CN109561127A - Method, equipment and the computer-readable medium synchronous for the data in software defined network - Google Patents
Method, equipment and the computer-readable medium synchronous for the data in software defined network Download PDFInfo
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- CN109561127A CN109561127A CN201710889799.8A CN201710889799A CN109561127A CN 109561127 A CN109561127 A CN 109561127A CN 201710889799 A CN201710889799 A CN 201710889799A CN 109561127 A CN109561127 A CN 109561127A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
Abstract
Embodiment of the disclosure is related to method, equipment and the computer-readable medium synchronous for the data in software defined network (SDN).Method described herein include at the master control equipment in SDN network obtain will to the associated data synchronous from control equipment of master control equipment.This method further includes the control process in data and master control equipment being decoupled and being stored data in master control equipment and from the control addressable database of equipment.This method further include using Data distributing (DDS) from master control equipment to from control equipment synchrodata.
Description
Technical field
Embodiment of the disclosure relates generally to the communication technology, more particularly, to for software defined network
Method, equipment and the computer-readable medium that data in (Software-Defined Network, SDN) synchronize.
Background technique
Network function has virtualized (Network Function Virtualization, NFV) technology and SDN technology
It is applied in telecommunication network.Telecommunication network based on SDN technology is also referred to as SDN network.SDN network may include to collect
Multiple control equipment that group's form is realized.Multiple control equipment may include a master control equipment and with master control equipment phase
It is associated at least one from control equipment.Master control equipment is configured as being communicated with one or more interchangers, to realize
Interchanger is managed and controlled.When master control equipment becomes inaccessible, one associated with master control equipment from control
Control equipment replaces the master control equipment, to take over managing and controlling to the interchanger communicated with the master control equipment.For reality
Now quick and seamless control equipment switching, becomes from master control equipment to the real-time synchronization for carrying out data from control equipment and closes
Key.
Summary of the invention
Embodiment of the disclosure provides method, equipment and the computer-readable Jie synchronous for the data in SDN network
Matter.
In a first aspect, embodiment of the disclosure provides the number implemented at a kind of master control equipment in SDN network
According to synchronous method.This method includes that obtain at master control equipment in SDN network will be to associated with master control equipment
The data synchronous from control equipment.This method further includes decoupling data with the control process in master control equipment and depositing data
Storage is in master control equipment and from the control addressable database of equipment.This method further includes using Data distributing (DDS)
From master control equipment to from control equipment synchrodata.
In certain embodiments, using DDS to from control equipment synchrodata include by Database Publishing data more
It newly arrives and sends data.
In certain embodiments, this method further comprises sending data update notification to database.
In certain embodiments, data include and at least one following related data: configuration, the master control of master control equipment
The state of control equipment and the operation of master control equipment.
In certain embodiments, master control equipment carries out data exchange using YANG data model and database.
In second aspect, embodiment of the disclosure provides a kind of number implemented at control equipment in SDN network
According to synchronous method.This method include in SDN network at control equipment using DDS from from control equipment and master control equipment
Addressable database is obtained from master control equipment to the data from control equipment synchronization.Data with from control equipment in control
Process decoupling.It is associated with master control equipment from control equipment.
In certain embodiments, obtaining data from database using DDS includes: to subscribe to data to database；And response
In receiving data update notification from database, database is accessed to obtain data.
In certain embodiments, data include and at least one following related data: configuration, the master control of master control equipment
The state of control equipment and the operation of master control equipment.
In certain embodiments, data exchange is carried out from control equipment using YANG data model and database.
In the third aspect, embodiment of the disclosure provides the master control equipment in a kind of SDN.The master control equipment includes
Processor and memory.The memory is stored with instruction.The instruction executes the master control equipment when being executed by processor
According to method described in the first aspect of the disclosure.
In fourth aspect, embodiment of the disclosure provide in a kind of SDN from control equipment.Should include from control equipment
Processor and memory.The memory is stored with instruction.The instruction executes this from control equipment
According to method described in the second aspect of the disclosure.
At the 5th aspect, embodiment of the disclosure provides a kind of computer readable storage medium comprising machine can be held
Row instruction, the machine-executable instruction make the equipment execute the side according to the first aspect of the disclosure when being executed as equipment
Method.
