CN108234354A - SDN controllers and the connection control method of SDN switch and SDN controller systems - Google Patents
SDN controllers and the connection control method of SDN switch and SDN controller systems Download PDFInfo
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- CN108234354A CN108234354A CN201810006188.9A CN201810006188A CN108234354A CN 108234354 A CN108234354 A CN 108234354A CN 201810006188 A CN201810006188 A CN 201810006188A CN 108234354 A CN108234354 A CN 108234354A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
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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
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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
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
Abstract
The present invention provides a kind of SDN controllers and the connection control method of SDN switch and SDN controller systems, are related to field of communication technology, method includes：According to the treating capacity to SDN switch, adjustment and the areal of determining SDN controllers；The SDN amount controllers in each region are calculated according to the quantity of SDN controllers and areal；SDN amount controllers in each region carry out region division to multiple SDN controllers, form several SDN controller clusters；Each SDN controllers cluster is controlled to establish with a SDN switch respectively to connect；The control instruction of connection SDN controllers main at least two in SDN controller clusters compares, and the transmission of control instruction is carried out when comparing result is consistent, solve SDN controllers can not how many according to interchanger real work amount to the control of SDN switch and the technical issues of carry out being more suitable for the reasonable distribution of actual conditions.
Description
Technical field
The present invention relates to field of communication technology, more particularly, to a kind of SDN controllers and the connection controlling party of SDN switch
Method and SDN controller systems.
Background technology
Software defined network (Software Defined Network, abbreviation SDN) controller is in software defined network
Application program, be responsible for flow control to ensure intelligent network.SDN controllers are based on agreement, and server is allowed to tell interchanger
To where transmission data packet.Therefore, SDN controllers connect cooperation use with SDN interchangers.
SDN controllers are a kind of operating system (Operating System, abbreviation OS) as network.Controller is not controlled
The network hardware processed but as running software, be conducive to network automatically management in this way.Network based on software controls so that collection
It is easier into business application and network.
It at present, can there is a situation where unreasonable allocations during SDN controllers and SDN switch cooperation operation.Example
Such as, upper netizen is more during the day, and the workload of server and interchanger is relatively more, and at this moment SDN controllers will be in busy
Commonplace state；Netizen is less at midnight, and the workload of server and interchanger is relatively fewer, SDN controllers more at this time
Idle state will be in.It can not be according to interchanger real work amount to the control of SDN switch so as to cause SDN controllers
Reasonable distribution that is how many and be more suitable for actual conditions.
Invention content
In view of this, the purpose of the present invention is to provide the connection control method of a kind of SDN controllers and SDN switch with
And SDN controller systems, it can not be according to exchange to the control of SDN switch to solve SDN controllers in the prior art
The number of machine real work amount and the technical issues of carry out being more suitable for the reasonable distribution of actual conditions.
In a first aspect, an embodiment of the present invention provides a kind of SDN controllers and the connection control method of SDN switch, packet
It includes：
According to the treating capacity to SDN switch, adjustment and the areal of determining SDN controllers；
The SDN amount controllers in each region are calculated according to the quantity of SDN controllers and the areal；
SDN amount controllers in each region carry out region division to multiple SDN controllers, are formed several
A SDN controllers cluster；
The each SDN controllers cluster of control is established respectively with a SDN switch to be connected, wherein, each SDN
Controller cluster includes main connection SDN controllers and auxiliary connection SDN controllers；
The control instruction of connection SDN controllers main at least two in the SDN controllers cluster compares, and
When comparing result is consistent carry out control instruction transmission, wherein, the SDN controllers cluster include it is auxiliary connection SDN controllers with
At least two main connection SDN controllers.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiment of first aspect, wherein, institute
It states according to the treating capacity to SDN switch, adjustment and the areal of determining SDN controllers, specifically includes：
When being more than the first preset value to the treating capacity of SDN switch or less than the second preset value, to SDN controllers
Areal is adjusted and determines.
