CN105577540B - A kind of method for building up of service link, apparatus and system - Google Patents
A kind of method for building up of service link, apparatus and system Download PDFInfo
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- CN105577540B CN105577540B CN201510897287.7A CN201510897287A CN105577540B CN 105577540 B CN105577540 B CN 105577540B CN 201510897287 A CN201510897287 A CN 201510897287A CN 105577540 B CN105577540 B CN 105577540B
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Classifications
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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
- H04L45/24—Multipath
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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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
- H04L45/50—Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
- H04L45/507—Label distribution
-
- 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
- H04L45/68—Pseudowire emulation, e.g. IETF WG PWE3
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
Abstract
The embodiment of the present invention provides a kind of method for building up of service link, apparatus and system, is related to field of communication technology, can solve the problems, such as that the configuration of business span-domain intercommunication is complicated, be easy error and less efficient.This method includes：Domain collaborative multi controller receives and sends cross-domain service request message respectively to source single domain controller and purpose single domain controller, so that basis establishes service link in domain in self-management Autonomous Domain respectively for source single domain controller and purpose single domain controller；Domain collaborative multi controller receives the information for going out domain node and go out the information of domain port that source single domain controller is sent, and receives the transmission of purpose single domain controller and enter the information of domain node and to enter the information of domain port；Domain collaborative multi controller is in the service link between entering to establish between the port of domain domain for going out domain port and entering domain node for going out domain node.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method for building up of service link, apparatus and systems.
Background technology
Layer 2 virtual private network (Layer 2Virtual Private Network, L2VPN) is a kind of virtual special
LAN not only possesses whole benefits of Ethernet architecture, but also has better scalability, reliability than traditional ethernet
And the abilities such as network service quality (Quality of Service, QoS), collect Ethernet and multi protocol label exchanges (Multi-
Protocol Label Switching, MPLS) the advantages of in one.
When the business of L2VPN needs to open between two Autonomous Domains (Autonomous System, AS) in same local network
For logical or needs when bearer network is opened, existing solution realizes the intercommunication of business often by user side, but this
Mode can increase the delay of business, and not have protective capability end to end.If to realize the mutual of business based on network side
It is logical, then need the webmaster in two Autonomous Domains to carry out largely coordinating and configuring in business configuration, this method is easy error
And it is less efficient.
Invention content
The embodiment of the present invention provides a kind of method for building up of service link, apparatus and system, and it is mutual to solve business span-domain
Logical configuration is complicated, is easy error and less efficient problem.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
The embodiment of the present invention provides a kind of method for building up of service link, including：
Domain collaborative multi controller receives cross-domain service request message, and the cross-domain service request message includes at least cross-domain industry
The information of the terminal node of the information of the origination node of business and the cross-domain service；
The cross-domain service request message is respectively sent to source single domain controller and purpose by the domain collaborative multi controller
Single domain controller, so that the source single domain controller and purpose single domain controller are respectively according to the cross-domain service request message
Service link in domain is established in self-management Autonomous Domain, wherein the origination node belongs to the source single domain controller pipe
First Autonomous Domain of reason, the terminal node belong to the second Autonomous Domain of the purpose single domain controller management；
The domain collaborative multi controller receives the information for going out domain node that the source single domain controller is sent, and described in reception
The information for entering domain node that purpose single domain controller is sent；
The domain collaborative multi controller it is described go out domain node and it is described enter domain node between establish service link between domain, with
Realization business by service link between the domain first Autonomous Domain and second Autonomous Domain transmission.
In the embodiment of the present invention, domain collaborative multi controller carries out letter with source single domain controller, purpose single domain controller respectively
Breath interaction, realize source single domain controller management the first Autonomous Domain domain in service link, purpose single domain controller management second
In Autonomous Domain domain between service link and the first Autonomous Domain and the second Autonomous Domain between domain service link foundation so that across
Domain business is transmitted by established service link, realizes cross-domain service between the first Autonomous Domain and the second Autonomous Domain
Transmission.
Optionally, the cross-domain service request message is respectively sent to source single domain controller by the domain collaborative multi controller
With after purpose single domain controller and what the domain collaborative multi controller received that the source single domain controller sends goes out domain node
Information, and before receiving the information for entering domain node that the purpose single domain controller is sent, the method for building up further includes：
What the domain collaborative multi controller received that the purpose single domain controller sends goes out domain pseudowire PW labels and tunnel
Tunnel labels；
The domain collaborative multi controller is by the PW labels and the Tunnel label forwardings to the source single domain controller.
Optionally, before the domain collaborative multi controller receives cross-domain service request message, the method for building up further includes：
The domain collaborative multi controller obtains the load information of at least two domain-to-domain links, the domain-to-domain link be first from
It controls in domain in any first autonomous domain border node and second Autonomous Domain between any second autonomous domain border node
There is link, there are one-one relationship mappings with the second autonomous domain border node for the first autonomous domain border node；
The domain collaborative multi controller will get described in the load informations of at least two domain-to-domain links be respectively sent to
The source single domain controller and the purpose single domain controller so that the source single domain controller according to the load information and
Preset rules determine autonomous domain border host node and autonomous domain border slave node, the purpose single domain in first Autonomous Domain
Controller determines autonomous domain border host node and autonomy according to the load information and preset rules in second Autonomous Domain
Domain boundary slave node.
The embodiment of the present invention is controlled by the load of at least two domain-to-domain links of domain collaborative multi monitoring control devices, domain collaborative multi
The interaction of device and single domain controller realizes that single domain controller determines the Autonomous Domain in the Autonomous Domain of self-management according to load information
Boundary boundary host node and autonomous domain border boundary slave node, the traffic border main-standby nodes of dynamic adjustment in real time, are conducive to network
Load balancing.
The embodiment of the present invention provides a kind of method for building up of service link, including：
Single domain controller receives the cross-domain service request message that domain collaborative multi controller is sent, and the cross-domain service request disappears
The information of node of the breath comprising cross-domain service；
The single domain controller is between its preconfigured autonomous domain border host node and the node of the cross-domain service
Business primary link in domain is established, and is built between its preconfigured autonomous domain border slave node and the node of the cross-domain service
Business standby link in vertical domain, Autonomous Domain described in the single domain controller management.
