CN104184663B - Communication means and device based on software defined network and integrated identification network - Google Patents
Communication means and device based on software defined network and integrated identification network Download PDFInfo
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- CN104184663B CN104184663B CN201410341638.1A CN201410341638A CN104184663B CN 104184663 B CN104184663 B CN 104184663B CN 201410341638 A CN201410341638 A CN 201410341638A CN 104184663 B CN104184663 B CN 104184663B
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- route distinguisher
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Abstract
The invention discloses a kind of communication means and device based on software defined network and integrated identification network, belong to network technique field.Method includes：When controller has been established with access forwarding unit to be connected, the facility information of access forwarding unit is received；According to the facility information of each access forwarding unit connected, full mesh topology structure is generated；According to full mesh topology structure, routing table is generated；Routing table is sent to access forwarding unit so that access forwarding unit, according to the purpose Route Distinguisher table of query and routing of packet, determines forward-path when receiving packet, based on purpose Route Distinguisher and forward-path forwarding packet.The present invention is separated control plane with datum plane by introducing controller in integrated identification network, is run Routing Protocol without the access forwarding unit, is reduced amount of calculation, save the time, improve search efficiency, realize the flexible control to the whole network.
Description
Technical field
It is more particularly to a kind of based on software defined network and integrated identification network the present invention relates to network technique field
Communication means and device.
Background technology
Traditional internet designs for fixed terminal, and IP (Internet Protocol, Internet protocol) address can
With the attribute such as identity and position for representing fixed terminal user, but with the increasingly expansion and shifting of internet scale simultaneously
The popularization of dynamic terminal, it is all that the double attribute of IP address causes route scalability problem, mobility problem, safety issue etc.
More problems.It is proposed to this end that the architecture of integrated identification network, introduces access mark and the concept of Route Distinguisher,
The identity of user is represented in access network using access mark, the position of user is represented using Route Distinguisher in the core network, will move
The identity of dynamic terminal and position separation, fundamentally solve the problems, such as IP address double attribute, improve network service quality,
Improve network performance.
In integrated identification network, the packet of access forwarding unit receiving terminal transmission, the packet carries source and connect
Inlet identity and purpose access mark, then the mapping relations that the access forwarding unit is identified between Route Distinguisher according to accessing, obtain
Take source routing mark corresponding to source access mark, and purpose Route Distinguisher corresponding to purpose access mark, road of reruning
By agreement, the routing iinformation of the access forwarding unit adjacent with the access forwarding unit is obtained, it is all further to obtain other
The routing iinformation of forwarding unit is accessed, according to the routing iinformation got, determines that the access forwarding unit is marked with target route
The forward-path between purpose access forwarding unit belonging to knowing, based on the forward-path, turns to purpose access forwarding unit
Send out the packet.
During Routing Protocol is run, each forwarding unit that accesses can only obtain the route of neighboring access forwarding unit
Information, then set when searching the forward-path between purpose access forwarding unit, it is necessary to obtain neighboring access forwarding step by step
Standby facility information, until getting the facility information of purpose access forwarding unit, amount of calculation is very big, and the consuming time is excessive,
Search efficiency is very low.
The content of the invention
In order to solve problem of the prior art, the embodiments of the invention provide one kind to be based on software defined network and integration
Identify the communication means and device of network.The technical scheme is as follows：
First aspect, there is provided a kind of communication means based on software defined network and integrated identification network, the side
Method includes：
When controller has been established with access forwarding unit to be connected, the controller receives the access forwarding unit and uploaded
Facility information；
According to the facility information of each access forwarding unit connected, full mesh topology structure is generated；
According to the full mesh topology structure, generate routing table, the routing table be used to representing the access forwarding unit with
Forward-path in the full mesh topology structure between other access forwarding units；
The routing table is sent to the access forwarding unit so that the access forwarding unit is receiving packet
When, the routing table is inquired about according to the purpose Route Distinguisher of the packet, determines forward-path, is route and marked based on the purpose
Know and the forward-path forwards the packet.
Second aspect, there is provided a kind of communication means based on software defined network and integrated identification network, the side
Method includes：
When access forwarding unit has been established with controller to be connected, the access forwarding unit is sent to the controller to be set
Standby information so that when the controller receives the facility information, according to the equipment of each access forwarding unit connected
Information generates full mesh topology structure, according to the full mesh topology structural generation routing table, is sent to the access forwarding unit；
The access forwarding unit receives the routing table, and the routing table is used to represent the access forwarding unit and institute
State the forward-path between other access forwarding units in full mesh topology structure；
Upon reception of the data packet, purpose Route Distinguisher corresponding with the purpose of packet access mark is obtained；
The routing table is inquired about according to the purpose Route Distinguisher, determines forward-path；
Based on the forward-path and the purpose Route Distinguisher, the packet is forwarded.
The third aspect, there is provided a kind of communicator based on software defined network and integrated identification network, the dress
Setting in controller, described device includes：
Facility information receiving module, for when with access forwarding unit established be connected when, receive it is described access forwarding set
The standby facility information uploaded；
Topological structure generation module, for the facility information according to each access forwarding unit connected, generate the whole network
Topological structure；
Routing table generation module, for according to the full mesh topology structure, generating routing table, the routing table is used to represent
Forward-path in the access forwarding unit and the full mesh topology structure between other access forwarding units；
Routing table sending module, for sending the routing table to the access forwarding unit so that the access forwarding
Equipment inquires about the routing table when receiving packet, according to the purpose Route Distinguisher of the packet, determines forward-path,
The packet is forwarded based on the purpose Route Distinguisher and the forward-path.
