CN106549873A - Communication means and system between a kind of isomery controller - Google Patents
Communication means and system between a kind of isomery controller Download PDFInfo
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- CN106549873A CN106549873A CN201611129381.9A CN201611129381A CN106549873A CN 106549873 A CN106549873 A CN 106549873A CN 201611129381 A CN201611129381 A CN 201611129381A CN 106549873 A CN106549873 A CN 106549873A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
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Abstract
The communication means and system between a kind of isomery controller is embodiments provided, including：Receive the first Link Layer Discovery Protocol message that switch sends in the domain of the first domain controller；Second Link Layer Discovery Protocol message is determined according to the first Link Layer Discovery Protocol message；The second Link Layer Discovery Protocol message is packaged, south orientation agreement bearing message is obtained；The south orientation agreement bearing message is sent to super controller, so that the super controller obtains inter-domain link information；Obtain the network information in the domain of each domain controller；The network information in the domain is packaged, the first message is obtained；First message is sent to into super controller, so that the super controller obtains the network information in the domain of each domain controller, the communication between isomery controller is carried out according to the network information in the inter-domain link information and the domain.The embodiment of the present invention, to realize supporting the collaborative work between isomery controller.
Description
Technical field
The present invention relates to networking technology area, the communication means and system between more particularly to a kind of isomery controller.
Background technology
Software defined network (Software Defined Network, SDN) based on new network framework becomes in recent years
Carry out the study hotspot of network field.Wherein, control plane is the core position of SDN frameworks, is responsible for the control of whole bottom-layer network
And management.As SDN scale constantly expands, it is management large scale network, particularly in the network of isomerization, needs portion
Many isomery controllers of administration's collaborative work.
It is existing to be based on horizontal framework for many isomery controller cooperative approach, it is full annexation between controller,
The respective network information is shared each other, each controller is owned by global network information, pass through data exchange reality between controller
Existing collaborative work, system effectiveness operation are low.Therefore, for the cooperation between isomery SDN controllers, need a kind of efficient communication badly
Method.
The content of the invention
The purpose of the embodiment of the present invention is to provide the communication means and system between a kind of isomery controller, to realize propping up
Hold the collaborative work between the isomery controller of vertical configuration.Concrete technical scheme is as follows：
In a first aspect, the invention discloses a kind of communication means between isomery controller, is applied to domain controller, wrapping
Include：
Receive the first Link Layer Discovery Protocol message that switch sends in the domain of the first domain controller；According to described first
Link Layer Discovery Protocol message determines the second Link Layer Discovery Protocol message；
The second Link Layer Discovery Protocol message is packaged, south orientation agreement bearing message is obtained；
The south orientation agreement bearing message is sent to super controller, so that the super controller obtains domain-to-domain link letter
Breath；
Obtain the network information in the domain of each domain controller；The network information in the domain is packaged, the first report is obtained
Text；
First message is sent to into super controller, so that the super controller obtains described each domain controller
Domain in the network information, carried out according to the network information in the inter-domain link information and the domain logical between isomery controller
Letter, wherein, described each domain controller includes first domain controller.
Optionally, the first Link Layer Discovery Protocol that switch sends in the domain for receiving first domain controller
Before message, methods described also includes：
Obtain the unique identification information ID of first domain controller；
First domain controller is each port assignment one of each switch in the domain of first domain controller
Virtual port number；
According to the ID and one virtual port number of first domain controller, determine that first link layer finds association
View message；
The first Link Layer Discovery Protocol message is sent to into switch in the domain of the second domain controller, wherein, it is described
Second domain controller and first domain controller are the controllers of isomery.
Optionally, it is described receive the first domain controller domain in switch send the first Link Layer Discovery Protocol message
Before, methods described also includes：
Receive the first Link Layer Discovery Protocol message of the second domain controller transmission；
When switch in the domain of the first domain controller for receiving the first Link Layer Discovery Protocol message port not by
When being defined as virtual port, the port for receiving the first Link Layer Discovery Protocol message is defined as into the virtual terminal in the first domain
Mouthful, and distribute virtual port number for the virtual port, wherein, the domain that first domain is controlled by first domain controller.
It is optionally, described that second Link Layer Discovery Protocol message is determined according to the first Link Layer Discovery Protocol message,
Including：
Obtain and receive the first Link Layer Discovery Protocol message, the virtual port of the virtual port in first domain
Number, the virtual port number is added in the first Link Layer Discovery Protocol message, second link layer is obtained and is found
Protocol massages.
Optionally, in the domain, network packet is included：It is reachable between the virtual port information of virtual switch, virtual port
Property information and host information；Wherein, the network that the virtual switch is controlled by each controller；
First message includes：Accessibility message and host information report between virtual port information message, virtual port
Text；
It is described that the network information in the domain is packaged, the first message is obtained, including：
The virtual port information is encapsulated, the virtual port information message is obtained；
Reachability information between the virtual port is encapsulated, the accessibility message between the virtual port is obtained；
The host information is encapsulated, the host information message is obtained；
Wherein, described each domain controller includes：First domain controller and second domain controller.
Second aspect, the embodiment of the invention discloses the communication means between a kind of isomery controller, is applied to super control
Device processed, including：
The first message that each domain controller sends is received, first message is parsed, described each domain controller is obtained
Domain in the network information；In the domain, network packet is included：Reachability information and main frame between virtual port information, virtual port
Information；First message includes：Accessibility message and host information message between virtual port information message, virtual port；
Receive the south orientation agreement bearing message that each domain controller sends；The south orientation agreement bearing message is parsed, is obtained
Inter-domain link information between described each domain controller；
According to the network information in the domain and the inter-domain link information, global network information is generated.