Optionally, the information of the node of the cross-domain service includes the information of origination node of cross-domain service and described cross-domain
The information of the terminal node of business；
The single domain controller is source single domain controller, correspondingly, the single domain controller is in its preconfigured autonomy
Business primary link in domain is established between domain boundary host node and the node of the cross-domain service, and in its preconfigured Autonomous Domain
Business standby link in domain is established between boundary slave node and the node of the cross-domain service, including：
Source single domain controller originates section its preconfigured first autonomous domain border host node and the cross-domain service
Business primary link in domain is established between point, and in its preconfigured first autonomous domain border slave node and the cross-domain service
Business standby link in domain, the first Autonomous Domain of the source single domain controller management are established between origination node；
Alternatively,
The single domain controller is purpose single domain controller, correspondingly, the single domain controller is preconfigured certainly at its
It controls and establishes business primary link in domain between domain boundary host node and the node of the cross-domain service, and in its preconfigured autonomy
Business standby link in domain is established between domain boundary slave node and the node of the cross-domain service, including：
Termination of the purpose single domain controller in its preconfigured second autonomous domain border host node and the cross-domain service
Business primary link in domain is established between node, and in its preconfigured second autonomous domain border slave node and the cross-domain service
Terminal node between establish business standby link in domain, the second Autonomous Domain of the purpose single domain controller management.
Optionally, before the single domain controller receives the cross-domain service request message that domain collaborative multi controller is sent, institute
Stating method for building up further includes：
The single domain controller receives the load information that the domain collaborative multi controller is sent, and the load information includes institute
State the load information of at least two autonomous domain border nodes in Autonomous Domain；
The single domain controller is according to the load information of preset rules and at least two autonomous domain borders node, difference
Determine autonomous domain border host node and autonomous domain border slave node.
Single domain of embodiment of the present invention controller determines self-management according to the load information that domain collaborative multi controller is sent
Autonomous domain border host node in Autonomous Domain and autonomous domain border slave node, the traffic border main-standby nodes of dynamic adjustment in real time, have
Conducive to Network Load Balance.
The embodiment of the present invention provides a kind of domain collaborative multi controller, including：
Receiving unit, for receiving cross-domain service request message, the cross-domain service request message includes at least cross-domain industry
The information of the terminal node of the information of the origination node of business and the cross-domain service；
Transmission unit, the cross-domain service request message for receiving the receiving unit are respectively sent to source list
Domain controller and purpose single domain controller so that the source single domain controller and purpose single domain controller respectively according to it is described across
Domain business request information establishes service link in domain in self-management Autonomous Domain, wherein the origination node belongs to described
First Autonomous Domain of source single domain controller management, the terminal node belong to the second of the purpose single domain controller management from
Control domain；
The receiving unit, is additionally operable to receive that the source single domain controller sends goes out the information of domain node, and receives institute
State the information for entering domain node of purpose single domain controller transmission；
Link establishment unit, for go out described in being received in the receiving unit domain node and it is described enter domain node between
Service link between domain is established, to realize that business is autonomous with described second in first Autonomous Domain by service link between the domain
The transmission in domain.
Further, the receiving unit, is additionally operable to receive that the purpose single domain controller sends goes out domain pseudowire PW
Label and tunnel Tunnel labels；
The transmission unit is additionally operable to control on the PW labels and the Tunnel label forwardings to the source single domain
Device；
The domain collaborative multi controller further includes acquiring unit,
The acquiring unit, for obtaining the load informations of at least two domain-to-domain links, the domain-to-domain link be first oneself
It controls in domain in any first autonomous domain border node and second Autonomous Domain between any second autonomous domain border node
There is link, there are one-one relationship mappings with the second autonomous domain border node for the first autonomous domain border node；
The transmission unit, be additionally operable to by the acquiring unit get described at least two domain-to-domain links load letter
Breath is respectively sent to the source single domain controller and the purpose single domain controller, so that the source single domain controller is according to institute
It states load information and preset rules and determines autonomous domain border host node and autonomous domain border slave node in first Autonomous Domain,
The purpose single domain controller determines autonomous domain border according to the load information and preset rules in second Autonomous Domain
Host node and autonomous domain border slave node.
The embodiment of the present invention provides a kind of single domain controller, including：
Receiving unit, the cross-domain service request message for receiving the transmission of domain collaborative multi controller, the cross-domain service are asked
It includes the information of the node of cross-domain service to seek message；
Link establishment unit, for what is received in its preconfigured autonomous domain border host node and the receiving unit
Business primary link in domain is established between the node of the cross-domain service, and in its preconfigured autonomous domain border slave node and institute
It states and establishes business standby link in domain, the single domain controller management between the node for the cross-domain service that receiving unit receives
The Autonomous Domain.
Further, the receiving unit is additionally operable to receive the load information that the domain collaborative multi controller is sent, described
Load information includes the load information of at least two autonomous domain border nodes in the Autonomous Domain；
The single domain controller further includes determination unit,
The determination unit, at least two Autonomous Domain for being received according to preset rules and the receiving unit
The load information of boundary node determines autonomous domain border host node and autonomous domain border slave node respectively.
The embodiment of the present invention provides a kind of network system, including domain collaborative multi controller as described above, such as above-mentioned institute
The single domain controller and forwarding unit stated；Wherein, the domain collaborative multi controller is connected with the single domain controller by network
It connects, for the single domain controller with the forwarding unit by network connection, the forwarding unit is the single domain controller management
Autonomous Domain in node.
The embodiment of the present invention provides a kind of method for building up of service link, apparatus and system, and domain collaborative multi controller is connecing
After receiving cross-domain service request message, which is respectively sent to source single domain controller and purpose single domain control
Device processed connects in order to which source single domain controller establishes service link in domain in the Autonomous Domain of its management in domain collaborative multi controller
Receive the information for going out domain node that source single domain controller is sent, the information for entering domain node that the purpose single domain controller is sent
Afterwards, domain collaborative multi controller establishes service link between domain between going out domain node and entering domain node, to realize that business passes through between domain
Service link transmits.
