CN106059922A - Route injection method and device - Google Patents
Route injection method and device Download PDFInfo
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- CN106059922A CN106059922A CN201610357534.9A CN201610357534A CN106059922A CN 106059922 A CN106059922 A CN 106059922A CN 201610357534 A CN201610357534 A CN 201610357534A CN 106059922 A CN106059922 A CN 106059922A
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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
- H04L45/36—Backward learning
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Abstract
The invention provides a route injection method and device. The method comprises the following steps: receiving a network configuration Netconf message which is sent by a Controller and carries destination route information and equipment identification information corresponding to the destination route information which is obtained through route computation by the Controller according to an external route learned through an IBGP neighbor, and sending the destination route information to core equipment or R equipment according to the equipment identification information corresponding to the destination route information. Through an application of the route injection method and device, equipment in a user network can prevent upgrading operation, the number of equipment capable of being accessed is increased, and forwarding performance is improved.
Description
Technical field
The present invention relates to network communication technology field, particularly relate to a kind of route method for implanting and device.
Background technology
SDN (Software Defined Network, software defined network) is a kind of novel network architecture, is network
Virtualized a kind of implementation, its core concept is network device control plane to be separated with datum plane, thus real
The flexible control of existing network traffics, makes network become more intelligent as pipeline.
Using Netconf (a kind of based on XML (Extensible Markup Language, extensible markup language)
Network configuration) agreement and BGP-LS (Border Gateway Protocol with Link State, the limit of Link State
Boundary's gateway protocol) agreement SDN in, core equipment (user kernel equipment) and ISP (Internet Service
Provider, ISP) set up between equipment EBGP (External Border Gateway Protocol,
External BGP) neighbours, set up between core equipment Yu controller (controller, i.e. SDN controller)
IBGP (Internal Border Gateway Protocol, Internal BGP) neighbours.Controller passes through BGP
Neighbor learning to all of external routes, and according to study to external routes carry out router-level topology after, can route letter
Cease and be injected on all devices (including core equipment and other switching equipment) of user network by Netconf agreement.
But practice finds, in above-mentioned route injecting scheme, injecting to realize route, all in user network set
Standby being required to supports Netconf agreement；Additionally, due to Controller general interface quantity is little, therefore, when passing through
When route is injected into all devices of user network by Controller, it is possible to the number of devices of access can be fewer, meanwhile, by
Poor in Controller transfer capability, the most easily reach performance bottleneck.
Summary of the invention
The present invention provides a kind of route method for implanting and device, to solve in existing route injecting scheme as realizing route note
Enter to need the problem that all devices in user network all supports Netconf agreement and forwarding performance easily to reach bottleneck.
First aspect according to embodiments of the present invention, it is provided that a kind of route method for implanting, be applied to include Controller,
Core equipment and the SDN of R equipment, set up ebgp neighbor between described core equipment and ISP equipment, described
Set up IBGP neighbours between Controller and described core equipment, described SDN also includes BGP RR equipment, described
BGP RR equipment sets up IBGP neighbours with described core equipment and R equipment respectively, and the method is applied to described BGP RR equipment, should
Method includes:
Receive the network configuration Netconf message that Controller sends, described Netconf message carries purpose road
By information, and the identification information of equipment corresponding to purpose routing iinformation；Wherein, described purpose routing iinformation is by described
Controller according to by IBGP neighbor learning to external routes carry out what router-level topology obtained；
According to the identification information of equipment corresponding to described purpose routing iinformation, described purpose routing iinformation is sent to core
Equipment or R equipment.
Second aspect according to embodiments of the present invention, it is provided that a kind of route method for implanting, be applied to include Controller,
Core equipment and the SDN of R equipment, set up ebgp neighbor between described core equipment and ISP equipment, described
Set up IBGP neighbours between Controller and described core equipment, described SDN also includes BGP RR equipment, described
BGP RR equipment sets up IBGP neighbours with the core equipment in described SDN or R equipment respectively, and the method is applied to described
Controller, the method includes:
By IBGP neighbor learning external routes, and according to described external routes carry out router-level topology obtain purpose route letter
Breath, and determine the identification information of equipment that described purpose routing iinformation is corresponding；
Sending network configuration Netconf message to BGP RR equipment, described Netconf message carries purpose routing iinformation
And the identification information of equipment corresponding to purpose routing iinformation so that described BGP RR equipment according to described identification information by described
Purpose routing iinformation is sent to core equipment or R equipment.
