WO2019114827A1 - 多域多层连接业务建立方法和装置 - Google Patents

多域多层连接业务建立方法和装置 Download PDF

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Publication number
WO2019114827A1
WO2019114827A1 PCT/CN2018/121243 CN2018121243W WO2019114827A1 WO 2019114827 A1 WO2019114827 A1 WO 2019114827A1 CN 2018121243 W CN2018121243 W CN 2018121243W WO 2019114827 A1 WO2019114827 A1 WO 2019114827A1
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domain
connection service
layer connection
layer
service
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PCT/CN2018/121243
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English (en)
French (fr)
Inventor
陆荣舵
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中兴通讯股份有限公司
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Priority to EP18888958.8A priority Critical patent/EP3726807A4/en
Priority to US16/772,857 priority patent/US11438420B2/en
Publication of WO2019114827A1 publication Critical patent/WO2019114827A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/04—Network management architectures or arrangements
    • H04L41/044—Network management architectures or arrangements comprising hierarchical management structures
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/34—Signalling channels for network management communication
    • H04L41/342—Signalling channels for network management communication between virtual entities, e.g. orchestrators, SDN or NFV entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/02—Topology update or discovery
    • H04L45/04—Interdomain routing, e.g. hierarchical routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/141—Setup of application sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources

Definitions

  • the present disclosure relates to the field of transport network communications, and more particularly to a method and apparatus for establishing multi-domain multi-layer connection services.
  • SDN Software Defined Network
  • the main feature of SDN is the separation of the control plane from the data forwarding plane, enabling centralized control and programmable network operation. SDN realizes flexible control of network traffic and flexible deployment of network services, providing a good platform for innovation of core networks and applications.
  • a multi-domain and multi-layer connection service is usually implemented by layer-by-layer connection service establishment (generally established from the lower layer to the upper layer), which has the problems of low service opening efficiency and high service management cost.
  • the application provides a multi-domain multi-layer connection service establishment method and device, which can realize the establishment of a one-time multi-layer connection service, thereby improving service opening efficiency and reducing service management cost.
  • the application provides a multi-domain multi-layer connection service establishment method, including:
  • the multi-domain multi-layer connection service establishment request is used to request between the first service interface point of the first control domain and the second service interface point of the second control domain
  • Establishing a multi-domain multi-layer connection service and the multi-domain multi-layer connection service establishment request carries a first service interface point identifier, first configuration information of two or more network layer protocols of the first service interface point, a second service interface point identifier and second configuration information of two or more network layer protocols of the second service interface point;
  • the multi-domain multi-layer connection service is established according to the multi-domain multi-layer connection service establishment request.
  • the first configuration information of the same network layer is the same as the second configuration information.
  • the multi-domain multi-layer connection service establishment request includes a first connection service end point corresponding to the first service interface point and a second connection service end point corresponding to the second service interface point;
  • the first service interface point identifier and the first configuration information of the two or more network layer protocols of the first service interface point are carried in the first connection service endpoint;
  • the second service interface point identifier and the second configuration information of the two or more network layer protocols of the second service interface point are carried in the second connection service endpoint.
  • the establishing the multi-domain multi-layer connection service according to the multi-domain multi-layer connection service establishment request comprises:
  • the multi-domain multi-layer connection service establishment request is split into two or more single-domain multi-layer connection service establishment requests, and the single-domain multi-layer connection service establishment request is sent to the corresponding single domain controller, so that the single The domain controller implements the establishment of a single-domain multi-layer connection service, thereby realizing the establishment of a multi-domain multi-layer connection service;
  • the single-domain multi-layer connection service establishment request is used to request to establish a single-domain multi-layer connection service in the corresponding control domain, and the single-domain multi-layer connection service establishment request carries the third service of the single-domain multi-layer connection service.
  • the first configuration information, the second configuration information, and the third configuration information are the same for the same network layer.
  • the single-domain multi-layer connection service establishment request includes a third connection service endpoint corresponding to the third service interface point;
  • the third service interface point identifier, and the third configuration information of the two or more network layer protocols of the third service interface point or the third configuration of the network layer protocol of the network layer where the inter-domain interworking link is located Information is carried in the third connection service endpoint.
  • the establishing the multi-domain multi-layer connection service according to the multi-domain multi-layer connection service establishment request comprises:
  • a single-domain multi-layer connection service is established according to the first configuration information or the second configuration information.
  • the application provides a multi-domain multi-layer connection service establishment method, including:
  • the single-domain multi-layer connection service establishment request receives a single-domain multi-layer connection service establishment request, where the single-domain multi-layer connection service establishment request is used to request to establish a single-domain multi-layer connection service in the corresponding control domain, where the single-domain multi-layer connection service establishment request carries The third service interface point identifier of the single-domain multi-layer connection service, and the third configuration information of two or more network layer protocols of the third service interface point or the network layer protocol of the network layer where the inter-domain interworking link is located Third configuration information;
  • a single-domain multi-layer connection service is established according to a single-domain multi-layer connection service establishment request.
  • the third configuration information of the same network layer is the same.
  • the single-domain multi-layer connection service establishment request includes a third connection service endpoint corresponding to the third service interface point;
  • the third service interface point identifier, and the third configuration information of the two or more network layer protocols of the third service interface point or the third configuration of the network layer protocol of the network layer where the inter-domain interworking link is located Information is carried in the third connection service endpoint.
  • the application provides a multi-domain multi-layer connection service establishing apparatus, including:
  • a first receiving module configured to receive a multi-domain multi-layer connection service establishment request, where the multi-domain multi-layer connection service establishment request is used to request the first service interface point and the second control domain in the first control domain Establishing a multi-domain multi-layer connection service between the second service interface points, and the multi-domain multi-layer connection service establishment request carries the first service interface point identifier, and the two or more network layers of the first service interface point
  • the first configuration information of the protocol, the second service interface point identifier, and the second configuration information of the two or more network layer protocols of the second service interface point, and the first configuration information and the second configuration of the same network layer The same information;
  • the first establishing module is configured to establish a multi-domain multi-layer connection service according to the multi-domain multi-layer connection service establishment request.
  • the first configuration information of the same network layer is the same as the second configuration information.
  • the multi-domain multi-layer connection service establishment request includes a first connection service end point corresponding to the first service interface point and a second connection service end point corresponding to the second service interface point;
  • the first service interface point identifier and the first configuration information of the two or more network layer protocols of the first service interface point are carried in the first connection service endpoint;
  • the second service interface point identifier and the second configuration information of the two or more network layer protocols of the second service interface point are carried in the second connection service endpoint.
  • the first establishing module is configured to:
  • the multi-domain multi-layer connection service establishment request is split into two or more single-domain multi-layer connection service establishment requests, and the single-domain multi-layer connection service establishment request is sent to the corresponding single domain controller, so that the single The domain controller implements the establishment of a single-domain multi-layer connection service, thereby realizing the establishment of a multi-domain multi-layer connection service;
  • the single-domain multi-layer connection service establishment request is used to request to establish a single-domain multi-layer connection service in the corresponding control domain, and the single-domain multi-layer connection service establishment request carries the third service of the single-domain multi-layer connection service.
  • the first configuration information, the second configuration information, and the third configuration information are the same for the same network layer.
  • the single-domain multi-layer connection service establishment request includes a third connection service endpoint corresponding to the third service interface point;
  • the third service interface point identifier, and the third configuration information of the two or more network layer protocols of the third service interface point or the third configuration of the network layer protocol of the network layer where the inter-domain interworking link is located Information is carried in the third connection service endpoint.
  • the first establishing module is configured to:
  • a single-domain multi-layer connection service is established according to the first configuration information or the second configuration information.
  • the application provides a multi-domain multi-layer connection service establishing apparatus, including:
  • the second receiving module is configured to receive a single-domain multi-layer connection service establishment request, where the single-domain multi-layer connection service establishment request is used to request to establish a single-domain multi-layer connection service in the corresponding control domain, where the single domain
  • the third service interface point identifier of the multi-layer connection service establishment request carrying the single-domain multi-layer connection service, and the third configuration information of the two or more network layer protocols of the third service interface point or the inter-domain interconnection link
  • Third configuration information of the network layer protocol of the network layer, and the third configuration information of the same network layer is the same;
  • the second establishing module is configured to establish a single domain multi-layer connection service according to the single domain multi-layer connection service establishment request.
  • the third configuration information of the same network layer is the same.
  • the single-domain multi-layer connection service establishment request includes a third connection service endpoint corresponding to the third service interface point;
  • the third service interface point identifier, and the third configuration information of the two or more network layer protocols of the third service interface point or the third configuration of the network layer protocol of the network layer where the inter-domain interworking link is located Information is carried in the third connection service endpoint.
  • the present application provides a multi-domain controller including a first processor and a first computer readable storage medium, wherein the first computer readable storage medium stores a first instruction when the first instruction is When the processor executes, any one of the above multi-domain multi-layer connection service establishment methods is implemented.
  • the present application provides a single domain controller including a second processor and a second computer readable storage medium, wherein the second computer readable storage medium stores a second instruction when the second instruction is When the processor executes, any one of the above multi-domain multi-layer connection service establishment methods is implemented.
  • the present application provides a computer readable storage medium storing a computer program that, when executed by a processor, implements the steps of any of the multi-domain multi-layer connection service establishment methods described above.
  • the embodiment of the invention provides a computer readable storage medium, which stores a computer program, and when the computer program is executed by the processor, implements the steps of any one of the multi-domain multi-layer connection service establishment methods.
  • the application includes: receiving a multi-domain multi-layer connection service establishment request; wherein the multi-domain multi-layer connection service establishment request is used to request a first service interface point and a second in the first control domain.
  • Establishing a multi-domain multi-layer connection service between the second service interface points of the control domain, and the multi-domain multi-layer connection service establishment request carries the first service interface point identifier, two or two of the first service interface points The first configuration information of the network layer protocol, the second service interface point identifier, and the second configuration information of the two or more network layer protocols of the second service interface point; establishing the request according to the multi-domain multi-layer connection service establishment request Multi-domain multi-layer connection business.
  • the method of the present application carries the configuration information of two or more network layer protocols in the multi-domain multi-layer connection service establishment request, and realizes the establishment of the connection service of two or more network layer protocols at one time, thereby improving The business opening efficiency and the cost of business management are reduced.
  • FIG. 1 is a flowchart of a method for establishing a multi-domain multi-layer connection service according to an embodiment of the present disclosure
  • FIG. 2 is a flowchart of another method for establishing a multi-domain multi-layer connection service according to an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a control domain of a multi-domain controller according to Embodiment 1 of the present disclosure
  • FIG. 4 is a flowchart of a method for establishing a multi-domain multi-layer connection service according to Embodiment 1 of the present disclosure
  • FIG. 5 is a schematic diagram of establishing a single-domain multi-layer connection service according to Embodiment 1 of the present disclosure
  • FIG. 6 is a flowchart of a method for establishing a multi-domain multi-layer connection service according to Embodiment 2 of the present disclosure
  • FIG. 7 is a schematic diagram of establishing a multi-domain multi-layer connection service according to Embodiment 2 of the present disclosure.
  • FIG. 8 is a schematic diagram of establishing a single-domain multi-layer connection service according to Embodiment 2 of the present disclosure.
  • FIG. 9 is a flowchart of a method for establishing a multi-domain multi-layer connection service according to Embodiment 3 of the present disclosure.
  • FIG. 10 is a schematic diagram of establishing a multi-domain multi-layer connection service according to Embodiment 3 of the present disclosure.
  • FIG. 11 is a schematic diagram of establishing a single-domain multi-layer connection service according to Embodiment 3 of the present disclosure.
  • FIG. 12 is a flowchart of a method for establishing a multi-domain multi-layer connection service according to Embodiment 4 of the present disclosure
  • FIG. 13 is a schematic diagram of establishing a multi-domain multi-layer connection service according to Embodiment 4 of the present disclosure
  • FIG. 14 is a schematic diagram of establishing a single-domain multi-layer connection service according to Embodiment 4 of the present disclosure.
