CN112187489B - Network management system and method based on software defined network - Google Patents
Network management system and method based on software defined network Download PDFInfo
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- CN112187489B CN112187489B CN201910584851.8A CN201910584851A CN112187489B CN 112187489 B CN112187489 B CN 112187489B CN 201910584851 A CN201910584851 A CN 201910584851A CN 112187489 B CN112187489 B CN 112187489B
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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
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5041—Network service management, e.g. ensuring proper service fulfilment according to agreements characterised by the time relationship between creation and deployment of a service
- H04L41/5051—Service on demand, e.g. definition and deployment of services in real time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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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
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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
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- 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
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
Abstract
The embodiment of the invention relates to the technical field of networks and discloses a network management system and method based on a software defined network. Wherein the system comprises: an application layer for receiving a service order; the control layer is connected with the application layer and used for generating a service control instruction according to the service order; an infrastructure layer comprising: the cloud network system comprises a network unit, a cloud network relay and a cloud resource pool, wherein the network unit, the cloud network relay and the cloud resource pool are respectively connected with the management and control layer, the network unit is used for connecting user equipment, the network unit, the cloud network relay and the cloud resource pool are sequentially connected, and the network unit, the cloud network relay and the cloud resource pool are used for completing the opening of a cloud private line of the user equipment according to the service control instruction. Through the mode, the cloud private line opening method and device can conveniently realize opening of the cloud private line of the user equipment.
Description
Technical Field
The embodiment of the invention relates to the technical field of networks, in particular to a network management system and method based on a software defined network.
Background
A software defined network (Software Defined Network, SDN) is a new network architecture that is mainly characterized by control and forwarding separation, network open license programming, and software and hardware separation. The SDN adopts a mode of centralized management and centralized control, the centralized controller of the SDN is a real-time feedback system, the control system can collect the real-time state of the network, and the system is adjusted in real time according to the state, so that the system is in a working state. And, the SDN has system real-time status data (including real-time topology data, real-time routing data, real-time statistical information, etc.), thus according to user's demand and tactics, and combine the real-time status data of network, finish the calculation and adjustment of user's business/route.
SDN enables traditional communication network equipment to be released from exclusive hardware binding, develops in the direction of adding customized software based on a general hardware platform, and achieves network function virtualization, network management simplification and network deployment automation through an open programming interface, so that equipment cost, labor cost and time are greatly saved compared with traditional network function implementation and engineering implementation.
However, in the prior art, the network management system based on the SDN has the following disadvantages:
1) The connection of various types of networks to the cloud resource pool is complex, and the construction cost is high;
2) The cloud private line is basically opened manually in a segmented mode, the opening time is long, and the service flow is complex;
3) And the tenant rapid virtual private cloud intercommunication cannot be realized among the cloud resources.
Disclosure of Invention
In view of the foregoing, embodiments of the present invention provide a network management system and method based on a software defined network, which overcomes or at least partially solves the foregoing problems.
According to an aspect of an embodiment of the present invention, there is provided a network management system based on a software defined network, the system including: an application layer for receiving a service order; the control layer is connected with the application layer and used for generating a service control instruction according to the service order; an infrastructure layer comprising: the cloud network system comprises a network unit, a cloud network relay and a cloud resource pool, wherein the network unit, the cloud network relay and the cloud resource pool are respectively connected with the management and control layer, the network unit is used for connecting user equipment, the network unit, the cloud network relay and the cloud resource pool are sequentially connected, and the network unit, the cloud network relay and the cloud resource pool are used for completing the opening of a cloud private line of the user equipment according to the service control instruction.
In an optional manner, the cloud network relay comprises a network end router and a cloud router, one end of the network end router is connected with the network unit, the other end of the network end router is connected with one end of the cloud router, and the other end of the cloud router is connected with the cloud resource pool.
In an alternative manner, the number of the network units is a plurality, and each network unit is respectively connected with the network end router.