With reference to first aspect, an embodiment of the present invention provides second of possible embodiment of first aspect, wherein, institute
The quantity according to SDN controllers and the SDN amount controllers in each region of areal calculating are stated, is specifically included：
The quantity of the SDN controllers and the areal are subjected to division arithmetic, obtain the SDN controls in each region
Device quantity processed.
With reference to first aspect, an embodiment of the present invention provides the third possible embodiment of first aspect, wherein, institute
It states each SDN controllers cluster of control and establishes connection with a SDN switch respectively, specifically include：
The each SDN controllers cluster of control is established respectively with a SDN switch to be connected, and the SDN is controlled
Main connection SDN controllers in device cluster establish main connection with the SDN switch, will be auxiliary in the SDN controllers cluster
Connection SDN controllers establish auxiliary connection with the SDN switch.
With reference to first aspect, an embodiment of the present invention provides the 4th kind of possible embodiment of first aspect, wherein, institute
The each SDN controllers cluster of control is stated respectively with after a SDN switch foundation connection, further including：
In the main connection SDN controllers failure, the control auxiliary connection SDN controllers are built with the SDN switch
Stand main connection.
With reference to first aspect, an embodiment of the present invention provides the 5th kind of possible embodiment of first aspect, wherein, with
It is synchronous that the SDN switch establishes data between the auxiliary connection SDN controllers of main connection and the main connection SDN controllers of failure.
With reference to first aspect, an embodiment of the present invention provides the 6th kind of possible embodiment of first aspect, wherein, institute
The each SDN controllers cluster of control is stated respectively with after a SDN switch foundation connection, further including：
Control alternately control instruction between at least two in the SDN controllers cluster main connection SDN controllers
Transmission；
Wherein, the SDN controllers cluster includes auxiliary connection SDN controllers and at least two main connection SDN controllers.
With reference to first aspect, an embodiment of the present invention provides the 7th kind of possible embodiment of first aspect, wherein, institute
The alternately transmission of control instruction between at least two main connection SDN controllers in the control SDN controllers cluster is stated,
It specifically includes：
Control instruction transmission situation at the communication interface of main connection SDN controllers is monitored, and according to monitoring result
Control the transmission of alternately control instruction between at least two in the SDN controllers cluster main connection SDN controllers.
Second aspect, the embodiment of the present invention also provide a kind of SDN controller systems, including：Adjustment unit, computing unit,
Allocation unit, communication unit, SDN controllers and comparison transmission unit；
The adjustment unit is used for according to the treating capacity to SDN switch, adjustment and the area for determining the SDN controllers
Domain number；
The computing unit is used to be calculated in each region with the areal according to the quantity of the SDN controllers
SDN amount controllers；
The allocation unit is for the SDN amount controllers in each cluster to multiple SDN controllers
It is divided, forms several SDN controller clusters；
The communication unit connects for each SDN controllers cluster to be controlled to be established respectively with a SDN switch；
Wherein, each SDN controllers cluster includes main connection SDN controllers and auxiliary connection SDN controllers；
The comparison transmission unit is for connection SDN controllers main at least two in the SDN controllers cluster
Control instruction is compared, and the transmission of control instruction is carried out when comparing result is consistent, wherein, the SDN controllers cluster
Including auxiliary connection SDN controllers and at least two main connection SDN controllers.
The third aspect, the embodiment of the present invention also provide a kind of meter of non-volatile program code that can perform with processor
Calculation machine readable medium, said program code make the processor perform the method described in above-mentioned first aspect.