  • FIG. 15 is a schematic structural diagram of a multi-domain multi-layer connection service establishing apparatus according to an embodiment of the present disclosure
  • FIG. 16 is a schematic structural diagram of another multi-domain multi-layer connection service establishing apparatus according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of a multi-domain controller according to an embodiment of the present disclosure.
  • FIG. 18 is a schematic structural diagram of a single domain controller according to an embodiment of the present disclosure.
  • the present application proposes a multi-domain multi-layer connection service establishment method, which includes the following steps.
  • a multi-domain multi-layer connection service establishment request is received in step 100.
  • the multi-domain multi-layer connection service establishment request is used to request to establish a multi-domain multi-layer connection service between the first service interface point of the first control domain and the second service interface point of the second control domain.
  • the control domain refers to a network device range or a network device set controlled by the controller.
  • Nodes in the control domain are used to represent the logical forwarding domain of the network layer of the network device, and the nodes are connected by a link.
  • the node edge points in the node represent the resource information of the logical port.
  • the service interface point is an access point for connecting services, and is used to represent an abstraction of resource information of a node edge point.
  • the service interface point includes the resource pool attributes of all network layer protocols of the controlled multi-layer network.
  • the service interface point has a mapping relationship with the node edge point, and provides resource information for establishing, deleting, and modifying the connection service.
  • the resource pool attribute of the Ethernet (ETH, Ethernet) layer includes an ELAN label
  • the resource pool attribute of the Optical Data Unit (ODU) layer includes: available timing
  • the multi-domain multi-layer connection service establishment request carries the first service interface point identifier, the first configuration information of the two or more network layer protocols of the first service interface point, and the second service interface point identifier and Second configuration information of two or more network layer protocols of the second service interface point.
  • the service interface point identifier may be a service interface point index, or a service interface point name, or a service interface point identification number (ID, Identification).
  • the multi-domain multi-layer connection service establishment request includes a first connection service end point corresponding to the first service interface point and a second connection service end point corresponding to the second service interface point;
  • the first service interface point identifier and the first configuration information of the two or more network layer protocols of the first service interface point are carried in the first connection service endpoint;
  • the second service interface point identifier and the second configuration information of the two or more network layer protocols of the second service interface point are carried in the second connection service endpoint.
  • connection service endpoint refers to an endpoint that connects to the service, and has a mapping relationship with the service interface point, and indicates an input/output role and resource usage information of the connection service end.
  • the first configuration information and the second configuration information are for the same network layer.
  • the network layer protocol configuration of different control domains is agreed upon, and the interworking of multi-domain multi-layer connection services is realized.
  • the configuration information includes adaptation configuration information and termination function configuration information, where the adaptation configuration information includes mapping method configuration information.
  • the multi-domain multi-layer connection service establishment request further carries at least one of the following: a connectivity constraint, a protection recovery constraint, and a topology constraint.
  • the connectivity constraint includes all network layer protocol names involved in the multi-domain multi-layer connection service.
  • the method of the present application carries the configuration information of two or more network layer protocols in the multi-domain multi-layer connection service establishment request, thereby realizing the establishment of the connection service of two or more network layer protocols at one time, and improving the connection service.
  • step 101 a multi-domain multi-layer connection service is established according to the multi-domain multi-layer connection service establishment request.
  • the multi-domain multi-layer connection service may be established by using either of the first method and the second method.
  • the first method is to split the multi-domain multi-layer connection service establishment request into two or more single-domain multi-layer connection service establishment requests, and send the single-domain multi-layer connection service establishment request to the corresponding single domain controller.
  • the single-domain controller is used to establish a single-domain multi-layer connection service, thereby establishing a multi-domain multi-layer connection service.
  • splitting the multi-domain multi-layer connection service establishment request into two or more single-domain multi-layer connection service establishment requests includes:
  • the single-domain multi-layer connection service establishment request further carries at least one of the following: a connectivity constraint, a protection recovery constraint, and a topology constraint.
  • a single-domain multi-layer connection service establishment request is used to request to establish a single-domain multi-layer connection service in a corresponding control domain.
  • the single-domain multi-layer connection service establishment request carries the third service interface point identifier of the single-domain multi-layer connection service, and the third configuration information or inter-domain communication of the two or more network layer protocols of the third service interface point The third configuration information of the network layer protocol of the network layer where the link is located.
  • the single-domain multi-layer connection service establishment request carries: the first service interface point identifier and the two or more networks of the first service interface point.
  • the first configuration information of the layer protocol carries: the first service interface point identifier and the two or more networks of the first service interface point.
  • the single-domain multi-layer connection service establishment request carries: the second service interface point identifier and the second configuration of the two or more network layer protocols of the second service interface point information.
  • the single-domain multi-layer connection service establishment request carries: the third service interface point identifier and the third service interface point The third configuration information of the network layer protocol of the network layer where the inter-domain interworking link is located.
  • the single-domain multi-layer connection service establishment request includes a third connection service endpoint corresponding to the third service interface point;
  • the third service interface point identifier, and the third configuration information of two or more network layer protocols of the third service interface point corresponding to the third service interface point or the network layer where the inter-domain interworking link is located The third configuration information of the network layer protocol is carried in the third connection service endpoint.
  • the third configuration information of the same network layer is the same and is the same as the first configuration information and the second configuration information.
  • the network layer protocol configuration of different control domains is agreed upon, and the interworking of multi-domain multi-layer connection services is realized.
  • a second method calculating a multi-domain path according to the multi-domain multi-layer connection service establishment request; and splitting the multi-domain multi-layer connection service into two or more single-domain multi-layer connections according to the multi-domain path
  • a single-domain multi-layer connection service is established according to the first configuration information or the second configuration information.
  • the multi-domain path may be calculated according to the first service interface point identifier, the second interface point identifier, and the foregoing constraint conditions.
  • the establishing a single-domain multi-layer connection service according to the first configuration information or the second configuration information includes:
  • the network device corresponding to the service interface point is configured to implement the establishment of a single-domain multi-layer connection service.
  • the single domain path is calculated according to the service interface point identifier and the foregoing constraint.
  • the method also includes the following steps before.
  • the present application proposes a multi-domain multi-layer connection service establishment method, including:
  • step 200 a single domain multi-layer connection service setup request is received.
  • a single-domain multi-layer connection service establishment request is used to request to establish a single-domain multi-layer connection service in a corresponding control domain.
  • the single-domain multi-layer connection service establishment request carries the third service interface point identifier of the single-domain multi-layer connection service, and the third configuration information or inter-domain communication of the two or more network layer protocols of the third service interface point The third configuration information of the network layer protocol of the network layer where the link is located.
  • the single-domain multi-layer connection service establishment request carries: the first service interface point identifier and the two or more networks of the first service interface point.
  • the first configuration information of the layer protocol carries: the first service interface point identifier and the two or more networks of the first service interface point.
  • the single-domain multi-layer connection service establishment request carries: the second service interface point identifier and the second configuration of the two or more network layer protocols of the second service interface point information.
  • the single-domain multi-layer connection service establishment request carries: the third service interface point identifier and the third service interface point The third configuration information of the network layer protocol of the network layer where the inter-domain interworking link is located.
  • the single-domain multi-layer connection service establishment request includes a third connection service endpoint corresponding to the third service interface point;
  • the third service interface point identifier, and the third configuration information of the two or more network layer protocols of the third service interface point or the third configuration of the network layer protocol of the network layer where the inter-domain interworking link is located Information is carried in the third connection service endpoint.
  • the third configuration information of the same network layer is the same, and is the same as the first configuration information and the second configuration information.
  • the single domain multi-layer connection service setup request further carries at least one of the following: connectivity constraints, protection recovery constraints, and topology constraints.
  • step 201 a single-domain multi-layer connection service is established according to the single-domain multi-layer connection service establishment request.
  • the single domain path is calculated according to the single domain multi-layer connection service establishment request; the connection in all the nodes is established according to the single domain path; and the third configuration information in the request is established according to the established connection and the single-domain multi-layer connection service establishment request.
  • the network device corresponding to the third service interface point is configured to implement the establishment of a single-domain multi-layer connection service.
  • the single domain path is calculated according to the third service interface point identifier and the foregoing constraint.
  • a method for establishing a multi-domain multi-layer connection service is described by taking a connection establishment of a two-layer network and two control domains as an example.
  • the multi-domain controller controls two single-domain controllers, which are a single domain controller 1 and a single domain controller 2, and the control domain of the multi-domain controller is the control domain C, and the control domain of the single domain controller 1 To control domain A, the control domain of single domain controller 2 is control domain B.
  • the multi-domain multi-layer connection service establishment method of this embodiment includes the following steps.
  • step 400 the single domain controller 1, the single domain controller 2, and the multi-domain controller abstract and query the network topology to obtain the service interface point 1 and the service interface point 2.
  • the service interface point 1 includes the resource pool attribute of the network layer protocol corresponding to the ETH node 1 of the control domain A and the resource pool attribute of the network layer protocol corresponding to the ODU node 1.
  • the service interface point 2 includes the resource pool attribute of the network layer protocol corresponding to the ETH node 2 of the control domain B and the resource pool attribute of the network layer protocol corresponding to the ODU node 2.
  • the multi-domain controller receives the multi-domain multi-layer connection service establishment request, calculates the multi-domain path according to the multi-domain multi-layer connection service establishment request, and splits the multi-domain multi-layer connection service 1 into the single domain according to the multi-domain path.
  • the multi-layer connection service 1 and the single-domain multi-layer connection service 2 generate a single-domain multi-layer connection service establishment request 1 according to the single-domain multi-layer connection service 1 and send it to the single-domain controller 1 to generate a single-story multi-layer connection service 2
  • the domain multi-layer connection service establishment request 2 is sent to the single domain controller 2.
  • a multi-domain multi-layer connection service establishment request is used to request to establish a multi-domain multi-layer connection service 1 between the service interface point 1 and the service interface point 2, and the multi-domain multi-layer connection service 1 is a connection service that automatically creates a service layer (including an ODU layer) with the ETH layer as the top layer.
  • the multi-domain multi-layer connection service establishment request includes a connection service end point 1 and a connection service end point 2, and there is a one-to-one mapping relationship between the connection service end point 1 and the service interface point 1, and a pair between the connection service end point 2 and the service interface point 2 A mapping relationship.
  • connection service endpoint 1 carries: a service interface point 1 index, configuration information of the ETH network layer protocol, and configuration information 1 of the ODU network layer protocol.
  • connection service end point 2 carries: a service interface point 2 index, configuration information of the ETH network layer protocol, and configuration information 2 of the ODU network layer protocol.
  • the configuration information 1 of the ETH network layer protocol is the same as the configuration information 2 of the ETH network layer protocol
  • the configuration information 1 of the ODU network layer protocol is the same as the configuration information 2 of the ODU network layer protocol.
  • the foregoing configuration information includes adaptation configuration information and termination function configuration information.
  • the adaptation configuration information includes mapping method configuration information. For example, mapping methods of ODU client signals, such as Generalized Framing Procedure Transparent (GFT-F), Generic Framing Procedure-Transparent (GFP-T), Bit Synchronization Mapping BMP (Bit-synchronous Mapping Procedure).
  • GFT-F Generalized Framing Procedure Transparent
  • GFP-T Generic Framing Procedure-Transparent
  • BMP Bit Synchronization Mapping Procedure
  • the multi-domain controller splits the multi-domain multi-layer connection service 1 into a single-domain multi-layer connection service 1 and a single-domain multi-layer connection service 2, according to the single-domain multi-layer connection service 1
  • the single-domain multi-layer connection service establishment request 1 is sent to the single-domain controller 1 to enable the single-domain controller 1 to complete the establishment of the single-domain multi-layer connection service 1, and generate a single-domain multi-layer connection according to the single-domain multi-layer connection service 2.