In an optional manner, the number of the cloud routers is several, and each cloud router is connected to the network end router respectively.
In an optional manner, the number of the cloud resource pools is a plurality of, the number of the cloud routers is equal to the number of the cloud resource pools, and each cloud resource pool is correspondingly connected with each cloud router.
In an alternative manner, the network element communicates with the network end router through a VLAN; and the cloud router is communicated with the cloud resource pool through a VLAN.
In an optional manner, the cloud resource pool is provided with a cloud gateway, and the cloud gateway is connected with the cloud router.
In an alternative mode, the network end router and the cloud end router are networked by adopting an MPLS-L3 VPN mode.
In an optional manner, the management and control layer includes a cloud management server, and the cloud management server is respectively connected to the application layer and the cloud resource pool.
According to another aspect of the embodiments of the present invention, there is provided a network management method based on a software defined network, applied to a network management system based on a software defined network as described above, the method including: the application layer receives the service order; the control layer generates a service control instruction according to the service order; the network unit, the cloud network relay and the cloud resource pool finish the opening of the cloud private line of the user equipment according to the service control instruction; the network unit, the cloud network relay and the cloud resource pool are respectively connected with the control layer, the network unit is used for connecting the user equipment, and the network unit, the cloud network relay and the cloud resource pool are sequentially connected.
According to another aspect of an embodiment of the present invention, there is provided a server including: the device comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete communication with each other through the communication bus;
the memory is configured to store at least one executable instruction that causes the processor to perform operations of the software defined network-based network management method described above.
According to another aspect of embodiments of the present invention, there is provided a computer storage medium having stored therein at least one executable instruction for causing a processor to perform the network management method based on a software defined network as described above.
According to the embodiment of the invention, the application layer receives the service order, the management and control layer generates the service control instruction according to the service order, the infrastructure layer completes the opening of the cloud private line of the user equipment according to the service control instruction, the opening of the cloud private line of the user equipment can be conveniently realized, and the cloud network relay is arranged on the infrastructure layer so as to connect the network unit and the cloud resource pool through the cloud network relay, so that the connection from the network to the cloud resource pool is simplified.
The foregoing description is only an overview of the technical solutions of the embodiments of the present invention, and may be implemented according to the content of the specification, so that the technical means of the embodiments of the present invention can be more clearly understood, and the following specific embodiments of the present invention are given for clarity and understanding.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 is a schematic structural diagram of a network management system based on a software defined network according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an interface of a network management system based on a software defined network according to an embodiment of the present invention;
fig. 3 is a schematic routing diagram of a network management system based on a software defined network according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating a network management system based on a software defined network according to another embodiment of the present invention;
FIG. 5 is a process flow diagram of a method for software defined network-based network management provided by an embodiment of the present invention;
fig. 6 shows a schematic structural diagram of a server according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Fig. 1 is a schematic structural diagram of a network management system based on a software defined network according to an embodiment of the present invention. The network management system 100 based on a software defined network is an operation environment of the network management method based on the software defined network according to the embodiment of the present invention. As shown in fig. 1, the network management system 100 includes: an application layer 110, a management layer 120, and an infrastructure layer 130.
The application layer 110 is connected to the control layer 120, the control layer 120 is connected to the infrastructure layer 130, and the infrastructure layer is connected to the ue 200. Wherein the infrastructure layer 130 comprises: the network unit 131, the cloud network relay 132 and the cloud resource pool 133 are respectively connected with the control layer 120, the network unit 131, the cloud network relay 132 and the cloud resource pool 133 are respectively connected with the user equipment 200, and the network unit 131, the cloud network relay 132 and the cloud resource pool 133 are sequentially connected. The application layer 110 is configured to receive a service order, the control layer 120 is configured to generate a service control instruction according to the service order, and the network unit 131, the cloud network relay 132, and the cloud resource pool 133 are configured to complete opening of a cloud private line of the user equipment according to the service control instruction. Through the method, the embodiment of the invention can conveniently realize the opening of the cloud private line of the user equipment.