At the 6th aspect, embodiment of the disclosure provides a kind of computer readable storage medium comprising machine can be held
Row instruction, the machine-executable instruction make the equipment execute the side according to the second aspect of the disclosure when being executed as equipment
Method.
It should be appreciated that content described in Summary is not intended to limit the key or again of the embodiment of the present disclosure
Feature is wanted, it is also non-for limiting the scope of the present disclosure.The other feature of the disclosure will be easy to understand by description below.
Detailed description of the invention
It refers to the following detailed description in conjunction with the accompanying drawings, the above and other feature, advantage and aspect of each embodiment of the disclosure
It will be apparent.In the accompanying drawings, the same or similar appended drawing reference indicates the same or similar element, in which:
Fig. 1 shows the traditional data synchronous architecture in SDN network；
Fig. 2 shows according to the exemplary data sync framework in the SDN network of some embodiments of the disclosure；
Fig. 3 shows the flow chart for the method for some embodiments according to the disclosure implemented at master control equipment；
Fig. 4 shows the process in the method implemented at control equipment of certain other embodiments according to the disclosure
Figure；And
Fig. 5 shows the block diagram for being suitable for realizing the equipment of embodiment of the disclosure.
Specific embodiment
Embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the certain of the disclosure in attached drawing
Embodiment, it should be understood that, the disclosure can be realized by various forms, and should not be construed as being limited to this
In the embodiment that illustrates, providing these embodiments on the contrary is in order to more thorough and be fully understood by the disclosure.It should be understood that
It is that being given for example only property of the accompanying drawings and embodiments effect of the disclosure is not intended to limit the protection scope of the disclosure.
Term " master control equipment " as used herein refer to control equipment cluster in, for one or more exchange
Any appropriate equipment that machine is managed and controls.In the cluster that term " from control equipment " as used herein refers to control equipment
, for when master control equipment becomes inaccessible replace master control equipment any appropriate equipment.Master control equipment and/or
Example from control equipment includes but is not limited to following one or more: host, blade server, personal computer (PC), road
By device, interchanger, laptop computer, tablet computer, etc..
Term " includes " as used herein and its deformation are that opening includes, i.e., " including but not limited to ".Term "based"
It is " being based at least partially on ".Term " one embodiment " expression " at least one embodiment "；Term " another embodiment " indicates
" at least one other embodiment ".The related definition of other terms provides in will be described below.
Fig. 1 shows the traditional data synchronous architecture in SDN network 100.SDN network 100 include master control equipment 110 with
And it is associated with master control equipment 110 from control equipment 120 and from control equipment 130.
Master control equipment 110 is configured as being communicated with interchanger 140, to realize management and control to interchanger 140
System.Master control equipment 110 and from control equipment 120 and 130 between can pass through point-to-point via the communication link pre-established
Message communicates.Master control equipment 110 and from control equipment 120 and 130 in include application control process.
When master control equipment 110 becomes inaccessible, from control equipment 120 and from control equipment 130 in one from
It controls equipment and replaces master control equipment 110, to restore managing and controlling to interchanger 140.It is quick and seamless in order to realize
Equipment switching is controlled, master control equipment 110 is needed to real-time synchronization (160 Hes for carrying out data 150 from control equipment 120 and 130
170)。
Data synchronous architecture in SDN network 100 is application-centered.It master control equipment 110 and is set from control
It include the control process (or " logic ") and data 150 of application in standby 120 and 130.The control process of application for example can be with
Including but not limited to bottom-layer network exchange control process etc..The control process and data 150 for controlling the application in equipment are close
Coupling.The close-coupled of this process and data keeps the complexity of software realization higher.Moreover, the scalability and spirit of system
Active lower, data relative closure.
In addition, in order to realize from master control equipment 110 to synchronous, the master control equipment from the control data of equipment 120 and 130
120 need and all establish communication link from control equipment 120 and 130, to realize point to point link.In order to realize the biography of data
It is defeated, it is also necessary in the message format of communicating pair building standard, and the Internet protocol (Internet of other side to be obtained ahead of time
Protocol, IP) address, port numbers etc..This needs a large amount of communication overhead, thus is difficult to carry out Function Extension.