  • the service establishment request 2 is sent to the single domain controller 2 to enable the single domain controller 2 to complete the establishment of the single domain multi-layer connection service 2.
  • the single-domain multi-layer connection service establishment request 1 is used to request to establish a single-domain multi-layer connection service 1 in the control domain A.
  • the single-domain multi-layer connection service establishment request 1 includes: a connection service end point 1 and a connection service end point 3.
  • connection service end point 3 carries: the service interface point 3 index and the configuration information 3 of the ODU network layer protocol.
  • the configuration information 3 of the ODU network layer protocol, the configuration information 1 of the ODU network layer protocol, and the configuration information 2 of the ODU network layer protocol are the same.
  • the single-domain multi-layer connection service establishment request 2 is used to request to establish a single-domain multi-layer connection service 2 in the control domain B.
  • the single-domain multi-layer connection service establishment request 2 includes: a connection service end point 2 and a connection service end point 4.
  • connection service end point 4 carries: a service interface point 4 index, and configuration information 4 of the ODU network layer protocol.
  • configuration information 4 of the ODU network layer protocol, the configuration information 1 of the ODU network layer protocol, and the configuration information 2 of the ODU network layer protocol are the same.
  • the single domain controller 1 calculates a single domain path 1 according to the single domain multi-layer connection service establishment request 1, and establishes a connection in the ETH node 1 and a connection in the ODU node 1 according to the single domain path 1, according to the ETH node 1
  • the connection, the connection within the ODU node 1, the connection service endpoint 1 and the connection service endpoint 3 configure the network device 1.
  • the single domain controller 2 calculates the single domain path 2 according to the single domain multi-layer connection service establishment request 2, and establishes the connection in the ETH node 2 and the connection in the ODU node 2 according to the single domain path 2, according to the ETH node 2
  • the connection, the connection within the ODU node 2, the connection service endpoint 2, and the connection service endpoint 4 configure the network device 2.
  • a method for establishing a multi-domain multi-layer connection service is described by taking a connection establishment of a three-layer network and two control domains as an example.
  • the multi-domain controller controls two single-domain controllers, which are a single domain controller 1 and a single domain controller 6.
  • the control domain of the multi-domain controller is the control domain C, and the control domain of the single domain controller 1 To control domain A, the control domain of single domain controller 2 is control domain B.
  • the multi-domain multi-layer connection service establishing method of this embodiment includes the following steps.
  • step 700 the single domain controller 1, the single domain controller 2, and the multi-domain controller abstract and query the network topology to obtain the service interface point 1 and the service interface point 2.
  • the service interface point 1 includes the resource pool attribute of the network layer protocol corresponding to the ETH node 1 of the control domain A, the resource pool attribute of the network layer protocol corresponding to the ODU node 1, and the corresponding optical channel (OCh, Optical Channel) node 1. Resource pool properties for the network layer protocol.
  • the service interface point 2 includes the resource pool attribute of the network layer protocol corresponding to the ETH node 2 of the control domain B, the resource pool attribute of the network layer protocol corresponding to the ODU node 2, and the resource pool attribute of the network layer protocol corresponding to the OCh node 2.
  • the multi-domain controller receives the multi-domain multi-layer connection service establishment request, calculates the multi-domain path according to the multi-domain multi-layer connection service establishment request, and splits the multi-domain multi-layer connection service 1 into the single domain according to the multi-domain path.
  • the multi-layer connection service 1 and the single-domain multi-layer connection service 2 generate a single-domain multi-layer connection service establishment request 1 according to the single-domain multi-layer connection service 1 and send it to the single-domain controller 1 to generate a single-story multi-layer connection service 2
  • the domain multi-layer connection service establishment request 2 is sent to the single domain controller 2.
  • the multi-domain multi-layer connection service establishment request is used to request to establish a multi-domain multi-layer connection service 1 between the service interface point 1 and the service interface point 2, and the multi-domain multi-layer connection service 1 is a connection service that automatically creates a service layer (including an ODU layer and an OCh layer) with the ETH layer as the top layer.
  • the multi-domain multi-layer connection service establishment request includes a connection service end point 1 and a connection service end point 2, and there is a one-to-one mapping relationship between the connection service end point 1 and the service interface point 1, and a pair between the connection service end point 2 and the service interface point 2 A mapping relationship.
  • connection service endpoint 1 carries: a service interface point 1 index, configuration information of the ETH network layer protocol, configuration information of the ODU network layer protocol, and configuration information 1 of the OCh network layer protocol.
  • connection service end point 2 carries: a service interface point 2 index, configuration information of the ETH network layer protocol, configuration information of the ODU network layer protocol, and configuration information 2 of the OCh network layer protocol.
  • the configuration information 1 of the ETH network layer protocol is the same as the configuration information 2 of the ETH network layer protocol
  • the configuration information 1 of the ODU network layer protocol is the same as the configuration information 2 of the ODU network layer protocol
  • the configuration information 1 and OCh of the OCh network layer protocol are the same.
  • the configuration information 2 of the network layer protocol is the same.
  • the foregoing configuration information includes adaptation configuration information and termination function configuration information.
  • the adaptation configuration information includes mapping method configuration information. For example, mapping methods for ODU client signals, such as GFT-F, GFP-T, and BMP.
  • the multi-domain controller splits the multi-domain multi-layer connection service 1 into a single-domain multi-layer connection service 1 and a single-domain multi-layer connection service 2, according to the single-domain multi-layer connection service 1
  • the single-domain multi-layer connection service establishment request 1 is sent to the single-domain controller 1 to enable the single-domain controller 1 to complete the establishment of the single-domain multi-layer connection service 1, and generate a single-domain multi-layer connection according to the single-domain multi-layer connection service 2.
  • the service establishment request 2 is sent to the single domain controller 2 to enable the single domain controller 2 to complete the establishment of the single domain multi-layer connection service 2.
  • the single-domain multi-layer connection service establishment request 1 is used to request to establish a single-domain multi-layer connection service 1 in the control domain A.
  • the single-domain multi-layer connection service establishment request 1 includes: a connection service end point 1 and a connection service end point 3.
  • connection service end point 3 carries: the service interface point 3 index and the configuration information 3 of the OCh network layer protocol.
  • the configuration information 3 of the OCh network layer protocol, the configuration information 1 of the OCh network layer protocol, and the configuration information 2 of the OCh network layer protocol are the same.
  • the single-domain multi-layer connection service establishment request 2 is used to request to establish a single-domain multi-layer connection service 2 in the control domain B.
  • the single-domain multi-layer connection service establishment request 2 includes: a connection service end point 2 and a connection service end point 4.
  • connection service end point 4 carries: the service interface point 4 index, and the configuration information 4 of the OCh network layer protocol.
  • configuration information 4 of the OCh network layer protocol, the configuration information 1 of the OCh network layer protocol, and the configuration information 2 of the OCh network layer protocol are the same.
  • the single domain controller 1 calculates a single domain path 1 according to the single domain multi-layer connection service establishment request 1, and establishes a connection in the ETH node 1, a connection in the ODU node 1 and an OCh node 1 according to the single domain path 1.
  • the connection is configured according to the connection in the ETH node 1, the connection in the ODU node 1, the connection in the OCh node 1, the connection service endpoint 1 and the connection service endpoint 3.
  • the single domain controller 2 calculates the single domain path 2 according to the single domain multi-layer connection service establishment request 2, and establishes the connection in the ETH node 2, the connection in the ODU node 2, and the OCh node 1 according to the single domain path 2.
  • the connection is configured according to the connection in the ETH node 2, the connection in the ODU node 2, the connection in the OCh node 2, the connection service endpoint 2, and the connection service endpoint 4.
  • a method for establishing a multi-domain multi-layer connection service is described by taking the establishment of a connection service of a two-layer network and three control domains as an example.
  • the multi-domain controller controls three single-domain controllers, which are single domain controller 1, single domain controller 2, and single domain controller 3.
  • the control domain of the multi-domain controller is control domain C, single domain.
  • the control domain of the controller 1 is the control domain A
  • the control domain of the single domain controller 2 is the control domain B
  • the control domain of the single domain controller 3 is the control domain D.
  • the method for establishing a multi-domain multi-layer connection service in this embodiment includes:
  • step 1000 the single domain controller 1, the single domain controller 2, and the multi-domain controller abstract and query the network topology to obtain the service interface point 1 and the service interface point 2.
  • the service interface point 1 includes the resource pool attribute of the network layer protocol corresponding to the ETH node 1 of the control domain A and the resource pool attribute of the network layer protocol corresponding to the ODU node 1.
  • the service interface point 2 includes the resource pool attribute of the network layer protocol corresponding to the ETH node 2 of the control domain B and the resource pool attribute of the network layer protocol corresponding to the ODU node 2.
  • the multi-domain controller receives the multi-domain multi-layer connection service establishment request, calculates the multi-domain path according to the multi-domain multi-layer connection service establishment request, and splits the multi-domain multi-layer connection service 1 into the single domain according to the multi-domain path.
  • the multi-layer connection service 1, the single-domain multi-layer connection service 2, and the single-domain multi-layer connection service 3, generate a single-domain multi-layer connection service establishment request 1 according to the single-domain multi-layer connection service 1, and send it to the single domain controller 1, according to the single
  • the domain multi-layer connection service 2 generates a single-domain multi-layer connection service establishment request 2 and sends it to the single-domain controller 2, and generates a single-domain multi-layer connection service establishment request 3 according to the single-domain multi-layer connection service 3, and sends it to the single-domain controller 3.
  • the multi-domain multi-layer connection service establishment request is used to request to establish a multi-domain multi-layer connection service 1 between the service interface point 1 and the service interface point 2, and the multi-domain multi-layer connection service is provided.
  • 1 is a connection service that automatically creates a service layer (including an ODU layer) with the ETH layer as the top layer.
  • the multi-domain multi-layer connection service establishment request includes a connection service end point 1 and a connection service end point 2, and there is a one-to-one mapping relationship between the connection service end point 1 and the service interface point 1, and a pair between the connection service end point 2 and the service interface point 2 A mapping relationship.
  • connection service endpoint 1 carries: a service interface point 1 index, configuration information of the ETH network layer protocol, and configuration information 1 of the ODU network layer protocol.
  • connection service end point 2 carries: a service interface point 2 index, configuration information of the ETH network layer protocol, and configuration information 2 of the ODU network layer protocol.
  • the configuration information 1 of the ETH network layer protocol is the same as the configuration information 2 of the ETH network layer protocol
  • the configuration information 1 of the ODU network layer protocol is the same as the configuration information 2 of the ODU network layer protocol.
  • the foregoing configuration information includes adaptation configuration information and termination function configuration information.
  • the adaptation configuration information includes mapping method configuration information. For example, mapping methods for ODU client signals, such as GFT-F, GFP-T, and BMP.
  • the multi-domain controller splits the multi-domain multi-layer connection service 1 into a single-domain multi-layer connection service 1, a single-domain multi-layer connection service 2, and a single-domain multi-layer connection service 3,
  • the single-domain multi-layer connection service establishment request 1 is sent to the single-domain controller 1 according to the single-domain multi-layer connection service 1, so that the single-domain controller 1 completes the establishment of the single-domain multi-layer connection service 1, according to the single-domain multi-layer connection.
  • the service 2 generates a single-domain multi-layer connection service establishment request 2 and sends it to the single-domain controller 2, so that the single-domain controller 2 completes the establishment of the single-domain multi-layer connection service 2, and generates a single domain multi-domain according to the single-domain multi-layer connection service 3.
  • the layer connection service establishment request 3 is sent to the single domain controller 3, so that the single domain controller 3 completes the establishment of the single domain multi-layer connection service 2.
  • the single-domain multi-layer connection service establishment request 1 is used to request to establish a single-domain multi-layer connection service 1 in the control domain A.