The third aspect according to embodiments of the present invention, it is provided that a kind of route injection device, be applied to include Controller,
BGP RR equipment in the SDN of core equipment, R equipment and BGP RR equipment, between described core equipment and ISP equipment
Setting up ebgp neighbor, set up IBGP neighbours between described Controller and described core equipment, described BGP RR equipment is respectively
Setting up IBGP neighbours with described core equipment and R equipment, described device includes:
Receive unit, for receiving the network configuration Netconf message that Controller sends, described Netconf message
In carry purpose routing iinformation, and the identification information of equipment corresponding to purpose routing iinformation；Wherein, described purpose route letter
Breath be by described Controller according to by bgp neighbor learn to external routes carry out router-level topology and obtain；
Transmitting element, for the identification information of the equipment corresponding according to described purpose routing iinformation, route described purpose
Information is sent to core equipment or R equipment.
Fourth aspect according to embodiments of the present invention, it is provided that a kind of route injection device, be applied to include Controller,
Controller in the SDN of core equipment, R equipment and BGP RR equipment, between described core equipment and ISP equipment
Setting up ebgp neighbor, set up IBGP neighbours between described Controller and described core equipment, described BGP RR equipment is respectively
Setting up IBGP neighbours with described core equipment and R equipment, described device includes:
Route learning unit, is used for by IBGP neighbor learning external routes, and route according to described external routes
Calculate, to obtain the purpose routing iinformation of correspondence, and determine the identification information of equipment that described purpose routing iinformation is corresponding；
Transmitting element, for sending network configuration Netconf message to BGP RR equipment, described Netconf message carries
There are purpose routing iinformation and the identification information of equipment corresponding to purpose routing iinformation, so that described BGP RR equipment is according to described
Described purpose routing iinformation is sent to core equipment or R equipment by identification information.
The application embodiment of the present invention, by disposing the BGP RR equipment supporting Netconf agreement in SDN, when
Controller by IBGP neighbor learning to external routes, walking along the street of going forward side by side by being calculated corresponding purpose routing iinformation, and
After determining the identification information of the equipment that purpose routing iinformation is corresponding, by Netconf message by purpose routing iinformation and purpose
The identification information of the equipment that routing iinformation is corresponding is sent to BGP RR equipment, BGP RR equipment take according in Netconf message
Corresponding purpose routing iinformation is sent to core equipment or R equipment, with existing route injection side by the identification information of the equipment of band
Being injected, by Controller all devices in user network, the realization routeing in case to compare, the equipment in user network can not
With supporting Netconf agreement, it is to avoid the equipment in user network carries out updating operation；Additionally, carried out by BGP RR equipment
Routing forwarding, it is to avoid the equipment that has access to caused less due to interface on Controller is few, and Controller turns
Send out the forwarding performance bottleneck that ability causes, add the quantity of the equipment having access to, improve forwarding performance.
Accompanying drawing explanation
Fig. 1 is a kind of network architecture schematic diagram routeing injection that the embodiment of the present invention provides；
Fig. 2 is a kind of schematic flow sheet routeing method for implanting that the embodiment of the present invention provides；
Fig. 3 is a kind of schematic flow sheet routeing method for implanting that the embodiment of the present invention provides；
Fig. 4 is the configuration diagram of a kind of concrete application scenarios that the embodiment of the present invention provides；
Fig. 5 is a kind of structural representation routeing injection device that the embodiment of the present invention provides；
Fig. 6 is a kind of structural representation routeing injection device that the embodiment of the present invention provides.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the embodiment of the present invention, and make the present invention real
Execute the above-mentioned purpose of example, feature and advantage can become apparent from understandable, below in conjunction with the accompanying drawings to technical side in the embodiment of the present invention
Case is described in further detail.