This programme by domain collaborative multi controller, hand over respectively by the information between source single domain controller, purpose single domain controller
Mutually, the second autonomy of service link in the first Autonomous Domain domain of source single domain controller management, purpose single domain controller management is realized
In the domain of domain between service link and the first Autonomous Domain and the second Autonomous Domain between domain service link foundation so that cross-domain industry
Business is transmitted by established service link, realizes biography of the cross-domain service between the first Autonomous Domain and the second Autonomous Domain
It is defeated.This programme only needs the relevant configuration of domain collaborative multi controller, source single domain controller and purpose single domain controller, you can realizes
The intercommunication of trans-sectoral business, configuration is simple and fast, and efficiency is higher.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram one of the network system of the embodiment of the present invention；
Fig. 2 is the flow diagram one of the method for building up of the service link of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram two of the network system of the embodiment of the present invention；
Fig. 4 is the flow diagram two of the method for building up of the service link of the embodiment of the present invention；
Fig. 5 is the flow diagram three of the method for building up of the service link of the embodiment of the present invention；
Fig. 6 is the structural schematic diagram one of the domain collaborative multi controller of the embodiment of the present invention；
Fig. 7 is the structural schematic diagram two of the domain collaborative multi controller of the embodiment of the present invention；
Fig. 8 is the structural schematic diagram three of the domain collaborative multi controller of the embodiment of the present invention；
Fig. 9 is the structural schematic diagram one of the single domain controller of the embodiment of the present invention；
Figure 10 is the structural schematic diagram two of the single domain controller of the embodiment of the present invention；
Figure 11 is the structural schematic diagram three of the single domain controller of the embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In addition, the terms "and/or", only a kind of incidence relation of description affiliated partner, indicates may exist
Three kinds of relationships, for example, A and/or B, can indicate：Individualism A exists simultaneously A and B, these three situations of individualism B.Separately
Outside, character "/" herein, it is a kind of relationship of "or" to typically represent forward-backward correlation object.
When the embodiment of the present invention refers to the ordinal numbers such as " first ", " second ", unless based on context its express really it is suitable
The meaning of sequence, it is appreciated that being only to distinguish to be used.
Software defined network (Soft Defined Network, SDN) is a kind of novel network architecture.SDN includes such as
Lower essential characteristic：
Control and forward separating：Forwarding surface is the equipment of a controlled forwarding, and forwarding and service logic are by separating
Control plane is controlled, and core control protocol is exactly OpenFlow agreements.
Centralized control in logic：In traditional network, each network element has independent control plane, is assisted between network element by controlling
View carries out data interaction.For SDN network, the control plane of single network element is detached into processing, is unified into one independently of equipment
Control plane, thus the state of network level can be possessed, and optimized according to global network state.
Open application interface (Application Programming Interface, API)：Net is provided to application
The interface of network resource operation.By api interface, SDN application layers could can preferably meet business so that how informing network runs
The demands such as bandwidth, time delay, charging；Application layer can be customized by client according to the demand of oneself.
In summary, SDN realizes the separation of network-based control plane and data forwarding plane, and user can be by controlling
It is programmed on device processed and carrys out the forwarding of real-time control message, dynamic adjusts in real time.The application that SDN can better meet network service needs
It asks, for example flexibly creates virtual subnet, real time load equilibrium, traffic engineering based on traffic statistics etc..
Currently, in multiple Autonomous Domains and operator's local network for depositing, the intercommunication and management of business are always a problem,
Existing solution realizes the intercommunication of business often through customer side, but this method can increase the delay of business, and does not have
Standby protective capability end to end.If to realize the intercommunication of business based on network side, the webmaster in two Autonomous Domains is needed to exist
When business configuration carry out largely coordinate and configure, this method be easy error and it is less efficient.
Many merits of the embodiment of the present invention based on SDN network introduce domain collaborative multi controller in operator's local network
With single domain controller solving the problems, such as that the configuration of business span-domain intercommunication is complicated, be easy error and less efficient.
Fig. 1 is the structural schematic diagram of network system provided in an embodiment of the present invention.It include multiple domain association in the system structure
Same controller, at least two single domain controllers (single domain controller A, single domain controller B) and multiple forwarding units.Wherein, single domain
Controller A and single domain controller B passes through network connection, the Autonomous Domain of single domain controller A management with domain collaborative multi controller respectively
In include multiple forwarding units, also include multiple forwarding units in the Autonomous Domain of single domain controller B management.
The system structure is logically separated into 4 layers, and top layer is and service fulfillment and the relevant application program of management
(Application, APP)；2nd layer is cross-domain domain collaborative multi controller, is responsible for opening and managing for cross-domain service；3rd layer
It is single domain controller, is responsible for tissue and layout of the business in the Autonomous Domain of self-management；4th layer is turned in each Autonomous Domain
Send out equipment.
Preferably, the domain collaborative multi controller in the embodiment of the present invention and single domain controller are SDN controllers.
Wherein, the forwarding unit in each Autonomous Domain is known as node in the embodiment of the present invention, two Autonomous Domain intercommunications
Node is known as autonomous domain border node, which is also autonomous domain border router (Autonomous System
Border Router, ASBR) node.
Embodiment one
In the method for building up of service link provided in an embodiment of the present invention, source single domain controller can be list shown in FIG. 1
Domain controller A, or single domain controller B, purpose single domain controller are the single domain controller opposite with source single domain controller.
If source single domain controller is single domain controller A shown in FIG. 1, purpose single domain controller is single domain controller B shown in FIG. 1.
The method for building up of service link provided in an embodiment of the present invention is suitable for following two different application scenes：
One, business intercommunication between two Autonomous Domains in same local network.
Two, business is across carrying net interconnecting.
Specifically, the first application scenarios is directed to, as shown in Fig. 2, the foundation of service link provided in an embodiment of the present invention
Method includes：
S101, domain collaborative multi controller receive cross-domain service request message.
Wherein, cross-domain service request message includes at least the information of the origination node of cross-domain service and the cross-domain service
The information of terminal node.
Cross-domain service request message is sent to source single domain controller by S102, domain collaborative multi controller.