It ties technical solution provided in an embodiment of the present invention and brings following advantageous effect：SDN provided in an embodiment of the present invention
In controller and the connection control method of SDN switch and SDN controller systems, the connection of SDN controllers and SDN switch
Control method includes：First, according to the treating capacity to SDN switch, the areal with determining SDN controllers is adjusted, then,
The SDN amount controllers in each region are calculated according to the quantity of SDN controllers and areal, later, according to each region
In SDN amount controllers to multiple SDN controllers carry out region division, so as to form several SDN controller clusters, then
Each SDN controllers cluster is controlled to establish with a SDN switch respectively to connect, wherein, each SDN controllers cluster includes master
SDN controllers and auxiliary connection SDN controllers are connected, finally, connection SDN controls main at least two in SDN controller clusters
The control instruction of device is compared, and the transmission of control instruction is carried out when comparing result is consistent, wherein, SDN controller clusters
Including auxiliary connection SDN controllers and at least two main connection SDN controllers, by the areal to SDN controllers according to SDN
The adjustment that the treating capacity of interchanger carries out is with determining, so as to calculate each area further according to the SDN amount controllers for needing to control
SDN amount controllers in domain, then carry out region division accordingly and be divided into several SDN controller clusters, so as to fulfill basis
The number of interchanger real work amount and SDN controller aggregated patterns are dynamically distributed and are adjusted, make each SDN controllers
Cluster can be established respectively with a SDN switch and be connected, and so as to ensure when the workload of interchanger is relatively more, be adjusted
Greater number of SDN controllers cluster is made into carry out more rational control to a fairly large number of SDN switch, so passing through
Dynamic adjustment and adjusting to SDN controller clusters, can reach the SDN switch that SDN controllers cluster is controlled with needs
Number matches, in addition, being can also ensure that simultaneously when the workload of interchanger is relatively fewer, there will not be in idle state
SDN controllers, and adjust more SDN controllers form a cluster carry out main connection also being capable of the company of raising with auxiliary connection
The assurance coefficient of control is connect, it can not basis to the control of SDN switch so as to solve SDN controllers in the prior art
The number of interchanger real work amount and the technical issues of carry out being more suitable for the reasonable distribution of actual conditions.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
For the above objects, features and advantages of the present invention is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 shows the stream of the connection control method of the SDN controllers that the embodiment of the present invention one provided and SDN switch
Cheng Tu；
The SDN controllers and the stream of the connection control method of SDN switch provided Fig. 2 shows the embodiment of the present invention two
Cheng Tu；
Fig. 3 shows the structure diagram of a kind of SDN controller systems that the embodiment of the present invention three is provided；
Fig. 4 shown in the SDN controller systems that the embodiment of the present invention is provided, the specific connection structure of SDN controllers
Schematic diagram.
Icon：3-SDN controller systems；31- adjustment units；32- computing units；33- allocation units；34- communications are single
Member；35-SDN controllers；The main connection SDN controllers of 351-；The auxiliary connection SDN controllers of 352-；36- replaces module；37- is monitored
Module.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiment be part of the embodiment of the present invention rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
At present SDN controllers to SDN switch control can not according to interchanger real work amount number and progress more
Add the reasonable distribution for being suitable for actual conditions, based on this, a kind of SDN controllers provided in an embodiment of the present invention and SDN switch
Connection control method and SDN controller systems, SDN controllers in the prior art can be solved to SDN switch
Control can not according to interchanger real work amount number and be more suitable for the technology of the reasonable distribution of actual conditions
Problem.
For ease of understanding the present embodiment, first to a kind of SDN controllers disclosed in the embodiment of the present invention with
The connection control method and SDN controller systems of SDN switch describe in detail.
Embodiment one：
The connection control method of a kind of SDN controllers provided in an embodiment of the present invention and SDN switch, as shown in Figure 1, should
Method includes：
S11：According to the treating capacity to SDN switch, adjustment and the areal of determining SDN controllers.
As a preferred embodiment, the first preset value can be more than or to SDN switch in the treating capacity to SDN switch
Treating capacity be less than the second preset value when, the areal of SDN controllers is adjusted and determined.
S12：The SDN amount controllers in each region are calculated according to the quantity of SDN controllers and areal.
Specifically, can the quantity of SDN controllers and areal be carried out division arithmetic, obtain in each region
SDN amount controllers.
S13：SDN amount controllers in each region carry out region division to multiple SDN controllers, are formed several
A SDN controllers cluster.
S14：Each SDN controllers cluster is controlled to establish with a SDN switch respectively to connect.
Wherein, each SDN controllers cluster includes main connection SDN controllers and auxiliary connection SDN controllers.
Preferably, the main connection SDN controllers in SDN controller clusters and SDN switch can be established main connection, and
Auxiliary connection SDN controllers in SDN controller clusters and SDN switch are established into auxiliary connection.