The network architecture being the most first suitable for the embodiment of the present invention is described.
Refer to a kind of network architecture schematic diagram routeing injection that Fig. 1, Fig. 1 provide for the embodiment of the present invention, such as Fig. 1 institute
Showing, this network architecture supports BGP RR (Route Reflector, the route of Netconf agreement by disposing in SDN
Reflector) equipment, i.e. this network architecture includes Controller, core equipment, R equipment (a kind of switching equipment) and BGP
RR equipment (is set up ebgp neighbor, is set up IBGP adjacent between Controller and core equipment between core equipment and ISP equipment
Occupy), and in BGP RR equipment and SDN, set up bgp neighbor between core equipment and R equipment respectively.Work as Controller
By IBGP neighbor learning to external routes, and it is calculated corresponding purpose routing iinformation according to this external routes, and determines
After the identification information of the equipment that purpose routing iinformation is corresponding, this purpose routing iinformation can be sent by Netconf message
To BGP RR equipment, wherein, this Netconf message also includes the identification information of equipment that each purpose routing iinformation is corresponding.BGP
After RR equipment receives this Netconf message, can be according to the identification information of the equipment carried in this Netconf message by correspondence
Purpose routing iinformation be sent to core equipment or R equipment；Wherein, this purpose routing iinformation can include address race information, road
By prefix, route mask and route next jump information etc..
Based on the network architecture shown in Fig. 1, a kind of route method for implanting that the embodiment of the present invention provides, refer to Fig. 2, for
A kind of schematic flow sheet routeing method for implanting that the embodiment of the present invention provides, as in figure 2 it is shown, the method can include following step
Rapid:
It should be noted that the executive agent of step 201～step 202 can be in the network architecture shown in Fig. 1
The processor of Controller or Controller, such as CPU (Center Process Unit, CPU), for ease of
Illustrate, be described as a example by the executive agent of step 201～step 202 is as Controller below.
Step 201, by IBGP neighbor learning external routes, and carry out router-level topology according to external routes and obtain purpose road
By information, and determine the identification information of equipment that described purpose routing iinformation is corresponding.
In the embodiment of the present invention, core equipment can by the ebgp neighbor study external routes set up with ISP equipment, and
By study to external routes be sent to Controller by the IBGP neighbours set up with Controller.Controller connects
When receiving the external routes that core equipment sends, router-level topology can be carried out according to this external routes and obtain purpose routing iinformation,
And determine the identification information of equipment that purpose routing iinformation is corresponding.
Wherein, Controller carries out being calculated purpose routing iinformation according to external routes, and determines purpose route letter
Can carry out according to service logic set in advance (can be by User Defined) when ceasing the identification information of corresponding equipment.
As an example it is assumed that service logic set in advance is the IP1 that core equipment is able to access that external network, R equipment
It is able to access that the IP2 of external network；Then Controller learns after external routes, can according to study to external routes divide
It is not calculated the core equipment purpose routing iinformation (equipment that this purpose routing iinformation is corresponding is core equipment) to IP1,
And R equipment is to the purpose routing iinformation (equipment that this purpose routing iinformation is corresponding is R equipment) of IP2；Wherein, this purpose road
Address race information, route prefix, route mask and route next jump information etc. can be included but not limited to by information.
Wherein, the identification information of equipment can be core equipment or the title of R equipment, MAC (media interviews control) address,
EIC equipment identification code etc. can uniquely identify the information of this equipment in user network.
Preferably, the identification information of this equipment can be to set up IBGP neighbour on BGP RR equipment with core equipment or R equipment
Occupy the interface IP address connected.
Step 202, to BGP RR equipment send Netconf message, this Netconf message carry purpose routing iinformation with
And the identification information of equipment corresponding to purpose routing iinformation so that BGP RR equipment according to this identification information by this purpose route letter
Breath is sent to core equipment or R equipment.
In the embodiment of the present invention, after Controller obtains purpose routing iinformation by router-level topology, can't be direct
Purpose routing iinformation is injected into all devices of user network, but this purpose routing iinformation can be injected into BGP RR and set
Standby, BGP RR equipment purpose routing iinformation is handed down to core equipment or R equipment.