S103, source single domain controller establish domain between the first autonomous domain border host node and the origination node of cross-domain service
Interior business primary link, and business is established between the first autonomous domain border slave node and the origination node of cross-domain service in domain for chain
Road.
Wherein, the Autonomous Domain of source single domain controller management is the first Autonomous Domain.
In the method for building up of service link provided in an embodiment of the present invention, receives cross-domain service in domain collaborative multi controller and ask
Before asking, source single domain controller has predefined the first autonomous domain border host node and the first Autonomous Domain in the first Autonomous Domain
Boundary slave node.
Cross-domain service request message is sent to purpose single domain controller by S104, domain collaborative multi controller.
S105, purpose single domain controller are established between the second autonomous domain border host node and the terminal node of cross-domain service
Business primary link in domain, and it is standby between the second autonomous domain border slave node and the terminal node of cross-domain service to establish business in domain
Link.
Wherein, the Autonomous Domain of purpose single domain controller management is the second Autonomous Domain.
In the method for building up of service link provided in an embodiment of the present invention, receives cross-domain service in domain collaborative multi controller and ask
Before asking, purpose single domain controller has predefined the second autonomous domain border host node and the second autonomy in the second Autonomous Domain
Domain boundary slave node.
Domain collaborative multi controller in the embodiment of the present invention is in the information for receiving the origination node for including cross-domain service
After the cross-domain service request message of the information of the terminal node of cross-domain service, according to the information of the origination node of cross-domain service and
The cross-domain service request message is respectively sent to source single domain controller and purpose single domain by the information of the terminal node of cross-domain service
Controller, in order to which source single domain controller establishes service link in domain in the first Autonomous Domain, purpose single domain controller is second
Service link in domain is established in Autonomous Domain.
It should be noted that S102 and S104 may be performed simultaneously in the embodiment of the present invention, S102 can also be first carried out, then
S104 is executed, S104 can also be first carried out, then execute S102, the embodiment of the present invention is not specifically limited this.
S106, purpose single domain controller distribute domain pseudowire PW marks according to cross-domain service request message for cross-domain service
Label and tunnel Tunnel labels.
Go out domain PW labels and Tunnel labels in the embodiment of the present invention are that cross-domain service need to when being transmitted in domain-to-domain link
The label to be carried.
S107, purpose single domain controller will go out domain PW labels and Tunnel labels are sent to domain collaborative multi controller.
S108, domain collaborative multi controller by it is received go out domain PW labels and Tunnel label forwardings to source single domain control
Device.
S109, source single domain controller are established and the correspondence of the second Autonomous Domain in the first Autonomous Domain.
The information for going out domain node in first Autonomous Domain is sent to domain collaborative multi controller by S110, source single domain controller.
The information for entering domain node in second Autonomous Domain is sent to domain collaborative multi control by S111, purpose single domain controller
Device.
Wherein, the domain node that goes out in the embodiment of the present invention includes the first autonomous domain border host node and the first autonomous domain border
Slave node, it includes the second autonomous domain border host node and the second autonomous domain border slave node to enter domain node.
Further, the information for going out domain port that single domain controller in source is also determined is sent to domain collaborative multi controller,
The information for entering domain port that purpose single domain controller is also determined is sent to domain collaborative multi controller.
S112, domain collaborative multi controller establish service link between domain between going out domain node and entering domain node.
Specifically, domain collaborative multi controller is between the first autonomous domain border host node and the second autonomous domain border host node
Business primary link between domain is established, industry between domain is established between the first autonomous domain border slave node and the second autonomous domain border slave node
Business standby link.
Domain collaborative multi controller, will be in the domain in the first Autonomous Domain between service link, domain between establishing domain after service link
Service link splices in domain in service link and the second Autonomous Domain, is formed from the origination node of cross-domain service to cross-domain service
The full link of terminal node, in this way, cross-domain service can be realized from the first Autonomous Domain to the transmission of the second Autonomous Domain.
Specifically, transmission of the business datum in the first Autonomous Domain or the transmission in the second Autonomous Domain in the embodiment of the present invention
It is identical with the prior art, it is no longer described in detail herein.Unlike, business datum when going out the first Autonomous Domain, take by business datum
The tag replacement of band is domain PW labels and Tunnel labels, in order to match the knowledge of domain-to-domain link and the second Autonomous Domain interior joint
Not.
Specifically, in second of application scenarios, the method for building up of service link provided in an embodiment of the present invention and first
In kind of application scenarios service link establish it is identical, i.e., it is identical as above-mentioned S101-S112.
In second of application scenarios, business datum needs to carry two layers of tunnel label, outside when by bearer network transmission
Layer tunnel indicates that the channel Tunnel between cross-domain node, internal layer tunnel indicate that the circuit i.e. PW between cross-domain node, business datum are needed
There is this two layers of tunnel label that could realize correct forwarding.Here two layers of tunnel mark that business datum is carried by bearer network transmission
Label are identical as two layers of label that L2VPN business in the prior art carries, and are no longer described in detail herein.
Further, in order to the method for building up for illustrating service link being more clear, the embodiment of the present invention is with Fig. 3 institutes
It is illustrated for the network system shown.As shown in figure 3, the system includes domain collaborative multi controller, single domain controller A, list
Include node AX, AY and A, the Autonomous Domain of single domain controller B management in the Autonomous Domain A that domain controller B, single domain controller A are managed
Comprising there are six node BX, BY and D in B, wherein AX and AY is autonomous domain border node in Autonomous Domain A, and BX and BY are Autonomous Domain
Autonomous domain border node in B.
Domain collaborative multi controller is responsible for monitoring the link load flow in network between AX and BX and between BY and AY.It is false
If the load flow of AX-BX links is relatively low, the link load between BY-AY is higher, then domain collaborative multi controller ties the monitoring
Fruit notices single domain controller A and single domain controller B.Single domain controller A selects AX nodes as the next business to be established
Host node (i.e. autonomous domain border host node in Autonomous Domain A), AY are (i.e. autonomous as the slave node of the next business to be established
Autonomous domain border slave node in the A of domain).Similarly, single domain controller B selects BX nodes as the autonomous domain border in Autonomous Domain B
Host node, BY is as the autonomous domain border slave node in Autonomous Domain B.