S15：The control instruction of connection SDN controllers main at least two in SDN controller clusters compares, and
The transmission of control instruction is carried out when comparing result is consistent.
Wherein, SDN controllers cluster includes auxiliary connection SDN controllers and at least two main connection SDN controllers.
Embodiment two：
The connection control method of a kind of SDN controllers provided in an embodiment of the present invention and SDN switch, as shown in Fig. 2, should
Method includes：
S21：When being more than the first preset value to the treating capacity of SDN switch or less than the second preset value, to SDN controllers
Areal be adjusted and determine.
S22：The quantity of SDN controllers and areal are subjected to division arithmetic, obtain the SDN controllers in each region
Quantity.
S23：SDN amount controllers in each region carry out region division to multiple SDN controllers, are formed several
A SDN controllers cluster.
S24：Each SDN controllers cluster is controlled to establish with SDN switch respectively to connect, and by SDN controller collections
Main connection SDN controllers in group establish main connection with SDN switch, and the auxiliary connection SDN in SDN controller clusters is controlled
Device establishes auxiliary connection with SDN switch.
Wherein, each SDN controllers cluster can include main connection SDN controllers and auxiliary connection SDN controllers.
S25：In main connection SDN controllers failure, auxiliary connection SDN controllers is controlled to establish main company with SDN interchangers
It connects.
As the preferred embodiment of the present embodiment, the auxiliary connection SDN controllers that main connection is established with SDN switch can
With between the main connection SDN controllers of failure data it is synchronous.
In one implementation, each SDN controllers cluster is being controlled to establish connection with a SDN switch respectively
Afterwards, can also include：The control instruction of connection SDN controllers main at least two in SDN controller clusters compares,
And the transmission of control instruction is carried out when comparing result is consistent.Wherein, SDN controllers cluster include it is auxiliary connection SDN controllers with
At least two main connection SDN controllers.
In another implementation, each SDN controllers cluster is being controlled to establish company with a SDN interchanger respectively
After connecing, it can also include：It is alternately controlled between at least two main connection SDN controllers in control SDN controller clusters
Make the transmission of instruction.Wherein, SDN controllers cluster includes auxiliary connection SDN controllers and at least two main connection SDN controllers.
Specifically, control instruction transmission situation at the communication interface of main connection SDN controllers can be monitored, and root
Alternately control instruction is controlled between at least two in SDN controller clusters main connection SDN controllers according to monitoring result
Transmission.
Embodiment three：
A kind of SDN controller systems provided in an embodiment of the present invention, as shown in figure 3, SDN controller systems 3 can include：
Adjustment unit 31, computing unit 32, allocation unit 33, communication unit 34, SDN controllers 35 and comparison transmission unit.
In practical applications, adjustment unit 31 can be used for according to the treating capacity to SDN switch, adjustment and determining SDN
The areal computing unit 32 of controller 35 can be used for calculating each area with areal according to the quantity of SDN controllers 35
SDN amount controllers in domain.
It should be noted that allocation unit 33 can be used for SDN amount controllers in each cluster to multiple SDN
Controller 35 is divided, and forms several SDN controller clusters.Communication unit 34 can be used for controlling each SDN controllers
Cluster is established with a SDN switch connect respectively.Wherein, each SDN controllers cluster can include main connection SDN controllers
351 connect SDN controllers 352 with auxiliary.
As the another embodiment of the present embodiment, as shown in figure 4, SDN controller systems 3 can also include：Alternately
Module 36, for alternately control between at least two in SDN controller clusters main connection SDN controllers 351 to be controlled to refer to
The transmission of order.Wherein, SDN controllers cluster can include auxiliary 352 and at least two main connection SDN controls of connection SDN controllers
Device 351.
Further, SDN controller systems 3 can also include：Monitoring modular 37, for main connection SDN controllers
Control instruction transmission situation is monitored at 351 communication interface, so as to which alternating module 36 be allow to be controlled according to monitoring result
The alternately transmission of control instruction between at least two main connection SDN controllers 351 in SDN controller clusters.
