CN105515707B - A kind of synchronous method and system of optical network unit in passive optical network information - Google Patents
A kind of synchronous method and system of optical network unit in passive optical network information Download PDFInfo
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Abstract
The application provides a kind of synchronous method and system of optical network unit in passive optical network information, wherein, the method includes：When the state change of optical network unit, optical line terminal updates the information of the optical network unit in optical network unit information bank；The optical line terminal sends state change prompting to network management server；The network management server is changed according to the state and is prompted, and the information of the optical network unit stored in local data base is synchronized.The synchronous method and system of a kind of optical network unit in passive optical network information provided by the embodiments of the present application in the case where unobvious increase network load, can keep the synchronization of optical network unit information in real time in network management server.
Description
Technical field
This application involves passive optical network field of communication technology, more particularly to a kind of optical network unit in passive optical network letter
The synchronous method and system of breath.
Background technology
With the fast development of network communication technology, the number of users in network is being in explosive growth.It is how right
The network service that user in network provides high quality is one of hot issue studied at present.
Several interchangers, router and user terminal are frequently included in the existing network architecture, with user terminal
Increase, interchanger, the quantity of router also increases.Since interchanger and router belong to active device, price is past
Toward more expensive, and maintenance difficulty also tend to it is larger.Once problem occurs for the active device in network, then will serious shadow
It rings user experience and increases the expense of whole network.
At present, the optical communication technique based on passive optical network (PON) gradually develops, using optical passive component (such as
Optical branching device, photo-coupler etc.) substitution existing network in active electronic devices, and coordinate optical line terminal (OLT) and
Optical network unit (ONU) can not only provide the user with quick network service, moreover it is possible to lower whole network operation and maintenance
Cost.
In passive optical network, often there are multiple network management servers, these network management servers can be to light
The information of the optical network unit stored on line terminal is monitored, so as to be managed collectively to it.In order to realize this
Purpose, the network management server are needed the optical network unit synchronizing information on optical line terminal to local.The prior art
Described in network management server carry out optical network unit information synchronization often use following methods：
Network management server periodically or from operating personnel manually initiates synchronizing information instruction to optical line terminal,
It is instructed in response to the synchronizing information, the optical line terminal can be equal by all information stored in its optical network unit information bank
It is synchronized in the network management server, can realize the synchronizing process to optical network unit information in this way.
During the application is implemented, inventor has found the prior art, and at least there are the following problems：
In the prior art, the information of network management server and the optical network unit in optical line terminal can not keep real
When synchronize, only initiate synchronizing information instruction after can just synchronize.In addition, network management server when every subsynchronous
It is required to information all in the optical line terminal being synchronized to local, this will bring very big information interaction amount, hence it is evident that
Increase the load of whole network.
It should be noted that the introduction of technical background is intended merely to above it is convenient the technical solution of the application is carried out it is clear,
Complete explanation, and facilitate the understanding of those skilled in the art and illustrate.Cannot merely because these schemes the application's
Background technology part is expounded and thinks that above-mentioned technical proposal is known to those skilled in the art.
Invention content
A kind of synchronous method for being designed to provide optical network unit in passive optical network information of the embodiment of the present application and
System in the case of increasing network load in unobvious, keeps optical network unit to believe in real time in network management server
The synchronization of breath.
The synchronous method and system of a kind of optical network unit in passive optical network information provided by the embodiments of the present application are these
What sample was realized：
A kind of synchronous method of optical network unit in passive optical network information, including：
When the state change of optical network unit, optical line terminal updates the optical-fiber network in optical network unit information bank
The information of unit；
The optical line terminal sends state change prompting to network management server；
The network management server is changed according to the state and is prompted, to the optical-fiber network stored in local data base
The information of unit synchronizes.
A kind of synchronization system of optical network unit in passive optical network information, the system comprises optical line terminal, light nets
Network unit and network management server, the optical line terminal include information updating module and prompting sending module, the net
Network management server includes synchronizing information module, wherein：
Described information update module, for when the state of the optical network unit is changed, in optical network unit information bank
The information of the middle update optical network unit；
The prompting sending module, for sending state change prompting to the network management server；
Described information synchronization module is prompted for being changed according to the state, to the light stored in local data base
The information of network element synchronizes.