As shown in figure 4, when domain collaborative multi controller receives cross-domain service request message, the method for building up of service link
Flow be：
1, domain collaborative multi controller receives the cross-domain service request message that APP is sent.It is wrapped in the cross-domain service request message
The terminal node D of origination node A and cross-domain service containing cross-domain service.
2, cross-domain service request message is respectively sent to single domain controller A and single domain controller by domain collaborative multi controller
B。
3, single domain controller A establishes business primary link in the domain from node A to AX, and business is standby in the domain from node A to AY
Link.Single domain controller B establishes business primary link in the domain from node D to BX, business standby link in the domain from node D to BY.
4, single domain controller B is that cross-domain service distributes TUNNEL labels and goes out domain PW labels.
5, single domain controller B by TUNNEL labels and goes out domain PW labels and is reported to domain collaborative multi controller.
6, domain collaborative multi controller by TUNNEL labels and goes out domain PW labels and is sent to single domain controller A, to help in list
Domain controller A establishes the correspondence of TUNNEL labels, PW labels and Autonomous Domain B in Autonomous Domain A.
7, after being established for the tunnel correspondence of cross-domain service in Autonomous Domain A and Autonomous Domain B, single domain control
The information of the information of boundary host node AX in Autonomous Domain A and boundary slave node AY is sent to domain collaborative multi controller by device A, single
The information of the information of boundary host node BX in Autonomous Domain B and boundary slave node BY is sent to domain collaborative multi control by domain controller B
Device processed.
8, domain collaborative multi controller establishes business primary link between domain between AX and BX, is established between domain between AY and BY
Business standby link.
9, domain collaborative multi controller by business primary link in the domain in Autonomous Domain A, establish business primary link and autonomy between domain
Business primary link is spliced in domain in the B of domain, forms the complete primary link from A nodes to D nodes.Similarly, domain collaborative multi control
Device processed by business standby link in the domain in Autonomous Domain A, establish business standby link in the domain between domain in business standby link and Autonomous Domain B
Spliced, forms the complete standby link from A nodes to D nodes.
In this way, cross-domain service established primary link or standby link can be used to be transmitted.
In summary, this programme by domain collaborative multi controller respectively with source single domain controller, purpose single domain controller it
Between information exchange, realize source single domain controller management the first Autonomous Domain domain in service link, purpose single domain controller management
The second Autonomous Domain domain between service link and the first Autonomous Domain and the second Autonomous Domain between domain service link foundation, in turn
So that cross-domain service is transmitted by established service link, realize cross-domain service in the first Autonomous Domain and the second Autonomous Domain
Between transmission.This programme only needs the relevant configuration of domain collaborative multi controller, source single domain controller and purpose single domain controller,
The intercommunication of trans-sectoral business can be realized, configuration is simple and fast, and efficiency is higher.
Embodiment two
In the method for building up of service link provided in an embodiment of the present invention, cross-domain service is received in domain collaborative multi controller
Before request, which just monitors the first Autonomous Domain and purpose single domain controller pipe of source single domain controller management
The load information of domain-to-domain link between second Autonomous Domain of reason, and the load information got is respectively sent to source single domain
Controller and purpose single domain controller, in order to which source single domain controller and purpose single domain controller are respectively in the autonomy of self-management
Autonomous domain border host node and autonomous domain border slave node are determined in domain, realize the dynamic adjustment to link load.
Therefore, step described in the embodiment of the present invention embodiment one the step of before.
Specifically, the ground method of autonomous domain border host node and autonomous domain border slave node is determined in the embodiment of the present invention,
Including：
S201, domain collaborative multi monitoring control devices simultaneously obtain between at least two domains between the first Autonomous Domain and the second Autonomous Domain
The load information of link.
Wherein, domain-to-domain link is in the first Autonomous Domain any the in any first autonomous domain border node and the second Autonomous Domain
Existing link between two autonomous domain border nodes, the first autonomous domain border node and the second autonomous domain border node exist a pair of
One relationship map.
The first Autonomous Domain of source single domain controller management in the embodiment of the present invention, purpose single domain controller management second are autonomous
Domain.
The load information of at least two domain-to-domain links got is sent to source single domain control by S202, domain collaborative multi controller
Device processed.
For a certain domain-to-domain link at least two domain-to-domain links, if the domain-to-domain link is by the first Autonomous Domain side
Boundary node A and the second autonomous domain border node B compositions, then the load information of the domain-to-domain link includes the first autonomous domain border node
The load information of the load information of A and the second autonomous domain border node B.
Optionally, domain collaborative multi controller can be periodically by least two domain-to-domain links in the embodiment of the present invention
Load information is sent to source single domain controller, can also be in the load letter for detecting at least two domain-to-domain links that it gets
When the load of wherein one domain-to-domain link is greater than or equal to the first predetermined threshold value in breath, the load of at least two domain-to-domain links is believed
Breath is sent to source single domain controller, can also be in the load information for detecting at least two domain-to-domain links that it gets it
In the load of a domain-to-domain link be greater than or equal to the first predetermined threshold value, and the load of an other domain-to-domain link is less than or equal to
When the second predetermined threshold value, the load information of at least two domain-to-domain links is sent to source single domain controller, the embodiment of the present invention pair
This is not especially limited.
S203, source single domain controller determine autonomous domain border master according to load information and preset rules in the first Autonomous Domain
Node and autonomous domain border slave node.
For source single domain controller after the load information for receiving the transmission of domain collaborative multi controller, acquisition belongs to the first autonomy
The load information of boundary node in domain, and according to preset rules determine autonomous domain border host node in the first Autonomous Domain and from
Control domain boundary slave node.
Wherein, the preset rules in the embodiment of the present invention can be the autonomy that will be loaded less than or equal to the second predetermined threshold value
Domain boundary node is determined as autonomous domain border host node, the autonomous domain border node by load more than or equal to the first predetermined threshold value
It is determined as autonomous domain border slave node；Can also be that the minimum autonomous domain border node of load is determined as the main section of autonomous domain border
Point will load maximum autonomous domain border node and be determined as autonomous domain border slave node.
