CN108713309A - SD-WAN system, use method of SD-WAN system and related device - Google Patents
SD-WAN system, use method of SD-WAN system and related device Download PDFInfo
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- CN108713309A CN108713309A CN201880001213.2A CN201880001213A CN108713309A CN 108713309 A CN108713309 A CN 108713309A CN 201880001213 A CN201880001213 A CN 201880001213A CN 108713309 A CN108713309 A CN 108713309A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/04—Interdomain routing, e.g. hierarchical routing
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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
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
Abstract
The application relates to the technical field of communication, and discloses an SD-WAN system, a use method of the SD-WAN system and a related device. In the present application, the SD-WAN system includes: a virtual logic network layer, a physical network layer, a network interconnection layer and a user layer; the virtual logic network layer is physically connected with the physical network layer and is in communication connection with the network interconnection layer; the network interconnection layer is physically connected with the physical network layer and is in communication connection with the user layer; the network interconnection layer is used for receiving access data of the user layer to the physical network layer, sending an access request generated according to the access data to the virtual logic network layer, and transmitting the access data to the physical network layer under the control of the virtual logic network layer; and the virtual logic network layer is used for controlling the network interconnection layer to transmit the access data to the physical network layer according to the access request. The SD-WAN system realizes the transformation of the existing WAN into the SD-WAN.
Description
Technical field
This application involves field of communication technology, more particularly to a kind of SD-WAN systems, the application method of SD-WAN systems and
Relevant apparatus.
Background technology
Enterprise WAN (wide area network, WideAreaNetwork, also referred to as remote transmission net (longhaulnetwor)) from
Special TDM (time division multiplexing) circuit is transferred to Packet-over-SONET (the online grouped data of synchronization optical fiber) and MPLS (more associations
Label of assessing a bid for tender interact, Multi-ProtocolLabelSwitching), and it is transferred to Ethernet access service now.However,
There is two pieces thing to remain unchanged during this, that is, WAN bandwidth is still costly, when configuration WAN services need very long
Between.In addition, WAN is also faced with very various challenges, including the safety of backup link utilization rate, remote site, traffic engineering,
Service quality, contactless configuration and flow are visual.And SD-WAN (software definition wide area network,
SoftwareDefinedWAN it) since it provides a kind of deployment way quickly, inexpensive, and is intended to that user is helped to reduce
The spending of WAN and its connection flexibility is improved, can effectively solve the problem that the above problem, thus by enterprise, operator and communication
Equipment vendor pursues.
But inventor has found that at least there are the following problems in the prior art：It can be big although disposing SD-WAN for enterprise
It is big to reduce the spending of WAN, and the flexibility of its connection is significantly improved, but directly give up existing WAN systems, it redeploys
On the one hand SD-WAN can lead to the waste of existing WAN systems, on the other hand since existing SD-WAN is during deployment, need
Mating, the SD-WAN controllers that even identical production firm provides and the transponder with flow forwarding capability are used,
Cause SD-WAN to be limited by equipment, and redeploy SD-WAN, needs a large amount of energy put into and material resources.No matter above-mentioned
That factor all can seriously increase the cost of enterprise.
Therefore it provides a kind of transforming existing WAN as SD-WAN, and it is without limiting SD-WAN controllers and transponder
No mating scheme is particularly important.
Invention content
It is above-mentioned to solve this application provides a kind of SD-WAN systems, the application method and relevant apparatus of SD-WAN systems
Technical problem.
One embodiment of the application provides a kind of SD-WAN systems, which includes：Virtual logical network
Layer, physical network layer, internetworking layer and client layer；Virtual logical network layer and physical network layer physical connection, it is mutual with network
Even layer communication connection；Internetworking layer and physical network layer physical connection, connect with exchanges such as user plane communication；Wherein, internetworking layer,
For receiving access data of the client layer to physical network layer, virtually patrolled being sent to according to the access request for accessing data generation
Network layer is collected, and data transmission will be accessed to physical network layer under the control of virtual logical network layer；Virtual logical network layer,
For according to access request, control internetworking layer will to access data transmission to physical network layer.
One embodiment of the application provides a kind of application method of SD-WAN systems, the user of the SD-WAN systems
Method is applied to the virtual logical network layer in the application arbitrary system embodiment, including：The network obtained in SD-WAN systems is mutual
The access request that even layer is sent；Wherein, access request by internetworking layer according to the client layer in SD-WAN systems to SD-WAN
The access data of physical network layer in system generate；According to access request, control internetworking layer will access data transmission extremely
Physical network layer.
One embodiment of the application additionally provides a kind of application method of SD-WAN systems, the use of the SD-WAN systems
Method is applied to the internetworking layer in the application arbitrary system embodiment, including：Receive the client layer pair in SD-WAN systems
The access data of physical network layer in SD-WAN systems；Access request is generated according to data are accessed, and access request is sent
To the virtual logical network layer in SD-WAN systems；Data transmission will be accessed under the control of virtual logical network layer to Physical Network
Network layers.
One embodiment of the application provides a kind of use device of SD-WAN systems, the use dress of the SD-WAN systems
It sets applied to the virtual logical network layer in the application arbitrary system embodiment, including：Acquisition module and control module；Obtain mould
Block, the access request for obtaining the transmission of the internetworking layer in SD-WAN systems；Wherein, access request is by internetworking layer root
The access data of the physical network layer in SD-WAN systems are generated according to the client layer in SD-WAN systems；Control module is used for
According to access request, control internetworking layer will access data transmission to physical network layer.