  • the single-domain multi-layer connection service establishment request 1 includes: a connection service end point 1 and a connection service end point 3.
  • connection service end point 3 carries: the service interface point 3 index and the configuration information 3 of the ODU network layer protocol.
  • configuration information 3 of the ODU network layer protocol and the configuration information 1 of the ODU network layer protocol and the configuration information 2 of the ODU network layer protocol are the same.
  • the single-domain multi-layer connection service establishment request 2 is used to request to establish a single-domain multi-layer connection service 2 in the control domain B.
  • the single-domain multi-layer connection service establishment request 2 includes: a connection service end point 2 and a connection service end point 4.
  • connection service end point 4 carries: a service interface point 4 index, and configuration information 4 of the ODU network layer protocol.
  • configuration information 4 of the ODU network layer protocol and the configuration information 1 of the ODU network layer protocol and the configuration information 2 of the ODU network layer protocol are the same.
  • the single-domain multi-layer connection service establishment request 3 is used to request to establish a single-domain multi-layer connection service 3 in the control domain D.
  • the single-domain multi-layer connection service establishment request 3 includes: a connection service end point 7 and a connection service end point 8.
  • connection service end point 7 carries: service interface point 7 index, configuration information 7 of the ODU network layer protocol.
  • connection service endpoint 8 carries: the service interface point 8 index, and the configuration information 8 of the ODU network layer protocol.
  • configuration information 7 of the ODU network layer protocol the configuration information 8 of the ODU network layer protocol, the configuration information 1 of the ODU network layer protocol, and the configuration information 2 of the ODU network layer protocol are the same.
  • the single domain controller 1 calculates a single domain path 1 according to the single domain multi-layer connection service establishment request 1, and establishes a connection in the ETH node 1 and a connection in the ODU node 1 according to the single domain path 1, according to the ETH node 1
  • the internal connection, the connection within the ODU node 1, the connection service endpoint 1 and the connection service endpoint 3 configure the network device 1.
  • the single domain controller 2 calculates a single domain path 2 according to the single domain multi-layer connection service establishment request 2, and establishes a connection in the ETH node 2 and a connection in the ODU node 2 according to the single domain path 2, according to the ETH node 2
  • the internal connection, the connection within the ODU node 2, the connection service endpoint 2, and the connection service endpoint 4 configure the network device 2.
  • the single domain controller 3 calculates a single domain path 3 according to the single domain multi-layer connection service establishment request 3, and establishes a connection in the ETH node 3 and a connection in the ODU node 3 according to the single domain path 3, according to the ETH node 3
  • the internal connection, the connection within the ODU node 3, the connection service endpoint 7 and the connection service endpoint 8 configure the network device 3.
  • a method for establishing a multi-domain multi-layer connection service is described by taking the establishment of a connection service in which the number of network layers in the control domain is asymmetric.
  • the multi-domain controller controls two single-domain controllers, which are a single domain controller 1 and a single domain controller 2, and the control domain of the multi-domain controller is the control domain C, and the control domain of the single domain controller 1 To control domain A, the control domain of single domain controller 2 is control domain B.
  • the method for establishing a multi-domain multi-layer connection service in this embodiment includes:
  • step 1300 the single domain controller 1, the single domain controller 2, and the multi-domain controller abstract and query the network topology to obtain the service interface point 1 and the service interface point 2.
  • the service interface point 1 includes the resource pool attribute of the network layer protocol corresponding to the ETH node 1 of the control domain A, the resource pool attribute of the network layer protocol corresponding to the ODU node 1, and the resource of the network layer protocol corresponding to the OCh node 1. Pool properties.
  • the service interface point 2 includes the resource pool attribute of the network layer protocol corresponding to the ODU node 2 of the control domain B and the resource pool attribute of the network layer protocol corresponding to the OCh node 2.
  • the multi-domain controller receives the multi-domain multi-layer connection service establishment request, calculates the multi-domain path according to the multi-domain multi-layer connection service establishment request, and splits the multi-domain multi-layer connection service 1 into the single domain according to the multi-domain path.
  • the multi-layer connection service 1 and the single-domain multi-layer connection service 2 generate a single-domain multi-layer connection service establishment request 1 according to the single-domain multi-layer connection service 1 and send it to the single-domain controller 1 to generate a single-story multi-layer connection service 2
  • the domain multi-layer connection service establishment request 2 is sent to the single domain controller 2.
  • the multi-domain multi-layer connection service establishment request is used to request to establish a multi-domain multi-layer connection service 1 between the service interface point 1 and the service interface point 2, and the multi-domain multi-layer connection service is provided.
  • 1 is a connection service that automatically creates a service layer (including an ODU layer and an OCh layer) with the ETH layer as the top layer.
  • the multi-domain multi-layer connection service establishment request includes a connection service end point 1 and a connection service end point 2, and there is a one-to-one mapping relationship between the connection service end point 1 and the service interface point 1, and a pair between the connection service end point 2 and the service interface point 2 A mapping relationship.
  • connection service endpoint 1 carries: a service interface point 1 index, configuration information of the ETH network layer protocol, configuration information of the ODU network layer protocol, and configuration information 1 of the OCh network layer protocol.
  • connection service endpoint 2 carries: a service interface point 2 index, an ODU network layer protocol configuration information 2, and an OCh network layer protocol configuration information 2.
  • the configuration information 1 of the ODU network layer protocol is the same as the configuration information 2 of the ODU network layer protocol
  • the configuration information 1 of the OCh network layer protocol is the same as the configuration information 2 of the OCh network layer protocol.
  • the foregoing configuration information includes adaptation configuration information and termination function configuration information.
  • the adaptation configuration information includes mapping method configuration information. For example, mapping methods for ODU client signals, such as GFT-F, GFP-T, and BMP.
  • the multi-domain controller splits the multi-domain multi-layer connection service 1 into a single-domain multi-layer connection service 1 and a single-domain multi-layer connection service 2, according to the single-domain multi-layer connection service 1
  • the single-domain multi-layer connection service establishment request 1 is sent to the single-domain controller 1 to enable the single-domain controller 1 to complete the establishment of the single-domain multi-layer connection service 1, and generate a single-domain multi-layer connection according to the single-domain multi-layer connection service 2.
  • the service establishment request 2 is sent to the single domain controller 2 to enable the single domain controller 2 to complete the establishment of the single domain multi-layer connection service 2.
  • the single-domain multi-layer connection service establishment request 1 is used to request to establish a single-domain multi-layer connection service 1 in the control domain A.
  • the single-domain multi-layer connection service establishment request 1 includes: a connection service end point 1 and a connection service end point 3.
  • connection service end point 3 carries: the service interface point 3 index and the configuration information 3 of the OCh network layer protocol.
  • the configuration information 3 of the OCh network layer protocol, the configuration information 1 of the OCh network layer protocol, and the configuration information 2 of the OCh network layer protocol are the same.
  • the single-domain multi-layer connection service establishment request 2 is used to request to establish a single-domain multi-layer connection service 2 in the control domain B.
  • the single-domain multi-layer connection service establishment request 2 includes: a connection service end point 2 and a connection service end point 4.
  • connection service end point 4 carries: the service interface point 4 index, and the configuration information 4 of the OCh network layer protocol.
  • configuration information 4 of the OCh network layer protocol, the configuration information 1 of the OCh network layer protocol, and the configuration information 2 of the OCh network layer protocol are the same.
  • the single domain controller 1 calculates a single domain path 1 according to the single domain multi-layer connection service establishment request 1, and establishes a connection in the ETH node 1, a connection in the ODU node 1 and an OCh node 1 according to the single domain path 1.
  • the connection is configured according to the connection in the ETH node 1, the connection in the ODU node 1, the connection in the OCh node 1, the connection service endpoint 1 and the connection service endpoint 3.
  • the single domain controller 2 calculates a single domain path 2 according to the single domain multi-layer connection service establishment request 2, and establishes a connection in the ODU node 2 and a connection in the OCh node 2 according to the single domain path 2, according to the ODU node 2
  • the internal connection, the connection within the OCh node 2, the connection service endpoint 2, and the connection service endpoint 4 configure the network device 2.
  • the present application proposes a multi-domain multi-layer connection service establishing apparatus, which includes the following parts.
  • the first receiving module 1510 is configured to receive a multi-domain multi-layer connection service establishment request, where the multi-domain multi-layer connection service establishment request is used to request the first service interface point and the second control domain in the first control domain.
  • Establishing a multi-domain multi-layer connection service between the second service interface points, and the multi-domain multi-layer connection service establishment request carries the first service interface point identifier, and the two or more networks of the first service interface point
  • the configuration information is the same;
  • the first establishing module 1520 is configured to establish a multi-domain multi-layer connection service according to the multi-domain multi-layer connection service establishment request.
  • the first establishing module 1520 is configured to:
  • the single-domain multi-layer connection service establishment request carries a third service interface point identifier of the single-domain multi-layer connection service, and a third configuration of two or more network layer protocols of the third service interface point
  • the multi-domain multi-layer connection service establishing apparatus further includes the following parts.
  • the abstraction module 1530 is configured to abstract and query the network topology of the controlled multi-layer network to obtain a service interface point.
  • the first establishing module 1520 is configured to split the multi-domain multi-layer connection service establishment request into two or more single-domain multi-layer connection service establishment requests in the following manner:
  • the first configuration information of the same network layer is the same as the second configuration information.
  • the multi-domain multi-layer connection service establishment request includes a first connection service end point corresponding to the first service interface point and a second connection service end point corresponding to the second service interface point;
  • the first service interface point identifier and the first configuration information of the two or more network layer protocols of the first service interface point are carried in the first connection service endpoint;
  • the second service interface point identifier and the second configuration information of the two or more network layer protocols of the second service interface point are carried in the second connection service endpoint.
  • the first configuration information, the second configuration information, and the third configuration information are the same for the same network layer.
  • the single-domain multi-layer connection service establishment request includes a third connection service endpoint corresponding to the third service interface point;
  • the third service interface point identifier, and the third configuration information of the two or more network layer protocols of the third service interface point or the third configuration of the network layer protocol of the network layer where the inter-domain interworking link is located Information is carried in the third connection service endpoint.
  • the first establishing module 1520 is configured to:
  • a single-domain multi-layer connection service is established according to the first configuration information or the second configuration information.
  • the present application proposes a multi-domain multi-layer connection service establishing apparatus, which includes the following parts.
  • the second receiving module 1610 is configured to receive a single-domain multi-layer connection service establishment request, where the single-domain multi-layer connection service establishment request is used to request to establish a single-domain multi-layer connection service in the corresponding control domain, where the single The third service interface point identifier of the domain multi-layer connection service establishment request carrying the single-domain multi-layer connection service, and the third configuration information or the inter-domain interconnection link of the two or more network layer protocols of the third service interface point Third configuration information of the network layer protocol of the network layer;
  • the second establishing module 1620 is configured to establish a single domain multi-layer connection service according to the single-domain multi-layer connection service establishment request.
  • the second building module 1620 is configured to:
  • the corresponding network device is configured to implement the establishment of a single-domain multi-layer connection service.
  • the third configuration information of the same network layer is the same.
  • the single-domain multi-layer connection service establishment request includes a third connection service endpoint corresponding to the third service interface point;
  • the third service interface point identifier, and the third configuration information of the two or more network layer protocols of the third service interface point or the third configuration of the network layer protocol of the network layer where the inter-domain interworking link is located Information is carried in the third connection service endpoint.
  • the present application provides a multi-domain controller, including a first processor 1710 and a first computer readable storage medium 1720, where the first computer readable storage medium 1720 stores a first instruction.
  • the first instruction is executed by the processor, any one of the multi-domain multi-layer connection service establishment methods described above is implemented.
  • the present application provides a single domain controller, including a second processor 1810 and a second computer readable storage medium 1820, where the second computer readable storage medium 1820 stores a second instruction.