Fourth aspect, there is provided a kind of communicator based on software defined network and integrated identification network, the dress
Put including：
Facility information sending module, for when established with controller be connected when, to the controller send facility information,
During so that the controller receiving the facility information, generated according to the facility information of each access forwarding unit connected
Full mesh topology structure, according to the full mesh topology structural generation routing table, it is sent to the access forwarding unit；
Routing table receiving module, for receiving the routing table, the routing table is used to represent the access forwarding unit
With the forward-path between other access forwarding units in the full mesh topology structure；
Purpose Route Distinguisher acquisition module, for upon reception of the data packet, obtaining and being accessed with the purpose of the packet
Purpose Route Distinguisher corresponding to mark；
Enquiry module, for inquiring about the routing table according to the purpose Route Distinguisher, determine forward-path；
Forwarding module, for based on the forward-path and the purpose Route Distinguisher, forwarding the packet.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
Method and apparatus provided in an embodiment of the present invention, by introducing controller in integrated identification network, it will control
Plane is separated with datum plane, and the facility information of each access forwarding unit connected is obtained by controller, and generation the whole network is opened up
Structure is flutterred, according to the full mesh topology structure, routing table is generated, is sent to the access forwarding unit, then when the access forwarding unit
When receiving packet, the routing table can be directly inquired about, determines forward-path, without running Routing Protocol, reduce meter
Calculation amount, saves the time, improves search efficiency, realizes the flexible control to the whole network.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of communication means based on software defined network and integrated identification network provided in an embodiment of the present invention
Flow chart；
Fig. 2 is a kind of communication means based on software defined network and integrated identification network provided in an embodiment of the present invention
Flow chart；
Fig. 3 is a kind of communication means based on software defined network and integrated identification network provided in an embodiment of the present invention
Flow chart；
Fig. 4 is a kind of communication system based on software defined network and integrated identification network provided in an embodiment of the present invention
Structural representation；
Fig. 5 is a kind of communicator based on software defined network and integrated identification network provided in an embodiment of the present invention
Structural representation；
Fig. 6 is a kind of communicator based on software defined network and integrated identification network provided in an embodiment of the present invention
Structural representation.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
The related content being related to for convenience of description in the embodiment of the present invention, says to software defined network first
It is bright：
Software defined network is a kind of new network framework, and core technology is OpenFlow networks, OpenFlow network masters
To be made up of OpenFlow interchangers and controller two parts, OpenFlow interchangers are used for the forwarding of datum plane, controller
For carrying out centralized Control to network, the function of control plane is realized, OpenFlow interchangers are with controller in escape way
Communicated based on OpenFlow agreements.OpenFlow networks are by the way that the control plane of the network equipment is separated with datum plane
Come, realize the flexible control of network traffics.
Fig. 1 is a kind of communication means based on software defined network and integrated identification network provided in an embodiment of the present invention
Flow chart.The executive agent of the inventive embodiments is controller, and referring to Fig. 1, this method includes：
101st, when controller has been established with access forwarding unit to be connected, the controller receives access forwarding unit upload
Facility information.
102nd, according to the facility information of each access forwarding unit connected, full mesh topology structure is generated.
103rd, according to the full mesh topology structure, routing table is generated, the routing table is used to represent the access forwarding unit with being somebody's turn to do
Forward-path in full mesh topology structure between other access forwarding units.
104th, send the routing table to the access forwarding unit so that the access forwarding unit when receiving packet,
The routing table is inquired about according to the purpose Route Distinguisher of the packet, determines forward-path, based on the purpose Route Distinguisher and this turn
Hair path forwards the packet.
Method provided in an embodiment of the present invention, by introducing controller in integrated identification network, by control plane with
Datum plane is separated, and the facility information of each access forwarding unit connected is obtained by controller, generates full mesh topology structure,
According to the full mesh topology structure, routing table is generated, is sent to the access forwarding unit, then when the access forwarding unit receives number
During according to bag, the routing table can be directly inquired about, determines forward-path, without running Routing Protocol, reduced amount of calculation, save
Time, search efficiency is improved, realize the flexible control to the whole network.
Alternatively, this method also includes：
The controller receives the Route Distinguisher inquiry request of access forwarding unit transmission, and the Route Distinguisher inquiry request is taken
Purpose access mark with the packet；
According to the mapping relations between the access mark of each access forwarding unit and Route Distinguisher, determine that the purpose accesses
Purpose Route Distinguisher corresponding to mark；
The purpose Route Distinguisher is sent to the access forwarding unit so that the access forwarding unit route according to the purpose and marked
Know and inquire about the routing table, determine the forward-path, the packet is forwarded based on the purpose Route Distinguisher and the forward-path.
Alternatively, this method also includes：
The controller is that the access forwarding unit distributes Route Distinguisher pond, and the Route Distinguisher pond includes multiple route marks
Know；
Send the Route Distinguisher pond to the access forwarding unit so that the access forwarding unit according to the Route Distinguisher pond,
Distribution Route Distinguisher is identified for access, the mapping relations established between access mark and Route Distinguisher, when receiving the packet
When, according to the mapping relations, determine that source routing corresponding to the source access mark of the packet identifies, identified based on the source routing,
With the purpose Route Distinguisher and the forward-path, the packet is forwarded.
Alternatively, this includes according to the full mesh topology structure, generation routing table：
For the first access forwarding unit and the second access forwarding unit, the controller is according to the full mesh topology structure, really
Forward-path between the fixed first access forwarding unit and the second access forwarding unit；
According to the first Route Distinguisher pond of the first access forwarding unit, the secondary route mark of the second access forwarding unit
Know pond and the forward-path, generate routing table, the routing table is used to identify with the first Route Distinguisher pond and the secondary route
Pond is index, inquires about the forward-path.
Above-mentioned all optional technical schemes, any combination can be used to form the alternative embodiment of the present invention, herein no longer
Repeat one by one.
Fig. 2 is a kind of communication means based on software defined network and integrated identification network provided in an embodiment of the present invention
Flow chart.The executive agent of the inventive embodiments is access forwarding unit, and referring to Fig. 2, this method includes：
201st, when access forwarding unit has been established with controller to be connected, the access forwarding unit sends to the controller and set
Standby information so that when the controller receives the facility information, according to the facility information of each access forwarding unit connected
Full mesh topology structure is generated, according to the full mesh topology structural generation routing table, is sent to the access forwarding unit.
202nd, the access forwarding unit receives the routing table, and the routing table is used to represent the access forwarding unit and the whole network
Forward-path in topological structure between other access forwarding units.
203rd, upon reception of the data packet, purpose Route Distinguisher corresponding with the purpose of packet access mark is obtained.
204th, the routing table is inquired about according to the purpose Route Distinguisher, determines forward-path.
205th, based on the forward-path and the purpose Route Distinguisher, the packet is forwarded.
Method provided in an embodiment of the present invention, by introducing controller in integrated identification network, by control plane with
Datum plane is separated, and the facility information of each access forwarding unit connected is obtained by controller, generates full mesh topology structure,
According to the full mesh topology structure, routing table is generated, is sent to the access forwarding unit, then when the access forwarding unit receives number
During according to bag, the routing table can be directly inquired about, determines forward-path, without running Routing Protocol, reduced amount of calculation, save
Time, search efficiency is improved, realize the flexible control to the whole network.