One embodiment of the application additionally provides a kind of use device of SD-WAN systems, the use of the SD-WAN systems
Device is applied to the network interconnection in the application arbitrary system embodiment, including：Receiving module, the first sending module and the second hair
Send module；Receiving module, for receiving access of the client layer in SD-WAN systems to the physical network layer in SD-WAN systems
Data；First sending module for generating access request according to access data, and access request is sent in SD-WAN systems
Virtual logical network layer；Second sending module, for data transmission will to be accessed under the control of virtual logical network layer to object
Manage network layer.
One embodiment of the application provides a kind of electronic equipment, which includes at least one processor；With
And the memory being connect at least one processor communication；Wherein, memory is stored with and can be executed by least one processor
Instruction, instruction are executed by least one processor, so that at least one processor is able to carry out the application and is applied to virtual logical
The application method of the SD-WAN systems of network layer.
One embodiment of the application provides a kind of network interconnection apparatus, network interconnection, which includes at least one place
Manage device；And the memory being connect at least one processor communication；Wherein, be stored with can be by least one processor for memory
The instruction of execution, instruction are executed by least one processor, so that at least one processor is able to carry out the application and is applied to net
The application method of the SD-WAN systems of network interconnection layer.
One embodiment of the application provides a kind of computer readable storage medium, which deposits
Computer instruction is contained, computer instruction is used to that computer to be made to execute the SD-WAN systems that the application is applied to virtual logical network layer
The application method of system.
One embodiment of the application provides a kind of computer readable storage medium, which deposits
Contain computer instruction, computer instruction is used to making the SD-WAN systems that computer executes the application applied to internetworking layer
Application method.
The embodiment of the present application in terms of existing technologies, by existing physical network layer (i.e. WAN network) top
A virtual logical network layer is affixed one's name to, and virtual logical network layer and physical network layer physical connection are set, it is mutual with existing network
Even layer communication connection, so that internetworking layer is when receiving access data of the client layer to physical network layer, Neng Gougen
Access request hair is generated according to data are accessed, and gives access request to virtual logical network layer, virtual logical network layer is receiving
, can be according to access request to after the access request, data transmission will be accessed to physical network layer by controlling internetworking layer.It is based on
Aforesaid way easily and efficiently realizes and transform WAN network as SD-WAN networks, and without replacing existing network interconnection
Equipment in layer.
Description of the drawings
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element with same reference numbers label is expressed as similar element in attached drawing, removes
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the block diagram of SD-WAN systems in the application first embodiment；
Fig. 2 is the block diagram of SD-WAN systems in the application second embodiment；
Fig. 3 is the schematic diagram of SD-WAN systems in the application second embodiment；
Fig. 4 is the flow chart of the application method of SD-WAN systems in the application 3rd embodiment；
Fig. 5 is the flow chart of the application method of SD-WAN systems in the application fourth embodiment；
Fig. 6 is the flow chart of the application method of SD-WAN systems in the 5th embodiment of the application；
Fig. 7 is the block diagram of the use device of SD-WAN systems in the application sixth embodiment；
Fig. 8 is the block diagram of the use device of SD-WAN systems in the 7th embodiment of the application；
Fig. 9 is the block diagram of electronic equipment in the 8th embodiment of the application；
Figure 10 is the block diagram of network interconnection apparatus, network interconnection in the 9th embodiment of the application.
Specific implementation mode
It is with reference to the accompanying drawings and embodiments, right in order to make the object, technical solution and advantage of the application be more clearly understood
The application section Example is further elaborated.It should be appreciated that specific embodiment described herein is only used to solve
The application is released, is not used to limit the application.
The first embodiment of the application is related to a kind of SD-WAN systems, which includes mainly：Virtual logical net
Network layers 101, physical network layer 102, internetworking layer 103 and client layer 104.Wherein, virtual logical network layer 101 and Physical Network
102 physical connection of network layers is communicated to connect with internetworking layer 103；Internetworking layer 103 and 102 physical connection of physical network layer,
It is communicated to connect with client layer 104, concrete structure is as shown in Figure 1.
In practical applications, the internetworking layer 103 in the SD-WAN systems is mainly used for receiving client layer 104 to object
The access data of network layer 102 are managed, then generate access request according to the access data that receive, and by the access request of generation
It is sent to virtual logical network layer 101 to be handled, data transmission then will be accessed under the control of virtual logical network layer 101
To physical network layer 102.
The access request that virtual logical network layer 101 in SD-WAN systems then is used to be uploaded according to internetworking layer 103,
Data transmission will be accessed to physical network layer 102 by controlling internetworking layer 103.
Specifically, in the present embodiment, SD-WAN controllers 1011 are specifically included in virtual logical network layer 101.
In the present embodiment, SD-WAN controllers 1011 are mainly used for the access request sent according to internetworking layer 103,
Determine routing policy (for determining the access data from client layer, which gateway apparatus will be jumped to), and according to road
By strategy, controls and receive the gateway apparatus for accessing data in internetworking layer 103 by access data forwarding to other gateways dress
It sets, data transmission will be accessed to physical network layer 102 by other gateway apparatus.
It should be noted that the routing policy in the present embodiment, it specifically can be by SD-WAN controllers 1011 according to current
Network condition and access the sizes of data and generate, can also be generated in advance, specifically by a large amount of analogue datas
Method of determination is not limited herein.
In addition, SD-WAN controllers 1011 described in the application be intended merely to indicate the controller can management and control it is entire
SD-WAN systems, any equipment for having the function, program all can serve as the control in SD-WAN systems in practical applications
Device.
In addition, SD-WAN controllers 1011 described in the application can specifically be deployed in cloud server, or local clothes
It is engaged on device, specifically, those skilled in the art can be arranged as required to, is not limited herein.