Preferably, comparison transmission unit is for connection SDN controllers 351 main at least two in SDN controller clusters
Control instruction compared, and when comparing result is consistent carry out control instruction transmission, wherein, SDN controller cluster packets
Include auxiliary 352 and at least two main connection SDN controllers 351 of connection SDN controllers.
Example IV：
A kind of non-volatile program code that can perform with processor provided in an embodiment of the present invention it is computer-readable
Medium, said program code make the processor perform two the method for above-described embodiment one or embodiment.
Unless specifically stated otherwise, component and the opposite step of step, the digital table otherwise illustrated in these embodiments
It is not limit the scope of the invention up to formula and numerical value.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, the corresponding process in preceding method embodiment can be referred to, details are not described herein.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustrative, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
Flow chart and block diagram in attached drawing show the system, method and computer journey of multiple embodiments according to the present invention
Architectural framework in the cards, function and the operation of sequence product.In this regard, each box in flow chart or block diagram can generation
The part of one module of table, program segment or code, a part for the module, program segment or code include one or more use
In the executable instruction of logic function as defined in realization.It should also be noted that it in some implementations as replacements, is marked in box
The function of note can also be occurred with being different from the sequence marked in attached drawing.For example, two continuous boxes can essentially base
Originally it is performed in parallel, they can also be performed in the opposite order sometimes, this is depended on the functions involved.It is also noted that
It is the combination of each box in block diagram and/or flow chart and the box in block diagram and/or flow chart, can uses and perform
Defined function or the dedicated hardware based system of action are realized or can use specialized hardware and computer instruction
It combines to realize.
SDN controller systems provided in an embodiment of the present invention, the SDN controllers provided with above-described embodiment are exchanged with SDN
The connection control method of machine has identical technical characteristic, so can also solve the technical issues of identical, reaches identical technology
Effect.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In addition, term " first ", " second ", " third " are only used for description purpose, and it is not intended that instruction or implying phase
To importance.
The computer journey for the connection control method for carrying out SDN controllers and SDN switch that the embodiment of the present invention is provided
Sequence product, the computer readable storage medium of non-volatile program code that can perform including storing processor, described program
The instruction that code includes can be used for performing the method described in previous methods embodiment, and specific implementation can be found in embodiment of the method,
Details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of division of logic function, can there is other dividing mode in actual implementation, in another example, multiple units or component can
To combine or be desirably integrated into another system or some features can be ignored or does not perform.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be by some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.
If the function is realized in the form of SFU software functional unit and is independent product sale or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially in other words
The part contribute to the prior art or the part of the technical solution can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be
People's computer, server or network equipment etc.) perform all or part of the steps of the method according to each embodiment of the present invention.
And aforementioned storage medium includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.
Finally it should be noted that：Embodiment described above, only specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Any one skilled in the art
In the technical scope disclosed by the present invention, it can still modify to the technical solution recorded in previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement is carried out to which part technical characteristic；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, protection scope of the present invention described should be subject to the protection scope in claims.
Claims (10)
1. a kind of connection control method of SDN controllers and SDN switch, which is characterized in that including：
According to the treating capacity to SDN switch, adjustment and the areal of determining SDN controllers；
The SDN amount controllers in each region are calculated according to the quantity of SDN controllers and the areal；
SDN amount controllers in each region carry out region division to multiple SDN controllers, form several
SDN controller clusters；
The each SDN controllers cluster of control is established respectively with a SDN switch to be connected, wherein, each SDN controls
Device cluster includes main connection SDN controllers and auxiliary connection SDN controllers；
The control instruction of connection SDN controllers main at least two in the SDN controllers cluster compares, and comparing
As a result the transmission of control instruction is carried out when consistent, wherein, the SDN controllers cluster is including auxiliary connection SDN controllers and at least
Two main connection SDN controllers.
2. the connection control method of SDN controllers according to claim 1 and SDN switch, which is characterized in that described
According to the treating capacity to SDN switch, adjustment and the areal of determining SDN controllers specifically include：
When being more than the first preset value to the treating capacity of SDN switch or less than the second preset value, to the region of SDN controllers
Number is adjusted and determines.