Alternatively, the routing table is used to, using the Route Distinguisher pond of two access forwarding units as index, inquire about this two and connect
Enter the forward-path between forwarding unit,
Accordingly, this inquires about the routing table according to the purpose Route Distinguisher, determines that forward-path includes：
The access forwarding unit judges each road in addition to the Route Distinguisher pond of the access forwarding unit in the routing table
By identifying in pond whether include the purpose Route Distinguisher；
When specified Route Distinguisher pond includes the purpose Route Distinguisher, with the Route Distinguisher pond of the access forwarding unit and
This specifies Route Distinguisher pond to inquire about the routing table for index, determine forward-path.
Alternatively, acquisition purpose Route Distinguisher corresponding with the purpose access mark of the packet includes：
The access forwarding unit sends Route Distinguisher inquiry request to the controller, and the Route Distinguisher inquiry request carries should
The purpose access mark of packet so that between access mark and Route Distinguisher of the controller according to each access forwarding unit
Mapping relations, determine the purpose access mark corresponding to purpose Route Distinguisher, return to the access forwarding unit；
The access forwarding unit receives the purpose Route Distinguisher.
Alternatively, this method also includes：
The access forwarding unit obtains the source access mark of the packet；
According to the mapping relations between access mark and Route Distinguisher, source routing mark corresponding to source access mark is determined
Know；
Based on source routing mark, the purpose Route Distinguisher and the forward-path, the packet is forwarded.
Alternatively, this is determined corresponding to source access mark according to the mapping relations between access mark and Route Distinguisher
Before source routing mark, this method also includes：
The access forwarding unit receives the Route Distinguisher pond of controller distribution, and the Route Distinguisher pond includes multiple routes
Mark；
According to the Route Distinguisher pond, for each access mark distribution Route Distinguisher, establish access mark and Route Distinguisher it
Between mapping relations.
Above-mentioned all optional technical schemes, any combination can be used to form the alternative embodiment of the present invention, herein no longer
Repeat one by one.
Fig. 3 is a kind of communication means based on software defined network and integrated identification network provided in an embodiment of the present invention
Flow chart.The interaction agent of the inventive embodiments is controller and access forwarding unit, and referring to Fig. 3, this method includes：
301st, when access forwarding unit has been established with controller to be connected, the access forwarding unit sends to the controller and set
Standby information.
Wherein, the access forwarding unit can be gateway or router, and such as ASR, (Access Switch Router, connect
Enter TSR) etc., the facility information of the access forwarding unit includes address information, hardware configuration information, present load letter
Breath and port information etc., the present embodiment is not limited this.The access forwarding unit can be established with controller and connected, the control
Device can generate full mesh topology structure according to the facility information of the access forwarding unit each connected.
Alternatively, the controller is based on OpenFlow agreements with the access forwarding unit and carries out information exchange, i.e., when the control
When device processed is to access forwarding unit transmission packet, first according to OpenFlow agreements, the packet is packaged, connect to this
Enter forwarding unit and send the packet after encapsulation, when the access forwarding unit receives the packet of controller transmission, root
After being decapsulated according to OpenFlow agreements to the packet, original packet is obtained.Wherein, the controller can be in the number
The packet header of OpenFlow protocol definitions is added according to the head of bag, to be packaged to the packet.The access forwarding unit is based on
The process that OpenFlow agreements send packet to the controller is similar, will not be repeated here.
302nd, when the controller receives the facility information, Route Distinguisher pond, the road are distributed for the access forwarding unit
Include multiple Route Distinguisher by identifying pond.
In integrated identification network, the access forwarding unit is the access mark distribution Route Distinguisher of terminal, should to work as
It is Route Distinguisher by the access identity map of the packet, based on the Route Distinguisher when access forwarding unit receives packet
Carry out routing forwarding.In embodiments of the present invention, multiple Route Distinguisher are uniformly generated by the controller, and forwarded for each access
Equipment distribution Route Distinguisher pond, each Route Distinguisher pond include multiple Route Distinguisher, so that the access forwarding unit is from the road
Route Distinguisher is chosen by identifying in pond, distributes to terminal.
Alternatively, multiple Route Distinguisher in the Route Distinguisher pond are continuous, are specifically as follows the numbering of multiple Route Distinguisher
Continuously or title is continuous etc..Then the controller can be access forwarding unit distribution starting Route Distinguisher and terminate route mark
Know, then multiple continuous Route Distinguisher in the range of the Route Distinguisher that the starting Route Distinguisher and the termination Route Distinguisher determine are equal
Distribute to the access forwarding unit.
303rd, the controller generates full mesh topology structure according to the facility information of each access forwarding unit connected,
According to the full mesh topology structure, routing table is generated.
In embodiments of the present invention, the controller can be established with multiple access forwarding units and connected, and acquisition has each connected
The facility information of the access forwarding unit connect, the controller can generate the full mesh topology knot according to the facility information got
Structure, the full mesh topology structure include the path between any two neighboring access forwarding units.
Alternatively, it is complete to generate this dynamically according to the facility information of each access forwarding unit connected for the controller
Net topology structure.That is, after the controller generates the full mesh topology structure, whenever the controller and a new access forwarding unit
When establishing connection, the controller according to this it is new access forwarding unit facility information, update the full mesh topology structure, it is complete at this
The new access forwarding unit is added in net topology structure；And established whenever the controller disconnects between an access forwarding unit
Connection when, according to this disconnect access forwarding unit facility information, update the full mesh topology structure, opened up from the whole network
Flutter in structure and delete the access forwarding unit disconnected.
In embodiments of the present invention, the routing table is used to represent the access forwarding unit and other in the full mesh topology structure
The forward-path accessed between forwarding unit.The controller can generate any access forwarding and set according to the full mesh topology structure
Standby corresponding routing table, it is sent to corresponding access forwarding unit.Certainly, the controller can also only generate a global route
Table, the global routing table include the forward-path between any two access forwarding units in the full mesh topology structure, the control
The global routing table can be sent to each access forwarding unit by device processed.
Alternatively, for the first access forwarding unit in the full mesh topology structure and the second access forwarding unit,
The controller determines to turn between the first access forwarding unit and the second access forwarding unit according to the full mesh topology structure
Path is sent out, according to the first Route Distinguisher pond of the first access forwarding unit, the secondary route mark of the second access forwarding unit
Know pond and the forward-path, generate routing table, the routing table includes the first Route Distinguisher pond, secondary route mark pond
With the mapping relations between the forward-path, and the routing table be used for the first Route Distinguisher pond and the secondary route mark pond
For index, the forward-path is inquired about.