In addition, it is noted that in order to ensure client layer 104 ask access data do not leaked in transmission process,
And then ensure that the safety of user information, the SD-WAN controllers 1011 in the present embodiment are additionally operable to control internetworking layer 103
The gateway apparatus that middle forwarding and transmission access data is encrypted to accessing data.
For example, first judging whether the content accessed in data is related to privacy of user etc. by SD-WAN controllers 1011, true
When needing encryption surely, control command is generated, controls and the gateway apparatus for accessing data is forwarded and transmitted in internetworking layer 103 to visiting
Ask that data are encrypted.
In addition, encrypted mode can be only arranged to accessing data encryption, can also be to which gateway be forwarded to
The information of device is encrypted, and the access data forwarded in this way can only just be received by specified gateway apparatus, to avoid passing through
The equipment of other gateway apparatus access network steals the access data of forwarding.
It should be noted that these are only for example, not to the technical solution of the application and scope of protection structure
At restriction, those skilled in the art can be configured as needed, not be limited herein.
Physical network layer 102 is specially WAN network.The WAN network is existing each enterprise, manufacturer etc. in the present embodiment
WAN network that is deployed and coming into operation, not redeploys.
Internetworking layer 103 specifically includes several gateway apparatus, which is specially in existing WAN network system
The various gateway devices used, as Internet Protocol " IP " router, multiprotocol label interaction " MPLS ", grouping optics exchange
Machine, Ethernet switch etc. are not intended to realize matching with SD-WAN controllers 1011 for SD-WAN system custom-mades
Gateway device, in Fig. 1 by taking 3 gateway apparatus as an example, and distinguish for convenience respectively with the first gateway apparatus 1031, second
Gateway apparatus 1032 and third gateway apparatus 1033 indicate.
Wherein, any one gateway apparatus includes：First WAN mouthfuls, the 2nd WAN mouthfuls and the 3rd WAN mouthfuls of (above-mentioned 3 WAN
Mouthful, it is not shown in FIG. 1), and any one gateway apparatus by the first WAN mouthful with SD-WAN controllers communication connection,
Logic control circuit is formed, it is logical to form physics by the 3rd WAN mouthfuls and physical network layer physical connection for any one gateway apparatus
Believe that circuit, any two gateway apparatus are connected by the 2nd WAN port communications, forms logical forwarding circuit.
In addition, above-mentioned logic control circuit and logical forwarding circuit specifically can by GRE (Generic Routing Encapsulation,
Generic Routing Encapsulation), IPSec (internet connection protocol, IP Security), VxLAN it is (virtual to expand
Open up LAN, Virtual Extensible Local Area Network) etc. technologies realize, concrete implementation mode, ability
The technical staff in domain can select as needed, not be limited herein.
For the ease of understanding in the application, the operation principle of gateway apparatus, below specifically to WAN mouthfuls of progress of above three
It is bright：
In the present embodiment, the first WAN mouthfuls of interfaces for specifically referring to establish logic control circuit with SD-WAN controllers.
2nd WAN mouthfuls specifically refer to in internetworking layer 103 other gateway apparatus establish for forward access data
Interface, any two gateway apparatus is communicated to connect by the interface so that can be between any two gateway apparatus
Row interconnects, and number will be accessed under the control of SD-WAN controllers so as to make to receive the gateway apparatus for accessing data
According to other gateway apparatus are forwarded to, data transmission will be accessed to physical network layer 102 by other gateway apparatus.
The 3rd WAN mouthfuls of interfaces for specifically referring to the progress data interaction of existing and WAN network, are mainly used for that client layer will be come from
104 access data transmission is to physical network layer 102 (i.e. WAN network).
It should be noted that in practical applications, multiple gateway apparatus in internetworking layer 103 can be same gateway
Equipment, or it is different, it is not limited herein.
In addition, it is noted why each gateway apparatus in the present embodiment in internetworking layer 103 can phase
Mutually forwarding accesses data, is because SD-WAN controllers 1011 compile gateway apparatus all in internetworking layer 103
It translates, gateway apparatus all in internetworking layer 103 is made to have data forwarding attribute, such as by being implanted into program to gateway apparatus
Attribute be compiled.
Client layer 104 specifically includes several user terminals, such as smart mobile phone, tablet computer, laptop, desk-top
The equipment etc. that can be networked in machine, various work stations, no longer enumerates herein.In Fig. 1 by taking 3 user terminals as an example, and
It is indicated respectively with the first user terminal 1041, second user terminal 1042 and third user terminal 1043 in order to facilitate difference.
In addition, it is noted that physical connection described in the present embodiment (adopts indicated by the solid line) mode in Fig. 1, have
Body can be attached by the way of communication bus, optical cable, communicate to connect (adopt and be represented by dashed line in Fig. 1) mode, specifically
Can utilize communication protocol, be communicated as BGP (Border Gateway Protocol, Border Gateway Protocol) is realized.In reality
In, those skilled in the art can Rational choice connection type as needed, be not limited herein.
By foregoing description it is not difficult to find that compared with prior art, the SD-WAN systems provided in the present embodiment, by
A virtual logical network layer is disposed on existing physical network layer (i.e. WAN network), and virtual logical network layer and object are set
Network layer physical connection is managed, is communicated to connect with existing internetworking layer, so that internetworking layer is receiving client layer
When to the access data of physical network layer, access request hair can be generated according to data are accessed, and access request is given virtually
Logical network layer, virtual logical network layer can control internetworking layer after receiving the access request according to access request
Data transmission will be accessed to physical network layer.Based on aforesaid way, easily and efficiently realizes and transform WAN network as SD-
WAN network, and without replacing the equipment in existing network interconnection layer.