  • the second instruction is executed by the processor, any one of the multi-domain multi-layer connection service establishment methods described above is implemented.
  • the present application proposes a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements the steps of any of the multi-domain multi-layer connection service establishment methods described above.

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Abstract

本申请公开了一种多域多层连接业务建立方法和装置，包括：接收到携带第一业务接口点标识、第一业务接口点的两个或两个以上网络层协议的第一配置信息、第二业务接口点标识和第二业务接口点的两个或两个以上网络层协议的第二配置信息的多域多层连接业务建立请求；以及根据多域多层连接业务建立请求建立多域多层连接业务。

Description

多域多层连接业务建立方法和装置
本申请要求在2017年12月14日提交中国专利局、申请号为201711341587.2的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本公开涉及传送网络通信领域，尤指一种多域多层连接业务建立方法和装置。
背景技术
软件定义网络(SDN，Software Defined Network)是一种新型的网络架构。SDN的主要特征在于控制面与数据转发面的分离，从而实现集中化的控制以及可编程的网络操作。SDN实现了网络流量的灵活控制和网络业务的灵活部署，为核心网络及应用的创新提供了良好的平台。
在当前SDN技术中，一个多域多层的连接业务通常是通过逐层的连接业务建立来实现(一般由下层向上层逐层建立)的，存在业务开通效率低、业务管理代价高的问题。
发明内容
本申请提供了一种多域多层连接业务建立方法和装置，能够实现一次性多层连接业务的建立，从而提高业务开通效率、降低业务管理代价。
本申请提供了一种多域多层连接业务建立方法，包括：
接收到多域多层连接业务建立请求；其中，所述多域多层连接业务建立请求用于请求在第一控制域的第一业务接口点和第二控制域的第二业务接口点之间建立多域多层连接业务，且所述多域多层连接业务建立请求携带第一业务接口点标识、所述第一业务接口点的两个或两个以上网络层协议的第一配置信息、第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息；
根据多域多层连接业务建立请求建立多域多层连接业务。
在一实施例中，相同网络层的第一配置信息和第二配置信息相同。
在一实施例中，所述多域多层连接业务建立请求包括与所述第一业务接口点对应的第一连接业务端点以及与所述第二业务接口点对应的第二连接业务端点；
所述第一业务接口点标识和所述第一业务接口点的两个或两个以上网络层协议的第一配置信息在所述第一连接业务端点中携带；
所述第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息在所述第二连接业务端点中携带。
在一实施例中，所述根据多域多层连接业务建立请求建立多域多层连接业务包括：
将所述多域多层连接业务建立请求拆分成两个或两个以上单域多层连接业务建立请求，将单域多层连接业务建立请求发送给对应的单域控制器，以使单域控制器实现单域多层连接业务的建立，从而实现多域多层连接业务的建立；
其中，所述单域多层连接业务建立请求用于请求在对应的控制域建立单域多层连接业务，且所述单域多层连接业务建立请求携带单域多层连接业务的第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息。
在一实施例中，对于相同网络层，所述第一配置信息、所述第二配置信息和第三配置信息相同。
在一实施例中，所述单域多层连接业务建立请求包括与所述第三业务接口点对应的第三连接业务端点；
所述第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息在所述第三连接业务端点中携带。
在一实施例中，所述根据多域多层连接业务建立请求建立多域多层连接业务包括：
根据所述多域多层连接业务建立请求计算多域路径；
根据所述多域路径将所述多域多层连接业务拆分成两个或两个以上单域多层连接业务；
对于每一个所述单域多层连接业务，根据所述第一配置信息或所述第二配置信息建立单域多层连接业务。
本申请提供了一种多域多层连接业务建立方法，包括：
接收到单域多层连接业务建立请求；其中，所述单域多层连接业务建立请求用于请求在对应的控制域建立单域多层连接业务，所述单域多层连接业务建立请求携带单域多层连接业务的第三业务接口点标识，以及第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息；
根据单域多层连接业务建立请求建立单域多层连接业务。
在一实施例中，相同网络层的第三配置信息相同。
在一实施例中，所述单域多层连接业务建立请求包括与所述第三业务接口点对应的第三连接业务端点；
所述第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息在所述第三连接业务端点中携带。
本申请提供了一种多域多层连接业务建立装置，包括：
第一接收模块，设置为接收到多域多层连接业务建立请求；其中，所述多域多层连接业务建立请求用于请求在第一控制域的第一业务接口点和第二控制域的第二业务接口点之间建立多域多层连接业务，且所述多域多层连接业务建立请求携带第一业务接口点标识、所述第一业务接口点的两个或两个以上网络层协议的第一配置信息、第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息，且相同网络层的第一配置信息和第二配置信息相同；
第一建立模块，设置为根据多域多层连接业务建立请求建立多域多层连接业务。
在一实施例中，相同网络层的第一配置信息和第二配置信息相同。
在一实施例中，所述多域多层连接业务建立请求包括与所述第一业务接口点对应的第一连接业务端点以及与所述第二业务接口点对应的第二连接业务端点；
所述第一业务接口点标识和所述第一业务接口点的两个或两个以上网络层协议的第一配置信息在所述第一连接业务端点中携带；
所述第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息在所述第二连接业务端点中携带。
在一实施例中，所述第一建立模块设置为：
将所述多域多层连接业务建立请求拆分成两个或两个以上单域多层连接业务建立请求，将单域多层连接业务建立请求发送给对应的单域控制器，以使单域控制器实现单域多层连接业务的建立，从而实现多域多层连接业务的建立；
其中，所述单域多层连接业务建立请求用于请求在对应的控制域建立单域多层连接业务，且所述单域多层连接业务建立请求携带单域多层连接业务的第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息。
在一实施例中，对于相同网络层，所述第一配置信息、所述第二配置信息和第三配置信息相同。
在一实施例中，所述单域多层连接业务建立请求包括与所述第三业务接口点对应的第三连接业务端点；
所述第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息在所述第三连接业务端点中携带。
在一实施例中，所述第一建立模块设置为：
根据所述多域多层连接业务建立请求计算多域路径；
根据所述多域路径将所述多域多层连接业务拆分成两个或两个以上单域多层连接业务；
对于每一个所述单域多层连接业务，根据所述第一配置信息或所述第二配 置信息建立单域多层连接业务。
本申请提供了一种多域多层连接业务建立装置，包括：
第二接收模块，设置为接收到单域多层连接业务建立请求；其中，所述单域多层连接业务建立请求用于请求在对应的控制域建立单域多层连接业务，所述单域多层连接业务建立请求携带单域多层连接业务的第三业务接口点标识，以及第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息，且相同网络层的第三配置信息相同；
第二建立模块，设置为根据单域多层连接业务建立请求建立单域多层连接业务。
在一实施例中，相同网络层的第三配置信息相同。
在一实施例中，所述单域多层连接业务建立请求包括与所述第三业务接口点对应的第三连接业务端点；
所述第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息在所述第三连接业务端点中携带。
本申请提供了一种多域控制器，包括第一处理器和第一计算机可读存储介质，所述第一计算机可读存储介质中存储有第一指令，当所述第一指令被所述处理器执行时，实现上述任一种多域多层连接业务建立方法。
本申请提供了一种单域控制器，包括第二处理器和第二计算机可读存储介质，所述第二计算机可读存储介质中存储有第二指令，当所述第二指令被所述处理器执行时，实现上述任一种多域多层连接业务建立方法。
本申请提供了一种计算机可读存储介质，存储有计算机程序，所述计算机程序被处理器执行时实现上述任一种多域多层连接业务建立方法的步骤。
本发明实施例提供了一种计算机可读存储介质，存储有计算机程序，所述计算机程序被处理器执行时实现上述任一种多域多层连接业务建立方法的步骤。
与相关技术相比，本申请包括：接收到多域多层连接业务建立请求；其中，所述多域多层连接业务建立请求用于请求在第一控制域的第一业务接口点和第 二控制域的第二业务接口点之间建立多域多层连接业务，且所述多域多层连接业务建立请求携带第一业务接口点标识、所述第一业务接口点的两个或两个以上网络层协议的第一配置信息、第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息；根据多域多层连接业务建立请求建立多域多层连接业务。本申请的方法在多域多层连接业务建立请求中携带有两个或两个以上网络层协议的配置信息，一次性实现了两个或两个以上网络层协议的连接业务的建立，从而提高了业务开通效率、降低了业务管理代价。
本申请的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本申请而了解。本申请的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
附图说明
图1为本公开实施例提供的多域多层连接业务建立方法的流程图；
图2为本公开实施例提供的另一种多域多层连接业务建立方法的流程图；
图3为本公开实施例1提供的多域控制器的控制域的结构示意图；
图4为本公开实施例1提供的多域多层连接业务建立方法的流程图；
图5为本公开实施例1提供的单域多层连接业务建立示意图；
图6为本公开实施例2提供的多域多层连接业务建立方法的流程图；
图7为本公开实施例2提供的多域多层连接业务建立示意图；
图8为本公开实施例2提供的单域多层连接业务建立示意图；
图9为本公开实施例3提供的多域多层连接业务建立方法的流程图；
图10为本公开实施例3提供的多域多层连接业务建立示意图；
图11为本公开实施例3提供的单域多层连接业务建立示意图；
图12为本公开实施例4提供的多域多层连接业务建立方法的流程图；
图13为本公开实施例4提供的多域多层连接业务建立示意图；
图14为本公开实施例4提供的单域多层连接业务建立示意图；
图15为本公开实施例提供的一种多域多层连接业务建立装置的结构组成示 意图；
图16为本公开实施例提供的另一种多域多层连接业务建立装置的结构组成示意图；
图17为本公开实施例提供的多域控制器的结构组成示意图；以及
图18为本公开实施例提供的单域控制器的结构组成示意图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚明白，下文中将结合附图对本申请的实施例进行详细说明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的计算机系统中执行。并且，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。
参见图1，本申请提出了一种多域多层连接业务建立方法，包括以下步骤。
在步骤100中接收到多域多层连接业务建立请求。
本申请中，多域多层连接业务建立请求用于请求在第一控制域的第一业务接口点和第二控制域的第二业务接口点之间建立多域多层连接业务。
其中，控制域是指控制器所控制的网络设备范围或网络设备集合。