3. the connection control method of SDN controllers according to claim 1 and SDN switch, which is characterized in that described
Quantity according to SDN controllers and the SDN amount controllers in each region of areal calculating, specifically include：
The quantity of the SDN controllers and the areal are subjected to division arithmetic, obtain the SDN controllers in each region
Quantity.
4. the connection control method of SDN controllers according to claim 1 and SDN switch, which is characterized in that the control
The each SDN controllers cluster of system is established respectively with a SDN switch to be connected, and is specifically included：
The each SDN controllers cluster of control is established respectively with a SDN switch to be connected, and by the SDN controller collections
Main connection SDN controllers in group establish main connection with the SDN switch, by the auxiliary connection in the SDN controllers cluster
SDN controllers establish auxiliary connection with the SDN switch.
5. the connection control method of SDN controllers according to claim 1 and SDN switch, which is characterized in that the control
After each SDN controllers cluster of system establishes connection with a SDN switch respectively, further include：
In the main connection SDN controllers failure, the control auxiliary connection SDN controllers are established with the SDN switch to be led
Connection.
6. the connection control method of SDN controllers according to claim 5 and SDN switch, which is characterized in that with it is described
It is synchronous that SDN switch establishes data between the auxiliary connection SDN controllers of main connection and the main connection SDN controllers of failure.
7. the connection control method of SDN controllers according to claim 1 and SDN switch, which is characterized in that the control
After each SDN controllers cluster of system establishes connection with a SDN switch respectively, further include：
Control the biography of alternately control instruction between at least two in the SDN controllers cluster main connection SDN controllers
It is defeated；
Wherein, the SDN controllers cluster includes auxiliary connection SDN controllers and at least two main connection SDN controllers.
8. the connection control method of SDN controllers according to claim 7 and SDN switch, which is characterized in that the control
The transmission of alternately control instruction between at least two main connection SDN controllers in the SDN controllers cluster is made, specifically
Including：
Control instruction transmission situation at the communication interface of main connection SDN controllers is monitored, and controlled according to monitoring result
The alternately transmission of control instruction between at least two main connection SDN controllers in the SDN controllers cluster.
9. a kind of SDN controller systems, which is characterized in that including：Adjustment unit, computing unit, allocation unit, communication unit,
SDN controllers and comparison transmission unit；
The adjustment unit is used for according to the treating capacity to SDN switch, adjustment and the region for determining the SDN controllers
Number；
The computing unit is used to calculate the SDN in each region with the areal according to the quantity of the SDN controllers
Amount controller；
The allocation unit carries out multiple SDN controllers for the SDN amount controllers in each cluster
It divides, forms several SDN controller clusters；
The communication unit connects for each SDN controllers cluster to be controlled to be established respectively with a SDN switch；Its
In, each SDN controllers cluster includes main connection SDN controllers and auxiliary connection SDN controllers；
The comparison transmission unit is for the control for connecting SDN controllers main at least two in the SDN controllers cluster
Instruction is compared, and the transmission of control instruction is carried out when comparing result is consistent, wherein, the SDN controllers cluster includes
Auxiliary connection SDN controllers and at least two main connection SDN controllers.
10. a kind of computer-readable medium of non-volatile program code that can perform with processor, which is characterized in that described
Program code makes the processor perform any one of claim 1-8 the methods.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017110671010 | 2017-11-02 | ||
| CN201711067101 | 2017-11-02 |
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| Publication Number | Publication Date |
|---|---|
| CN108234354A true CN108234354A (en) | 2018-06-29 |
| CN108234354B CN108234354B (en) | 2021-03-30 |
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| CN201810006188.9A Active CN108234354B (en) | 2017-11-02 | 2018-01-04 | SDN controller and SDN switch connection control method and SDN controller system |
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| CN113329055A (en) * | 2021-04-30 | 2021-08-31 | 网络通信与安全紫金山实验室 | Distributed SDN controller system and control method and device thereof |
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