In addition, data are replicated in master control equipment and from control equipment, which increase potential data inconsistency,
Reduce the scalability of system.
One kind is proposed in order at least be partially solved the above problem and other potential problems, embodiment of the disclosure
New data synchronous architecture in SDN network.Different from application-centered conventional architectures, the framework is data-centered.
Data to be synchronized are stripped out from master control equipment and from the application from control equipment, it will be in data and control equipment
Control process decouples and stores data in master control equipment and from the control addressable database of equipment, uses data distribution
Service (DDS) from master control equipment to from control equipment synchrodata.
Data in application after being stripped, using being simplified, to be conducive to develop relatively easy efficient controlled
Journey (or algorithm).In addition, such framework is not necessarily to establish dedicated communication link in master control equipment and between control equipment, greatly
Network structure is simplified greatly, and significantly reduces the communication overhead in network.
The basic principle and several example implementations for illustrating embodiment of the disclosure below with reference to Fig. 2, are shown root
According to the example SDN network 200 of some embodiments of the disclosure.As shown, SDN network 200 include master control equipment 210, with
Master control equipment 210 it is associated from control equipment 220 and 230 and master control equipment 210 and from control equipment 220 and 230
Addressable database 250.Master control equipment 210 is configured as being communicated with interchanger 240, to realize to interchanger 240
Manage and control.When master control equipment 210 becomes inaccessible, set from one in control equipment 220 and 230 from control
Standby replacement master control equipment 210, to restore managing and controlling to interchanger 240.
It should be understood that interchanger shown in Fig. 2, master control equipment, from control equipment and the number of database be only
Have no intention to limit in illustration purpose.SDN network 200 may include any an appropriate number of interchanger, master control equipment, from
Control equipment and database.For example, master control equipment 210 and from control equipment 220 and 230 can be respectively to one or more
A interchanger is managed and controls.For another example, in certain embodiments, database 250 can be implemented as distributed data base, should
The component of distributed data base can be disposed in master control equipment 210 and from control equipment 220 and 230.
It, will be from master control equipment 210 to from synchronous 260 quilt of data of control equipment 220 and 230 in SDN network 200
It is stored in database 250.In this way, database 250 can be stored independently and the application in control equipment 210,220 and 230
Process or the data 260 that mutually separate of logic, to provide data sharing service for control equipment 210,220 and 230.Note
Meaning, term " logic " as used herein are indicated specific function, can be realized by means of hardware, software and/or firmware.
In this way, it is possible to which the application for making to control at equipment 210,220 and 230 becomes stateless.With the process of application
And the traditional approach that relevant data are stored at control equipment is compared, Dynamic data exchange can simplify software complexity, enhancing
The robustness of system, and be easy to support the hot plug of control equipment and its application installation and collection in the deployment that cloud optimizes
At.It is open to third party that Dynamic data exchange additionally aids data, and promotes third-party network big data analysis.Particularly, exist
When carrying out fault recovery to control equipment, the mode that such pair of data carry out separate storage is not necessarily to carry out additional copy to data,
The recovery of data is realized so as to efficient way.
Database 250 can be implemented as any proper data library for being currently known and developing in the future.As an example, data
Library 250 can be implemented as distributing real-time data bank.Database 250, which can also use, to be currently known and develops in the future any
Proper data library administrative skill and means are managed the data stored.For example, database 250 can be used index,
The technologies such as data query, Distributed Storage and access carry out data storage management.Database 250 can also use such as
The data base management systems such as authorization, consistency, issued transaction, safety (Database Management System, DBMS) function
Can, so as to the control process at simplified control equipment.The use of database 250 can make the data management letter of network side as a result,
Change.
In addition, the shared data storage and shared data between control equipment 210,220 and 230 reduce data not
Consensus.
Master control equipment 210 can update new data into database 250 when data are synchronous, for from control
Control equipment 220 is used when replacing master control equipment 210.It is executed such as with master control equipment 210 and between control equipment 220
The conventional data transmission mode of point-to-point message transmission is compared, and such mode can pass data between heterogeneous system and application
It passs, reduces the demand for the coupled relation between data sender and recipient, to simplify data transmission and reduce
Signaling.Moreover, when adding new function or application into network it is not necessary that system is reconstructed, to keep system cleverer
Living and scalability is high.This is more suitable for complicated end-to-end distributed SDN network.