Optionally, the parsing first message, obtains the network information in the domain of each domain controller, including：
The virtual port information message is parsed, the virtual port information of each domain controller is obtained；
Accessibility message between the virtual port is parsed, the accessibility between the virtual port of each domain controller is obtained
Information；
The host information message is parsed, the host information of each domain controller is obtained.
Optionally, the parsing south orientation agreement bearing message, obtains chain between the domain between described each domain controller
Road information, including：
The south orientation agreement bearing message is parsed, the second Link Layer Discovery Protocol message is obtained；
The second Link Layer Discovery Protocol message is analyzed, the domain-to-domain link letter between described each domain controller is obtained
Breath.
Optionally, it is described according to the network information in the domain and the inter-domain link information, generate global network information it
Afterwards, methods described also includes：
When the first object south orientation agreement bearing message that the first domain controller sends is received, the first object south is parsed
To agreement bearing message, south orientation protocol massages are obtained；The south orientation protocol massages are parsed, obtaining first domain controller can not
The network packet of process；
Obtain the destination host address in the network packet；According to the network information in the domain, the purpose is determined
The second domain controller that host address is located；First domain controller is calculated to the cross-domain path of second domain controller；
According to the global network information and the cross-domain path, forwarding Rule Information is generated, by the forwarding rule envelope
Fill as the second south orientation agreement bearing message, and at least one the 3rd domain controllers being sent on the cross-domain path, so that institute
Stating at least one the 3rd domain controllers cooperates with first domain controller to process the network packet, and described at least one the 3rd
Domain controller includes second domain controller.
The third aspect, the embodiment of the invention discloses the communication system between a kind of isomery controller, is applied to software fixed
In adopted network, the system includes：Super controller and at least one domain controller；
Wherein,
The super controller is used for, and receives the first message that each domain controller sends, and parses first message, obtains
The network information in the domain of each domain controller；Receive the south orientation agreement bearing message that each domain controller sends；Parsing
The south orientation agreement bearing message, obtains the inter-domain link information between described each domain controller；According to network in the domain
Information and the inter-domain link information, generate global network information；In the domain, network packet is included：Virtual port information, void
Intend the reachability information and host information between port；First message includes：Between virtual port information message, virtual port
Accessibility message and host information message；
At least one domain controller is used for, and receives the first link layer that switch sends in the domain of the first domain controller
It was found that protocol massages；Second Link Layer Discovery Protocol message is determined according to the first Link Layer Discovery Protocol message；And, use
In being packaged to the second Link Layer Discovery Protocol message, south orientation agreement bearing message is obtained；And, for super control
Device processed sends the south orientation agreement bearing message, so that the super controller obtains inter-domain link information；And, for obtaining
The network information in the domain of each domain controller；The network information in the domain is packaged, the first message is obtained；And, it is used for
First message is sent to into super controller, so that the super controller obtains the domain Intranet of each domain controller
Network information, carries out the communication between isomery controller according to the network information in the inter-domain link information and the domain, described each
Individual domain controller includes first domain controller.
Communication means and system between a kind of isomery controller provided in an embodiment of the present invention, methods described include：Connect
Receive the first Link Layer Discovery Protocol message of the first domain controller transmission；Determined according to the first Link Layer Discovery Protocol message
Second Link Layer Discovery Protocol message；The second Link Layer Discovery Protocol message is packaged, the carrying of south orientation agreement is obtained
Message；The south orientation agreement bearing message is sent to super controller, so that the super controller obtains inter-domain link information；
Obtain the network information in the domain of first domain controller；The network information in the domain is packaged, the first message is obtained；Will
First message is sent to super controller, so that the super controller obtains network letter in the domain of each domain controller
Breath, carries out the communication between isomery controller according to the network information in the inter-domain link information and the domain.Using the present invention
Embodiment, it is possible to achieve many isomery controller Collaborative Control based on vertical configuration stratification region grading control, to support isomery control
Collaborative work between device processed, enhances the extensibility between isomery controller in SDN.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of communication means between isomery controller provided in an embodiment of the present invention；
Fig. 2 is the structural representation of the isomery controller of SDN provided in an embodiment of the present invention；
Fig. 3 is the communication means another kind schematic flow sheet between isomery controller provided in an embodiment of the present invention；
Fig. 4 is the communication means another kind schematic flow sheet between isomery controller provided in an embodiment of the present invention；
Fig. 5 is the communication system architecture figure between a kind of isomery controller provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
First below the communication means between a kind of isomery controller provided in an embodiment of the present invention is introduced.
With reference to Fig. 1, Fig. 1 is that a kind of flow process of communication means between isomery controller provided in an embodiment of the present invention is illustrated
Figure, the method are comprised the following steps：
S101, receives the first Link Layer Discovery Protocol message that switch sends in the domain of the first domain controller；According to institute
State the first Link Layer Discovery Protocol message and determine the second Link Layer Discovery Protocol message；
In practical application, in the domain of the first domain controller, switch is packaged to the first Link Layer Discovery Protocol message,
South orientation protocol massages are obtained, the south orientation protocol massages are sent to the first domain controller by switch in the domain of the first domain controller,
First domain controller parses received south orientation protocol massages, obtains the first Link Layer Discovery Protocol message, then according to this
One Link Layer Discovery Protocol message, determines the second Link Layer Discovery Protocol message.
It should be noted that the first Link Layer Discovery Protocol message is that switch is sent in the domain of the second domain controller
Switch in the domain of the first domain controller.