The load information of at least two domain-to-domain links got is sent to purpose single domain by S204, domain collaborative multi controller
Controller.
S205, purpose single domain controller determine autonomous domain border according to load information and preset rules in the second Autonomous Domain
Host node and autonomous domain border slave node.
Interaction between purpose single domain controller and domain collaborative multi controller can refer to above-mentioned source single domain controller with it is more
Interaction between the collaborative controller of domain, is no longer described in detail herein.
It should be noted that S202 and S204 may be performed simultaneously in the embodiment of the present invention, S202 can also be first carried out, then
S204 is executed, S204 can also be first carried out, then execute S202, the embodiment of the present invention is not specifically limited this.
The embodiment of the present invention determines autonomous domain border host node and autonomy by source single domain controller in the first Autonomous Domain
Domain boundary slave node, purpose single domain controller determine autonomous domain border host node and the standby section of autonomous domain border in the second Autonomous Domain
The mode of point realizes and is conducive to Network Load Balance to the dynamic adjustment of link load.
Embodiment three
The embodiment of the present invention provides a kind of domain collaborative multi controller, and the domain collaborative multi controller is for executing in above method
Domain collaborative multi controller performed by step.Domain collaborative multi controller may include the module corresponding to corresponding steps.Such as Fig. 6
Shown, which includes：
Receiving unit 10, for receiving cross-domain service request message, the cross-domain service request message includes at least cross-domain
The information of the terminal node of the information of the origination node of business and the cross-domain service.
Transmission unit 11, the cross-domain service request message for receiving the receiving unit 10 are respectively sent to
Source single domain controller and purpose single domain controller, so that the source single domain controller and purpose single domain controller are respectively according to institute
It states cross-domain service request message and establishes service link in domain in self-management Autonomous Domain, wherein the origination node belongs to
First Autonomous Domain of the source single domain controller management, the terminal node belong to the of the purpose single domain controller management
Two Autonomous Domains.
The receiving unit 10, is additionally operable to receive that the source single domain controller sends goes out the information of domain node, and receives
The information for entering domain node that the purpose single domain controller is sent.
Link establishment unit 12, for go out described in being received in the receiving unit 11 domain node with it is described enter domain node
Between establish service link between domain, to realize business by service link between the domain in first Autonomous Domain and described second
The transmission of Autonomous Domain.
Further, the receiving unit 10, is additionally operable to receive that the purpose single domain controller sends goes out domain pseudowire
PW labels and tunnel Tunnel labels.
Further, the transmission unit 11 is additionally operable to the PW labels and the Tunnel label forwardings to described
Source single domain controller.
Further, as shown in fig. 7, the domain collaborative multi controller further includes acquiring unit 13,
The acquiring unit 13, the load information for obtaining at least two domain-to-domain links, the domain-to-domain link are first
In Autonomous Domain in any first autonomous domain border node and second Autonomous Domain between any second autonomous domain border node
Has link, there are one-one relationship mappings with the second autonomous domain border node for the first autonomous domain border node.
Further, the transmission unit 11, be additionally operable to by the acquiring unit 13 get described at least two domains
Between the load information of link be respectively sent to the source single domain controller and the purpose single domain controller so that the source is single
Domain controller determines autonomous domain border host node and oneself according to the load information and preset rules in first Autonomous Domain
Domain boundary slave node is controlled, the purpose single domain controller is according to the load information and preset rules in second Autonomous Domain
Determine autonomous domain border host node and autonomous domain border slave node.
It is appreciated that the domain collaborative multi controller of the present embodiment can correspond to it is above-mentioned as Fig. 2, Fig. 3 and Fig. 5 are one of arbitrary
Domain collaborative multi controller in the method for building up of the service link of the embodiment described, and the domain collaborative multi control of the present embodiment
The division of modules in device and/or function etc. be for realizing as Fig. 2, Fig. 3 and Fig. 5 it is one of arbitrary shown in method stream
Journey, for sake of simplicity, details are not described herein.
Another embodiment of the present invention provides a kind of domain collaborative multi controller.As shown in figure 8, the domain collaborative multi controller includes
Interface circuit 110, processor 111, memory 112 and system bus 113.Interface circuit 110, processor 111 and memory 112
Between connected by system bus 113.
When the domain collaborative multi controller is run, the domain collaborative multi controller is executed as Fig. 2, Fig. 3 and Fig. 5 are arbitrary
One of the service link of the embodiment described method for building up.The method for building up of specific service link can be found in it is above-mentioned as Fig. 2,
Associated description in embodiment shown in Fig. 3 and Fig. 5 is one of arbitrary, details are not described herein again.
Specifically, the processor 111 can be CPU (Central Processing Unit, central processing unit).Institute
It can also be other general processors, DSP (Digital Signal Processing Digital Signal Processing to state processor 111
Device) either other programmable logic device or transistor logic, discrete hardware components etc..General processor can be micro-
Processor or the processor can also be any conventional processor etc..
The processor 111 can be application specific processor, which may include baseband processing chip, at radio frequency
Manage at least one of chip etc..Further, which can also include having other dedicated processes of microwave equipment
The chip of function.
Specifically, the memory 112 may include volatile memory (English：Volatile Memory), such as
RAM (Random-access Memory, random access memory)；The memory 112 can also include non-volatile memories
Device (English：Non-volatile Memory), for example, ROM (Read-only Memory, read-only memory), flash memory
(English：Flash Memory), (Solid-State Drive, solid-state are hard by HDD (Hard Disk Drive, hard disk) or SSD
Disk)；The memory 112 can also include the combination of the memory of mentioned kind.
The system bus 113 may include data/address bus, power bus, controlling bus and signal condition bus etc..This
For clear explanation in embodiment, various buses are all illustrated as system bus 113 in fig. 8.
Example IV
The embodiment of the present invention provides a kind of single domain controller, which is used to execute the single domain control in above method
Step performed by device processed.Single domain controller may include the module corresponding to corresponding steps.As shown in figure 9, the single domain controls
Device includes：
Receiving unit 20, the cross-domain service request message for receiving the transmission of domain collaborative multi controller, the cross-domain service
Request message includes the information of the node of cross-domain service.