For convenience and those of ordinary skill in the art is made to more fully understand the principle and think of of the embodiment of the present disclosure
Think, below will by master control equipment 210 and from control equipment 220 for describe it is according to certain embodiments of the present invention control set
Standby handling and operation.It should be appreciated that this only example rather than limit.As described below processing and behaviour from control equipment 220
Be equally applicable in SDN network 200 other from control equipment, such as from control equipment 230.
As shown, the acquisition of master control equipment 210 will be to the data 260 synchronous from control equipment 220.As an example,
It will can include but is not limited to from the synchronous data 260 of control equipment 220: related with the configuration of master control equipment 210
Data (also referred to as " configuration data of master control equipment 210 "), data related with the state of master control equipment 210 are (also referred to as
" status data of master control equipment 210 ") and data (also referred to as " main control related with the operation of master control equipment 210
The operation data of equipment 210 ").
In the example that data 260 include the configuration data of master control equipment 210, master control equipment 210 can be via master
Control equipment 210 configuration parameter or configuration file and obtain the configuration data.It include master control equipment 210 in data 260
In the example of status data and operation data, master control equipment 210 can obtain these numbers in real time from state and operating parameter
According to.
Data 260 are decoupled with the control process in master control equipment 210 and store data 260 by master control equipment 210
(270) in master control equipment 210 and from the control addressable database 250 of equipment 220, and Data distributing is used
(DDS) from master control equipment 210 to from control 220 synchrodata of equipment.By means of DDS, data 260 can be updated via data
And access is transmitted in master control equipment 210, database 250 and between control equipment 220.
DDS provides a large amount of built-in service quality (QoS) strategies, sets to meet control in a manner of simple and is effective
Various communication requirements between standby.These qos policies can simplify the application and development at control equipment.These qos policies are for example
Can include but is not limited to following one or more: the strategy of " transmission priority " according to priority distributed for data is used
In " subject data " and " user data " strategy of data safety, " reliability " that sequentially reliably transmits for data is tactful,
Process for data divides and " divide and domain " of isolation strategy, the redundancy, main and backup scenario " all for communication
Tactful and " subject key words " strategy for data screening of person ".
In addition, Point-to-multipoint connection is supported in the decoupling of data sender and data receiver in DDS, this is particularly suitable for
Multi-control apparatus environment in SDN network.Point-to-multipoint connection can improve master control equipment to the communication effect from control equipment
Rate, so as in once-through operation by data from master control equipment be synchronized to it is multiple from control equipment.
In certain embodiments, master control equipment 210 can more be newly arrived by issuing data to database 250 by data
260 are sent to database 250.For example, master control equipment 210 can declare oneself to be data publication side to database 250 in advance.
After obtaining data to be synchronized, master control equipment 210 can issue data to database 250 and update, so as to by data
260 are sent to database 250.
Other than publication data update, in certain embodiments, master control equipment 210 can also be sent to database 250
Data update notification.As a result, database 250 notice can be sent to from control equipment 220, with to from control equipment 220
Notification data has been updated.
After data 260 are sent database 250 by master control equipment 210, data 260 can be stored in database
In 250.In this way, when relevant data can be obtained from database 250 for replacement master control equipment 210 from control equipment 220
It uses, without establishing special communication link with master control equipment 210.
Specifically, obtaining the data 260 that (280) wherein store from control equipment 220 from database 250.With main control
Equipment 210 is similar, also can use DDS from control equipment 220 to be communicated with database 250.For example, DDS is based on, from control
Control equipment 220 can subscribe to data 260 to database 250.After master control equipment 210 has updated data to database 250, number
According to library 250 data update notification can be sent to from control equipment 220.The notice can be database 250 in response to receiving
The data for carrying out main control device 210 are updated and are automatically generated, and are also possible to database 250 and are received from master control equipment 210
's.From control equipment 220 in response to receiving data update notification, accessible database 250 is to obtain data 260.