The second embodiment of the application is related to a kind of SD-WAN systems.The present embodiment is done on the basis of first embodiment
It is further improved, specific improvements are：Further include SD-WAN managers, concrete structure such as Fig. 2 institutes in virtual logical network layer
Show.
As shown in Fig. 2, the SD-WAN systems in the present embodiment other than including module shown in Fig. 1, are virtually being patrolled
It further includes SD-WAN managers 1012 to collect in network layer 101.
Wherein, SD-WAN managers 1012 and 1011 physical connection of SD-WAN controllers, are mainly used for in client layer 104
User terminal carry out arranging service.
In addition, the SD-WAN managers 1012 in the present embodiment are additionally operable to control SD-WAN controllers to internetworking layer
Each gateway apparatus in 103 carries out network monitoring, and formulates routing policy according to the access request that data generate is accessed.
Specifically, the physics between SD-WAN managers 1012 and SD-WAN controllers 1011 connects in the present embodiment
It connects, can be specifically to be connected to by modes such as communication bus, and be based on network configuration protocol, such as Netconf agreements, IPFIX
(IP traffic information exports, IP Flow Information Export) agreement is communicated.
In addition, the arranging service that SD-WAN managers 1012 carry out the user terminal in client layer 104, can be specifically
In the internetworking layer 103 of the entire SD-WAN systems of determination after how many gateway apparatus, corresponding compiling information is generated, by
SD-WAN controllers 1011 are compiled each gateway apparatus, and according to access request determine access data forwarding to which
When one gateway apparatus, specific arranging service content, those skilled in the art can be configured as needed, herein not
It is limited.
It should be noted that SD-WAN managers 1012 described in the application are intended merely to indicate that the manager can be real
The now formulation of routing policy and the arranging service operation etc. to user terminal, in practical applications, any part function
Equipment, program all can serve as the manager in SD-WAN systems.
In addition, SD-WAN managers 1012 described herein can specifically be deployed in cloud server, or local clothes
It is engaged on device, specifically, those skilled in the art can be arranged as required to, is not limited herein.
In order to which to the SD-WAN systems in the application, there are one clearer, complete understandings, had below in conjunction with Fig. 3
Body explanation.
As shown in figure 3, the SD-WAN controllers and SD-WAN management implement bodies in virtual logical network layer 101 can be point
It is not deployed with the server of corresponding function.
Physical network layer 102 can be specifically that (TD-LTE (timesharing long term evolution) and FDD-LTE (are drilled for a long time by 4G/LTE
Into technology) etc. LTE networks standard general designation), the compositions such as MPLS and broadband internet.
Several frequently seen gateway apparatus is listed in internetworking layer 103, such as router, interchanger, connector.
User terminal in client layer 104 can be connected in portable computer (laptop), work station
Equipment, host of net etc..
It should be noted that these are only for example, not to the technical solution of the application and scope of protection structure
At restriction, those skilled in the art can be configured as needed, not be limited herein.
By foregoing description it is not difficult to find that compared with prior art, the SD-WAN systems provided in the present embodiment, by
Setting and the SD-WAN managers of SD-WAN controller physical connections in virtual logical network layer, will determine routing policy, to
The work that family terminal carries out arranging service transfers to SD-WAN managers to be handled, so as to alleviate the work of SD-WAN controllers
Make pressure so that SD-WAN controllers are in the case that the more data processing amount of access user terminal is larger in SD-WAN systems,
The gateway apparatus in internetworking layer can also fast and accurately be controlled.
The 3rd embodiment of the application is related to a kind of application method of SD-WAN systems, the application method of the SD-WAN systems
The virtual logical network layer being mainly used in SD-WAN systems, detailed process are as shown in Figure 4.
In step 401, the access request that the internetworking layer in SD-WAN systems is sent is obtained.
Specifically, the access request got in the present embodiment is by internetworking layer according to the use in SD-WAN systems
Family layer generates the access data of the physical network layer in SD-WAN systems.
In step 402, according to access request, control internetworking layer will access data transmission to physical network layer.
Specifically, in the present embodiment, according to access request, control internetworking layer will access data transmission to physics
Network layer specifically may be used under type such as and realize：
If only have SD-WAN controllers in virtual logical network layer, directly by SD-WAN controllers according to access request,
Determine routing policy.Then, it is controlled in internetworking layer according to routing policy by SD-WAN controllers and receives access data
Gateway apparatus will access data forwarding to other gateway apparatus, will access data transmission to physical network by other gateway apparatus
Layer.
If in virtual logical network layer further including SD-WAN managers, it can directly transfer to SD-WAN managers according to visit
It asks request, determines routing policy.Alternatively, according to the current occupation condition of SD-WAN controllers, can not locate in time currently
In the case of managing the access request, SD-WAN manager processes are transferred to.
When determining routing policy by SD-WAN managers, SD-WAN managers need to control SD-WAN controllers pair
Each gateway apparatus in internetworking layer carries out network monitoring, the access request formulation routing then generated according to data are accessed
Strategy.
About the mode for determining routing policy, whether SD-WAN controllers or SD-WAN managers may be used
If under type is realized, the current Network status of physical network layer is such as first obtained, in currently idle gateway apparatus, gateway apparatus
Available data transmission critical point, the bandwidth of support and current time bandwidth occupation rate etc..After obtaining above- mentioned information, according to
Network status and network request, determine routing policy.
In addition, in order to enable each gateway apparatus in the present embodiment in internetworking layer to realize that mutually forwarding accesses number
According to, need when building SD-WAN systems, before carrying out data forwarding, by SD-WAN controllers in internetworking layer own
Gateway apparatus compiled, so that gateway apparatus all in internetworking layer is had data forwarding attribute, such as pass through plant
Enter program to be compiled the attribute of gateway apparatus.