The synchronous method and system of a kind of optical network unit in passive optical network information provided by the embodiments of the present application, in light
When the state of network element is changed, then the information of the optical network unit can be synchronized.In this way, it is taken in network management
Be engaged in device can not only real-time synchronization optical network unit information variation, and when every subsynchronous only in generating state more
The optical network unit that changes rather than the information of all optical network units is synchronized, can largely avoided in network in this way
Information interaction amount, will not significantly increase the load of network.
With reference to following explanation and attached drawing, the particular implementation of the application is disclosed in detail, specifies the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms of profit requirement, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
Used in a other embodiment, with the feature in other embodiment it is combined or substitute other embodiment in feature.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when being used herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Description of the drawings
Included attached drawing is used for providing being further understood from the embodiment of the present application, and which constitute one of specification
Point, for illustrating presently filed embodiment, and with word description come together to illustrate the principle of the application.Under it should be evident that
Attached drawing in the description of face is only some embodiments of the present application, for those of ordinary skill in the art, is not paying wound
Under the premise of the property made is laborious, other attached drawings are can also be obtained according to these attached drawings.In the accompanying drawings：
Fig. 1 is a kind of synchronous method flow of optical network unit in passive optical network information provided by the embodiments of the present application
Figure；
Fig. 2 is a kind of synchronization system function mould of optical network unit in passive optical network information provided by the embodiments of the present application
Block diagram.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical solution in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
All other embodiment that technical staff is obtained without making creative work should all belong to the application protection
Range.
Fig. 1 is a kind of synchronous method flow of optical network unit in passive optical network information provided by the embodiments of the present application
Figure.Although flow, which is described below, includes multiple operations for occurring with particular order, but it should be clearly understood that these processes can be with
Including more or fewer operations, these operations can be performed sequentially or perform (such as use parallel processor or multi-thread parallel
Journey environment).
As shown in Figure 1, the method includes：
S1：When the state change of optical network unit, optical line terminal updates the light in optical network unit information bank
The information of network element.
In the embodiment of the present application, passive optical network can be by optical line terminal (OLT), optical distribution (ODN) and light
Network element (ONU), the optical line terminal are sent optical signals to after the optical distribution, can be by the optical distribution
The optical signal is divided for different optical network units, can ensure that each optical network unit can receive in this way
The optical signal issued to the optical line terminal.In the optical line terminal, the letter of each optical network unit can be stored with
Breath.Specifically, the information of the optical network unit can for example include the mark of optical network unit, optical network unit and optical link
The information such as whether the distance between terminal and optical network unit are online.The information of the optical network unit can pass through list
Form is stored in the optical network unit information bank of the optical line terminal, and the optical line terminal can be to the optical-fiber network list
List in metamessage library is updated and safeguards, to monitor the operating status of each optical network unit.
In the passive optical network, network management server can also be included.The network management server can manage
Manage the network node in preset range in passive optical network.The usual network management server can be by the optical line terminal
In local data base residing for the synchronizing information to itself of each optical network unit of memory storage, so as to passive optical network
In each optical network unit be managed collectively and regulated and controled.
In the embodiment of the present application, the network management server can be by the letter of current online each optical network unit
Breath is synchronized to the local data base, to regulate and control to current online optical network unit, without the light to present offline
Network element is managed.Specifically, it can be assisted between the network management server and the optical line terminal by SNMP
View (Simple Network Management Protocol) carries out data transmission.The snmp protocol is the network management mark based on TCP/IP protocol suite
Standard is a kind of standard agreement for managing network node in an ip network.The snmp protocol can carry network management server
High network management efficiency finds and solves network problem and the growth of planning network in time.Network management server can be with
The notification message of network node and alarm event report etc. are received by snmp protocol, so as to know network appearance
Problem.In the embodiment of the present application, the network management server can pass through SNMP GET, the SNMP in snmp protocol
GETNEXT SNMP GETBULK etc., which are instructed, synchronizes required data to the optical line terminal.Certainly, implement in the application
In example, the optical line terminal can also be when the network management server initiate data synchronization request, actively to institute
It states network management server and carries out data transmission.Specifically, the optical line terminal can pass through SNMP TRAP or SNMP
The instructions such as INFORM actively transmit data to the network management server.