Concrete, in embodiments of the present invention, after Controller obtains purpose routing iinformation by router-level topology, can
To send the Netconf message carrying this purpose routing iinformation to BGP RR equipment, wherein, this Netconf message is except taking
Outside band purpose routing iinformation, in addition it is also necessary to carry the identification information of equipment corresponding to each purpose routing iinformation, the mark of this equipment
Information needs to be handed down to which equipment (core equipment or R equipment) for the purpose routing iinformation identifying correspondence.Such as, with above-mentioned
In step 201 as a example by examples cited, for the purpose routing iinformation of core equipment to IP1, Netconf message also needs to carry
The identification information of core equipment；For the purpose routing iinformation of equipment R to IP2, Netconf message also needs to Portable device R
Identification information.
In the embodiment of the present invention, after BGP RR equipment receives the Netconf message that Controller sends, Ke Yigen
According to the identification information of equipment corresponding to the purpose routing iinformation carried in this Netconf message, by corresponding purpose routing iinformation
Being sent to core equipment or R equipment, it implements the associated description that may refer in method flow shown in Fig. 3, and the present invention is real
Execute example not repeat them here.
Based on the network architecture shown in Fig. 1, a kind of route method for implanting that the embodiment of the present invention provides, refer to Fig. 3, for
A kind of schematic flow sheet routeing method for implanting that the embodiment of the present invention provides, as it is shown on figure 3, the method can include following step
Rapid:
It should be noted that the executive agent of step 301～step 302 can be for the BGP in the network architecture shown in Fig. 1
RR equipment or the processor of BGP RR equipment, such as CPU, for purposes of illustration only, following with step 301～the executive agent of step 302
For being described as a example by BGP RR equipment.
The Netconf message that step 301, reception Controller send, carries purpose route in this Netconf message
Information, and the identification information of equipment corresponding to purpose routing iinformation.
In the embodiment of the present invention, Controller sends to BGP RR equipment and carries purpose routing iinformation and purpose road
The associated description that may refer in above-mentioned steps 201～step 202 is implemented by the identification information of equipment corresponding to information,
The embodiment of the present invention does not repeats them here.
Step 302, identification information according to equipment corresponding to purpose routing iinformation, send corresponding purpose routing iinformation
To core equipment or R equipment.
In the embodiment of the present invention, after BGP RR equipment receives the Netconf message that Controller sends, can obtain
Take the purpose routing iinformation carried in this Netconf message, and the identification information of equipment corresponding to purpose routing iinformation, and root
According to the identification information of this equipment, this purpose routing iinformation is sent to core equipment or R equipment.
As the optional embodiment of one, in embodiments of the present invention, according to equipment corresponding to purpose routing iinformation
Identification information, is sent to purpose routing iinformation core equipment or R equipment, may include that
According to the identification information of equipment corresponding to purpose routing iinformation, send BGP UPDATE to core equipment or R equipment
(renewal) message；BGP UPDATE message carries purpose routing iinformation.
In this embodiment, BGP RR equipment gets the purpose routing iinformation carried in Netconf message, and mesh
Equipment corresponding to routing iinformation identification information after, this purpose routing iinformation can be carried at BGP UPDATE message
In, and according to the identification information of equipment corresponding to purpose routing iinformation, this is carried the BGP UPDATE of purpose routing iinformation
Message is sent to core equipment or R equipment, so that after core equipment or R equipment receive this BGP UPDATE message, parsing
Purpose routing iinformation, and be issued to purpose routing iinformation in forwarding-table item instruct forwarding.
Such as, the purpose routing iinformation corresponding with the identification information of core equipment can be carried at BGP by BGP RR equipment
UPDATE message is sent to core equipment, and the purpose routing iinformation corresponding with the identification information of R equipment is carried at BGP
UPDATE message is sent to R equipment.