The application layer 110 may be provided on a server for receiving user requirements via a software application interface to receive a service order. For example, the user remotely operates the application layer 110 through the client to select a service that needs to be customized, and forms and outputs a service order corresponding to the service. The service order may include provisioning information of the cloud private line, for example, provisioning the cloud private line between the user device a and the cloud resource pool a.
The management layer 120 may be disposed on a server, and the server where the management layer 120 is located is not the same server as the server where the application layer 110 is located. The management layer 120 is communicatively connected to the service layer 110, and may employ a northbound restul interface. The management and control layer 120 is configured to receive the service order sent by the application layer 110, generate a service control instruction according to the service order, and send the service control instruction to the infrastructure layer 130. Wherein, according to the service order, a service control instruction is generated, and the specific implementation manner can be as follows: analyzing the service order to obtain an analysis result, acquiring corresponding service parameter information according to the analysis result, and generating a service control instruction containing the service parameter information according to the service parameter information.
Wherein, the management layer 120 includes: a network management server 121, a cloud network relay server 122, and a cloud management server 123. The network management server 121 may be a Packet transport network (Packet TransportNetwork, PTN) network manager, where the network management server 121 is respectively connected to the application layer 110 and the network element 131, and the network management server 121 is configured to generate a service control instruction of the network element 131 according to a service order. The cloud network relay server 122 is respectively connected to the application layer 110 and the cloud network relay 132, and the cloud network relay server 122 is configured to generate a service control instruction of the cloud network relay 132 according to the service order. The cloud management server 123 may be a third generation cloud management server, where the cloud management server 123 is connected to the application layer 110 and the cloud resource pool 133, and the cloud management server 123 is configured to generate a service control instruction of the cloud resource pool 133 according to a service order. The network management server 121, the cloud network relay server 122, and the cloud management server 123 issue control instructions through the northbound interface.
Wherein the management layer 120 may further comprise an orchestration center 124. Orchestration center 124 is connected to application layer 110, network management server 121, cloud network relay server 122, and cloud management server 123, respectively. Orchestration center 124 may be located on a server, and a northbound restul interface may be employed between orchestration center 124 and application layer 110. The orchestration center 124 is configured to receive the service orders sent by the application layer 110, orchestrate the service orders according to the service orders, and send the service orders to corresponding servers in the infrastructure layer 130 respectively, so as to generate corresponding service control instructions.
The infrastructure layer 130 is communicatively connected to the management and control layer 120, and may employ a southbound netcon standard interface between the network management server 121 and the network element 131, between the cloud network relay server 122 and the cloud network relay 132, and between the cloud management server 123 and the cloud resource pool 133, which supports protocols such as Cisco, juniper, ALU, IETF YANG, and the like.
Specifically, the infrastructure layer 130 includes a network element 131, a cloud network relay 132, and a cloud resource pool 133 connected in sequence, and existing conventional standard protocols are supported between the network element 131 and the cloud network relay 132, and between the cloud network relay 132 and the cloud resource pool 133. The network unit 131 is configured to connect the user equipment 200, so that when the cloud private line is opened, the user equipment 200 communicates with the cloud resource pool 133. In this embodiment, when the network unit 131, the cloud network relay 132 and the cloud resource pool 133 respectively receive service control instructions including service parameter information sent by the network management server 121, the cloud network relay server 122 and the cloud management server 123, the network unit 131, the cloud network relay 132 and the cloud resource pool 133 respectively configure according to the service parameter information in the service control instructions, and establish a communication channel, so that the user equipment 200 communicates with the cloud resource pool 133, so as to complete the opening of a cloud dedicated line of the user equipment 200.