In addition, it is necessary to explanation, SD-WAN managers can also carry out arranging service to the user terminal in client layer,
Specific arranged mode can be as described below：
SD-WAN managers first obtain the information and access request of the user terminal in client layer, then according to user terminal
Information and access request, in client layer user terminal carry out arranging service.
It should be noted that these are only for example, not to the technical solution of the application and scope of protection structure
At restriction, those skilled in the art can be configured as needed, not be limited herein.
By foregoing description it is not difficult to find that compared with prior art, the use of the SD-WAN systems provided in the present embodiment
By disposing a virtual logical network layer in existing physical network layer (i.e. WAN network), and virtual logical is arranged in method
Network layer and physical network layer physical connection, can not expire so as to the gateway apparatus of the user terminal requests in client layer
When sufficient user's request, virtual logical network layer, which can control the gateway apparatus, will access what data forwarding can be worked normally to other
Gateway apparatus, and the access data of user are uploaded to physical network layer by the gateway apparatus by that can work normally in time, are being protected
While demonstrate,proving user experience, rational management is carried out to the gateway apparatus in internetworking layer, gateway apparatus is made to obtain to changing greatly
Utilization.
The fourth embodiment of the application is related to a kind of application method of SD-WAN systems.The present embodiment is in 3rd embodiment
On the basis of be further improved, specific improvements are：According to access request, control internetworking layer will access data and pass
It send to before physical network layer, needs first to control the gateway apparatus that access data are forwarded and transmitted in internetworking layer to accessing
Data are encrypted, and detailed process is as shown in Figure 5.
Specifically, in the present embodiment, including step 501 is to step 503, wherein step 501 and step 503 difference
With in 3rd embodiment step 401 and step 402 it is roughly the same, details are not described herein again, mainly introduces difference below, not
The technical detail of detailed description in the present embodiment, reference can be made to the use for the SD-WAN systems that the application 3rd embodiment is provided
The SD-WAN systems that method or the application any embodiment are provided, details are not described herein again.
In step 502, it controls and forwards and transmit the gateway apparatus for accessing data in internetworking layer to accessing data
It is encrypted.
Specifically, which is specially to be completed by the SD-WAN controllers control in virtual logical network layer.
For example, first judging whether the content accessed in data is related to privacy of user etc. by SD-WAN controllers, needed determining
When encrypting, control command is generated, controls and the gateway apparatus for accessing data is forwarded and transmitted in internetworking layer 103 to accessing number
According to being encrypted.
In addition, encrypted mode can be only arranged to accessing data encryption, can also be to which gateway be forwarded to
The information of device is encrypted, and the access data forwarded in this way can only just be received by specified gateway apparatus, to avoid passing through
The equipment of other gateway apparatus access network steals the access data of forwarding.
It should be noted that these are only for example, not to the technical solution of the application and scope of protection structure
At restriction, those skilled in the art can be configured as needed, not be limited herein.
By foregoing description it is not difficult to find that compared with prior art, the use of the SD-WAN systems provided in the present embodiment
Method, according to access request, before control internetworking layer will access data transmission to physical network layer, SD-WAN controllers
It is encrypted by controlling the gateway apparatus that access data are forwarded and transmitted in internetworking layer to accessing data, to ensure
The access data of user terminal requests in client layer do not leak in transmission process, and then ensure that the peace of user information
Entirely.
The 5th embodiment of the application is related to a kind of application method of SD-WAN systems.The application method of the SD-WAN systems
The internetworking layer being mainly used in SD-WAN systems, detailed process are as shown in Figure 6.
In step 601, access of the client layer to the physical network layer in SD-WAN systems in SD-WAN systems is received
Data.
In step 602, access request is generated according to access data, and access request is sent in SD-WAN systems
Virtual logical network layer.
Specifically, in the present embodiment, access request is sent to the virtual logical network layer in SD-WAN systems
Operation specifically may be used such as under type realization, such as by receive access data gateway apparatus using the first WAN mouthful by access
Request is sent to virtual logical network layer, that is, utilizes the virtual logical established with the SD-WAN controllers in virtual route network layer
Access request is sent to virtual logical network layer by control circuit.
In step 603, data transmission will be accessed under the control of virtual logical network layer to physical network layer.
Specifically, in the present embodiment, data transmission will be accessed under the control of virtual logical network layer to Physical Network
Network layers specifically may be used under type such as and realize, true according to virtual logical network layer such as by the gateway apparatus of transmission access request
Fixed routing policy, using the 2nd WAN mouthfuls will access data forwarding to other gateway apparatus, by the third of other gateway apparatus
WAN mouthfuls, data will be accessed and be uploaded to physical network layer.
It should be noted that by the user of the SD-WAN systems applied to internetworking layer provided in this present embodiment
Method needs the application method with the SD-WAN systems applied to virtual logical network layer to be used cooperatively, thus not in the present embodiment
In detailed description technical detail, reference can be made to the application any embodiment provided be applied to SD-WAN systems in network it is mutual
The even application method and SD-WAN systems of the SD-WAN systems of layer, details are not described herein again.
In addition, it is necessary to explanation, what the present embodiment provided is only a kind of concrete implementation scheme, in practical applications,
The work-based logic of each gateway apparatus of internetworking layer, those skilled in the art can be rationally arranged as needed, herein
It is not limited.