Visible, in method flow shown in Fig. 1 or Fig. 2, by disposing the BGP supporting Netconf agreement in SDN
RR equipment, when Controller is by IBGP neighbor learning to external routes, and walking along the street of going forward side by side is by the purpose road being calculated correspondence
By information, and after determining the identification information of equipment that purpose routing iinformation is corresponding, entered to BGP RR equipment by Netconf agreement
Walking along the street by injecting, by BGP RR equipment respectively by the IBGP neighbours that set up with core equipment or R equipment by corresponding purpose road
By information be sent in core equipment or R equipment, with existing route injecting scheme by Controller in user network all
Equipment injects the realization of route and compares, and the equipment in user network can support Netconf agreement, it is to avoid user network
In equipment carry out updating operation；Additionally, carry out routing forwarding by BGP RR equipment, it is to avoid owing to connecing on Controller
The equipment having access to that mouth causes less is few, and the forwarding performance bottleneck that Controller transfer capability difference causes, and adds
The quantity of the equipment having access to, improves forwarding performance.
In order to make those skilled in the art be more fully understood that the technical scheme that the embodiment of the present invention provides, below in conjunction with specifically
Application scenarios technical scheme that the embodiment of the present invention is provided be described.
Refer to the configuration diagram of a kind of concrete application scenarios that Fig. 4, Fig. 4 provide for the embodiment of the present invention, such as Fig. 4 institute
Showing, this scene can include Controller, BGP RR equipment, R equipment, core equipment and ISP equipment；Wherein, core sets
Setting up ebgp neighbor between standby and ISP equipment, set up IBGP neighbours between Controller equipment and core equipment, BGP RR sets
Back-up is not and core equipment and R equipment set up IBGP neighbours.
Based on the application scenarios shown in Fig. 4, the handling process that route is injected is as follows:
1, core equipment by ebgp neighbor send over two route 1.1.1.1/32 of study ISP equipment and
2.2.2.2/32；
2, core equipment is routed through IBGP neighbours by these two and is sent to Controller；
3, Controller learns to these two routes of 1.1.1.1/32 and 2.2.2.2/32；
4, Controller according to study to external routes carry out router-level topology (Controller carry out router-level topology
Carry out according to user-defined service logic, in this embodiment it is assumed that user-defined service logic is core
Equipment is able to access that the 2.2.2.2/32 of external network, equipment R are able to access that the 1.1.1.1/32 of external network), and determine mesh
The identification information of equipment corresponding to routing iinformation.
Wherein, above-mentioned steps 1～step 4 implement and in existing route injecting scheme Controller study outside
Route, and according to study to external routes carry out router-level topology realize identical, and in existing route injecting scheme,
After Controller obtains purpose routing iinformation by router-level topology, need by Controller directly by Netconf to
All devices in the network of family carries out route and injects.And in embodiments of the present invention, Controller is by being calculated purpose
Route after routing iinformation is injected flow process and be can be such that
5, Controller injects route 2.2.2.2/32 by Netconf agreement to BGP RR equipment；
Concrete, Controller can send to BGP RR equipment carry purpose route corresponding for 2.2.2.2/32 with
And the Netconf message of the identification information of the equipment of purpose route correspondence, wherein, purpose routing iinformation can include
2.2.2.2/32 routing iinformation (including address race information (IPv4 or IPv6) of route, route prefix and route mask) with
And route next jump information；The identification information of the equipment that purpose routing iinformation is corresponding is that this purpose routing iinformation needs issue to set
Standby identification information.
In this embodiment, in purpose routing iinformation corresponding for 2.2.2.2/32, route prefix is 2.2.2.2, route mask
Being 32, route next jump information is the address that core equipment leads to exterior I SP, the mark letter of the equipment that purpose routing iinformation is corresponding
The interface IP address that breath is connected for setting up IBGP neighbours on BGP RR equipment with core equipment (can be used in Netconf message
Target (target)-IP identifies).
