT i.e. 1, be also applied for card insert type OLT, other
The OLT device of classification.For example, for card insert type OLT, then it can be by realizing loopback communication, master-slave communication report on OLT backboard
Text completes loopback inside OLT, is not sent on external network.And main control unit broadcasted at regular intervals after getting up ADP packet to
The line card of each slot position, line card make a response after receiving ADP, and the IP for the ADP packet that master control is responded according to line card is connected with port
Line card is completed master-slave communication and is established.And then realize technical solution of the present invention.
As shown in figure 5, the embodiment of the present invention also provides a kind of OLT device,
It includes virtual master control disk, virtual service disk and virtual LAN, virtual local area described in the virtual LAN
The data path of net and board chip forms loopback channel between virtual master control disk, dummy line chuck；
The virtual master control disk finds protocol discovery dummy line chuck by preset hardware using loopback channel automatically；
The virtual master control disk is completed in virtual LAN by preset connection Handshake Protocol and virtual service disk logical
Letter；
Virtual master control disk is interacted with dummy line chuck with loopback channel, and processing sends message, the virtual master control disk and void
Quasi- service board is in the form of single-deck for user configuration.
The equipment that various change mode and specific example in preceding method embodiment are equally applicable to the present embodiment, passes through
The detailed description of preceding method, those skilled in the art are clear that the implementation method of system in the present embodiment, so
In order to illustrate the succinct of book, this will not be detailed here.
On the whole, OLT device management method and system provided in an embodiment of the present invention are linked together by setting
Virtual master control disk, virtual service disk simulate the single-deck of existing card insert type OLT device, compared to traditional technology, can quickly exist
It is equipped in the OLT device of different hardware and carries out actual motion.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of OLT device management method, characterized in that it comprises:
Creating virtual master control disk, virtual service disk and virtual LAN, the virtual service disk includes dummy line chuck and void
The data path of quasi- upper united dish, the virtual LAN and board chip organizes cyclization between virtual master control disk, dummy line chuck
Go back to channel；
The virtual master control disk finds protocol discovery dummy line chuck by preset hardware using loopback channel automatically；
The virtual master control disk is communicated by preset connection Handshake Protocol with the completion of virtual service disk in virtual LAN；
Virtual master control disk is interacted with dummy line chuck with loopback channel, and processing sends message, the virtual master control disk and virtual industry
Business disk is in the form of single-deck for user configuration.
2. the method as described in claim 1, which is characterized in that virtual master control disk is interacted with dummy line chuck with loopback channel,
Processing sends message, and the virtual master control disk is with virtual service disk for user configuration in the form of single-deck:
The virtual master control disk and virtual upper united dish are the host process run on CPU, and the dummy line chuck is operation
In the line card process on CPU；
The communication of the virtual master control disk and dummy line chuck is that host process and line card process are carried out by the loopback channel
Data transmission.
3. the method as described in claim 1, which is characterized in that it further includes by the soft of CPU protocol stack in house software formation
Failure is checked by process monitoring of the software loopback access needle to virtual master control disk and dummy line chuck in part loopback channel
Method.
4. the method as described in claim 1, which is characterized in that the hardware find automatically agreement include: line card disc-type, it is soft
Part version, hardware version, MAC Address, IP address, port number information.
5. the method as described in claim 1, it is characterised in that: the hardware finds that the message that agreement uses is the void automatically
The net loaded type of message of quasi- local.
6. the method as described in claim 1, it is characterised in that: the company of virtual master control disk and virtual service disk described in heartbeat detection
It connects, gives notice if connecting disconnection.
7. a kind of OLT device, which is characterized in that it includes virtual master control disk, virtual service disk and virtual LAN, the void
The data path of virtual LAN described in quasi- local area network and board chip forms loopback between virtual master control disk, dummy line chuck
Channel；
The virtual master control disk finds protocol discovery dummy line chuck by preset hardware using loopback channel automatically；
The virtual master control disk is communicated by preset connection Handshake Protocol with the completion of virtual service disk in virtual LAN；
Virtual master control disk is interacted with dummy line chuck with loopback channel, and processing sends message, the virtual master control disk and virtual industry
Business disk is in the form of single-deck for user configuration.
8. equipment as claimed in claim 7, it is characterised in that:
The virtual master control disk is that the mode that internal loopback communicates carries out with the interaction of dummy line chuck:
The virtual master control disk and virtual upper united dish are the host process run on CPU, and the dummy line chuck is operation
In the line card process on CPU；
The communication of the virtual master control disk and dummy line chuck is that host process and line card process are carried out by the loopback channel
Data transmission.
9. equipment as claimed in claim 7, it is characterised in that: the hardware find automatically agreement include: line card disc-type, it is soft
Part version, hardware version, MAC Address, IP address, port number information.
10. equipment as claimed in claim 7, it is characterised in that: the hardware finds that the message that agreement uses is described automatically
The net loaded type of message of virtual local area.
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