Data between control equipment 210 and 220 is realized with database 250 are transmitted, and can be used at present
Any proper data modeling technique known and developed in the future.As an example, can be set up using YANG data model in master control
Data exchange is carried out for 210, database 250 and between control equipment 220, to support the open ecosystem of the data of standard
System.
Furthermore, it is to be understood that due to control process and the relevant data decoupler of the application in master control equipment 210,
When needing to be implemented the update of data 260, accessible (290) database 250 of master control equipment 210 is to obtain data 260.
Embodiment of the disclosure constructs the network architecture using software technology, this can bring benefit and be changed for e-learning quality
Into.Embodiment of the disclosure stores data in database, thus by the network architecture from traditional application-centered transformation
It is data-centered.The control process of application is mutually separated with data is simplified system development and deployment.Moreover, such frame
Structure can use mature database technology, so as to realize efficient data management with lower cost.It can be by
Separate data publication side and subscriber in DDS, to improve the scalability and flexibility of SDN network.In addition, control is set
The standby data modeling that standard can be used between database, this facilitate the open and potential big datas of data point
Analysis.Therefore, this data-centered data synchronous architecture is simpler in structure, and reduces development cost, improves
The scalability and flexibility of system.
Fig. 3 shows the flow chart of the exemplary method 300 according to some embodiments of the disclosure.Method 300 can
To implement at master control equipment 210 as shown in Figure 2.For discussion purposes, method 300 is carried out specifically below with reference to Fig. 2
Description.
As shown, the acquisition of master control equipment 210 will be to associated with master control equipment 210 from control in frame 310
The synchronous data of equipment 220.In frame 320, master control equipment 210 is by the control process solution in data 260 and master control equipment 210
Coupling and by data 260 be stored in master control equipment 210 and from control the addressable database 250 of equipment 220 in.It is main in frame 330
Control equipment 210 using DDS to from control 220 synchrodata of equipment.
In certain embodiments, master control equipment 210 by database 250 issue data more newly arrive to from control equipment
220 synchrodatas.In certain embodiments, master control equipment 210 further can send data and update and lead to database 250
Know.
In certain embodiments, data to be synchronized include and at least one following related data: master control equipment 210
Configuration, the state of master control equipment 210 and the operation of master control equipment 210.
In certain embodiments, master control equipment 210 is using YANG data model and database 250 and from control equipment
220 carry out data exchange.
Fig. 4 shows the flow chart of the exemplary method 400 according to some embodiments of the disclosure.Method 400 can
To implement at control equipment 220 as shown in Figure 2.For discussion purposes, method 400 is carried out specifically below with reference to Fig. 2
Description.
As shown, in frame 410, from control equipment 220 using DDS from database 250 obtain from master control equipment 210 to
The data 260 synchronous from control equipment 220, wherein database 250 is may have access to from control equipment 220 and master control equipment 210
's.By this method, data 260 are decoupled with from the control process in control equipment 220.
In certain embodiments, method 400 can be optionally included in frame 420, can not visit in response to master control equipment 210
It asks, master control equipment 210 is replaced using acquired data 260 from control equipment 220, so that adapter tube is to interchanger 240
It manages and controls.
It should be understood that above in association with Fig. 2 master control equipment 210 describe and from control equipment 220 performed by operation and spy
Sign is equally applicable to method 300 and 400, and has same effect, and detail repeats no more.
Fig. 5 shows the block diagram for being suitable for realizing the communication equipment 500 of embodiment of the disclosure.Equipment 500 can be used to real
Data transmitting equipment or data receiver in existing embodiment of the disclosure, such as master control equipment shown in Fig. 2 210,
Or from control equipment 220 or 230.
As shown in the example of figure 5, communication equipment 500 may include one or more processors 510, be coupled to processor
510 one or more memories 520 and the one or more transmitters and/or receiver (TX/ for being coupled to processor 510
RX)540。
Processor 510 can be any suitable type suitable for local technical environment, and may include but unlimited
In general purpose computer, special purpose computer, microcontroller, digital signal controller (DSP) and based on multi-core processor framework
One of processor is a variety of.Communication equipment 500 can have multiple processors, such as be driven in time and main process task
The dedicated IC chip of the synchronous clock of device.