Specifically, it is described receive first domain internal controller domain in switch send the first link layer find association
Before view message, methods described also includes：
Obtain the unique identification information ID of first domain controller；
First domain controller is each port assignment one of each switch in the domain of first domain controller
Virtual port number；
According to the ID and one virtual port number of first domain controller, determine that first link layer finds association
View message；
The first Link Layer Discovery Protocol message is sent to into switch in the domain of the second domain controller, wherein, it is described
Second domain controller and first domain controller are the controllers of isomery.
For example, as shown in Fig. 2 the SDN control planes of vertical configuration include：One super controller 210 and at least one
Domain controller 220, whole network are divided into multiple domains, and one piece of SDN domains Intranet is responsible for and is controlled to each domain controller 220
Network 230, wherein, the switch in domain controlled by oval expression domain controller 220, broken line represent what domain controller was controlled
Link between domain.
Wherein, the first domain controller is any one domain controller at least one domain controller 220, and each first domain is controlled
Device processed corresponds to unique ID as first domain controller ID, for identifying the domain that first domain controller is located.Wherein, the first domain
Include at least one switch in the domain controlled by controller, the first domain controller is each end of each switch in the domain
Mouth one virtual port number of distribution, according to the virtual port number and the first domain controller ID, builds the first Link Layer Discovery Protocol
Message, for example：First Link Layer Discovery Protocol message { source domain ID, virtual port number }, wherein, source domain ID is the first domain
Controller ID.It is understood that the quantity of the first Link Layer Discovery Protocol message is at least one.
After the first Link Layer Discovery Protocol message is determined, in the domain of the first domain controller, switch is by first link
Layer finds that protocol massages are sent to switch in the domain of the second domain controller, wherein, the second domain controller is controlled with the first domain
The domain controller of device isomery, here, the quantity of the first Link Layer Discovery Protocol message can be multiple, so at least one second
In the domain of domain controller, switch receives the first Link Layer Discovery Protocol message.
Specifically, the present invention the first implementation in, it is described receive the first domain controller domain in switch
Before the first Link Layer Discovery Protocol message for sending, methods described also includes：
Receive the first Link Layer Discovery Protocol message of the second domain controller transmission；
When switch in the domain of the first domain controller for receiving the first Link Layer Discovery Protocol message port not by
When being defined as virtual port, the port for receiving the first Link Layer Discovery Protocol message is defined as into the virtual terminal in the first domain
Mouthful, and distribute virtual port number for the virtual port, wherein, first domain is the first domain controller institute controller
Domain；
In practical application, in the domain of the first domain controller, a port of switch is received in the domain of the second domain controller and is handed over
Change planes the first Link Layer Discovery Protocol message of transmission, it is assumed that receive the first domain control of the first Link Layer Discovery Protocol message
In the domain of device processed, the port of switch is not determined to virtual port, then this is not determined to the virtual port in the first domain, together
When, distribute a virtual port number to the virtual port.For example, receive the first domain control of the first Link Layer Discovery Protocol message
In the domain of device, the port of switch is not determined to virtual port, is the port assignment " 1 " of switch in the domain as the domain
Virtual port number, or for switch in the domain port assignment " 2 " as the domain virtual port number, wherein, the first domain is institute
State the domain of the first domain controller institute controller.It will be appreciated that the second domain is the domain of the second domain controller institute controller, here,
It is a virtual switch that the domain of each domain controller institute controller is abstract, each one domain of virtual switch correspondence, each domain
Virtual port namely each virtual switch virtual port.It is namely virtual for each for each domain distribution virtual port
Switch distributes virtual port.
It is understood that receiving the end of switch in the domain of the first domain controller of the first Link Layer Discovery Protocol message
Mouthful specifically, the port of switch in the domain that controlled of first domain controller, the domain controlled by first domain controller
The port of interior switch is used as the first domain virtual port, and distributes a virtual port number for the virtual port, and this is pin
When not having the situation of virtual port number to virtual port, the first domain controller is the virtual port distribution one for not having virtual port number
Individual virtual port number.
In addition, the first domain controller can construct the first chain according to the ID of first domain controller and the virtual port number
Road floor finds protocol massages, meanwhile, will hand in domain of the first Link Layer Discovery Protocol message of construction by the first domain controller
Change planes and be sent to switch in the domain of the second domain control.
Specifically, it is in the first implementation of the present invention, described according to the first Link Layer Discovery Protocol message
Determine the second Link Layer Discovery Protocol message, including：
Obtain and receive the first Link Layer Discovery Protocol message, the virtual port of the virtual port in first domain
Number, the virtual port number is added in the first Link Layer Discovery Protocol message, second link layer is obtained and is found
Protocol massages.
Switch receives the first Link Layer Discovery Protocol report of the second domain controller construction in the domain of the first domain controller
Wen Hou, directly obtains the virtual port number of the virtual port, and the virtual port number for being obtained is added to first link layer
It was found that in protocol massages { source domain ID, virtual port number }, obtaining the second Link Layer Discovery Protocol message { source domain ID, virtual port
Number, purpose virtual port number.
It is understood that the second domain controller is generated according to the ID of the second controller and the virtual port number in the second domain
The first Link Layer Discovery Protocol message in the second domain, i.e. { source domain ID, virtual port number }, source domain ID here are controlled for the second domain
The ID of device, virtual port number are the virtual port numbers in the second domain, and the virtual port number in second domain can be the second domain controller
For the allocated virtual port number in the second domain.In the domain of the second domain controller, switch is by first link discovery protocols in the second domain
Message is sent to switch in the domain of the first domain controller, so that first link discovery of first domain controller according to second domain
Protocol massages, construct the second link discovery protocols message in the first domain controller place domain, the first domain controller and the second domain
Controller is isomery.Here, the first domain controller is the arbitrary domain controller except the second domain controller.