In the embodiment of the present application, in order to avoid there is a large amount of interaction data in each synchronizing process, shape can be directed to
The optical network unit that state is changed is into the synchronization of row information.Specifically, when the state of optical network unit is changed, optical link is whole
End can update the information of the optical network unit in optical network unit information bank.The state of the optical network unit can be with
It is presence or off-line state.For example, the optical line terminal has the operating status for monitoring 100 optical network units altogether,
Online optical network unit amounts to 86, and remaining 14 optical network units are in off-line state.At a time, it is in originally
State in 14 optical network units of off-line state there are one optical network unit is changed to presence, then the light at this time
Line terminal can update the information of the optical network unit in optical network unit information bank.Specifically, work as optical network unit
State it is online or when being offline by online change by being changed to offline, the optical network unit can be to correspondingly optical link
Terminal sends reach the standard grade prompting or offline prompting.For example, when the state of optical network unit by being changed to online offline, the light
Network element can send Link Up message to the optical line terminal.The light net can be included in the Link Up message
The mark of network unit.The optical line terminal can extract optical-fiber network mark therein after receiving the Link Up message, with
Just know that the state of which optical network unit is changed.It is described after the optical network unit changed in the state of determining
Optical line terminal can update the information of the optical network unit in optical network unit information bank.
S2：The optical line terminal sends state change prompting to network management server.
In the embodiment of the present application, when the optical line terminal has known the optical network unit that state changes and will
After the information of the optical network unit is updated in optical network unit information bank, shape can be sent to the network management server
State change prompting.The purpose of the state change prompting is the light net for notifying that the network management server state is changed
Network unit, so that the network management server is managed collectively the optical network unit.Specifically, the optical line terminal
SNMP TRAP messages can be sent to the network management server, state is included at least in the SNMP TRAP messages
The mark of the current state of the optical network unit of change and the optical network unit.In this way, the network management server
What state after being changed and changed with the state of which optical network unit in aware networks is specifically.
S3：The network management server is changed according to the state and is prompted, to the light stored in local data base
The information of network element synchronizes.
It in the embodiment of the present application, can after the network management server receives the state change prompting
It is changed and prompted according to the state, the information of the optical network unit stored in local data base is synchronized.Specifically,
The network management server can update the mark of optical network unit that extraction state is changed in prompting from the state
And the state that the optical network unit is current.The mark of the optical network unit for example can be to be pre-assigned to optical-fiber network list
Member obtains a string of character strings or digital coding for uniquely differentiating optical network unit.For example, the mark of the optical network unit
Can be the MAC Address or IP address of the optical network unit.The network management server extracts the optical-fiber network list
After the mark of member, accurately the optical network unit can be positioned.Meanwhile the network management server can be with
The current state of the optical network unit is known, to carry out subsequent processing according to the state.Specifically, the network pipe
Managing server can be according to the current state of the optical network unit, to the mark with the optical network unit in local data base
The information of corresponding optical network unit synchronizes.In the embodiment of the present application, the current state of the optical network unit can be with
It is divided into off-line state and presence.For both different states, the simultaneously operating that the network management server is taken
It also can be different.Specifically, when the current state of the optical network unit is online, the network management server can be to institute
It states optical line terminal and sends SNMP GET messages, to obtain the mark in the optical network unit information bank with the optical network unit
Know the information of corresponding optical network unit.It is the net after the information of the optical network unit of line getting the current state
The information of the optical network unit of acquisition can be updated in local data base by network management server.In this way, the network
Management server can complete the synchronizing process to the optical network unit information.
In addition, when the current state of the optical network unit is offline, the network management server then need not be to this
Optical network unit is monitored, at this point, the network management server can by local data base with the optical network unit
The corresponding optical network unit of mark information deletion.In this way, the network management server can be completed to the light net
The synchronizing process of network unit information.