Link establishment unit 21, for being received in its preconfigured autonomous domain border host node and the receiving unit 20
To the cross-domain service node between establish business primary link in domain, and in its preconfigured autonomous domain border slave node
Business standby link in domain, the single domain controller are established between the node of the cross-domain service that receives of the receiving unit
Manage the Autonomous Domain.
Further, the receiving unit 20 is additionally operable to receive the load information that the domain collaborative multi controller is sent, institute
State the load information that load information includes at least two autonomous domain border nodes in the Autonomous Domain.
Further, as shown in Figure 10, the single domain controller further includes determination unit 22,
The determination unit 22, for being received according to preset rules and the receiving unit 20 described at least two from
The load information of domain boundary node is controlled, determines autonomous domain border host node and autonomous domain border slave node respectively.
It is appreciated that the single domain controller of the present embodiment can correspond to it is above-mentioned as described in Fig. 2, Fig. 3 and Fig. 5 are one of arbitrary
Single domain controller in the method for building up of the service link of embodiment, and the modules in the single domain controller of the present embodiment
Division and/or function etc. be for realizing as Fig. 2, Fig. 3 and Fig. 5 it is one of arbitrary shown in method flow, for sake of simplicity,
This is repeated no more.
Another embodiment of the present invention provides a kind of single domain controller.As shown in figure 11, which includes interface electricity
Road 30, processor 31, memory 32 and system bus 33.Pass through system between interface circuit 30, processor 31 and memory 32
Bus 33 connects.
When the single domain controller is run, the single domain controller execute as Fig. 2, Fig. 3 and Fig. 5 one of arbitrarily as described in
The method for building up of the service link of embodiment.The method for building up of specific service link can be found in above-mentioned as Fig. 2, Fig. 3 and Fig. 5 appoint
Associated description in embodiment shown in one of meaning, details are not described herein again.
Specifically, the processor 31 can be CPU.The processor 31 can also be other general processors, DSP or
Other programmable logic device of person or transistor logic, discrete hardware components etc..General processor can be microprocessor
Device or the processor can also be any conventional processor etc..
The processor 31 can be application specific processor, which may include baseband processing chip, at radio frequency
Manage at least one of chip etc..Further, which can also include having other dedicated processes of microwave equipment
The chip of function.
Specifically, the memory 32 may include volatile memory, such as RAM；The memory 32 can also wrap
Include nonvolatile memory, such as ROM, flash memory, HDD or SSD；The memory 32 can also include mentioned kind
Memory combination.
The system bus 33 may include data/address bus, power bus, controlling bus and signal condition bus etc..This reality
It applies for clear explanation in example, various buses is all illustrated as system bus 33 in fig. 11.
It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function
The division progress of module, can be as needed and by above-mentioned function distribution by different function moulds for example, in practical application
Block is completed, i.e., the internal structure of device is divided into different function modules, to complete all or part of work(described above
Energy.The specific work process of the system, apparatus, and unit of foregoing description can refer to corresponding in preceding method embodiment
Journey, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or
The division of unit, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units
Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute
Display or the mutual coupling, direct-coupling or communication connection discussed can be by some interfaces, device or unit
INDIRECT COUPLING or communication connection can be electrical, machinery or other forms.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of method for building up of service link, which is characterized in that including：
Domain collaborative multi controller receives cross-domain service request message, and the cross-domain service request message includes at least cross-domain service
The information of the terminal node of the information of origination node and the cross-domain service；
The cross-domain service request message is respectively sent to source single domain controller and purpose single domain by the domain collaborative multi controller
Controller, so that the source single domain controller and purpose single domain controller are respectively according to the cross-domain service request message certainly
Service link in domain is established in barrel reason Autonomous Domain, wherein the origination node belongs to the source single domain controller management
First Autonomous Domain, the terminal node belong to the second Autonomous Domain of the purpose single domain controller management；
What the domain collaborative multi controller received that the purpose single domain controller sends goes out domain pseudowire PW labels and tunnel
Tunnel labels；
The domain collaborative multi controller is by the PW labels and the Tunnel label forwardings to the source single domain controller；
What the domain collaborative multi controller received that the source single domain controller sends goes out the information of domain node, and receives the purpose
The information for entering domain node that single domain controller is sent；
The domain collaborative multi controller it is described go out domain node and it is described enter domain node between establish service link between domain, to realize
Business by service link between the domain first Autonomous Domain and second Autonomous Domain transmission.
2. method for building up according to claim 1, which is characterized in that the domain collaborative multi controller receives cross-domain service and asks
Before seeking message, the method for building up further includes：
The domain collaborative multi controller obtains the load information of at least two domain-to-domain links, and the domain-to-domain link is the first Autonomous Domain
In existing chain in any first autonomous domain border node and second Autonomous Domain between any second autonomous domain border node
Road, there are one-one relationship mappings with the second autonomous domain border node for the first autonomous domain border node；
The domain collaborative multi controller will get described at least two domain-to-domain links load information be respectively sent to it is described
Source single domain controller and the purpose single domain controller, so that the source single domain controller is according to the load information and presets
Rule determines autonomous domain border host node and autonomous domain border slave node, the purpose single domain control in first Autonomous Domain
Device determines autonomous domain border host node and Autonomous Domain side according to the load information and preset rules in second Autonomous Domain
Boundary's slave node.
3. a kind of method for building up of service link, which is characterized in that including：
Single domain controller receives the load information that domain collaborative multi controller is sent, and the load information includes at least two in Autonomous Domain
The load information of a autonomous domain border node；
The single domain controller determines respectively according to the load information of preset rules and at least two autonomous domain borders node
Autonomous domain border host node and autonomous domain border slave node；
The single domain controller receives the cross-domain service request message that the domain collaborative multi controller is sent, and the cross-domain service is asked
It includes the information of the node of cross-domain service to seek message；
The single domain controller is established between its preconfigured autonomous domain border host node and the node of the cross-domain service
Business primary link in domain, and establish domain between its preconfigured autonomous domain border slave node and the node of the cross-domain service
Interior business standby link, Autonomous Domain described in the single domain controller management.