控制域内用节点来表示网络设备的网络层的逻辑转发域，且节点间通过链路进行连接。
节点内用节点边缘点表示逻辑端口的资源信息。
其中，业务接口点为连接业务的接入点，用于表征节点边缘点的资源信息的抽象。业务接口点包括控制的多层网络的所有网络层协议的资源池属性。业务接口点与节点边缘点有映射关系，为连接业务的建立、删除和修改提供资源信息。
例如，以太网(ETH，Ethernet)层的资源池属性包括ELAN标签，光数据单元(ODU，Optical Data Unit)层的资源池属性包括：可用时序。
本申请中，多域多层连接业务建立请求携带第一业务接口点标识、所述第一业务接口点的两个或两个以上网络层协议的第一配置信息、第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息。
其中，业务接口点标识可以是业务接口点索引、或业务接口点名称、或业务接口点身份标识号(ID，Identification)等。
在一个可选实施例中，多域多层连接业务建立请求包括与所述第一业务接口点对应的第一连接业务端点以及与所述第二业务接口点对应的第二连接业务端点；
第一业务接口点标识和所述第一业务接口点的两个或两个以上网络层协议的第一配置信息在第一连接业务端点中携带；
第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息在所述第二连接业务端点中携带。
其中，连接业务端点是指连接业务的端点，与业务接口点有映射关系，表示连接业务端的输入/输出角色、资源使用信息等。
其中，对于相同网络层，所述第一配置信息和所述第二配置信息。使得不同控制域的网络层协议配置达成一致，实现了多域多层连接业务的互通。
其中，配置信息包括适配配置信息和终结功能配置信息，其中，适配配置信息包括映射方法配置信息。
在一实施例中，多域多层连接业务建立请求还携带以下至少一个：连接性约束、保护恢复约束和拓扑约束。
其中，连接性约束包括多域多层连接业务涉及的所有网络层协议名称。
本申请的方法在多域多层连接业务建立请求中携带有两个或两个以上网络层协议的配置信息，从而一次性实现两个或两个以上网络层协议的连接业务的建立，提高了业务开通效率、降低了业务管理代价。
在步骤101中，根据多域多层连接业务建立请求建立多域多层连接业务。
在一实施例中，可以采用第一种方法和第二种方法中的任一种建立多域多层连接业务。
第一种方法，将多域多层连接业务建立请求拆分成两个或两个以上单域多层连接业务建立请求，将单域多层连接业务建立请求发送给对应的单域控制器，以使单域控制器实现单域多层连接业务的建立，从而实现多域多层连接业务的建立。
本申请中，将多域多层连接业务建立请求拆分成两个或两个以上单域多层连接业务建立请求包括：
根据所述多域多层连接业务建立请求计算多域路径；根据所述多域路径将多域多层连接业务拆分为两个或两个以上单域多层连接业务；根据所述单元多层连接业务生成所述单域多层连接业务建立请求。
本申请中，单域多层连接业务建立请求还携带以下至少一个：连接性约束、保护恢复约束和拓扑约束。
根据第一业务接口点标识、第二业务接口点标识和上述约束条件计算多域路径。
本申请中，单域多层连接业务建立请求用于请求在对应的控制域建立单域多层连接业务。单域多层连接业务建立请求携带单域多层连接业务的第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息。
在一实施例中，当第三业务接口点为第一业务接口点时，单域多层连接业务建立请求携带：第一业务接口点标识和第一业务接口点的两个或两个以上网络层协议的第一配置信息。
当第三业务接口点为第二业务接口点时，单域多层连接业务建立请求携带：第二业务接口点标识和第二业务接口点的两个或两个以上网络层协议的第二配置信息。
当所述第三业务接口点不同于所述第一业务接口点和所述第二业务接口点时，单域多层连接业务建立请求携带：第三业务接口点标识和第三业务接口点的域间互通链路所在的网络层的网络层协议的第三配置信息。
在一个实施例中，单域多层连接业务建立请求包括与所述第三业务接口点对应的第三连接业务端点；
所述第三业务接口点标识，以及所述第三业务接口点对应的第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息在所述第三连接业务端点中携带。
在一个实施例中，相同网络层的第三配置信息相同，并且与第一配置信息和第二配置信息相同。使得不同控制域的网络层协议配置达成一致，实现了多域多层连接业务的互通。
第二种方法，根据所述多域多层连接业务建立请求计算多域路径；根据所述多域路径将所述多域多层连接业务拆分成两个或两个以上单域多层连接业务；对于每一个所述单域多层连接业务，根据所述第一配置信息或所述第二配置信息建立单域多层连接业务。
本申请中，可以根据第一业务接口点标识、第二接口点标识和上述约束条件计算多域路径。
本申请中，根据所述第一配置信息或所述第二配置信息建立单域多层连接业务包括：
根据单域多层连接业务的业务接口点标识计算单域路径；根据单域路径建立所有节点内的连接；根据建立的连接以及单域多层连接业务的业务接口点的网络层协议的配置信息对业务接口点对应的网络设备进行配置，以实现单域多层连接业务的建立。
其中，根据业务接口点标识和上述约束条件计算单域路径。
在一个可选实施例中，该方法之前还包括以下步骤。
对控制的多层网络的网络拓扑进行抽象与查询得到业务接口点。
参见图2，本申请提出了一种多域多层连接业务建立方法，包括：
在步骤200中，接收到单域多层连接业务建立请求。
本申请中，单域多层连接业务建立请求用于请求在对应的控制域建立单域多层连接业务。单域多层连接业务建立请求携带单域多层连接业务的第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息。
在一实施例中，当第三业务接口点为第一业务接口点时，单域多层连接业务建立请求携带：第一业务接口点标识和第一业务接口点的两个或两个以上网络层协议的第一配置信息。
当第三业务接口点为第二业务接口点时，单域多层连接业务建立请求携带：第二业务接口点标识和第二业务接口点的两个或两个以上网络层协议的第二配置信息。
当所述第三业务接口点不同于所述第一业务接口点和所述第二业务接口点时，单域多层连接业务建立请求携带：第三业务接口点标识和第三业务接口点的域间互通链路所在的网络层的网络层协议的第三配置信息。
在一个实施例中，单域多层连接业务建立请求包括与所述第三业务接口点对应的第三连接业务端点；
所述第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息在所述第三连接业务端点中携带。
其中，相同网络层的第三配置信息相同，并且与第一配置信息和第二配置信息相同。
在一实施例中，单域多层连接业务建立请求还携带以下至少一个：连接性约束、保护恢复约束和拓扑约束。
在步骤201中，根据单域多层连接业务建立请求建立单域多层连接业务。
在一实施例中，根据单域多层连接业务建立请求计算单域路径；根据单域路径建立所有节点内的连接；根据建立的连接以及单域多层连接业务建立请求中的第三配置信息对第三业务接口点对应的网络设备进行配置，以实现单域多层连接业务的建立。
其中，根据第三业务接口点标识和上述约束条件计算单域路径。
下面通过几个具体实施例说明本申请的多域多层连接业务建立方法的具体实现。
实施例1
本实施例以两层网络、两个控制域的连接业务的建立为例说明多域多层连接业务建立方法。
参见图3，多域控制器控制两个单域控制器，分别为单域控制器1和单域控制器2，多域控制器的控制域为控制域C，单域控制器1的控制域为控制域A，单域控制器2的控制域为控制域B。
参见图4，本实施例的多域多层连接业务建立方法包括以下步骤。
在步骤400中，单域控制器1、单域控制器2和多域控制器对网络拓扑进行抽象和查询得到业务接口点1和业务接口点2。
本实施例中，业务接口点1包括控制域A的ETH节点1对应的网络层协议的资源池属性和ODU节点1对应的网络层协议的资源池属性。
业务接口点2包括控制域B的ETH节点2对应的网络层协议的资源池属性和ODU节点2对应的网络层协议的资源池属性。
在步骤401中，多域控制器接收多域多层连接业务建立请求，根据多域多层连接业务建立请求计算多域路径，根据多域路径将多域多层连接业务1拆分为单域多层连接业务1和单域多层连接业务2，根据单域多层连接业务1生成单域多层连接业务建立请求1发送给单域控制器1，根据单域多层连接业务2生成单域多层连接业务建立请求2发送给单域控制器2。
本实施例中，如图3所示，多域多层连接业务建立请求用于请求在业务接口点1和业务接口点2之间建立多域多层连接业务1，该多域多层连接业务1为以ETH层为顶层的自动创建服务层(包括ODU层)的连接业务。
多域多层连接业务建立请求包括连接业务端点1和连接业务端点2，连接业务端点1与业务接口点1之间有一对一的映射关系，连接业务端点2与业务接口点2之间有一对一的映射关系。
连接业务端点1携带：业务接口点1索引、ETH网络层协议的配置信息1、ODU网络层协议的配置信息1。
连接业务端点2携带：业务接口点2索引、ETH网络层协议的配置信息2、ODU网络层协议的配置信息2。
并且，ETH网络层协议的配置信息1与ETH网络层协议的配置信息2相同， ODU网络层协议的配置信息1和ODU网络层协议的配置信息2相同。
上述配置信息包括适配配置信息和终结功能配置信息。其中，适配配置信息包括映射方法配置信息。例如，ODU客户信号的映射方法，如通用成帧规程-帧映射(GFT-F，Generic Framing Procedure Transparent)、通用成帧规程-透明映射(GFP-T，Generic Framing Procedure-Transparent)、比特同步映射规程(BMP，Bit-synchronous Mapping Procedure)。
本实施例中，如图5所示，多域控制器将多域多层连接业务1拆分为单域多层连接业务1和单域多层连接业务2，根据单域多层连接业务1生成单域多层连接业务建立请求1发送给单域控制器1，以使单域控制器1完成单域多层连接业务1的建立，根据单域多层连接业务2生成单域多层连接业务建立请求2发送给单域控制器2，以使单域控制器2完成单域多层连接业务2的建立。
本实施例中，单域多层连接业务建立请求1用于请求在控制域A建立单域多层连接业务1。单域多层连接业务建立请求1包括：连接业务端点1和连接业务端点3。
连接业务端点3携带：业务接口点3索引、ODU网络层协议的配置信息3。
并且，ODU网络层协议的配置信息3、ODU网络层协议的配置信息1和ODU网络层协议的配置信息2均相同。
单域多层连接业务建立请求2用于请求在控制域B建立单域多层连接业务2。单域多层连接业务建立请求2包括：连接业务端点2和连接业务端点4。
连接业务端点4携带：业务接口点4索引、ODU网络层协议的配置信息4。
并且ODU网络层协议的配置信息4、ODU网络层协议的配置信息1和ODU网络层协议的配置信息2均相同。
在步骤402中单域控制器1根据单域多层连接业务建立请求1计算单域路径1，根据单域路径1建立ETH节点1内的连接和ODU节点1内的连接，根据ETH节点1内的连接、ODU节点1内的连接、连接业务端点1和连接业务端点3对网络设备1进行配置。
在步骤403中单域控制器2根据单域多层连接业务建立请求2计算单域路径2，根据单域路径2建立ETH节点2内的连接和ODU节点2内的连接，根据 ETH节点2内的连接、ODU节点2内的连接、连接业务端点2和连接业务端点4对网络设备2进行配置。
实施例2
本实施例以三层网络、两个控制域的连接业务的建立为例说明多域多层连接业务建立方法。
参见图6，多域控制器控制两个单域控制器，分别为单域控制器1和单域控制器6，多域控制器的控制域为控制域C，单域控制器1的控制域为控制域A，单域控制器2的控制域为控制域B。
参见图7，本实施例的多域多层连接业务建立方法包括以下步骤。
在步骤700中，单域控制器1、单域控制器2和多域控制器对网络拓扑进行抽象与查询得到业务接口点1和业务接口点2。
本实施例中，业务接口点1包括控制域A的ETH节点1对应的网络层协议的资源池属性、ODU节点1对应的网络层协议的资源池属性和光通道(OCh，Optical Channel)节点1对应的网络层协议的资源池属性。
业务接口点2包括控制域B的ETH节点2对应的网络层协议的资源池属性、ODU节点2对应的网络层协议的资源池属性和OCh节点2对应的网络层协议的资源池属性。
在步骤701中，多域控制器接收多域多层连接业务建立请求，根据多域多层连接业务建立请求计算多域路径，根据多域路径将多域多层连接业务1拆分为单域多层连接业务1和单域多层连接业务2，根据单域多层连接业务1生成单域多层连接业务建立请求1发送给单域控制器1，根据单域多层连接业务2生成单域多层连接业务建立请求2发送给单域控制器2。
本实施例中，如图6所示，多域多层连接业务建立请求用于请求在业务接口点1和业务接口点2之间建立多域多层连接业务1，该多域多层连接业务1为以ETH层为顶层的自动创建服务层(包括ODU层和OCh层)的连接业务。