The network element 131 may include: an access network 1311 and a metropolitan area network 1312. One end of the access network 1311 is connected to the user equipment 200, the other end of the access network 1311 is connected to one end of the metropolitan area network 1312, and the other end of the metropolitan area network 1312 is connected to the cloud network relay 132. The network management server 121 is connected to an access network 1311 and a metropolitan area network 1312, respectively.
The access network 1311 includes, among other things, a multi-port optical network unit (Optical Network Unit, ONU) and an optical line terminal (Optical Line Terminal, OLT). The ONUs are communicatively coupled to Customer Edge (CE) devices of the Customer equipment 200, the ONUs are communicatively coupled to the OLT, and the OLT is communicatively coupled to the metropolitan area network 1312. Wherein the CE may be a router or a switch.
The metropolitan area network 1312 may be an intra-provincial network, including a local city network, a trunk network, and the like. The metropolitan area network 1312 includes a Service Router (SR) and a Provider Edge Router (PE). The SR is communicatively connected to the PE and is used to connect to the OLT in the access network 1311, and the PE is used to connect to the cloud network relay 132.
Cloud network relay 132 may include: the network end router 1321 and the cloud router 1322. One end of the network-side router 1321 is connected to the PE in the network unit 1311, the other end of the network-side router 1321 is connected to one end of the cloud-side router 1322, and the other end of the cloud-side router 1322 is connected to the cloud resource pool 133.
Wherein, the network end router 1321 and the cloud end router 1322 are networked by adopting an MPLS-L3 VPN mode.
The network unit 131 communicates with the network-side router 1321 through a virtual local area network, and the cloud router 1322 communicates with the cloud resource pool 133 through the virtual local area network. The virtual local area network (Virtual Local Area Network, VLAN) is a set of logical devices and users, which are not limited by physical locations, and may be organized according to factors such as functions, departments, and applications, so as to implement communication between each other.
The cloud resource pool 133 may be provided on a server and controlled and managed by the cloud management server 123. The cloud resource pool 133 may be provided with a cloud Gateway (GW) 1331, a branching layer device, and a Virtual Machine (VM). The cloud gateway 1331 is in communication connection with the cloud router 1322, and the cloud gateway 1331 is used for accessing a network; the branch layer device is in communication connection with the cloud gateway 1331, and is used for converging data in the cloud gateway 1331 and providing the data to the virtual machine; the virtual machine is in communication connection with the branching layer device and is used for receiving data transmitted by the branching layer device.
In some embodiments, the carrier edge routers may include a primary carrier edge router and a backup carrier edge router, and accordingly, the router 1321 may include a primary network end router and a backup network end router (e.g., network PE-01 and network PE-02 in fig. 1), the cloud router 1322 may include a primary cloud router and a backup cloud router (e.g., cloud PE-03 and cloud PE-04 in fig. 1), and the cloud gateway 1331 may include a primary cloud gateway and a backup cloud gateway (e.g., GW-01 and GW-02 in fig. 1). The main equipment is connected with each other, the standby equipment is connected with each other, the main network end router and the standby network end router are connected with each other, and the main cloud router and the standby cloud router are connected with each other. When the primary device line is damaged or otherwise unavailable, the backup device line is enabled.
In this embodiment, the forwarding plane uses a mature interface specification, which meets the standards IEEE, IETF, ITU-T, MEF. As shown in fig. 2, the access network 1311 adopts a PON network and adopts a Q-in-Q encapsulation mode for encapsulation; in the metropolitan area network 1312, a Q-in-Q encapsulation mode is adopted between the SR and the OLT, an MPLS L3VPN mode is adopted between the SR and the PE for networking, a Q-in-Q mode is adopted between the PE and a network end router 1321 for butt joint, and an Option A mode is adopted for VPN intercommunication; in the cloud network relay 132, a network end router 1321 is in butt joint with a PE of a metropolitan area network 1312 in a Q-in-Q mode, an MPLS L3VPN mode is adopted between the network end router 1321 and a cloud router 1322 for networking, and the cloud router 1322 and the cloud gateway 1331 are in butt joint through VLAN subinterfaces; in the cloud resource pool 133, the cloud gateways 1331 are in butt joint through a VLAN sub-interface, and the VLAN extends to the vruter and accesses the VPC.