By foregoing description it is not difficult to find that compared with prior art, the use of the SD-WAN systems provided in the present embodiment
Method has data forwarding under compiling of the existing physical network layer (i.e. WAN network) according to newly-increased virtual logical network layer
Attribute can be according to void when cannot be satisfied user's request so as to the gateway apparatus of the user terminal requests in client layer
The control instruction of quasi- logical network layer, the gateway apparatus that the access data forwarding that user asks can be worked normally to other,
And the access data of user are uploaded to physical network layer by the gateway apparatus by that can work normally in time, are ensureing user experience
While, rational management has been carried out to the gateway apparatus in internetworking layer, gateway apparatus is made to obtain the utilization to changing greatly.
The sixth embodiment of the application is related to a kind of use device of SD-WAN systems, the use device of the SD-WAN systems
The virtual logical network layer being mainly used in SD-WAN systems, concrete structure are as shown in Figure 7.
As shown in fig. 7, the use device of SD-WAN systems includes mainly：Acquisition module 701 and control module 702.
Wherein, acquisition module 701, the access request for obtaining the transmission of the internetworking layer in SD-WAN systems.Control
Module 702, for according to access request, control internetworking layer will to access data transmission to physical network layer.
It should be noted that in the present embodiment, access request is by internetworking layer according to the use in SD-WAN systems
Family layer generates the access data of the physical network layer in SD-WAN systems.
In addition, it is necessary to explanation, since the present embodiment is virtual bench embodiment corresponding with embodiment of the method, thus
The not technical detail of detailed description in the present embodiment, reference can be made to the application any embodiment provided be applied to SD-WAN systems
The application method of the SD-WAN systems of virtual logical network layer in system, details are not described herein again.
The 7th embodiment of the application is related to a kind of use device of SD-WAN systems, the use device of the SD-WAN systems
The internetworking layer being mainly used in SD-WAN systems, concrete structure are as shown in Figure 8.
As shown in figure 8, the use device of SD-WAN systems includes mainly connecing：Receiving module 801, the first sending module 802
With the second sending module 803.
Wherein, receiving module 801, for receiving the client layer in SD-WAN systems to the physical network in SD-WAN systems
The access data of layer.First sending module 802 for generating access request according to access data, and access request is sent to
Virtual logical network layer in SD-WAN systems.Second sending module 803, for that will be visited under the control of virtual logical network layer
Ask data transmission to physical network layer.
It should be noted that in the present embodiment, the second sending module 803 will access data transmission to physical network layer
When, specific is also to receive the control command that virtual logical network layer issues by receiving module 801, to realize in virtual logical
Data transmission will be accessed under the control of network layer to physical network layer.
In addition, it is necessary to explanation, since the present embodiment is virtual bench embodiment corresponding with embodiment of the method, thus
The not technical detail of detailed description in the present embodiment, reference can be made to the application any embodiment provided be applied to SD-WAN systems
The application method of the SD-WAN systems of internetworking layer in system, details are not described herein again.
In addition, it is necessary to explanation, the apparatus embodiments described above are merely exemplary, not to the application's
Protection domain, which is constituted, to be limited, and in practical applications, those skilled in the art can select according to the actual needs portion therein
Point or whole module achieve the purpose of the solution of this embodiment, be not limited herein.
The 8th embodiment of the application is related to a kind of electronic equipment, and concrete structure is as shown in Figure 9.
Specifically, which can specifically include at least one processor 901；And with it is at least one
The memory 902 and communication component 903, communication component 903 that processor 901 communicates to connect connect under the control of processor 901
Receipts and/or transmission data.Wherein, memory 902 is stored with the instruction that can be executed by least one processor 901, instructs by extremely
A few processor 901 executes, so that at least one processor 901 is able to carry out being applied to of being provided in any of the above-described embodiment
The application method of the SD-WAN systems of virtual logical network layer.
Described electronic equipment can be specifically to have SD-WAN controllers and SD-WAN Manager Features in the present embodiment
Arbitrary electronic equipment, such as PC machine or server (server can be local, can also be cloud server) etc..
It specifically, those skilled in the art can reasonably select as needed, will not enumerate, be also not particularly limited herein.
It should be noted that these are only citing, limit is not constituted to technical scheme of the present invention and scope of protection
It is fixed.
The 9th embodiment of the application is related to a kind of network interconnection apparatus, network interconnection, and concrete structure is as shown in Figure 10.
Specifically, it can specifically include at least one processor 1001 inside the network interconnection apparatus, network interconnection；And at least
The memory 1002 and communication component 1003 of one processor 1001 communication connection, communication component 1003 is in processor 1001
The lower reception of control and/or transmission data.Wherein, memory 1002 is stored with the finger that can be executed by least one processor 1001
It enables, instruction is executed by least one processor 1001, so that at least one processor 1001 is able to carry out any of the above-described embodiment
The application method of the SD-WAN systems applied to internetworking layer of middle offer.
Described network interconnection apparatus, network interconnection can be specifically arbitrary gateway device, such as router, interchanger in the present embodiment.
It specifically, those skilled in the art can reasonably select as needed, will not enumerate, be also not particularly limited herein.
It should be noted that these are only citing, limit is not constituted to technical scheme of the present invention and scope of protection
It is fixed.
In addition, it is noted that in practical applications, the processor in the 8th embodiment and the 9th embodiment can be
CPU (central processing unit, Central Processing Unit), memory can be RAM (readable and writable memory, Random
Access Memory), communication component can be the communication interface with communication function, pin etc..In addition, processor, memory
Can be connected by bus or other modes, Fig. 9 in Figure 10 for being connected by bus.Memory is as a kind of non-easy
The property lost computer readable storage medium, can be used for storing non-volatile software program, non-volatile computer executable program with
And module, as routing policy is stored in memory in the embodiment of the present application.Processor is by running storage in memory
Non-volatile software program, instruction and module realized to execute various function application and the data processing of equipment
The application method of the SD-WAN of virtual logical network layer of the above application in SD-WAN systems, or it is applied to SD-WAN systems
In internetworking layer SD-WAN application method.