多域多层连接业务建立请求包括连接业务端点1和连接业务端点2，连接业务端点1与业务接口点1之间有一对一的映射关系，连接业务端点2与业务接口点2之间有一对一的映射关系。
连接业务端点1携带：业务接口点1索引、ETH网络层协议的配置信息1、ODU网络层协议的配置信息1、OCh网络层协议的配置信息1。
连接业务端点2携带：业务接口点2索引、ETH网络层协议的配置信息2、ODU网络层协议的配置信息2、OCh网络层协议的配置信息2。
并且，ETH网络层协议的配置信息1与ETH网络层协议的配置信息2相同，ODU网络层协议的配置信息1和ODU网络层协议的配置信息2相同，OCh网络层协议的配置信息1和OCh网络层协议的配置信息2相同。
上述配置信息包括适配配置信息和终结功能配置信息。其中，适配配置信息包括映射方法配置信息。例如，ODU客户信号的映射方法，如GFT-F、GFP-T、BMP。
本实施例中，如图8所示，多域控制器将多域多层连接业务1拆分为单域多层连接业务1和单域多层连接业务2，根据单域多层连接业务1生成单域多层连接业务建立请求1发送给单域控制器1，以使单域控制器1完成单域多层连接业务1的建立，根据单域多层连接业务2生成单域多层连接业务建立请求2发送给单域控制器2，以使单域控制器2完成单域多层连接业务2的建立。
本实施例中，单域多层连接业务建立请求1用于请求在控制域A建立单域多层连接业务1。单域多层连接业务建立请求1包括：连接业务端点1和连接业务端点3。
连接业务端点3携带：业务接口点3索引、OCh网络层协议的配置信息3。
并且，OCh网络层协议的配置信息3、OCh网络层协议的配置信息1和OCh网络层协议的配置信息2均相同。
单域多层连接业务建立请求2用于请求在控制域B建立单域多层连接业务2。单域多层连接业务建立请求2包括：连接业务端点2和连接业务端点4。
连接业务端点4携带：业务接口点4索引、OCh网络层协议的配置信息4。
并且OCh网络层协议的配置信息4、OCh网络层协议的配置信息1和OCh网络层协议的配置信息2均相同。
在步骤702中，单域控制器1根据单域多层连接业务建立请求1计算单域路径1，根据单域路径1建立ETH节点1内的连接、ODU节点1内的连接和 OCh节点1内的连接，根据ETH节点1内的连接、ODU节点1内的连接、OCh节点1内的连接、连接业务端点1和连接业务端点3对网络设备1进行配置。
在步骤703中，单域控制器2根据单域多层连接业务建立请求2计算单域路径2，根据单域路径2建立ETH节点2内的连接、ODU节点2内的连接和OCh节点1内的连接，根据ETH节点2内的连接、ODU节点2内的连接、OCh节点2内的连接、连接业务端点2和连接业务端点4对网络设备2进行配置。
实施例3
本实施例以两层网络、三个控制域的连接业务的建立为例说明多域多层连接业务建立方法。
参见图9，多域控制器控制三个单域控制器，分别为单域控制器1、单域控制器2和单域控制器3，多域控制器的控制域为控制域C，单域控制器1的控制域为控制域A，单域控制器2的控制域为控制域B，单域控制器3的控制域为控制域D。
参见图10，本实施例的多域多层连接业务建立方法包括：
在步骤1000中，单域控制器1、单域控制器2和多域控制器对网络拓扑进行抽象与查询得到业务接口点1和业务接口点2。
本实施例中，业务接口点1包括控制域A的ETH节点1对应的网络层协议的资源池属性和ODU节点1对应的网络层协议的资源池属性。
业务接口点2包括控制域B的ETH节点2对应的网络层协议的资源池属性和ODU节点2对应的网络层协议的资源池属性。
在步骤1001中，多域控制器接收多域多层连接业务建立请求，根据多域多层连接业务建立请求计算多域路径，根据多域路径将多域多层连接业务1拆分为单域多层连接业务1、单域多层连接业务2和单域多层连接业务3，根据单域多层连接业务1生成单域多层连接业务建立请求1发送给单域控制器1，根据单域多层连接业务2生成单域多层连接业务建立请求2发送给单域控制器2，根据单域多层连接业务3生成单域多层连接业务建立请求3发送给单域控制器3。
本实施例中，如图9所示，多域多层连接业务建立请求用于请求在业务接口点1和业务接口点2之间建立多域多层连接业务1，该多域多层连接业务1为 以ETH层为顶层的自动创建服务层(包括ODU层)的连接业务。
多域多层连接业务建立请求包括连接业务端点1和连接业务端点2，连接业务端点1与业务接口点1之间有一对一的映射关系，连接业务端点2与业务接口点2之间有一对一的映射关系。
连接业务端点1携带：业务接口点1索引、ETH网络层协议的配置信息1、ODU网络层协议的配置信息1。
连接业务端点2携带：业务接口点2索引、ETH网络层协议的配置信息2、ODU网络层协议的配置信息2。
并且，ETH网络层协议的配置信息1与ETH网络层协议的配置信息2相同，ODU网络层协议的配置信息1和ODU网络层协议的配置信息2相同。
上述配置信息包括适配配置信息和终结功能配置信息。其中，适配配置信息包括映射方法配置信息。例如，ODU客户信号的映射方法，如GFT-F、GFP-T、BMP。
本实施例中，如图11所示，多域控制器将多域多层连接业务1拆分为单域多层连接业务1、单域多层连接业务2和单域多层连接业务3，根据单域多层连接业务1生成单域多层连接业务建立请求1发送给单域控制器1，以使单域控制器1完成单域多层连接业务1的建立，根据单域多层连接业务2生成单域多层连接业务建立请求2发送给单域控制器2，以使单域控制器2完成单域多层连接业务2的建立，根据单域多层连接业务3生成单域多层连接业务建立请求3发送给单域控制器3，以使单域控制器3完成单域多层连接业务2的建立。
本实施例中，单域多层连接业务建立请求1用于请求在控制域A建立单域多层连接业务1。单域多层连接业务建立请求1包括：连接业务端点1和连接业务端点3。
连接业务端点3携带：业务接口点3索引、ODU网络层协议的配置信息3。
并且，ODU网络层协议的配置信息3和ODU网络层协议的配置信息1和ODU网络层协议的配置信息2均相同。
单域多层连接业务建立请求2用于请求在控制域B建立单域多层连接业务2。单域多层连接业务建立请求2包括：连接业务端点2和连接业务端点4。
连接业务端点4携带：业务接口点4索引、ODU网络层协议的配置信息4。
并且ODU网络层协议的配置信息4和ODU网络层协议的配置信息1和ODU网络层协议的配置信息2均相同。
单域多层连接业务建立请求3用于请求在控制域D建立单域多层连接业务3。单域多层连接业务建立请求3包括：连接业务端点7和连接业务端点8。
连接业务端点7携带：业务接口点7索引、ODU网络层协议的配置信息7。
连接业务端点8携带：业务接口点8索引、ODU网络层协议的配置信息8。
并且ODU网络层协议的配置信息7、ODU网络层协议的配置信息8、ODU网络层协议的配置信息1和ODU网络层协议的配置信息2均相同。
在步骤1002中，单域控制器1根据单域多层连接业务建立请求1计算单域路径1，根据单域路径1建立ETH节点1内的连接和ODU节点1内的连接，根据ETH节点1内的连接、ODU节点1内的连接、连接业务端点1和连接业务端点3对网络设备1进行配置。
在步骤1003中，单域控制器2根据单域多层连接业务建立请求2计算单域路径2，根据单域路径2建立ETH节点2内的连接和ODU节点2内的连接，根据ETH节点2内的连接、ODU节点2内的连接、连接业务端点2和连接业务端点4对网络设备2进行配置。
在步骤1004中，单域控制器3根据单域多层连接业务建立请求3计算单域路径3，根据单域路径3建立ETH节点3内的连接和ODU节点3内的连接，根据ETH节点3内的连接、ODU节点3内的连接、连接业务端点7和连接业务端点8对网络设备3进行配置。
实施例4
本实施例以两个控制域网络层数不对称的连接业务的建立为例说明多域多层连接业务建立方法。
参见图12，多域控制器控制两个单域控制器，分别为单域控制器1和单域控制器2，多域控制器的控制域为控制域C，单域控制器1的控制域为控制域A，单域控制器2的控制域为控制域B。
参见图13，本实施例的多域多层连接业务建立方法包括：
在步骤1300中，单域控制器1、单域控制器2和多域控制器对网络拓扑进行抽象与查询得到业务接口点1和业务接口点2。
本实施例中，业务接口点1包括控制域A的ETH节点1对应的网络层协议的资源池属性、ODU节点1对应的网络层协议的资源池属性和OCh节点1对应的网络层协议的资源池属性。
业务接口点2包括控制域B的ODU节点2对应的网络层协议的资源池属性和OCh节点2对应的网络层协议的资源池属性。
在步骤1301中，多域控制器接收多域多层连接业务建立请求，根据多域多层连接业务建立请求计算多域路径，根据多域路径将多域多层连接业务1拆分为单域多层连接业务1和单域多层连接业务2，根据单域多层连接业务1生成单域多层连接业务建立请求1发送给单域控制器1，根据单域多层连接业务2生成单域多层连接业务建立请求2发送给单域控制器2。
本实施例中，如图12所示，多域多层连接业务建立请求用于请求在业务接口点1和业务接口点2之间建立多域多层连接业务1，该多域多层连接业务1为以ETH层为顶层的自动创建服务层(包括ODU层和OCh层)的连接业务。
多域多层连接业务建立请求包括连接业务端点1和连接业务端点2，连接业务端点1与业务接口点1之间有一对一的映射关系，连接业务端点2与业务接口点2之间有一对一的映射关系。
连接业务端点1携带：业务接口点1索引、ETH网络层协议的配置信息1、ODU网络层协议的配置信息1、OCh网络层协议的配置信息1。
连接业务端点2携带：业务接口点2索引、ODU网络层协议的配置信息2、OCh网络层协议的配置信息2。
并且，ODU网络层协议的配置信息1与ODU网络层协议的配置信息2相同，OCh网络层协议的配置信息1和OCh网络层协议的配置信息2相同。
上述配置信息包括适配配置信息和终结功能配置信息。其中，适配配置信息包括映射方法配置信息。例如，ODU客户信号的映射方法，如GFT-F、GFP-T、BMP。
本实施例中，如图14所示，多域控制器将多域多层连接业务1拆分为单域多层连接业务1和单域多层连接业务2，根据单域多层连接业务1生成单域多层连接业务建立请求1发送给单域控制器1，以使单域控制器1完成单域多层连接业务1的建立，根据单域多层连接业务2生成单域多层连接业务建立请求2发送给单域控制器2，以使单域控制器2完成单域多层连接业务2的建立。
本实施例中，单域多层连接业务建立请求1用于请求在控制域A建立单域多层连接业务1。单域多层连接业务建立请求1包括：连接业务端点1和连接业务端点3。
连接业务端点3携带：业务接口点3索引、OCh网络层协议的配置信息3。
并且，OCh网络层协议的配置信息3、OCh网络层协议的配置信息1和OCh网络层协议的配置信息2均相同。
单域多层连接业务建立请求2用于请求在控制域B建立单域多层连接业务2。单域多层连接业务建立请求2包括：连接业务端点2和连接业务端点4。
连接业务端点4携带：业务接口点4索引、OCh网络层协议的配置信息4。
并且OCh网络层协议的配置信息4、OCh网络层协议的配置信息1和OCh网络层协议的配置信息2均相同。
在步骤1302中，单域控制器1根据单域多层连接业务建立请求1计算单域路径1，根据单域路径1建立ETH节点1内的连接、ODU节点1内的连接和OCh节点1内的连接，根据ETH节点1内的连接、ODU节点1内的连接、OCh节点1内的连接、连接业务端点1和连接业务端点3对网络设备1进行配置。
在步骤1303中，单域控制器2根据单域多层连接业务建立请求2计算单域路径2，根据单域路径2建立ODU节点2内的连接和OCh节点2内的连接，根据ODU节点2内的连接、OCh节点2内的连接、连接业务端点2和连接业务端点4对网络设备2进行配置。
参见图15，本申请提出了一种多域多层连接业务建立装置，包括以下部分。
第一接收模块1510，设置为接收到多域多层连接业务建立请求；其中，所述多域多层连接业务建立请求用于请求在第一控制域的第一业务接口点和第二控制域的第二业务接口点之间建立多域多层连接业务，且所述多域多层连接业 务建立请求携带第一业务接口点标识、所述第一业务接口点的两个或两个以上网络层协议的第一配置信息、第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息，且相同网络层的第一配置信息和第二配置信息相同；
第一建立模块1520，设置为根据多域多层连接业务建立请求建立多域多层连接业务。
在一实施例中，第一建立模块1520设置为：
将所述多域多层连接业务建立请求拆分成两个或两个以上单域多层连接业务建立请求；将单域多层连接业务建立请求发送给对应的单域控制器，以使单域控制器实现单域多层连接业务的建立，从而实现多域多层连接业务的建立；其中，所述单域多层连接业务建立请求用于请求在对应的控制域建立单域多层连接业务，且所述单域多层连接业务建立请求携带单域多层连接业务的第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息。