Memory 520 can be any suitable type suitable for local technical environment, and any conjunction can be used
Suitable data storage technology realizes that, as non-restrictive example, such as non-transient computer-readable storage media is based on semiconductor
Memory device, magnetic memory device and system, light storage device and system, fixed memory and removable memory.
At least part of the storage program 530 of memory 520.TX/RX 540 is used for two-way communication.TX/RX 540 has
At least one antenna is to promote to communicate, but the equipment can have several antennas in practice.Communication interface can indicate and it
Any interface needed for the communication of its network element.
Program 530 may include program instruction, which makes equipment when being executed by associated processor 510
500 can be operated according to the embodiment of the present disclosure, as described in referring to Figure 2 to Figure 4.That is, the reality of the disclosure
Apply example can by can be realized by computer software that the processor 510 of communication equipment 500 executes, or by hardware realization,
Or being implemented in combination with by software and hardware.
In general, the various example embodiments of the disclosure can hardware or special circuit, software, logic or its
What implement in combination.Some aspects can be implemented within hardware, and other aspects can by controller, microprocessor or
Other are calculated implements in the firmware or software that equipment executes.When the various aspects of embodiment of the disclosure are illustrated or described as frame
When figure, flow chart or other certain graphical representations of use, it will be understood that box described herein, device, system, techniques or methods can
Using as unrestricted example in hardware, software, firmware, special circuit or logic, common hardware or controller or other in terms of
It calculates and implements in equipment or its certain combination.The example that can be used to realize the hardware device of the embodiment of the present disclosure includes but is not limited to:
Field programmable gate array (FPGA), specific integrated circuit (ASIC), application specific standard product (ASSP), system on chip (SOC), complexity
Programmable logic device (CPLD), etc..
As an example, embodiment of the disclosure can be described in the context of machine-executable instruction, machine can be held
Row instruction such as includes in the program module executed in the device on the true or virtual processor of target.In general,
Program module includes routine, program, library, object, class, component, data structure etc., executes specific task or realizes specific
Abstract data structure.In embodiments, the function of program module can merge between described program module or
Segmentation.Machine-executable instruction for program module can execute in local or distributed apparatus.In distributed apparatus
In, program module can be located locally in remote medium storage the two.
The computer program code of method used to implement the present disclosure can be write with one or more programming languages.These
Computer program code can be supplied to the processing of general purpose computer, special purpose computer or other programmable data processing units
Device so that program code when being executed by computer or other programmable data processing units, cause flow chart and/
Or function/operation specified in block diagram is carried out.Program code can completely on computers, part on computers, conduct
Independent software package, part are on computers and part is held on a remote computer or server on the remote computer or completely
Row.
In the context of the disclosure, machine readable media can be include or storage be used for or about instruction execution system
Any tangible medium of the program of system, device or equipment.Machine readable media can be machine-readable signal medium or machine can
Read storage medium.Machine readable media can include but is not limited to electronics, magnetic, it is optical, electromagnetism, infrared or partly lead
Body system, device or equipment equipment or its any appropriate combination.The more detailed example of machine readable storage medium includes having one
Or the electrical connection of multiple conducting wires, portable computer diskette, hard disk, random access memories (RAM), read-only memory
(ROM), Erasable Programmable Read Only Memory EPROM (EPROM or flash memory), light storage device, magnetic storage apparatus or its is any appropriate
Combination.
In addition, although operation is depicted with particular order, this simultaneously should not be construed and require this generic operation to show
Particular order is completed with sequential order, or executes the operation of all diagrams to obtain expected result.In some cases, more
Task or parallel processing can be beneficial.Similarly, although discussed above contain certain specific implementation details, this is not
It should be interpreted that any invention of limitation or the scope of the claims, and should be interpreted that the specific embodiment that can be directed to specific invention
Description.Certain features described in the context of separated embodiment can also be with combined implementation single real in this specification
It applies in example.Conversely, the various features described in the context of single embodiment can also discretely multiple embodiments or
Implement in any appropriate sub-portfolio.
Although with specific to the language description of structural features and or methods of action theme, but it is to be understood that institute
The theme limited in attached claim is not limited to above-described special characteristic or movement.On the contrary, above-described specific spy
Movement of seeking peace is disclosed as the exemplary forms for realizing claim.