In this embodiment, the control layer adopts a mature routing specification, and the standards conforming to IETF and MEF can refer to the routing configuration shown in fig. 3 specifically.
According to the network management system 100 based on the software-defined network architecture, a service order is received through the application layer 110, the management and control layer 120 generates a service control instruction according to the service order, the infrastructure layer 130 completes the opening of the cloud private line of the user equipment 200 according to the service control instruction, the opening of the cloud private line of the user equipment can be conveniently realized, and the cloud network relay 132 is arranged in the infrastructure layer 130 so as to connect the network unit 131 and the cloud resource pool through the cloud network relay 132, so that the connection of the network to the cloud resource pool is simplified.
In some other embodiments, the user may make the cloud network connection in a variety of ways. As shown in fig. 4, the number of network units 131 is several, and each network unit 131 is connected to a network router 1321. Specifically, an overlay network may be used to connect between the access network 1311 and the metropolitan area network 1312, or a PTN network may be used to connect between the access network 1311 and the metropolitan area network 1312. The metropolitan area network 1312 of each network element 131 is connected to a network-side router 1321.
In some other embodiments, the user may connect through multiple clouds and cloud networks. The number of the cloud routers 1322 is several, and each cloud router 1322 is connected to the network router 1321 respectively. The number of cloud resource pools 133 is also a plurality, the number of cloud routers 1322 is equal to the number of cloud resource pools 133, and each cloud resource pool 133 is correspondingly connected with each cloud router 1322. As shown in fig. 2, there are two groups of cloud routers 1322, and the two groups of cloud routers 1322 are respectively connected with the network end router 1321; the number of the cloud resource pools 133 is two, and the two cloud resource pools 133 are respectively and correspondingly connected with the two cloud routers 1322.
In this embodiment, the network router 1321 terminates multiple private line types, so as to reduce the connection complexity of the network side. For example, the number of cloud resource pools 133 is 2, the type of the access network element 131 is 3, and in the case of the network-less router 1321, the connection line from the metropolitan area network 1312 to the cloud router 1322 is 3×2=12, that is, the connection line from the metropolitan area network 1312 to the cloud resource pools 133 is 12; in the case where the network-side router 1321 is provided, the connection line from the metropolitan area network 1312 to the cloud router 1322 is 3×2+4=10, that is, the connection line from the metropolitan area network 1312 to the cloud resource pool 133 is 10. Therefore, by providing the network-side router 1321, connection lines from the metropolitan area network 1312 to the cloud resource pool 133 are reduced, thereby reducing connection complexity at the network side.
In this embodiment, the cloud router 1322 is used as a dedicated access and interconnection outlet of the cloud resource pools, the same virtual private cloud (Virtual Private Cloud, VPC) on the cloud gateway 1331 of each cloud resource pool 133 maintains the same virtual routing forwarding (Virtual Routing Forwarding, VRF), and the cloud router 13222 maintains the same mutual access policy, so that interconnection and VPC intercommunication between the cloud resource pools are realized.
According to the network management system 100 based on the software-defined network architecture, a service order is received through the application layer 110, the management and control layer 120 generates a service control instruction according to the service order, the infrastructure layer 130 completes the opening of the cloud private line of the user equipment 200 according to the service control instruction, the opening of the cloud private line of the user equipment can be conveniently realized, and the cloud network relay 132 is arranged on the infrastructure layer 130 so as to connect the network unit 131 and the cloud resource pool through the cloud network relay 132, so that the connection from the network to the cloud resource pool is simplified, and the connection complexity of the network side is reduced.