Forwarding of the OpenFlow interchangers for packet is carried out based on flow table, and the flow table needs to match 12 tuples,
Different source addresses and destination address will configure different flow table items, and therefore, the flow table item in flow table is very tediously long, it is difficult to poly-
Close.And in the embodiment of the present invention, Route Distinguisher is polymerize by the routing table, using Route Distinguisher pond as index, without with road
By being identified as index, the quantity of list item in routing table is greatly simplified.
Still optionally further, the controller is according between the first access forwarding unit and the second access forwarding unit
The hardware configuration information and current load information of each access forwarding unit, determine the forward-path.In the full mesh topology structure
In, forward-path between the first access forwarding unit and the second access forwarding unit may have multiple, the then controller
Can according on the plurality of forward-path each access forwarding unit hardware configuration information and current load information, it is determined that including
Multiple access forwarding units current processing capabilities highest forward-path, so as to subsequently based on the forward-path forward number
During according to bag, speed packet transmission is improved, realizes the load balancing of access forwarding unit.In addition, in the first access forwarding
During equipment and the second access forwarding unit mutual data transmission bag, forwarding unit is accessed on forward-path in order to reduce
Burden, this first access forwarding unit to this second access forwarding unit forward-path and this second access forwarding unit arrive
The forward-path of the first access forwarding unit can be different.
For example, the Route Distinguisher pond that the controller is the A distribution of access forwarding unit is { A1, A2, A3, A4 }, turn for access
The Route Distinguisher pond of hair equipment B distribution is { B1, B2, B3, B4 }, and access forwarding unit A determined by the controller turns to access
The forward-path sent out between equipment B is " A-C-D-B ", and the forward-path between access forwarding unit B to access forwarding unit A is
" B-D-E-A ", then the controller generation routing table can with as shown in table 1 below,
Table 1
| Source routing identifies pond | Purpose Route Distinguisher pond | Forward-path |
| { A1, A2, A3, A4 } | { B1, B2, B3, B4 } | A-C-D-B |
| { B1, B2, B3, B4 } | { A1, A2, A3, A4 } | B-D-E-A |
304th, the controller sends the routing table and the Route Distinguisher pond to the access forwarding unit.
305th, when the access forwarding unit receives the routing table and the Route Distinguisher pond, the routing table and the road are stored
By identifying pond.
The controller sends the Route Distinguisher pond to the access forwarding unit, and the access forwarding unit stores the Route Distinguisher
Pond, to distribute Route Distinguisher according to the Route Distinguisher pond.The controller sends the routing table to the access forwarding unit, and this connects
Enter forwarding unit and store the routing table, upon reception of the data packet, the forwarding road of the packet to be determined according to the routing table
Footpath.
306th, the access forwarding unit is according to the Route Distinguisher pond, and for each access mark distribution Route Distinguisher, foundation connects
Mapping relations between inlet identity and Route Distinguisher.
In embodiments of the present invention, the access forwarding unit is each terminal distribution access mark, then when the access forwards
When equipment receives Route Distinguisher pond, you can according to the Route Distinguisher pond, for allocated each access mark distribution route mark
Know, the mapping relations established between access mark and Route Distinguisher.Or the access forwarding unit first stores the Route Distinguisher
Pond, when the access forwarding unit receives packet, and determines the access mark distribution Route Distinguisher also not to the packet,
From the Route Distinguisher pond in remaining multiple Route Distinguisher, choose a Route Distinguisher and distribute to access mark, and establish
The access identifies the mapping relations between the Route Distinguisher.
307th, when the access forwarding unit receives the packet of terminal, the source access mark and mesh of the packet are obtained
Access mark, according to the mapping relations, obtain source routing mark corresponding to source access mark.
In embodiments of the present invention, when source terminal wishes to send packet to purpose terminal, purpose end can first be determined
The purpose access mark at end, the packet is sent to the access forwarding unit, and the packet carries the source access mark of the source terminal
Know and the access of the purpose of the purpose terminal identifies, when the access forwarding unit receives the packet, to each in the packet
The information of individual field is parsed, and can get source access mark and purpose access mark.
Wherein, the source terminal is connected with the access forwarding unit, and the access forwarding unit is source access mark distribution source
Route Distinguisher, then the access forwarding unit can according to the mapping relations, be directly obtained the source access mark corresponding to source road
By identifying.And the purpose terminal may be connected with the access forwarding unit, the access forwarding unit can not know the purpose
Purpose Route Distinguisher corresponding to access mark, now, the access forwarding unit need to inquire about purpose route mark from the controller
Know.Certainly, when the access forwarding unit lost the mapping relations, inquire about less than source routing mark corresponding to source access mark
When, source routing mark can also be inquired about from the controller.
It should be noted that the embodiment of the present invention is only said by taking the packet that source terminal is sent to purpose terminal as an example
Bright, in fact, the source terminal may also wish to send packet to destination server, then the access forwarding unit takes to the purpose
The purpose access forwarding unit that business device is connected forwards the packet, repeating process and the repeating process class in the embodiment of the present invention
Seemingly.
308th, the access forwarding unit sends Route Distinguisher inquiry request to the controller, and the Route Distinguisher inquiry request is taken
Access and identify with the purpose.
309th, when the controller receives the Route Distinguisher inquiry request, according to the access mark of each access forwarding unit
Know the mapping relations between Route Distinguisher, determine purpose Route Distinguisher corresponding to purpose access mark.
In embodiments of the present invention, each access forwarding unit is establishing the mapping between access mark and Route Distinguisher
During relation, the mapping relations established are sent to the controller, then the controller can store each access forwarding unit and be built
Vertical mapping relations.When the access forwarding unit does not get the purpose Route Distinguisher, it can send and route to the controller
Inquiry request is identified, the Route Distinguisher inquiry request carries purpose access mark, then when the controller receives the route mark
When knowing inquiry request, you can the mapping relations established according to each access forwarding unit, determine that purpose access mark is corresponding
Purpose Route Distinguisher.
In addition, the access forwarding unit directly can also send the packet to the controller, the packet carries the mesh
Access mark, when the controller receives the packet, according to each mapping relations for being established of access forwarding unit, really
Purpose Route Distinguisher corresponding to fixed purpose access mark.Further, when the controller receives the packet, to the number
Be authenticated according to bag, certification by when, according to each mapping relations for being established of access forwarding unit, determine purpose access mark
Purpose Route Distinguisher corresponding to knowledge.