S102, is packaged to the second Link Layer Discovery Protocol message, obtains south orientation agreement bearing message；
Generally, communicated with the first preset format message between super controller and each domain controller, for example, preset
Form message can include south orientation agreement bearing message.Here, the second Link Layer Discovery Protocol message is encapsulated, obtains south orientation association
View bearing message.It can be seen that, super controller and each domain controller are with the form message of south orientation agreement bearing message.
S103, sends the south orientation agreement bearing message to super controller, so that the super controller is obtained between domain
Link information；
The second Link Layer Discovery Protocol message of each domain control is encapsulated in south orientation agreement bearing message, due to the second chain
Road floor finds that protocol massages include：Source domain ID, virtual port number, purpose virtual port number, it is seen then that super controller can be with root
According to the second Link Layer Discovery Protocol message, the link information between each domain controller, i.e. inter-domain link information are obtained.
S104, obtains the network information in the domain of each domain controller；The network information in the domain is packaged, is obtained
One message；
In practical application, each domain controller can not directly to the network information in super controller sending domain, can be by domain
The interior network information is packaged, and obtains the second preset format message, and the second preset format message is sent to super controller.
Wherein, in the domain, network packet is included：Accessibility between the virtual port information of virtual switch, virtual port
Information and host information；Wherein, the network that the virtual switch is controlled by each controller；
First message includes：Accessibility message and host information report between virtual port information message, virtual port
Text；
Wherein, virtual switch is the abstract conception of network in domain that each domain controller is controlled, that is, by domain
Network regards virtual switch as, and in the domain controlled by each domain controller, network includes at least one switch, by each domain
Controller it is controlled in domain network abstraction be a virtual switch, that is, each domain is a virtual switch.Here,
When the first Link Layer Discovery Protocol message that switch in the domain of a domain controller is received is not the domain controller place domain
The first Link Layer Discovery Protocol message for sending of other switches, then will receive the first Link Layer Discovery Protocol message
The port of switch is defined as virtual port, and distributes a virtual port number to the virtual port.As shown in Fig. 2 by domain
Network 230 is used as a virtual switch.
For example, the first domain controller has three switches, respectively switch A, switch b and switch C, wherein, hand over
The A that changes planes has four ports, is port a, port b, port c and port d respectively, and the second domain controller has three switches, respectively
For switch D, switch E and switch F, wherein, switch D has four ports, is port e, port f, port g and end respectively
Mouth h,.First domain controller is respectively each port of switch A, switch b and switch C and builds the discovery of the first link layer
Protocol massages, here, by taking four ports of switch A as an example, it is assumed that four ports of switch A are not yet marked as virtually
Port, then, using default port numbers 0, here, the first domain controller ID is 1, then divide for port a, port b, port c and port d
Not Wei port a, port b, port c and port d build the first Link Layer Discovery Protocol message, obtain port a, port b, port c
And the first Link Layer Discovery Protocol message of port d is respectively：{ 1,0 }, { 1,0 }, { 1,0 } and { 1,0 }.It is assumed that switch A
Four ports have been labeled as virtual port, and the virtual port number of port a, port b, port c and port d be respectively 1,2,
3rd, 4, here, the first domain controller ID is 1, then respectively port a, port b, port c and port d build the first link layer and find
Protocol massages, the first Link Layer Discovery Protocol message for obtaining port a, port b, port c and port d are respectively：{ 1,1 }, 1,
2 }, { 1,3 } and { Isosorbide-5-Nitrae }.
It is assumed that the port e of the switch D in the second domain controller receives the first Link Layer Discovery Protocol message { 1,1 },
If the virtual port number (being assumed to be 5) of port e, the second domain controller is that port e constructs the second Link Layer Discovery Protocol message
{ 1,1,5 }, and the second Link Layer Discovery Protocol message is packaged, south orientation protocol massages are obtained, the south orientation is assisted by switch D
View message is sent to the second domain controller, after the second domain controller receives the south orientation protocol massages, the south orientation protocol massages is sealed
Dress, obtains south orientation agreement bearing message, and the south orientation agreement bearing message is sent to super controller, and super controller is received
The south orientation agreement bearing message, parses the south orientation agreement bearing message, obtains south orientation protocol massages, continues to parse the south orientation agreement
Message, obtains the second Link Layer Discovery Protocol message, analyzes the second Link Layer Discovery Protocol message { 1,1,5 }, it can be found that from
The inter-domain link information of the virtual port 5 of first the 1 to the second domain controller of domain controller virtual port.
In practical application, the first Link Layer Discovery Protocol message and the second Link Layer Discovery Protocol message are found with link layer
Agreement (Link Layer Discovery Protocol, LLDP) message is representing.First Link Layer Discovery Protocol message is also wrapped
Include：Target MAC (Media Access Control) address, source MAC, effect duration, frame type, source switch ID, the second Link Layer Discovery Protocol message are also wrapped
Include：Target MAC (Media Access Control) address, source MAC, effect duration, frame type, source switch ID.Wherein, target MAC (Media Access Control) address is fixed group
Broadcast, such as MAC Address is 0x0180-C200-000E, and source MAC is port mac address or device mac address (if any port
MAC Address then uses port mac address, otherwise with device mac address), effect duration refer to LLDP messages it is interior how long be have
Effect, ethernet type of the frame type for LLDP messages, for example, frame type is 0x88CC, and switch ID in source is used to inform reception
The switch of the LLDP sends the ID of the switch of the LLDP.