Claims (20)
1. one kind method synchronous for the data in software defined network (SDN), method include:
At the master control equipment in the SDN network, acquisition will be set to associated with the master control equipment from control
Standby synchronous data；
The data are decoupled with the control process in the master control equipment and store the data in the master control and are set up
It is standby and described from the control addressable database of equipment；And
The data are synchronized from control equipment from the master control equipment to described using Data distributing (DDS).
2. according to the method described in claim 1, wherein synchronizing the data packet from control equipment to described using the DDS
It includes:
The data are sent by more newly arriving to the Database Publishing data.
3. according to the method described in claim 1, further comprising:
Data update notification is sent to the database.
4. according to the method described in claim 1, wherein the data packet includes and at least one following related data: the master
Control configuration, the state of the master control equipment and the operation of the master control equipment of equipment.
5. according to the method described in claim 1, wherein the master control equipment is using YANG data model and the database
Carry out data exchange.
6. one kind method synchronous for the data in software defined network (SDN), comprising:
In the SDN network at control equipment, using Data distributing (DDS) from described from control equipment and master control
The addressable database of control equipment is obtained from the master control equipment to the data synchronous from control equipment, the data with
The control process decoupling from control equipment, it is described associated with the master control equipment from control equipment.
7. according to the method described in claim 6, wherein including: from the database acquisition data using the DDS
The data are subscribed to the database；And
In response to receiving data update notification from the database, the database is accessed to obtain the data.
8. according to the method described in claim 6, wherein the data packet includes and at least one following related data: the master
Control configuration, the state of the master control equipment and the operation of the master control equipment of equipment.
9. according to the method described in claim 6, wherein described use YANG data model and the database from control equipment
Carry out data exchange.
10. the master control equipment in a kind of software defined network (SDN), comprising:
Processor；And
Memory, the memory are stored with instruction, and described instruction makes the master control equipment when being executed by the processor
Movement is executed, the movement includes:
At the master control equipment, obtaining will be to associated from the synchronous number of control equipment with the master control equipment
According to；
The data are decoupled with the control process in the master control equipment and store the data in the master control and are set up
It is standby and described from the control addressable database of equipment；And
The data are synchronized from control equipment from the master control equipment to described using Data distributing (DDS).
11. master control equipment according to claim 10, wherein using the DDS to it is described synchronize from control equipment it is described
Data include:
The data are sent by more newly arriving to the Database Publishing data.
12. master control equipment according to claim 10, wherein the movement further comprises:
Data update notification is sent to the database.
13. master control equipment according to claim 10, wherein the data packet includes and at least one following related number
According to: the operation of the configuration of the master control equipment, the state of the master control equipment and the master control equipment.
14. master control equipment according to claim 10, wherein the master control equipment uses YANG data model and institute
It states database and carries out data exchange.
15. in a kind of software defined network (SDN) from control equipment, comprising:
Processor；And
Memory, the memory are stored with instruction, and described instruction makes described from control equipment when being executed by the processor
Movement is executed, the movement includes:
Described at control equipment, it can be visited from described from control equipment and master control equipment using Data distributing (DDS)
The database asked is obtained from the master control equipment to the data synchronous from control equipment, data and described from control
Control process decoupling in equipment, it is described associated with the master control equipment from control equipment.
16. it is according to claim 15 from control equipment, wherein obtaining the data from the database using the DDS
Include:
The data are subscribed to the database；And
In response to receiving data update notification from the database, the database is accessed to obtain the data.
17. it is according to claim 15 from control equipment, wherein the data packet includes and at least one following related number
According to: the operation of the configuration of the master control equipment, the state of the master control equipment and the master control equipment.
18. it is according to claim 15 from control equipment, wherein described use YANG data model and institute from control equipment
It states database and carries out data exchange.
19. a kind of computer readable storage medium comprising machine-executable instruction, the machine-executable instruction is by equipment
The equipment is set to execute method described in any one of -5 according to claim 1 when execution.
20. a kind of computer readable storage medium comprising machine-executable instruction, the machine-executable instruction is by equipment
The equipment is set to execute the method according to any one of claim 6-9 when execution.
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