Because the Route Distinguisher inquiry request that the controller receives has encapsulated, then the controller can not determine that the access turns
In the request that hair equipment is sent the mark that carries is access mark or Route Distinguisher, and the controller can not be it is determined that inquiry
It is Route Distinguisher corresponding to access mark, or access identifies corresponding to Route Distinguisher.Therefore, the access forwarding unit is to local
Port classified, port is divided into access port and route mouth, what the packet received from the access port carried is to connect
Inlet identity, what the packet received from the route mouth carried is Route Distinguisher.The access forwarding unit is by the class of each port
Type information is sent to the controller, and the controller records the type information of each port of the access forwarding unit, when the access
Forwarding unit can not inquire corresponding to the Route Distinguisher of packet access mark, or can not inquire access mark institute it is right
During the Route Distinguisher answered, the packet can be sent to the controller, and receives the type information of the port of the packet,
When the controller receives the packet and the type information, the mark of packet carrying is obtained, and according to the type information
It is access mark or Route Distinguisher to determine the mark, and when it is determined that the mark is access mark, the controller is according to the mapping
Relation determines Route Distinguisher corresponding to the mark, and when it is determined that the mark is Route Distinguisher, the controller is according to the mapping relations
Determine access mark corresponding to the mark.
310th, the controller sends the purpose Route Distinguisher to the access forwarding unit.
311st, when the access forwarding unit receives the purpose Route Distinguisher, the road is inquired about according to the purpose Route Distinguisher
By table, forward-path is determined.
In embodiments of the present invention, the routing table is used to, using the Route Distinguisher pond of two access forwarding units as index, look into
The forward-path between this two access forwarding units is ask, then accordingly, when the access forwarding unit receives purpose route
During mark, judge whether wrapped in each Route Distinguisher pond in the routing table in addition to the Route Distinguisher pond of the access forwarding unit
The purpose Route Distinguisher is included, when specified Route Distinguisher pond includes the purpose Route Distinguisher, with the road of the access forwarding unit
It is index by identifying pond and the specified Route Distinguisher pond, inquires about the routing table, determine forward-path, that is to say, determine the access
Forward-path corresponding to the Route Distinguisher pond of forwarding unit and the specified Route Distinguisher pond.
Referring to table 1, it is assumed that the source routing of the packet is identified as A1, and purpose Route Distinguisher is B2, then access forwarding is set
It is standby to judge that source routing mark A1 belongs to Route Distinguisher pond { A1, A2, A3, A4 } according to the routing table, purpose Route Distinguisher B2
Belong to Route Distinguisher pond { B1, B2, B3, B4 }, then the access forwarding unit with Route Distinguisher pond { A1, A2, A3, A4 }, B1, B2,
B3, B4 } to index, it is " A-C-D-B " to determine forward-path.
312nd, the access forwarding unit is based on source routing mark, the purpose Route Distinguisher and the forward-path, and forwarding should
Packet.
The access forwarding unit is according to the forward-path, to the purpose access forwarding unit hair belonging to the purpose Route Distinguisher
The packet is given, the packet carries source routing mark and the purpose Route Distinguisher, when purpose access forwarding unit receives
During to the packet, purpose access mark corresponding to the purpose Route Distinguisher can be obtained, is accessed and identified based on the purpose, to this
Purpose terminal sends the packet.
Alternatively, source access is stored in the source identification field in the packet to identify, the purpose mark in the packet
Purpose access mark is stored in field, then the source routing is identified and write in the source identification field by the access forwarding unit, is replaced
Source access mark is changed, the purpose Route Distinguisher is write in the purpose mark field, replaces purpose access mark, then the number
According to carried in bag the source routing mark and the purpose Route Distinguisher.
, can when purpose access forwarding unit receives the response data packet of purpose terminal transmission in subsequent process
It is using the purpose Route Distinguisher by source routing mark as this repeating process, the purpose Route Distinguisher is forwarded over as this
The source routing mark of journey, the response data packet is forwarded to the access forwarding unit.Wherein purpose access forwarding unit determines to turn
The step of the step of sending out path determines forward-path with the access forwarding unit is similar, will not be repeated here.
It should be noted that the embodiment of the present invention only illustrates by taking a controller as an example, in fact, can in the whole network
To configure multiple controllers, can be interacted between the plurality of controller by interface, the plurality of controller connects more respectively
Individual access forwarding unit, each controller generate a universe topological structure.A master controller can also be configured in the whole network,
The master controller obtains the universe topological structure that each controller uploads, and generates full mesh topology structure, and be issued to each control
Device, each controller can be according to the full mesh topology structure determination forward-paths.
Method provided in an embodiment of the present invention, by introducing controller in integrated identification network, by control plane with
Datum plane is separated, and the facility information of each access forwarding unit connected is obtained by controller, generates full mesh topology structure,
According to the full mesh topology structure, routing table is generated, is sent to the access forwarding unit, then when the access forwarding unit receives number
During according to bag, the routing table can be directly inquired about, determines forward-path, without running Routing Protocol, reduced amount of calculation, save
Time, improve search efficiency, and the controller realizes the flexible control to the whole network, realizes the negative of access forwarding unit
Equilibrium is carried, improves network resource utilization.Further, distributed by the controller for each access forwarding unit connected
Route Distinguisher pond, the unified management of Route Distinguisher is realized, and the routing table is using two Route Distinguisher ponds as index, it is greatly simple
The quantity of list item is changed.
Fig. 4 is a kind of communication system based on software defined network and integrated identification network provided in an embodiment of the present invention
Structural representation, referring to Fig. 4, the controller generates the whole network according to the facility information of each access forwarding unit connected
Topological structure, and according to the full mesh topology structure, generate routing table, be sent to access forwarding unit.Terminal is set to access forwarding
Preparation send packet, and when the access forwarding unit receives the packet, the source access mark and purpose that obtain the packet connect
Inlet identity, purpose Route Distinguisher corresponding to source routing mark corresponding to source access mark and purpose access mark is obtained,
The routing table is inquired about according to the purpose Route Distinguisher, determines forward-path, based on the source routing mark, the purpose Route Distinguisher and
The forward-path, forward the packet.