Specifically, it is described that the network information in the domain is packaged, the first message is obtained, including：
The virtual port information is encapsulated, the virtual port information message is obtained；By between the virtual port can
Up to property Information encapsulation, the accessibility message between the virtual port is obtained；The host information is encapsulated, the main frame letter is obtained
Breath message；
Specifically, in each domain controller real-time monitoring domain each virtual port state (available or unavailable), according to
The state and virtual port number of each virtual port, generates the information of virtual port：{ virtual port number can use } or { virtual terminal
Slogan, unavailable, virtual port information is encapsulated as into virtual port information message, super controller is sent to.
Host information in each domain controller real-time monitoring domain, the host information include：Host Status (on-line/off-line)
With the network information (IP address, MAC Address, subnet mask) of main frame, and the network information of Host Status and main frame is sealed
Dress, obtains host information message.
Each domain controller real-time monitoring calculates the reachability information (whether connecting, connectivity) between virtual port, even
The general character can be any one in the jumping figure between two ports, network delay, bandwidth or other specification, by between virtual port
Reachability information be packaged, obtain the accessibility message between virtual port.
Here, virtual port information includes virtual port number.Reachability information between virtual port include virtual port it
Between whether have one communication path of presence, and the bandwidth of the communication path, bar number or time delay, usual reachability information is basis
In domain, network topological information is calculated.
Wherein, described each domain controller also includes：Second domain controller.
First message is sent to super controller by S105, so that the super controller obtains described each domain
The network information in the domain of controller, is carried out between isomery controller according to the network information in the inter-domain link information and the domain
Communication.
In practical application, after super controller obtains the first message, needs are parsed to first message, obtain each
The network information in the domain of individual domain controller, the virtual port information of the network information i.e. virtual switch, virtual terminal in the domain
Reachability information and host information between mouthful.
Wherein, described each domain controller includes first domain controller.
It is understood that each domain controller includes the first domain controller and the second domain controller, the first domain controller
It is isomery with the second domain controller.
Using the embodiment of the present invention, it is possible to achieve many isomery controller collaborations based on vertical configuration stratification region grading control
Control, to support the collaborative work between isomery controller.
With reference to Fig. 3, Fig. 3 is that the communication means another kind flow process between isomery controller provided in an embodiment of the present invention is illustrated
Figure, the method comprise the steps：
S301, receives the first message that each domain controller sends, and parses first message, obtains described each domain and controls
The network information in the domain of device processed；
Wherein, in the domain, network packet is included：Reachability information and main frame letter between virtual port information, virtual port
Breath；First message includes：Accessibility message and host information message between virtual port information message, virtual port；
Specifically, the parsing first message, obtains the network information in the domain of each domain controller, including：
The virtual port information message is parsed, the virtual port information of each domain controller is obtained；
Accessibility message between the virtual port is parsed, the accessibility between the virtual port of each domain controller is obtained
Information；
The host information message is parsed, the host information of each domain controller is obtained.
It is understood that super controller is unable to the first message of direct analysis, network letter in the domain in each domain is obtained
Breath, it is necessary to obtained the first message (accessibility message and host information message between virtual port information message, virtual port)
Parsed, obtain the network information in the domain of each domain controller (reachability information between virtual port information, virtual port and
Host information), wherein, host information includes：Host IP address, MAC Address and subnet mask.
It should be noted that each domain controller send to super controller virtual port information message, virtual port
Between accessibility message and host information message before, each domain controller needs network in the domain that controls the domain controller
Abstract, i.e., the topology information of network in shielding domain is carried out, network is virtual as one in the domain controlled by each domain controller
Switch, so, each domain controller need not send the information of each switch in each domain, each friendship to super controller
The information of each port changed planes, reduces the transmission quantity needed for network information synchronization, enhances the safety of network.
S302, receives the south orientation agreement bearing message that each domain controller sends；The south orientation agreement bearing message is parsed,
Obtain the inter-domain link information between described each domain controller；
Specifically, the parsing south orientation agreement bearing message, obtains chain between the domain between described each domain controller
Road information, including：
The south orientation agreement bearing message is parsed, the second Link Layer Discovery Protocol message is obtained；
The second Link Layer Discovery Protocol message is analyzed, the domain-to-domain link letter between described each domain controller is obtained
Breath.
Here, the second Link Layer Discovery Protocol message includes：Source domain ID, source virtual port number, purpose virtual port number.It is super
Level controller obtains the chain between each domain controller by analyzing source domain ID, source virtual port number and purpose virtual port number
Road information.
S303, according to the network information in the domain and the inter-domain link information, generates global network information；
Using the embodiment of the present invention, it is possible to achieve many isomery controller collaborations based on vertical configuration stratification region grading control
Control, to support the collaborative work between isomery controller.
Optionally, on the basis of comprising step S301, step S302 and step S303, as shown in figure 4, the present invention is implemented
Communication means between the isomery controller that example is provided can also include：
S304, when the first object south orientation agreement bearing message that the first domain controller domain sends is received, parses described the
One target south orientation agreement bearing message, obtains south orientation protocol massages；The south orientation protocol massages are parsed, the first domain control is obtained
The not treatable network packet of device processed；
When the request message that the switch that the first domain controller can not be processed in the first domain controller institute control domain sends,
For example, the request message includes：Include network data in Packet-in request messages, wherein the Packet-in request messages
Bag.
It should be noted that in order to realize the communication between isomery controller, communication process defines unified message lattice
Formula, is interacted by south orientation agreement bearing message between domain controller and super controller, between domain controller and super controller
Also by accessibility message between virtual port information message, virtual port and host information message interaction, domain controller with
Interacted by south orientation protocol massages between switch.