Therefore a kind of synchronous method of optical network unit in passive optical network information provided by the embodiments of the present application,
When the state of optical network unit is changed, then the information of the optical network unit can be synchronized.In this way, in network pipe
Manage in server can not only real-time synchronization optical network unit information variation, and only in shape occurs when every subsynchronous
The optical network unit rather than synchronize the information of all optical network units that state is changed, can largely avoided net in this way
Information interaction amount in network will not significantly increase the load of network.
The embodiment of the present application also provides a kind of synchronization system of optical network unit in passive optical network information.Fig. 2 is this Shen
Please embodiment provide a kind of optical network unit in passive optical network information synchronization system functional block diagram.As shown in Fig. 2, institute
It states system and includes optical line terminal 100, optical network unit 200 and network management server 300, the optical line terminal 100
Including information updating module 101 and prompting sending module 102, the network management server 300 includes synchronizing information module
301, wherein：
Described information update module 101, for when the state of the optical network unit is changed, in optical network unit information
The information of the optical network unit is updated in library；
The prompting sending module 102, for sending state change prompting to the network management server；
Described information synchronization module 301 is prompted for being changed according to the state, described in being stored in local data base
The information of optical network unit synchronizes.
In one preferred embodiment of the application, the optical network unit 200 further includes state change prompting sending module, uses
When it is offline that the state when the optical network unit is by being changed to offline online or by online change, to correspondingly the light
Line terminal sends reach the standard grade prompting or offline prompting；
Correspondingly,
Described information update module 101 can be also used for reach the standard grade according to prompting or offline prompting, in optical-fiber network list
The information of the optical network unit is updated in metamessage library.
In another preferred embodiment of the application, described information synchronization module 301 specifically includes：
Extraction module, for extracting the mark of the optical network unit and the light net from state update prompting
The current state of network unit；
Synchronization module, for according to the current state of the optical network unit, in local data base with the optical-fiber network
The information of the corresponding optical network unit of mark of unit synchronizes.
In another preferred embodiment of the application, the synchronization module specifically includes：
Data obtaining module, for when the current state of the optical network unit for it is online when, to the optical line terminal
SNMP GET messages are sent, to obtain light net corresponding with the mark of the optical network unit in the optical network unit information bank
The information of network unit；
Update module, for the information of the optical network unit obtained to be updated in local data base.
In another preferred embodiment of the application, the synchronization module can also include：
Removing module, for when the current state of the optical network unit for it is offline when, by local data base with it is described
The information deletion of the corresponding optical network unit of mark of optical network unit.
The workflow of each function module of above-described embodiment is identical with step S1 to S3, just repeats no more here.
Therefore a kind of synchronization system of optical network unit in passive optical network information provided by the embodiments of the present application,
When the state of optical network unit is changed, then the information of the optical network unit can be synchronized.In this way, in network pipe
Manage in server can not only real-time synchronization optical network unit information variation, and only in shape occurs when every subsynchronous
The optical network unit rather than synchronize the information of all optical network units that state is changed, can largely avoided net in this way
Information interaction amount in network will not significantly increase the load of network.
Those skilled in the art are supplied to the purpose described to the description of the various embodiments of the application above.It is not
It is intended to exhaustive or is not intended to and limits the invention to single disclosed embodiment.As described above, the application's is various
It substitutes and variation will be apparent for above-mentioned technology one of ordinary skill in the art.Therefore, although specifically begging for
Some alternative embodiments are discussed, but other embodiment will be apparent or those skilled in the art are opposite
Easily obtain.The application is intended to be included in this all replacements of the present invention crossed by discussion, modification and variation and falls
Other embodiment in the spirit and scope of above-mentioned application.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Point just to refer each other, and the highlights of each of the examples are difference from other examples.Especially for system reality
For applying example, since it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
The application can be used in numerous general or special purpose computing system environments or configuration.Such as：Personal computer, clothes
Business device computer, handheld device or portable device, multicomputer system, the system based on microprocessor, are put laptop device
Top box, programmable consumer-elcetronics devices, network PC, minicomputer, mainframe computer, including any of the above system or equipment
Distributed computing environment etc..