Memory may include storing program area and storage data field, wherein storing program area can storage program area, extremely
A few required application program of function；Storage data field can the Save option list etc..In addition, memory may include high speed
Random access memory, can also include nonvolatile memory, a for example, at least disk memory, flush memory device or
Other non-volatile solid state memory parts.In some embodiments, it includes remotely located relative to processor that memory is optional
Memory, these remote memories can pass through network connection to external equipment.The example of above-mentioned network is including but not limited to mutual
Networking, intranet, LAN, mobile radio communication and combinations thereof.
One or more module stores in memory, when being executed by one or more processor, executes above-mentioned
The application method of SD-WAN systems in any means embodiment.
The said goods can perform the method that the embodiment of the present invention is provided, and has the corresponding function module of execution method and has
Beneficial effect, the not technical detail of detailed description in the present embodiment, reference can be made to the method provided in any embodiment of the present invention.
The tenth embodiment of the application is related to a kind of computer readable storage medium, which is that computer can
Storage medium is read, is stored with computer instruction in the computer readable storage medium, which enables a computer to hold
Row realizes making for the SD-WAN of the virtual logical network layer being applied in SD-WAN systems described in any of the above-described embodiment
The application method of SD-WAN with method, or applied to the internetworking layer in SD-WAN systems.
It will be appreciated by those skilled in the art that it is that can pass through to implement the method for the above embodiments
Program is completed to instruct relevant hardware, which is stored in a storage medium, including some instructions are used so that one
A equipment (can be microcontroller, chip etc.) or processor (processor) execute each embodiment the method for the application
All or part of step.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
It will be understood by those skilled in the art that the various embodiments described above are to realize the specific embodiment of the application, and
In practical applications, can to it, various changes can be made in the form and details, without departing from spirit and scope.
Claims (25)
1. a kind of SD-WAN systems, including：Virtual logical network layer, physical network layer, internetworking layer and client layer；
The virtual logical network layer and the physical network layer physical connection, communicate to connect with the internetworking layer；
The internetworking layer and the physical network layer physical connection, connect with the exchanges such as user plane communication；
Wherein, the internetworking layer will be according to institute for receiving access data of the client layer to the physical network layer
It states the access request that access data generate and is sent to the virtual logical network layer, and in the control of the virtual logical network layer
It is lower by the access data transmission to the physical network layer；
The virtual logical network layer, for according to the access request, controlling the internetworking layer by the access data
It is sent to the physical network layer.
2. SD-WAN systems as described in claim 1, wherein the internetworking layer includes several gateway apparatus；
Any one of gateway apparatus includes：First WAN mouthfuls, the 2nd WAN mouthfuls and the 3rd WAN mouthfuls；
Wherein, any one of gateway apparatus is passed through by the described first WAN mouthfuls and SD-WAN controllers communication connection
Described 3rd WAN mouthfuls and the physical network layer physical connection；
Gateway apparatus described in any two is connected by the 2nd WAN port communications.
3. SD-WAN systems as claimed in claim 2, wherein the virtual logical network layer specifically includes：SD-WAN is controlled
Device；
The SD-WAN controllers, for according to the access request, determining routing policy, controlling and connect in the internetworking layer
The gateway apparatus for accessing data is received by the access data forwarding to other gateway apparatus, by other gateway apparatus by institute
It states and accesses data transmission to the physical network layer.
4. SD-WAN systems as claimed in claim 3, wherein the SD-WAN controllers are additionally operable to the network interconnection
All gateway apparatus are compiled in layer, and gateway apparatus all in the internetworking layer is made to have data forwarding attribute.
5. SD-WAN systems as described in claim 3 or 4, wherein the SD-WAN controllers are additionally operable to control the network
The gateway apparatus for accessing data is forwarded and transmitted in interconnection layer the access data are encrypted.
6. the SD-WAN systems as described in claim 3 to 5 any one, wherein the virtual logical network layer further includes：
SD-WAN managers；
The SD-WAN managers and the SD-WAN controllers physical connection, for the user terminal in the client layer into
Row arranging service.
7. SD-WAN systems as claimed in claim 6, wherein the SD-WAN managers are additionally operable to control the SD-WAN
Controller carries out network monitoring, and the visit generated according to the access data to each gateway apparatus in the internetworking layer
Ask that the routing policy is formulated in request.
8. the SD-WAN systems as described in claim 1 to 7 any one, wherein the physical network layer is WAN network.
9. a kind of application method of SD-WAN systems is applied in the SD-WAN systems described in claim 1 to 8 any one
Virtual logical network layer；The application method of the SD-WAN systems includes：
Obtain the access request that the internetworking layer in the SD-WAN systems is sent；Wherein, the access request is by the net
Network interconnection layer is according to the client layer in the SD-WAN systems to the access data of the physical network layer in the SD-WAN systems
It generates；
According to the access request, the internetworking layer is controlled by the access data transmission to the physical network layer.
10. the application method of SD-WAN systems as claimed in claim 9, wherein it is described according to the access request, control institute
Internetworking layer is stated by the access data transmission to the physical network layer, is specifically included：
SD-WAN controllers in the virtual logical network layer determine routing policy according to the access request；
The SD-WAN controllers control according to the routing policy and receive the access data in the internetworking layer
Gateway apparatus by the access data forwarding to other gateway apparatus, by other gateway apparatus by the access data transmission extremely
The physical network layer.