S305, obtains the destination host address in the network packet；According to the network information in the domain, it is determined that described
The second domain controller that destination host address is located；First domain controller is calculated to the cross-domain road of second domain controller
Footpath；
Super controller parses the destination host address in network packet, and in the domain networking information host information
Interior lookup destination host address, and the second domain control that the destination host address is located is determined according to the destination host address
Device, that is, determine the domain controller that the corresponding main frame in destination host address is located, i.e. the second domain controller is determining second
The cross-domain path of the first domain controller to the second domain controller after domain controller, is calculated, specifically, is calculated in the first domain controller
It is unable to the cross-domain path of the switch of network data bag to the corresponding switch of destination host of the second domain controller.
S306, according to the global network information and the cross-domain path, generates forwarding Rule Information, the forwarding is advised
Then Information encapsulation is the second south orientation agreement bearing message, and at least one the 3rd domains control being sent on the cross-domain path
Device, so that described at least one the 3rd domain controllers cooperate with first domain controller to process the network packet.
According to cross-domain path determine the cross-domain path by way of switch, generate forwarding Rule Information, forwarding rule
Which domain controller is information represent by assist the first domain controller to carry out network data bag.When at least one the 3rd domains control
After device receives the second south orientation agreement bearing message, the second south orientation agreement bearing message is parsed, obtain forwarding Rule Information, root
According to the 3rd domain controller of forwarding Rule Information at least one on the switch controlled by least one the 3rd domain controller
Forwarding flow table item is installed, in network data bag, according to forwarding flow table item, cross-domain communication is completed.
Using the embodiment of the present invention, it is possible to achieve many isomery controller collaborations based on vertical configuration stratification region grading control
Control, to support the collaborative work between isomery controller.
A kind of domain controller is embodiments provided, including：
First receiver module, for the first Link Layer Discovery Protocol that switch in the domain of the first domain controller of reception sends
Message；Second Link Layer Discovery Protocol message is determined according to the first Link Layer Discovery Protocol message；
First package module, for being packaged to the second Link Layer Discovery Protocol message, obtains south orientation agreement and holds
Carry message；
First sending module, for sending the south orientation agreement bearing message to super controller, so that the super control
Device processed obtains inter-domain link information；
Second package module, for obtaining the network information in the domain of each domain controller；The network information in the domain is entered
Row encapsulation, obtains the first message；
Second sending module, for first message is sent to super controller, so that the super controller is obtained
The network information in the domain of each domain controller is obtained, is carried out according to the network information in the inter-domain link information and the domain different
Communication between structure controller, wherein, described each domain controller includes first domain controller.
Specifically, the isomery domain controller also includes：
Acquisition module, for obtaining the unique identification information ID of first domain controller；
Distribute module, for first domain controller is each switch in the domain of first domain controller each
One virtual port number of port assignment；
First determining module, for ID and one virtual port number according to first domain controller, determines institute
State the first Link Layer Discovery Protocol message；
3rd sending module, for the first Link Layer Discovery Protocol message is sent in the domain of the second domain controller
Switch, wherein, second domain controller and first domain controller are the controllers of isomery.
Specifically, the isomery domain controller also includes：
Second receiver module, for receiving the first Link Layer Discovery Protocol message that the second domain controller sends；
Second determining module, for when in the domain of the first domain controller for receiving the first Link Layer Discovery Protocol message
When the port of switch is not determined to virtual port, the port for receiving the first Link Layer Discovery Protocol message is defined as
The virtual port in the first domain, and distribute virtual port number for the virtual port, wherein, first domain is controlled for first domain
The domain controlled by device.
Specifically, first receiver module specifically for, obtain and receive the first Link Layer Discovery Protocol message,
The virtual port number is added to first Link Layer Discovery Protocol by the virtual port number of the virtual port in first domain
In message, the second Link Layer Discovery Protocol message is obtained.
Specifically, in the domain, network packet is included：It is reachable between the virtual port information of virtual switch, virtual port
Property information and host information；Wherein, the network that the virtual switch is controlled by each controller；
First message includes：Accessibility message and host information report between virtual port information message, virtual port
Text；
Optionally, second package module, for the virtual port information is encapsulated, obtains the virtual terminal message
Breath message；Reachability information between the virtual port is encapsulated, the accessibility message between the virtual port is obtained；Will be described
Host information is encapsulated, and obtains the accessibility message between the virtual port；Wherein, described each domain controller also includes：It is described
Second domain controller.
The domain controller of the embodiment of the present invention is the domain controller using the communication means between above-mentioned isomery controller, then
All embodiments of the communication means between above-mentioned isomery controller are applied to the domain controller, and can reach identical or phase
As beneficial effect.
A kind of super controller is embodiments provided, including：
First parsing module, for receiving the first message that each domain controller sends, parses first message, obtains
The network information in the domain of each domain controller；In the domain, network packet is included：Between virtual port information, virtual port
Reachability information and host information；First message includes：Accessibility message between virtual port information message, virtual port
With host information message；
Second parsing module, for receiving the south orientation agreement bearing message that each domain controller sends；Parse the south orientation
Agreement bearing message, obtains the inter-domain link information between described each domain controller；
Generation module, for according to the network information in the domain and the inter-domain link information, generating global network information.
First parsing module is specifically for parsing the virtual port information message, obtaining described each domain and control
The virtual port information of device；Accessibility message between the virtual port is parsed, the virtual port of each domain controller is obtained
Between reachability information；The host information message is parsed, the host information of each domain controller is obtained.
Optionally, second parsing module is specifically for parsing the south orientation agreement bearing message, obtaining the second link
Layer finds protocol massages；The second Link Layer Discovery Protocol message is analyzed, is obtained between the domain between described each domain controller
Link information.