The application can be described in the general context of computer executable instructions, such as program
Module.Usually, program module includes routines performing specific tasks or implementing specific abstract data types, program, object, group
Part, data structure etc..The application can also be put into practice in a distributed computing environment, in these distributed computing environment, by
Task is performed and connected remote processing devices by communication network.In a distributed computing environment, program module can be with
In the local and remote computer storage media including storage device.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application there are many deformation and
Variation is without departing from spirit herein, it is desirable to which appended claim includes these deformations and changes without departing from the application's
Spirit.
Claims (2)
1. a kind of synchronous method of optical network unit in passive optical network information, which is characterized in that including：
When the state change of optical network unit, optical line terminal updates the optical network unit in optical network unit information bank
Information, the information of the optical network unit includes the mark of optical network unit, between optical network unit and optical line terminal
Distance and optical network unit whether online information；
The optical line terminal sends SNMP TRAP messages to network management server, is at least wrapped in the SNMP TRAP messages
Include the current state of the optical network unit and the mark of the optical network unit；
The network management server extracts the mark of the optical network unit and the light from state change prompting
The current state of network element；
When the current state of the optical network unit is online, the network management server is sent to the optical line terminal
SNMP GET messages, to obtain optical-fiber network list corresponding with the mark of the optical network unit in the optical network unit information bank
The information of member；The information of the optical network unit of acquisition is updated in local data base by the network management server；
When the current state of the optical network unit for it is offline when, the network management server by local data base with it is described
The information deletion of the corresponding optical network unit of mark of optical network unit；
Wherein, during the state change when optical network unit, described in optical line terminal updates in optical network unit information bank
The information of optical network unit specifically includes：
When the state of optical network unit is offline by being changed to offline online or by online change, the optical network unit phase
Ground is answered to send reach the standard grade prompting or offline prompting to optical line terminal；
According to it is described reach the standard grade prompting or offline prompting, the optical line terminal light is updated in optical network unit information bank
The information of network element.
2. a kind of synchronization system of optical network unit in passive optical network information, the system comprises optical line terminal, optical-fiber networks
Unit and network management server, which is characterized in that the optical line terminal includes information updating module and prompting sends mould
Block, the network management server include synchronizing information module, wherein：
Described information update module, for when the state of the optical network unit is changed, in optical network unit information bank more
The information of the new optical network unit；
The prompting sending module, for sending SNMP TRAP messages, the SNMP TRAP messages to network management server
In include at least the current state of the optical network unit and the mark of the optical network unit；
Described information synchronization module, for extracting the mark of the optical network unit and described from state change prompting
The current state of optical network unit；When the current state of the optical network unit for it is online when, the network management server to
The optical line terminal sends SNMP GET messages, with obtain in the optical network unit information bank with the optical network unit
Identify the information of corresponding optical network unit；The network management server updates the information of the optical network unit of acquisition
Into local data base；When the current state of the optical network unit is offline, the network management server is by local number
According to the information deletion with the corresponding optical network unit of mark of the optical network unit in library；
Wherein, the optical network unit includes state change prompting sending module, for work as the state of the optical network unit by
It is offline be changed to when by online change being either online offline to correspondingly optical line terminal transmission reach the standard grade prompting or under
Line is prompted；
Correspondingly,
Described information update module, for according to described in reach the standard grade prompting or offline prompting, in optical network unit information bank more
The information of the new optical network unit.
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| CN101815008A (en) * | 2010-03-25 | 2010-08-25 | 浙江工业大学 | OLT (Optical Line Terminal) agent subsystem of GPON (Gigabit-Capable Passive Optical Network) management system |
| CN102447582A (en) * | 2011-12-31 | 2012-05-09 | 中兴通讯股份有限公司 | Resource synchronization method and device |
| CN104125104A (en) * | 2014-08-13 | 2014-10-29 | 烽火通信科技股份有限公司 | Configuration method of business data in optical network unit |
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