Fig. 5 is a kind of communicator based on software defined network and integrated identification network provided in an embodiment of the present invention
Structural representation, referring to Fig. 5, the device is located at controller, and the device includes：
Facility information receiving module 501, for when with access forwarding unit established be connected when, receive the access forwarding set
The standby facility information uploaded；
Topological structure generation module 502 is complete for the facility information according to each access forwarding unit connected, generation
Net topology structure；
Routing table generation module 503, for according to the full mesh topology structure, generating routing table, the routing table is used to represent
Forward-path in the access forwarding unit and the full mesh topology structure between other access forwarding units；
Routing table sending module 504, for sending the routing table to the access forwarding unit so that the access forwarding unit
When receiving packet, the routing table is inquired about according to the purpose Route Distinguisher of the packet, forward-path is determined, based on the mesh
Route Distinguisher and the forward-path forward the packet.
Device provided in an embodiment of the present invention, by introducing controller in integrated identification network, by control plane with
Datum plane is separated, and the facility information of each access forwarding unit connected is obtained by controller, generates full mesh topology structure,
According to the full mesh topology structure, routing table is generated, is sent to the access forwarding unit, then when the access forwarding unit receives number
During according to bag, the routing table can be directly inquired about, determines forward-path, without running Routing Protocol, reduced amount of calculation, save
Time, search efficiency is improved, realize the flexible control to the whole network.
Alternatively, the device also includes：
Inquiry request receiving module, for receiving the Route Distinguisher inquiry request of access forwarding unit transmission, the route
Mark inquiry request carries the purpose access mark of the packet；
Route Distinguisher determining module, for reflecting between the access mark according to each access forwarding unit and Route Distinguisher
Relation is penetrated, determines purpose Route Distinguisher corresponding to purpose access mark；
Route Distinguisher sending module, for sending the purpose Route Distinguisher to the access forwarding unit so that the access turns
Hair equipment inquires about the routing table according to the purpose Route Distinguisher, the forward-path is determined, based on the purpose Route Distinguisher and this turn
Hair path forwards the packet.
Alternatively, the device also includes：
Distribute module, for distributing Route Distinguisher pond for the access forwarding unit, the Route Distinguisher pond includes multiple roads
By identifying；
Route Distinguisher pond sending module, for sending the Route Distinguisher pond to the access forwarding unit so that the access turns
Equipment is sent out according to the Route Distinguisher pond, distribution Route Distinguisher is identified for access, establishes reflecting between access mark and Route Distinguisher
Relation is penetrated, when receiving the packet, according to the mapping relations, determines source routing corresponding to the source access mark of the packet
Mark, based on source routing mark and the purpose Route Distinguisher and the forward-path, forward the packet.
Alternatively, the routing table generation module 503 includes：
Path determining unit, for for the first access forwarding unit and the second access forwarding unit, being opened up according to the whole network
Structure is flutterred, determines the forward-path between the first access forwarding unit and the second access forwarding unit；
Routing table generation unit, for the first Route Distinguisher pond according to the first access forwarding unit, second access
The secondary route mark pond of forwarding unit and the forward-path, generate routing table, and the routing table is used for the first via by marking
It is index to know pond and secondary route mark pond, inquires about the forward-path.
Above-mentioned all optional technical schemes, any combination can be used to form the alternative embodiment of the present invention, herein no longer
Repeat one by one.
Fig. 6 is a kind of communicator based on software defined network and integrated identification network provided in an embodiment of the present invention
Structural representation, referring to Fig. 6, the device includes：
Facility information sending module 601, for when established with controller be connected when, to the controller send equipment letter
Breath so that when the controller receives the facility information, generated according to the facility information of each access forwarding unit connected
Full mesh topology structure, according to the full mesh topology structural generation routing table, it is sent to the access forwarding unit；
Routing table receiving module 602, for receiving the routing table, the routing table is used to represent the access forwarding unit with being somebody's turn to do
Forward-path in full mesh topology structure between other access forwarding units；
Purpose Route Distinguisher acquisition module 603, for upon reception of the data packet, obtaining and being accessed with the purpose of the packet
Purpose Route Distinguisher corresponding to mark；
Enquiry module 604, for inquiring about the routing table according to the purpose Route Distinguisher, determine forward-path；
Forwarding module 605, for based on the forward-path and the purpose Route Distinguisher, forwarding the packet.
Device provided in an embodiment of the present invention, by introducing controller in integrated identification network, by control plane with
Datum plane is separated, and the facility information of each access forwarding unit connected is obtained by controller, generates full mesh topology structure,
According to the full mesh topology structure, routing table is generated, is sent to the access forwarding unit, then when the access forwarding unit receives number
During according to bag, the routing table can be directly inquired about, determines forward-path, without running Routing Protocol, reduced amount of calculation, save
Time, search efficiency is improved, realize the flexible control to the whole network.
Alternatively, the routing table is used to, using the Route Distinguisher pond of two access forwarding units as index, inquire about this two and connect
Enter the forward-path between forwarding unit,
Accordingly, the enquiry module 604 includes：
Judging unit, for judging each route in the routing table in addition to the Route Distinguisher pond of the access forwarding unit
Whether mark includes the purpose Route Distinguisher in pond；
Query unit, for when specified Route Distinguisher pond includes the purpose Route Distinguisher, with the access forwarding unit
Route Distinguisher pond and this specify Route Distinguisher pond for index, inquire about the routing table, determine forward-path.
Alternatively, the purpose Route Distinguisher acquisition module 603 includes：
Inquiry request transmitting element, for sending Route Distinguisher inquiry request to the controller, Route Distinguisher inquiry please
Seek the purpose access mark for carrying the packet so that the controller is according to each access mark and route for accessing forwarding unit
Mapping relations between mark, determine purpose Route Distinguisher corresponding to purpose access mark；
Purpose Route Distinguisher receiving unit, for receiving the purpose Route Distinguisher.
Alternatively, the device also includes：
Identifier acquisition module is accessed in source, and mark is accessed in the source for obtaining the packet；
Mapping block, for according to the mapping relations between access mark and Route Distinguisher, determining source access mark pair
The source routing mark answered；
Forwarding module is identified, for based on source routing mark, the purpose Route Distinguisher and the forward-path, forwarding the number
According to bag.
Alternatively, the device also includes：
Route Distinguisher pond receiving module, for receiving the Route Distinguisher pond of controller distribution, Route Distinguisher pond Zhong Bao
Include multiple Route Distinguisher；
Mapping relations establish module, for according to the Route Distinguisher pond, for each access mark distribution Route Distinguisher, establishing
Mapping relations between access mark and Route Distinguisher.
Above-mentioned all optional technical schemes, any combination can be used to form the alternative embodiment of the present invention, herein no longer
Repeat one by one.