The super controller also includes：
3rd parsing module, for when the first object south orientation agreement bearing message for receiving the transmission of the first domain controller domain
When, the first object south orientation agreement bearing message is parsed, south orientation protocol massages are obtained；The south orientation protocol massages are parsed, is obtained
To the not treatable network packet of first domain controller；
Computing module, specifically for obtaining the destination host address in the network packet；According to network in the domain
Information, determines the second domain controller that the destination host address is located；First domain controller is calculated to second domain
The cross-domain path of controller；
Sending module, specifically for according to the global network information and the cross-domain path, generating forwarding Rule Information,
The forwarding rule is encapsulated as into the second south orientation agreement bearing message, and at least one the 3rd be sent on the cross-domain path
Domain controller, so that described at least one the 3rd domain controllers cooperate with first domain controller to process the network packet,
Described at least one the 3rd domain controllers include second domain controller.
The super controller of the embodiment of the present invention is the domain controller using the communication means between above-mentioned isomery controller,
Then all embodiments of the communication means between above-mentioned isomery controller are applied to the super controller, and can reach identical
Or similar beneficial effect.
With reference to Fig. 5, the communication system between a kind of isomery controller is embodiments provided, the system includes：
A kind of communication system between isomery controller, is applied in software defined network, and the system includes：Super controller 510
And at least one domain controller 520；
Wherein,
The super controller 510 is used for, and receives the first message that each domain controller sends, and parses first report
Text, obtains the network information in the domain of each domain controller；Receive the south orientation agreement bearing message that each domain controller sends；
The south orientation agreement bearing message is parsed, the inter-domain link information between described each domain controller is obtained；According in the domain
The network information and the inter-domain link information, generate global network information；In the domain, network packet is included：Virtual terminal message
Reachability information and host information between breath, virtual port；First message includes：Virtual port information message, virtual terminal
Accessibility message and host information message between mouthful；
At least one domain controller 520 is used for, and receives the first chain that switch sends in the domain of the first domain controller
Road floor finds protocol massages；Second Link Layer Discovery Protocol message is determined according to the first Link Layer Discovery Protocol message；With
And, for being packaged to the second Link Layer Discovery Protocol message, obtain south orientation agreement bearing message；And, for
Super controller sends the south orientation agreement bearing message, so that the super controller obtains inter-domain link information；And, use
In obtain each domain controller domain in the network information；The network information in the domain is packaged, the first message is obtained；With
And, for first message is sent to super controller, so that the super controller obtains described each domain controller
Domain in the network information, carried out according to the network information in the inter-domain link information and the domain logical between isomery controller
Letter, described each domain controller include first domain controller.
Using the embodiment of the present invention, it is possible to achieve many isomery controller collaborations based on vertical configuration stratification region grading control
Control, to support the collaborative work between isomery controller.
For system embodiment, as which is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part is illustrated referring to the part of embodiment of the method.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation are made a distinction with another entity or operation, and are not necessarily required or implied these entities or deposit between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that a series of process, method, article or equipment including key elements not only will including those
Element, but also including other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Each embodiment in this specification is described by the way of correlation, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for system reality
For applying example, as which is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
Presently preferred embodiments of the present invention is the foregoing is only, protection scope of the present invention is not intended to limit.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (10)
1. the communication means between a kind of isomery controller, it is characterised in that be applied to domain controller, including：
Receive the first Link Layer Discovery Protocol message that switch sends in the domain of the first domain controller；According to first link
Layer finds that protocol massages determine the second Link Layer Discovery Protocol message；
The second Link Layer Discovery Protocol message is packaged, south orientation agreement bearing message is obtained；
The south orientation agreement bearing message is sent to super controller, so that the super controller obtains inter-domain link information；
Obtain the network information in the domain of each domain controller；The network information in the domain is packaged, the first message is obtained；
First message is sent to into super controller, so that the super controller obtains the domain of each domain controller
The interior network information, carries out the communication between isomery controller according to the network information in the inter-domain link information and the domain, its
In, described each domain controller includes first domain controller.
2. method according to claim 1, it is characterised in that exchange in the domain for receiving first domain controller
Before the first Link Layer Discovery Protocol message that machine sends, methods described also includes：
Obtain the unique identification information ID of first domain controller；
First domain controller is that each port assignment one of each switch in the domain of first domain controller is virtual
Port numbers；
According to the ID and one virtual port number of first domain controller, the first Link Layer Discovery Protocol report is determined
Text；
The first Link Layer Discovery Protocol message is sent to into switch in the domain of the second domain controller, wherein, described second
Domain controller and first domain controller are the controllers of isomery.
3. method according to claim 2, it is characterised in that switch is sent out in the domain for receiving the first domain controller
Before the first Link Layer Discovery Protocol message for sending, methods described also includes：
Receive the first Link Layer Discovery Protocol message of the second domain controller transmission；
When the port of switch in the domain of the first domain controller for receiving the first Link Layer Discovery Protocol message is not determined
For virtual port when, the port for receiving the first Link Layer Discovery Protocol message is defined as into the virtual port in the first domain, and
Distribute virtual port number for the virtual port, wherein, the domain that first domain is controlled by first domain controller.
4. method according to claim 3, it is characterised in that described true according to the first Link Layer Discovery Protocol message
Fixed second Link Layer Discovery Protocol message, including：
Obtain and receive the first Link Layer Discovery Protocol message, the virtual port number of the virtual port in first domain will
The virtual port number is added in the first Link Layer Discovery Protocol message, obtains the second Link Layer Discovery Protocol report
Text.