6, after BGP RR equipment receives the Netconf message that Controller sends, purpose routing iinformation is parsed,
And parse the identification information of equipment；
7, the purpose routing iinformation parsed is passed through standard according to the identification information of the equipment parsed by BGP RR equipment
BGP UPDATE message be sent to core equipment；
8, after core equipment receives BGP UPDATE message, parse purpose routing iinformation, be issued to forward
List item instructs and forwards；
9, Controller injects route 1.1.1.1/32 by Netconf agreement to BGP RR equipment；
Concrete, Controller can send to BGP RR equipment and carry purpose route letter corresponding for 1.1.1.1/32
The Netconf message of the identification information of breath and equipment corresponding to purpose routing iinformation, wherein, purpose routing iinformation can include
Routing iinformation and route next jump information to 1.1.1.1/32；The identification information of the equipment that purpose routing iinformation is corresponding is for being somebody's turn to do
Purpose routing iinformation needs the identification information of the equipment issued.
In this embodiment, in purpose routing iinformation corresponding for 1.1.1.1/32, route prefix is 1.1.1.1, route mask
Being 32, route next jump information is the address that equipment R leads to core equipment, the identification information of the equipment that purpose routing iinformation is corresponding
The interface IP address being connected for setting up IBGP neighbours on BGP RR equipment with R equipment (can use Target-in Netconf message
IP identifies).
10, after BGP RR equipment receives the Netconf message that Controller sends, purpose route letter is parsed
Breath, and parse the identification information of equipment；
11, the purpose routing iinformation parsed is passed through standard according to the identification information of the equipment parsed by BGP RR equipment
BGP UPDATE message be sent to equipment R；
12, after equipment R receives BGP UPDATE message, parse purpose routing iinformation, be issued to forward table
Instruct in Xiang and forward.
By above description it can be seen that the embodiment of the present invention provide technical scheme in, by the middle part of SDN
Administration supports the BGP RR equipment of Netconf agreement, when Controller is learnt to external routes, walking along the street of going forward side by side by bgp neighbor
After being calculated corresponding purpose routing iinformation, by Netconf message by purpose routing iinformation and purpose routing iinformation
The identification information of corresponding equipment is sent to BGP RR equipment, by BGP RR equipment according to the equipment carried in Netconf message
Identification information corresponding purpose routing iinformation is sent in core equipment or R equipment, with existing route injecting scheme by
Controller all devices in user network injects the realization of route and compares, and the equipment in user network can be supported
Netconf agreement, it is to avoid the equipment in user network carries out updating operation；Turn additionally, carry out route by BGP RR equipment
Send out, it is to avoid the equipment having access to caused less due to interface on Controller is few, and Controller transfer capability
The forwarding performance bottleneck that difference causes, adds the quantity of the equipment having access to, improves forwarding performance.
Refer to Fig. 5, a kind of structural representation routeing injection device provided for the embodiment of the present invention, wherein, described
Device can apply to the BGP RR equipment in the network architecture shown in Fig. 1, as it is shown in figure 5, this route injection device may include that
Receiving unit 510, for receiving the network configuration Netconf message that Controller sends, described Netconf reports
Literary composition carries purpose routing iinformation, and the identification information of equipment corresponding to purpose routing iinformation；Wherein, described purpose route
Information be by described Controller according to by bgp neighbor learn to external routes carry out router-level topology and obtain；
Transmitting element 520, for the identification information of the equipment corresponding according to described purpose routing iinformation, by described purpose road
It is sent to core equipment or R equipment by information.
In an alternative embodiment, described transmitting element 520, can be specifically for corresponding according to described purpose routing iinformation
The identification information of equipment, sends bgp update UPDATE message to core equipment or R equipment；Described BGP UPDATE message carries
Described purpose routing iinformation, described purpose routing iinformation is had to include under address race information, route prefix, route mask and route
One hop-information.
In an alternative embodiment, the identification information of described equipment is to set up with core equipment or R equipment on BGP RR equipment
The interface IP address that IBGP neighbours connect.
Refer to Fig. 6, a kind of structural representation routeing injection device provided for the embodiment of the present invention, wherein, described
Device can apply to the Controller in the network architecture shown in Fig. 1, and as shown in Figure 6, this route injection device may include that
Route learning unit 610, is used for by IBGP neighbor learning external routes, and carries out road according to described external routes
By being calculated purpose routing iinformation, and determine the identification information of equipment that described purpose routing iinformation is corresponding；
Transmitting element 620, for sending network configuration Netconf message to BGP RR equipment, described Netconf message is taken
With the identification information of equipment corresponding to purpose routing iinformation and purpose routing iinformation, so that described BGP RR equipment is according to institute
State purpose routing iinformation described in identification information and be sent to core equipment or R equipment.