It should be noted that：The dress of the communication based on software defined network and integrated identification network that above-described embodiment provides
Put when being communicated, only with the division progress of above-mentioned each functional module for example, in practical application, can as needed and
Above-mentioned function distribution is completed by different functional modules, i.e., is divided into the internal structure of controller and access forwarding unit not
Same functional module, to complete all or part of function described above.In addition, above-described embodiment offer is determined based on software
The communicator of adopted network and integrated identification network and the communication means based on software defined network and integrated identification network
Embodiment belongs to same design, and its specific implementation process refers to embodiment of the method, repeats no more here.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of communication means based on software defined network and integrated identification network, it is characterised in that applied to controller
In, methods described includes：
When with access forwarding unit established be connected when, receive it is described access forwarding unit upload facility information；
Route Distinguisher pond is distributed for the access forwarding unit, the Route Distinguisher pond includes multiple Route Distinguisher；
According to the facility information of each access forwarding unit connected, full mesh topology structure is generated；
For the first access forwarding unit in the full mesh topology structure and the second access forwarding unit, opened up according to described the whole network
Structure is flutterred, determines the forward-path between the first access forwarding unit and the second access forwarding unit；
According to the first Route Distinguisher pond of the described first access forwarding unit, the secondary route mark of the second access forwarding unit
Know pond and the forward-path, generate routing table, the routing table is used for the first Route Distinguisher pond and described second
Route Distinguisher pond is index, inquires about the forward-path；
The routing table and the Route Distinguisher pond are sent to each access forwarding unit connected so that the access
Forwarding unit is according to the Route Distinguisher pond, for each access mark distribution Route Distinguisher, establish each access mark with
Mapping relations between the Route Distinguisher of distribution, when receiving packet, according to the mapping relations, determine the packet
Source access mark corresponding to source routing mark, and purpose access mark corresponding to purpose Route Distinguisher, according to the data
The purpose Route Distinguisher of bag inquires about the routing table, determines forward-path, is identified by core net based on the source routing, be described
Purpose Route Distinguisher and the forward-path forward the packet.
2. according to the method for claim 1, it is characterised in that methods described also includes：
The Route Distinguisher inquiry request that the access forwarding unit is sent is received, the Route Distinguisher inquiry request carries the number
Mark is accessed according to the purpose of bag；
According to the mapping relations between the access mark of each access forwarding unit and Route Distinguisher, the purpose access mark is determined
Purpose Route Distinguisher corresponding to knowledge；
The purpose Route Distinguisher is sent to the access forwarding unit so that the access forwarding unit is according to the purpose road
The routing table is inquired about by mark, determines the forward-path, is forwarded based on the purpose Route Distinguisher and the forward-path
The packet.
3. a kind of communication means based on software defined network and integrated identification network, it is characterised in that turn applied to access
Send out in equipment, methods described includes：
When established with controller be connected when, send facility information to the controller so that the controller receives described
During facility information, Route Distinguisher pond is distributed for the access forwarding unit, the Route Distinguisher pond includes multiple Route Distinguisher,
Full mesh topology structure is generated according to the facility information of each access forwarding unit connected, given birth to according to the full mesh topology structure
Into routing table, the routing table is used to, using the Route Distinguisher pond of two access forwarding units as index, inquire about described two accesses
Forward-path between forwarding unit, the routing table and the Route Distinguisher pond are sent to the access forwarding unit；
The access forwarding unit receives the routing table and the Route Distinguisher pond, and the routing table is used to represent the access
Forward-path in forwarding unit and the full mesh topology structure between other access forwarding units；
According to the Route Distinguisher pond, for each access mark distribution Route Distinguisher, each access mark and distribution are established
Route Distinguisher between mapping relations；
Upon reception of the data packet, according to the mapping relations, source routing corresponding to the source access mark of the packet is determined
Mark, and purpose Route Distinguisher corresponding to purpose access mark, are obtained corresponding with the purpose of packet access mark
Purpose Route Distinguisher；
Judge in the routing table except it is described access forwarding unit Route Distinguisher pond in addition to each Route Distinguisher pond in whether
Including the purpose Route Distinguisher；
When specified Route Distinguisher pond includes the purpose Route Distinguisher, with it is described access forwarding unit Route Distinguisher pond and
The specified Route Distinguisher pond is index, inquires about the routing table, determines forward-path；
Source routing mark, the forward-path and the purpose Route Distinguisher are based on by core net, forward the data
Bag.
4. according to the method for claim 3, it is characterised in that the acquisition and the purpose access mark pair of the packet
The purpose Route Distinguisher answered includes：
The access forwarding unit sends Route Distinguisher inquiry request to the controller, and the Route Distinguisher inquiry request carries
The purpose access mark of the packet so that the controller is marked according to the access mark of each access forwarding unit with route
Mapping relations between knowledge, determine purpose access mark corresponding to purpose Route Distinguisher, return to the access forwarding and set
It is standby；
The access forwarding unit receives the purpose Route Distinguisher.
5. according to the method for claim 3, it is characterised in that methods described also includes：
The access forwarding unit obtains the source access mark of the packet；
According to the mapping relations between access mark and Route Distinguisher, source routing mark corresponding to the source access mark is determined；
Based on source routing mark, the purpose Route Distinguisher and the forward-path, the packet is forwarded.
6. a kind of communicator based on software defined network and integrated identification network, it is characterised in that described device is located at
Controller, described device include：
Facility information receiving module, for when with access forwarding unit established be connected when, receive it is described access forwarding unit on
The facility information of biography；
Distribute module, for distributing Route Distinguisher pond for the access forwarding unit, the Route Distinguisher pond includes multiple roads
By identifying；
Topological structure generation module, for the facility information according to each access forwarding unit connected, generate full mesh topology
Structure；
Routing table generation module, including：
Path determining unit, for being set for the first access forwarding unit in the full mesh topology structure and the second access forwarding
It is standby, according to the full mesh topology structure, determine between the first access forwarding unit and the second access forwarding unit
Forward-path；
Routing table generation unit, for the first Route Distinguisher pond according to the described first access forwarding unit, second access
The secondary route mark pond of forwarding unit and the forward-path, generate routing table, and the routing table is used for described first
Route Distinguisher pond and secondary route mark pond are index, inquire about the forward-path；
Routing table sending module, for sending the routing table to each access forwarding unit connected so that described
Forwarding unit is accessed, when receiving packet, the routing table is inquired about according to the purpose Route Distinguisher of the packet, it is determined that
Forward-path, the packet is forwarded based on the purpose Route Distinguisher and the forward-path；
Route Distinguisher pond sending module, for sending the Route Distinguisher pond to the access forwarding unit so that the access
Forwarding unit is according to the Route Distinguisher pond, for each access mark distribution Route Distinguisher, establish each access mark with
Mapping relations between the Route Distinguisher of distribution, when receiving the packet, according to the mapping relations, determine the number
According to source routing mark corresponding to the source access mark of bag, and purpose Route Distinguisher corresponding to purpose access mark, pass through core
Net is based on source routing mark and the purpose Route Distinguisher and the forward-path, forwards the packet.