在一实施例中，多域多层连接业务建立装置还包括以下部分。
抽象模块1530，设置为对控制的多层网络的网络拓扑进行抽象与查询得到业务接口点。
在一实施例中，第一建立模块1520设置为采用以下方式实现将所述多域多层连接业务建立请求拆分成两个或两个以上单域多层连接业务建立请求：
根据所述多域多层连接业务建立请求计算多域路径；
根据所述多域路径将多域多层连接业务拆分为两个或两个以上单域多层连接业务；
根据所述单域多层连接业务生成所述单域多层连接业务建立请求。
在一实施例中，相同网络层的第一配置信息和第二配置信息相同。
在一实施例中，所述多域多层连接业务建立请求包括与所述第一业务接口点对应的第一连接业务端点以及与所述第二业务接口点对应的第二连接业务端点；
所述第一业务接口点标识和所述第一业务接口点的两个或两个以上网络层协议的第一配置信息在所述第一连接业务端点中携带；
所述第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息在所述第二连接业务端点中携带。
在一实施例中，对于相同网络层，所述第一配置信息、所述第二配置信息和第三配置信息相同。
在一实施例中，所述单域多层连接业务建立请求包括与所述第三业务接口点对应的第三连接业务端点；
所述第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息在所述第三连接业务端点中携带。
在一实施例中，第一建立模块1520设置为：
根据所述多域多层连接业务建立请求计算多域路径；
根据所述多域路径将所述多域多层连接业务拆分成两个或两个以上单域多层连接业务；
对于每一个所述单域多层连接业务，根据所述第一配置信息或所述第二配置信息建立单域多层连接业务。
参见图16，本申请提出了一种多域多层连接业务建立装置，包括以下部分。
第二接收模块1610，设置为接收到单域多层连接业务建立请求；其中，所述单域多层连接业务建立请求用于请求在对应的控制域建立单域多层连接业务，所述单域多层连接业务建立请求携带单域多层连接业务的第三业务接口点标识，以及第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息；
第二建立模块1620，设置为根据单域多层连接业务建立请求建立单域多层连接业务。
在一实施例中，第二建立模块1620设置为：
根据单域多层连接业务建立请求计算单域路径；根据单域路径建立所有节 点内的连接；根据建立的连接以及单域多层连接业务建立请求中的第三配置信息对第三业务接口点对应的网络设备进行配置，以实现单域多层连接业务的建立。
在一实施例中，相同网络层的第三配置信息相同。
在一实施例中，所述单域多层连接业务建立请求包括与所述第三业务接口点对应的第三连接业务端点；
所述第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息在所述第三连接业务端点中携带。
参见图17，本申请提出了一种多域控制器，包括第一处理器1710和第一计算机可读存储介质1720，所述第一计算机可读存储介质1720中存储有第一指令，当所述第一指令被所述处理器执行时，实现上述任一种多域多层连接业务建立方法。
参见图18，本申请提出了一种单域控制器，包括第二处理器1810和第二计算机可读存储介质1820，所述第二计算机可读存储介质1820中存储有第二指令，当所述第二指令被所述处理器执行时，实现上述任一种多域多层连接业务建立方法。
本申请提出了一种计算机可读存储介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现上述任一种多域多层连接业务建立方法的步骤。
虽然本申请所揭露的实施方式如上，但所述的内容仅为便于理解本申请而采用的实施方式，并非用以限定本申请。任何本申请所属领域内的技术人员，在不脱离本申请所揭露的精神和范围的前提下，可以在实施的形式及细节上进行任何的修改与变化，但本申请的专利保护范围，仍须以所附的权利要求书所界定的范围为准。

Claims (24)

  1. 一种多域多层连接业务建立方法，包括：
    接收到多域多层连接业务建立请求；其中，所述多域多层连接业务建立请求用于请求在第一控制域的第一业务接口点和第二控制域的第二业务接口点之间建立多域多层连接业务，且所述多域多层连接业务建立请求携带第一业务接口点标识、所述第一业务接口点的两个或两个以上网络层协议的第一配置信息、第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息；以及
    根据多域多层连接业务建立请求建立多域多层连接业务。
  2. 根据权利要求1所述的多域多层连接业务建立方法，其中，相同网络层的第一配置信息和第二配置信息相同。
  3. 根据权利要求1所述的多域多层连接业务建立方法，其中，所述多域多层连接业务建立请求包括与所述第一业务接口点对应的第一连接业务端点以及与所述第二业务接口点对应的第二连接业务端点；
    所述第一业务接口点标识和所述第一业务接口点的两个或两个以上网络层协议的第一配置信息在所述第一连接业务端点中携带；以及
    所述第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息在所述第二连接业务端点中携带。
  4. 根据权利要求1～3任一项所述的多域多层连接业务建立方法，其中，所述根据多域多层连接业务建立请求建立多域多层连接业务包括：
    将所述多域多层连接业务建立请求拆分成两个或两个以上单域多层连接业务建立请求，将单域多层连接业务建立请求发送给对应的单域控制器，以使单域控制器实现单域多层连接业务的建立，从而实现多域多层连接业务的建立；
    其中，所述单域多层连接业务建立请求用于请求在对应的控制域建立单域多层连接业务，且所述单域多层连接业务建立请求携带单域多层连接业务的第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息。
  5. 根据权利要求4所述的多域多层连接业务建立方法，其中，对于相同网络层，所述第一配置信息、所述第二配置信息和第三配置信息相同。
  6. 根据权利要求4所述的多域多层连接业务建立方法，其中，所述单域多层连接业务建立请求包括与所述第三业务接口点对应的第三连接业务端点；以及
    所述第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息在所述第三连接业务端点中携带。
  7. 根据权利要求1～3任一项所述的多域多层连接业务建立方法，其中，所述根据多域多层连接业务建立请求建立多域多层连接业务包括：
    根据所述多域多层连接业务建立请求计算多域路径；
    根据所述多域路径将所述多域多层连接业务拆分成两个或两个以上单域多层连接业务；以及
    对于每一个所述单域多层连接业务，根据所述第一配置信息或所述第二配置信息建立单域多层连接业务。
  8. 一种多域多层连接业务建立方法，包括：
    接收到单域多层连接业务建立请求；其中，所述单域多层连接业务建立请求用于请求在对应的控制域建立单域多层连接业务，所述单域多层连接业务建立请求携带单域多层连接业务的第三业务接口点标识，以及第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息；以及
    根据单域多层连接业务建立请求建立单域多层连接业务。
  9. 根据权利要求8所述的多域多层连接业务建立方法，其中，相同网络层的第三配置信息相同。
  10. 根据权利要求8所述的多域多层连接业务建立方法，其中，所述单域多层连接业务建立请求包括与所述第三业务接口点对应的第三连接业务端点；以及
    所述第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息在所述第三连接业务端点中携带。
  11. 一种多域多层连接业务建立装置，包括：
    第一接收模块，设置为接收到多域多层连接业务建立请求；其中，所述多域多层连接业务建立请求用于请求在第一控制域的第一业务接口点和第二控制域的第二业务接口点之间建立多域多层连接业务，且所述多域多层连接业务建立请求携带第一业务接口点标识、所述第一业务接口点的两个或两个以上网络层协议的第一配置信息、第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息，且相同网络层的第一配置信息和第二配置信息相同；以及
    第一建立模块，设置为根据多域多层连接业务建立请求建立多域多层连接业务。
  12. 根据权利要求11所述的多域多层连接业务建立装置，其中，相同网络层的第一配置信息和第二配置信息相同。
  13. 根据权利要求11所述的多域多层连接业务建立装置，其中，所述多域多层连接业务建立请求包括与所述第一业务接口点对应的第一连接业务端点以及与所述第二业务接口点对应的第二连接业务端点；
    所述第一业务接口点标识和所述第一业务接口点的两个或两个以上网络层协议的第一配置信息在所述第一连接业务端点中携带；以及
    所述第二业务接口点标识和所述第二业务接口点的两个或两个以上网络层协议的第二配置信息在所述第二连接业务端点中携带。
  14. 根据权利要求11～13任一项所述的多域多层连接业务建立方法，其中，所述第一建立模块设置为：
    将所述多域多层连接业务建立请求拆分成两个或两个以上单域多层连接业务建立请求，将单域多层连接业务建立请求发送给对应的单域控制器，以使单域控制器实现单域多层连接业务的建立，从而实现多域多层连接业务的建立；
    其中，所述单域多层连接业务建立请求用于请求在对应的控制域建立单域多层连接业务，且所述单域多层连接业务建立请求携带单域多层连接业务的第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息。
  15. 根据权利要求14所述的多域多层连接业务建立装置，其中，对于相同网络层，所述第一配置信息、所述第二配置信息和第三配置信息相同。
  16. 根据权利要求14所述的多域多层连接业务建立装置，其中，所述单域多层连接业务建立请求包括与所述第三业务接口点对应的第三连接业务端点；以及
    所述第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息在所述第三连接业务端点中携带。
  17. 根据权利要求11～13任一项所述的多域多层连接业务建立装置，其中，所述第一建立模块设置为：
    根据所述多域多层连接业务建立请求计算多域路径；
    根据所述多域路径将所述多域多层连接业务拆分成两个或两个以上单域多层连接业务；以及
    对于每一个所述单域多层连接业务，根据所述第一配置信息或所述第二配置信息建立单域多层连接业务。
  18. 一种多域多层连接业务建立装置，包括：
    第二接收模块，设置为接收到单域多层连接业务建立请求；其中，所述单域多层连接业务建立请求用于请求在对应的控制域建立单域多层连接业务，所述单域多层连接业务建立请求携带单域多层连接业务的第三业务接口点标识，以及第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息，且相同网络层的第三配置信息相同；以及
    第二建立模块，设置为根据单域多层连接业务建立请求建立单域多层连接业务。
  19. 根据权利要求18所述的多域多层连接业务建立装置，其中，相同网络层的第三配置信息相同。
  20. 根据权利要求18所述的多域多层连接业务建立装置，其中，所述单域多层连接业务建立请求包括与所述第三业务接口点对应的第三连接业务端点； 以及
    所述第三业务接口点标识，以及所述第三业务接口点的两个或两个以上网络层协议的第三配置信息或域间互通链路所在的网络层的网络层协议的第三配置信息在所述第三连接业务端点中携带。
  21. 一种多域控制器，包括第一处理器和第一计算机可读存储介质，所述第一计算机可读存储介质中存储有第一指令，其中，当所述第一指令被所述处理器执行时，实现如权利要求1～7任一项所述的多域多层连接业务建立方法。
  22. 一种单域控制器，包括第二处理器和第二计算机可读存储介质，所述第二计算机可读存储介质中存储有第二指令，其中，当所述第二指令被所述处理器执行时，实现如权利要求8～10任一项所述的多域多层连接业务建立方法。
  23. 一种计算机可读存储介质，存储有计算机程序，其中，所述计算机程序被处理器执行时实现如权利要求1～7任一项所述的多域多层连接业务建立方法的步骤。
  24. 一种计算机可读存储介质，存储有计算机程序，其中，所述计算机程序被处理器执行时实现如权利要求8～10任一项所述的多域多层连接业务建立方法的步骤。
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