5. method according to claim 1, it is characterised in that network packet is included in the domain：The void of virtual switch
Intend the reachability information and host information between port information, virtual port；Wherein, the virtual switch is each controller
The network for being controlled；
First message includes：Accessibility message and host information message between virtual port information message, virtual port；
It is described that the network information in the domain is packaged, the first message is obtained, including：
The virtual port information is encapsulated, the virtual port information message is obtained；
Reachability information between the virtual port is encapsulated, the accessibility message between the virtual port is obtained；
The host information is encapsulated, the host information message is obtained；
Wherein, described each domain controller also includes：Second domain controller.
6. the communication means between a kind of isomery controller, it is characterised in that be applied to super controller, including：
The first message that each domain controller sends is received, first message is parsed, the domain of each domain controller is obtained
The interior network information；In the domain, network packet is included：Reachability information and main frame letter between virtual port information, virtual port
Breath；First message includes：Accessibility message and host information message between virtual port information message, virtual port；
Receive the south orientation agreement bearing message that each domain controller sends；The south orientation agreement bearing message is parsed, obtains described
Inter-domain link information between each domain controller；
According to the network information in the domain and the inter-domain link information, global network information is generated.
7. method according to claim 6, it is characterised in that the parsing first message, obtains described each domain
The network information in the domain of controller, including：
The virtual port information message is parsed, the virtual port information of each domain controller is obtained；
Accessibility message between the virtual port is parsed, the accessibility letter between the virtual port of each domain controller is obtained
Breath；
The host information message is parsed, the host information of each domain controller is obtained.
8. method according to claim 7, it is characterised in that the parsing south orientation agreement bearing message, obtains institute
The inter-domain link information between each domain controller is stated, including：
The south orientation agreement bearing message is parsed, the second Link Layer Discovery Protocol message is obtained；
The second Link Layer Discovery Protocol message is analyzed, the inter-domain link information between described each domain controller is obtained.
9. method according to claim 6, it is characterised in that described according to chain between the network information and the domain in the domain
Road information, after generating global network information, methods described also includes：
When the first object south orientation agreement bearing message that the first domain controller sends is received, the first object south orientation association is parsed
View bearing message, obtains south orientation protocol massages；The south orientation protocol massages are parsed, obtaining first domain controller can not be processed
Network packet；
Obtain the destination host address in the network packet；According to the network information in the domain, the destination host is determined
The second domain controller that address is located；First domain controller is calculated to the cross-domain path of second domain controller；
According to the global network information and the cross-domain path, forwarding Rule Information is generated, the forwarding rule is encapsulated as
Second south orientation agreement bearing message, and at least one the 3rd domain controllers being sent on the cross-domain path so that it is described extremely
Few 3rd domain controller cooperates with first domain controller to process the network packet, the control of described at least one the 3rd domains
Device processed includes second domain controller.
10. the communication system between a kind of isomery controller, it is characterised in that be applied in software defined network, the system
Including：Super controller and at least one domain controller；
Wherein,
The super controller is used for, and receives the first message that each domain controller sends, and parses first message, obtains institute
State the network information in the domain of each domain controller；Receive the south orientation agreement bearing message that each domain controller sends；Parsing is described
South orientation agreement bearing message, obtains the inter-domain link information between described each domain controller；According to the network information in the domain
With the inter-domain link information, global network information is generated；In the domain, network packet is included：Virtual port information, virtual terminal
Reachability information and host information between mouthful；First message includes：It is reachable between virtual port information message, virtual port
Property message and host information message；
At least one domain controller is used for, and receives the first link layer that switch sends in the domain of the first domain controller and finds
Protocol massages；Second Link Layer Discovery Protocol message is determined according to the first Link Layer Discovery Protocol message；And, for right
The second Link Layer Discovery Protocol message is packaged, and obtains south orientation agreement bearing message；And, for super controller
The south orientation agreement bearing message is sent, so that the super controller obtains inter-domain link information；And, for obtaining each
The network information in the domain of domain controller；The network information in the domain is packaged, the first message is obtained；And, for by institute
State the first message and be sent to super controller, so that the super controller obtains network letter in the domain of each domain controller
Breath, carries out the communication between isomery controller, described each domain according to the network information in the inter-domain link information and the domain
Controller includes first domain controller.
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| CN112533082A (en) * | 2019-09-17 | 2021-03-19 | 中国移动通信有限公司研究院 | Link resource discovery method, device, equipment and computer readable storage medium |
| WO2021052248A1 (en) * | 2019-09-17 | 2021-03-25 | 中国移动通信有限公司研究院 | Link resource discovery method, apparatus and device, and computer-readable storage medium |
| CN112533082B (en) * | 2019-09-17 | 2023-11-21 | 中国移动通信有限公司研究院 | Link resource discovery method, device, equipment and computer readable storage medium |
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| CN112838985A (en) * | 2019-11-25 | 2021-05-25 | 中兴通讯股份有限公司 | Heterogeneous network communication method, system and controller |
| CN114103836B (en) * | 2020-08-27 | 2023-08-08 | 比亚迪股份有限公司 | Multi-domain control vehicle-mounted system and automobile |
| CN114103836A (en) * | 2020-08-27 | 2022-03-01 | 比亚迪股份有限公司 | Multi-domain control vehicle-mounted system and automobile |
| CN112019554B (en) * | 2020-09-01 | 2022-11-22 | 深信服科技股份有限公司 | Intranet host and intra-cloud streaming method and device |
| CN112019554A (en) * | 2020-09-01 | 2020-12-01 | 深信服科技股份有限公司 | Intranet host and cloud internal drainage method and device |
| CN114449049A (en) * | 2022-01-19 | 2022-05-06 | 广东优力普物联科技有限公司 | Communication device and communication system based on light management data interaction |
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