11. the application method of SD-WAN systems as claimed in claim 10, wherein it is described according to the access request, it determines
Routing policy specifically includes：
The SD-WAN controllers obtain the current Network status of the physical network layer；
The SD-WAN controllers determine the routing policy according to the Network status and the network request.
12. the application method of the SD-WAN systems as described in claim 9 to 11 any one, wherein according to the access
Request, controls the internetworking layer by before the access data transmission to the physical network layer, the SD-WAN systems
Application method further include：
The SD-WAN controllers, which control, forwards and transmits the gateway apparatus pair for accessing data in the internetworking layer
The access data are encrypted.
13. the application method of the SD-WAN systems as described in claim 9 to 12 any one, wherein according to the access
Request, controls the internetworking layer by before the access data transmission to the physical network layer, the SD-WAN systems
Application method further include：
The SD-WAN controllers are compiled gateway apparatus all in the internetworking layer, make the internetworking layer
In all gateway apparatus have data forwarding attribute.
14. the application method of the SD-WAN systems as described in claim 9 to 13 any one, wherein the SD-WAN systems
Application method further include：
SD-WAN managers in the virtual logical network layer carry out arranging service to the user terminal in the client layer.
15. the application method of SD-WAN systems as claimed in claim 14, wherein the SD-WAN managers are to the user
User terminal in layer carries out arranging service, specifically includes：
The SD-WAN managers obtain the information of the user terminal in the client layer and the access request, and according to described
The information of user terminal and the access request carry out arranging service to the user terminal in the client layer.
16. the application method of the SD-WAN systems as described in claims 14 or 15, wherein the SD-WAN managers are according to institute
The information of user terminal and the access request are stated, it is described after carrying out arranging service to the user terminal in the client layer
The application method of SD-WAN systems further includes：
The SD-WAN managers control the SD-WAN controllers and are carried out to each gateway apparatus in the internetworking layer
Network monitoring, and the routing policy is formulated according to the access request that the access data generate.
17. a kind of application method of SD-WAN systems is applied in the SD-WAN systems described in claim 1 to 8 any one
Internetworking layer；The application method of the SD-WAN systems includes：
Receive access data of the client layer in the SD-WAN systems to the physical network layer in the SD-WAN systems；
Access request is generated according to the access data, and the access request is sent to virtual in the SD-WAN systems
Logical network layer；
By the access data transmission to the physical network layer under the control of the virtual logical network layer.
18. the application method of SD-WAN systems as claimed in claim 17, wherein described that the access request is sent to institute
The virtual logical network layer in SD-WAN systems is stated, is specifically included：
Receive it is described access data gateway apparatus using the first WAN mouthfuls the access request is sent to the virtual logical
Network layer.
19. the application method of the SD-WAN systems as described in claim 17 or 18, wherein described in the virtual logical network
The access data transmission is specifically included to the physical network layer under the control of layer：
The gateway apparatus for sending the access request utilizes second according to the routing policy that the virtual logical network layer determines
WAN mouthfuls by the access data forwarding to other gateway apparatus, by the 3rd WAN mouthfuls of other gateway apparatus, by the visit
Ask that data are uploaded to the physical network layer.
20. a kind of use device of SD-WAN systems is applied in the SD-WAN systems described in claim 1 to 8 any one
Virtual logical network layer；The use device of the SD-WAN systems includes：Acquisition module and control module；
The acquisition module, the access request for obtaining the transmission of the internetworking layer in the SD-WAN systems；Wherein, described
Access request is by the internetworking layer according to the client layer in the SD-WAN systems to the physics in the SD-WAN systems
The access data of network layer generate；
The control module controls the internetworking layer by the access data transmission extremely for according to the access request
The physical network layer.
21. a kind of use device of SD-WAN systems is applied in the SD-WAN systems described in claim 1 to 8 any one
Internetworking layer；The use device of the SD-WAN systems includes：Receiving module, the first sending module and second send mould
Block；
The receiving module, for receiving the client layer in the SD-WAN systems to the physical network in the SD-WAN systems
The access data of layer；
First sending module for generating access request according to the access data, and the access request is sent to
Virtual logical network layer in the SD-WAN systems；
Second sending module, under the control of the virtual logical network layer by the access data transmission to described
Physical network layer.
22. a kind of electronic equipment, including：
At least one processor；And
The memory being connect at least one processor communication；Wherein,
The memory is stored with the instruction that can be executed by least one processor, and described instruction is by least one place
It manages device to execute, so that at least one processor is able to carry out the SD-WAN systems as described in claim 9 to 16 any one
The application method of system.
23. a kind of network interconnection apparatus, network interconnection, including：
At least one processor；And
The memory being connect at least one processor communication；Wherein,
The memory is stored with the instruction that can be executed by least one processor, and described instruction is by least one place
It manages device to execute, so that at least one processor is able to carry out the SD-WAN systems as described in claim 17 to 19 any one
The application method of system.
24. a kind of computer readable storage medium, computer program, the meter are stored in the computer readable storage medium
The application method of the SD-WAN systems as described in claim 9 to 16 any one is realized when calculation machine program is executed by processor.
25. a kind of computer readable storage medium, computer program, the meter are stored in the computer readable storage medium
The application method of the SD-WAN systems as described in claim 17 to 19 any one is realized when calculation machine program is executed by processor.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/079701 WO2019178756A1 (en) | 2018-03-21 | 2018-03-21 | Sd-wan system, use method of sd-wan system, and related apparatus |
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| CN108713309B CN108713309B (en) | 2021-04-16 |
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| WO2019178756A1 (en) | 2019-09-26 |
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