In an alternative embodiment, the identification information of described equipment is to set up with core equipment or R equipment on BGP RR equipment
The interface IP address that IBGP neighbours connect.
In said apparatus, the function of unit and the process that realizes of effect specifically refer to corresponding step in said method
Realize process, do not repeat them here.
For device embodiment, owing to it corresponds essentially to embodiment of the method, so relevant part sees method in fact
The part executing example illustrates.Device embodiment described above is only schematically, wherein said as separating component
The unit illustrated can be or may not be physically separate, and the parts shown as unit can be or can also
It not physical location, i.e. may be located at a place, or can also be distributed on multiple NE.Can be according to reality
Need to select some or all of module therein to realize the purpose of the present invention program.Those of ordinary skill in the art are not paying
In the case of going out creative work, i.e. it is appreciated that and implements.
As seen from the above-described embodiment, by disposing the BGP RR equipment supporting Netconf agreement in SDN, when
Controller is by IBGP neighbor learning to external routes, and walking along the street of going forward side by side is by being calculated correspondence purpose routing iinformation, and really
After determining the identification information of equipment corresponding to purpose routing iinformation, by Netconf message by purpose routing iinformation and purpose road
It is sent to BGP RR equipment by the identification information of equipment corresponding to information, BGP RR equipment carries according in Netconf message
The identification information of equipment corresponding purpose routing iinformation is sent to core equipment or R equipment, with existing route injecting scheme
In by Controller in user network all devices inject route realization compare, the equipment in user network can
Support Netconf agreement, it is to avoid the equipment in user network carries out updating operation；Additionally, carry out road by BGP RR equipment
By forwarding, it is to avoid the equipment that has access to caused less due to interface on Controller is few, and Controller forwards
The forwarding performance bottleneck that ability causes, adds the quantity of the equipment having access to, improves forwarding performance.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to its of the present invention
Its embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modification, purposes or
Person's adaptations is followed the general principle of the present invention and includes the undocumented common knowledge in the art of the present invention
Or conventional techniques means.Description and embodiments is considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and
And various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (10)
1. a route method for implanting, is applied to include controller Controller, user kernel equipment core equipment and friendship
The software defined network SDN of exchange device R equipment, builds between described core equipment and ISP's ISP equipment
Vertical External BGP ebgp neighbor, sets up Internal Border Gateway association between described Controller and described core equipment
View IBGP neighbours, it is characterised in that also include Border Gateway Protocol (BGP) Router Reflector RR equipment in described SDN, described
BGP RR equipment sets up IBGP neighbours with described core equipment and R equipment respectively, and the method is applied to described BGP RR equipment, institute
The method of stating includes:
Receive the network configuration Netconf message that Controller sends, described Netconf message carries purpose route letter
Breath, and the identification information of equipment corresponding to purpose routing iinformation；Wherein, described purpose routing iinformation is by described
Controller according to by IBGP neighbor learning to external routes carry out what router-level topology obtained；
According to the identification information of equipment corresponding to described purpose routing iinformation, described purpose routing iinformation is sent to core equipment
Or R equipment.
Method the most according to claim 1, it is characterised in that the described equipment corresponding according to described purpose routing iinformation
Identification information, is sent to core equipment or R equipment by described purpose routing iinformation, including:
According to the identification information of equipment corresponding to described purpose routing iinformation, send bgp update to core equipment or R equipment
UPDATE message；Described BGP UPDATE message carries described purpose routing iinformation, and described purpose routing iinformation includes address race
Information, route prefix, route mask and route next jump information.
Method the most according to claim 1 and 2, it is characterised in that the identification information of described equipment is on BGP RR equipment
The interface IP address that IBGP neighbours are connected is set up with core equipment or R equipment.