4. method for building up according to claim 3, which is characterized in that the information of the node of the cross-domain service includes cross-domain
The information of the terminal node of the information of the origination node of business and the cross-domain service；
The single domain controller is source single domain controller, correspondingly, the single domain controller is on its preconfigured Autonomous Domain side
Business primary link in domain is established between boundary's host node and the node of the cross-domain service, and in its preconfigured autonomous domain border
Business standby link in domain is established between slave node and the node of the cross-domain service, including：
Source single domain controller the origination node of its preconfigured first autonomous domain border host node and the cross-domain service it
Between establish business primary link in domain, and originating in its preconfigured first autonomous domain border slave node and the cross-domain service
Business standby link in domain, the first Autonomous Domain of the source single domain controller management are established between node；
Alternatively,
The single domain controller is purpose single domain controller, correspondingly, the single domain controller is in its preconfigured Autonomous Domain
Business primary link in domain is established between boundary host node and the node of the cross-domain service, and on its preconfigured Autonomous Domain side
Business standby link in domain is established between boundary's slave node and the node of the cross-domain service, including：
Terminal node of the purpose single domain controller in its preconfigured second autonomous domain border host node and the cross-domain service
Between establish business primary link in domain, and at the end of its preconfigured second autonomous domain border slave node and the cross-domain service
Business standby link in domain, the second Autonomous Domain of the purpose single domain controller management are only established between node.
5. a kind of domain collaborative multi controller, which is characterized in that including：
Receiving unit, for receiving cross-domain service request message, the cross-domain service request message includes at least cross-domain service
The information of the terminal node of the information of origination node and the cross-domain service；
Transmission unit, the cross-domain service request message for receiving the receiving unit are respectively sent to source single domain control
Device processed and purpose single domain controller, so that the source single domain controller and purpose single domain controller are respectively according to the cross-domain industry
Business request message establishes service link in domain in self-management Autonomous Domain, wherein it is single that the origination node belongs to the source
First Autonomous Domain of domain controller management, the terminal node belong to the second autonomy of the purpose single domain controller management
Domain；
The receiving unit, is additionally operable to receive that the purpose single domain controller sends goes out domain pseudowire PW labels and tunnel
Tunnel labels；
The transmission unit is additionally operable to the PW labels and the Tunnel label forwardings to the source single domain controller；
The receiving unit, is additionally operable to receive that the source single domain controller sends goes out the information of domain node, and receives the mesh
Single domain controller send the information for entering domain node；
Link establishment unit, for go out described in being received in the receiving unit domain node and it is described enter domain node between establish
Service link between domain, to realize business by service link between the domain in first Autonomous Domain and second Autonomous Domain
Transmission.
6. domain collaborative multi controller according to claim 5, which is characterized in that
The domain collaborative multi controller further includes acquiring unit,
The acquiring unit, the load information for obtaining at least two domain-to-domain links, the domain-to-domain link are the first Autonomous Domain
In existing chain in any first autonomous domain border node and second Autonomous Domain between any second autonomous domain border node
Road, there are one-one relationship mappings with the second autonomous domain border node for the first autonomous domain border node；
The transmission unit, be additionally operable to by the acquiring unit get described at least two domain-to-domain links load information point
It is not sent to the source single domain controller and the purpose single domain controller, so that the source single domain controller is according to described negative
Information carrying ceases and preset rules determine autonomous domain border host node and autonomous domain border slave node in first Autonomous Domain, described
Purpose single domain controller determines the main section of autonomous domain border according to the load information and preset rules in second Autonomous Domain
Point and autonomous domain border slave node.
7. a kind of single domain controller, which is characterized in that including：
Receiving unit, for receive domain collaborative multi controller transmission load information, the load information include Autonomous Domain in extremely
The load information of few two autonomous domain border nodes；
Determination unit, at least two autonomous domain borders node for being received according to preset rules and the receiving unit
Load information, determine autonomous domain border host node and autonomous domain border slave node respectively；
The receiving unit, the cross-domain service request message sent for receiving the domain collaborative multi controller, the cross-domain industry
Business request message includes the information of the node of cross-domain service；
Link establishment unit, described in being received in its preconfigured autonomous domain border host node and the receiving unit
It establishes business primary link in domain between the node of cross-domain service, and in its preconfigured autonomous domain border slave node and described connects
It receives and establishes business standby link in domain between the node of the cross-domain service that unit receives, described in the single domain controller management
Autonomous Domain.
8. a kind of network system, which is characterized in that wanted including domain collaborative multi controller such as described in claim 5 or 6, such as right
Seek single domain controller and the forwarding unit described in 7；Wherein, the domain collaborative multi controller passes through net with the single domain controller
Network connects, and for the single domain controller with the forwarding unit by network connection, the forwarding unit is the single domain controller
Node in the Autonomous Domain of management.
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| CN106357443B (en) * | 2016-09-14 | 2019-08-02 | 中国联合网络通信集团有限公司 | A kind of method and apparatus of network configuration |
| CN108574627B (en) * | 2017-03-08 | 2021-08-31 | 国网信息通信产业集团有限公司 | SDN network multi-control-domain cooperative management method and system |
| CN107465615B (en) * | 2017-08-03 | 2020-05-05 | 全球能源互联网研究院有限公司 | Routing determination method based on layered multi-domain and controller |
| CN109788018B (en) * | 2017-11-15 | 2021-08-06 | 中国移动通信有限公司研究院 | Cross-domain service intercommunication method, network equipment and storage medium |
| CN109962848A (en) * | 2017-12-22 | 2019-07-02 | 杭州达乎科技有限公司 | The methods, devices and systems of cross-domain MPLS label distribution are realized in a kind of SDN network |
| CN108512758B (en) | 2018-03-07 | 2021-09-14 | 华为技术有限公司 | Message processing method, controller and forwarding equipment |
| CN112565074A (en) * | 2020-11-27 | 2021-03-26 | 中国联合网络通信集团有限公司 | Target path determination method and multi-domain controller |
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