7. device according to claim 6, it is characterised in that described device also includes：
Inquiry request receiving module, the Route Distinguisher inquiry request sent for receiving the access forwarding unit, the route
Identify the purpose access mark that inquiry request carries the packet；
Route Distinguisher determining module, closed for the mapping between the access mark according to each access forwarding unit and Route Distinguisher
System, determine purpose Route Distinguisher corresponding to the purpose access mark；
Route Distinguisher sending module, for sending the purpose Route Distinguisher to the access forwarding unit so that the access
Forwarding unit inquires about the routing table according to the purpose Route Distinguisher, determines the forward-path, is route based on the purpose
Mark and the forward-path forward the packet.
8. a kind of communicator based on software defined network and integrated identification network, it is characterised in that turn applied to access
Send out in equipment, described device includes：
Facility information sending module, for when established with controller be connected when, to the controller send facility information so that
When the controller receives the facility information, Route Distinguisher pond, the Route Distinguisher are distributed for the access forwarding unit
Pond includes multiple Route Distinguisher, and full mesh topology structure is generated according to the facility information of each access forwarding unit connected,
According to the full mesh topology structural generation routing table, the routing table be used for using the Route Distinguisher ponds of two access forwarding units as
Index, the forward-path inquired about between described two access forwarding units, the routing table and the Route Distinguisher pond are sent
To the access forwarding unit；
Routing table receiving module, for receiving the routing table, the routing table is used to represent the access forwarding unit and institute
State the forward-path between other access forwarding units in full mesh topology structure；
Route Distinguisher pond receiving module, for receiving the Route Distinguisher pond of the controller distribution, the Route Distinguisher pond Zhong Bao
Include multiple Route Distinguisher；
Mapping relations establish module, for according to the Route Distinguisher pond, for each access mark distribution Route Distinguisher, establishing institute
State the mapping relations between each access mark and the Route Distinguisher of distribution；
Purpose Route Distinguisher acquisition module, for upon reception of the data packet, according to the mapping relations, determining the packet
Source access mark corresponding to source routing mark, and purpose access mark corresponding to purpose Route Distinguisher；
Enquiry module, for inquiring about the routing table according to the purpose Route Distinguisher, determine forward-path；
Forwarding module, for being based on source routing mark, the forward-path and the purpose Route Distinguisher by core net,
Forward the packet；
The enquiry module includes：
Judging unit, for judging each route in the routing table in addition to the Route Distinguisher pond of the access forwarding unit
Whether mark includes the purpose Route Distinguisher in pond；
Query unit, for when specified Route Distinguisher pond includes the purpose Route Distinguisher, with the access forwarding unit
Route Distinguisher pond and the specified Route Distinguisher pond for index, inquire about the routing table, determine forward-path.
9. device according to claim 8, it is characterised in that the purpose Route Distinguisher acquisition module includes：
Inquiry request transmitting element, for sending Route Distinguisher inquiry request to the controller, the Route Distinguisher inquiry please
Seek the purpose access mark for carrying the packet so that the controller according to the access mark of each access forwarding unit and
Mapping relations between Route Distinguisher, determine purpose Route Distinguisher corresponding to the purpose access mark；
Purpose Route Distinguisher receiving unit, for receiving the purpose Route Distinguisher.
10. device according to claim 8, it is characterised in that described device also includes：
Identifier acquisition module is accessed in source, and mark is accessed in the source for obtaining the packet；
Mapping block, for according to the mapping relations between access mark and Route Distinguisher, determining that the source access mark is corresponding
Source routing mark；
Forwarding module is identified, for based on source routing mark, the purpose Route Distinguisher and the forward-path, forwarding institute
State packet.
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| WO2016095142A1 (en) * | 2014-12-17 | 2016-06-23 | 华为技术有限公司 | Data forwarding method, device and system in software-defined networking (sdn) |
| CN105812278B (en) * | 2014-12-31 | 2019-06-18 | 华为技术有限公司 | Method for controlling quality of service and device in software defined network |
| CN105119820B (en) * | 2015-07-23 | 2018-01-02 | 中国人民解放军信息工程大学 | The more example parallel execution systems of Routing Protocol and its method is performed parallel |
| CN106059650B (en) * | 2016-05-24 | 2018-08-21 | 北京交通大学 | The Incorporate network architecture and data transmission method based on SDN and NFV technologies |
| CN107770073B (en) | 2016-08-19 | 2020-06-02 | 华为技术有限公司 | Method, device and system for information synchronization |
| CN106789651B (en) * | 2016-12-27 | 2020-03-10 | 郑州云海信息技术有限公司 | Method and system for preventing cloud server network from generating broadcast storm |
| CN108418755B (en) * | 2017-07-25 | 2019-10-11 | 新华三技术有限公司 | Data flow transmission method and device |
| CN110636000B (en) * | 2018-06-22 | 2021-07-27 | 贵州白山云科技股份有限公司 | Virtual cloud network control method, system and network device |
| CN111917687B (en) * | 2019-05-08 | 2023-06-27 | 北京京东振世信息技术有限公司 | Method and device for circularly pushing reminding message |
| CN112333098B (en) * | 2020-10-29 | 2022-11-25 | 杭州迪普科技股份有限公司 | Message forwarding method and device between service board cards |
| CN116248539B (en) * | 2023-01-04 | 2023-10-24 | 国网安徽省电力有限公司信息通信分公司 | SDN logic network state information monitoring system |
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| CN101483600B (en) * | 2009-02-19 | 2012-05-23 | 北京交通大学 | Method for implementing integrated network home domain information diffusion |
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| CN103036758B (en) * | 2011-10-10 | 2017-02-15 | 中兴通讯股份有限公司 | Method of interconnection and interworking between identifying net and traditional network, access service router (ASR) and interworking service router (ISR) |
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| CN101123536A (en) * | 2007-09-19 | 2008-02-13 | 北京交通大学 | Method for managing integrated network locations |
| CN103414644A (en) * | 2013-07-31 | 2013-11-27 | 华为技术有限公司 | Method for issuing entries and controller |
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