4. a route method for implanting, is applied to include controller Controller, user kernel equipment core equipment and friendship
The software defined network SDN of exchange device R equipment, builds between described core equipment and ISP's ISP equipment
Vertical External BGP ebgp neighbor, sets up Internal Border Gateway association between described Controller and described core equipment
View IBGP neighbours, it is characterised in that also include Border Gateway Protocol (BGP) Router Reflector RR equipment in described SDN, described
BGP RR equipment sets up IBGP neighbours with described core equipment and R equipment respectively, and the method is applied to described Controller, institute
The method of stating includes:
By IBGP neighbor learning external routes, and carry out router-level topology according to described external routes and obtain purpose routing iinformation,
And determine the identification information of equipment that described purpose routing iinformation is corresponding；
To BGP RR equipment send network configuration Netconf message, described Netconf message carry purpose routing iinformation and
The identification information of the equipment that purpose routing iinformation is corresponding so that described BGP RR equipment according to described identification information by described purpose
Routing iinformation is sent to core equipment or R equipment.
Method the most according to claim 4, it is characterised in that the identification information of described equipment be on BGP RR equipment with
Core equipment or R equipment set up the interface IP address that IBGP neighbours connect.
6. a route injection device, it is characterised in that be applied to include controller Controller, user kernel equipment core
Equipment, switching equipment R equipment and the software self-defined network SDN of Border Gateway Protocol (BGP) route emitter RR equipment
In BGP RR equipment, set up External BGP between described core equipment and ISP's ISP equipment
Ebgp neighbor, sets up Internal BGP IBGP neighbours, described BGP between described Controller and described core equipment
RR equipment sets up IBGP neighbours with described core equipment and R equipment respectively, and described device includes:
Receive unit, for receiving the network configuration Netconf message that Controller sends, described Netconf message is taken
With purpose routing iinformation, and the identification information of equipment corresponding to purpose routing iinformation；Wherein, described purpose routing iinformation is
By described Controller according to by IBGP neighbor learning to external routes carry out what router-level topology obtained；
Transmitting element, for the identification information of the equipment corresponding according to described purpose routing iinformation, by described purpose routing iinformation
It is sent to core equipment or R equipment.
Device the most according to claim 6, it is characterised in that
Described transmitting element, specifically for the identification information of the equipment corresponding according to described purpose routing iinformation, to core equipment
Or R equipment sends bgp update UPDATE message；Described BGP UPDATE message carries described purpose routing iinformation, described mesh
Routing iinformation include address race information, route prefix, route mask and route next jump information.
8. according to the device described in claim 6 or 7, it is characterised in that the identification information of described equipment is on BGP RR equipment
The interface IP address that IBGP neighbours are connected is set up with core equipment or R equipment.
9. a route injection device, it is characterised in that be applied to include controller Controller, user kernel equipment core
Equipment, switching equipment R equipment and the software self-defined network SDN of Border Gateway Protocol (BGP) route emitter RR equipment
In Controller, set up External BGP between described core equipment and ISP's ISP equipment
Ebgp neighbor, sets up Internal BGP IBGP neighbours, described BGP between described Controller and described core equipment
RR equipment sets up IBGP neighbours with described core equipment and R equipment respectively, and described device includes:
Route learning unit, is used for by IBGP neighbor learning external routes, and carries out router-level topology according to described external routes
Obtain purpose routing iinformation, and determine the identification information of equipment that described purpose routing iinformation is corresponding；
Transmitting element, for sending network configuration Netconf message to BGP RR equipment, described Netconf message carries mesh
Routing iinformation and the identification information of equipment corresponding to purpose routing iinformation so that described BGP RR equipment is according to described mark
Described purpose routing iinformation is sent to core equipment or R equipment by information.
Device the most according to claim 9, it is characterised in that the identification information of described equipment be on BGP RR equipment with
Core equipment or R equipment set up the interface IP address that IBGP neighbours connect.
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| CN201610357534.9A CN106059922B (en) | 2016-05-26 | 2016-05-26 | Route method for implanting and device |
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| CN201610357534.9A CN106059922B (en) | 2016-05-26 | 2016-05-26 | Route method for implanting and device |
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| CN106059922B (en) | 2019-08-06 |
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