Fig. 5 is a process flow diagram of a network management method based on a software defined network according to an embodiment of the present invention. The software defined network-based network management method is applied to the software defined network-based network management system 100 in the above-described embodiment. As shown in fig. 5, the method includes:
530, completing the opening of a cloud private line of the user equipment by the network unit, the cloud network relay and the cloud resource pool according to the service control instruction;
the network unit, the cloud network relay and the cloud resource pool are respectively connected with the control layer, the network unit is used for connecting the user equipment, and the network unit, the cloud network relay and the cloud resource pool are sequentially connected.
Wherein, according to the service order, a service control instruction is generated, and the specific implementation manner can be as follows: analyzing the service order to obtain an analysis result, acquiring corresponding service parameter information according to the analysis result, and generating a service control instruction containing the service parameter information according to the service parameter information.
The network unit, the cloud network relay and the cloud resource pool finish the opening of the cloud private line of the user equipment according to the service control instruction, and the method comprises the following steps: when the network unit, the cloud network relay and the cloud resource pool respectively receive service control instructions which are sent by the network management server, the cloud network relay server and the cloud management server and contain service parameter information, the network unit, the cloud network relay and the cloud resource pool respectively configure according to the service parameter information in the service control instructions, and a communication channel is established, so that the user equipment is communicated with the cloud resource pool, and the opening of a cloud dedicated line of the user equipment is completed.
It should be noted that, the network management method based on the software defined network provided by the embodiment of the present invention is a method that can be executed by the network management system based on the software defined network, and all embodiments of the network management system based on the software defined network are applicable to the method, and the same or similar beneficial effects can be achieved.
According to the embodiment of the invention, the application layer receives the service order, the management and control layer generates the service control instruction according to the service order, the infrastructure layer completes the opening of the cloud private line of the user equipment according to the service control instruction, the opening of the cloud private line of the user equipment can be conveniently realized, and the cloud network relay is arranged on the infrastructure layer so as to connect the network unit and the cloud resource pool through the cloud network relay, so that the connection from the network to the cloud resource pool is simplified.
An embodiment of the present invention provides a computer storage medium, where at least one executable instruction is stored, where the executable instruction causes a processor to execute a network management method based on a software defined network in any of the foregoing method embodiments.
According to the embodiment of the invention, the application layer receives the service order, the management and control layer generates the service control instruction according to the service order, the infrastructure layer completes the opening of the cloud private line of the user equipment according to the service control instruction, the opening of the cloud private line of the user equipment can be conveniently realized, and the cloud network relay is arranged on the infrastructure layer so as to connect the network list and the cloud resource pool through the cloud network relay, so that the connection of the network to the cloud resource pool is simplified.
Embodiments of the present invention provide a computer program product comprising a computer program stored on a computer storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the method of network management based on a software defined network in any of the method embodiments described above.
According to the embodiment of the invention, the application layer receives the service order, the management and control layer generates the service control instruction according to the service order, the infrastructure layer completes the opening of the cloud private line of the user equipment according to the service control instruction, the opening of the cloud private line of the user equipment can be conveniently realized, and the cloud network relay is arranged on the infrastructure layer so as to connect the network unit and the cloud resource pool through the cloud network relay, so that the connection from the network to the cloud resource pool is simplified.
Fig. 6 shows a schematic structural diagram of a server according to an embodiment of the present invention, which is not limited to the specific implementation of the server according to the embodiment of the present invention.
As shown in fig. 6, the server may include: a processor 602, a communication interface (Communications Interface), a memory 606, and a communication bus 608.
Wherein: processor 602, communication interface 604, and memory 606 perform communication with each other via communication bus 608. Communication interface 604 is used to communicate with network elements of other devices, such as clients or other servers. The processor 602 is configured to execute the program 610, and may specifically perform a network management method based on a software defined network architecture in any of the above method embodiments.
In particular, program 610 may include program code including computer-operating instructions.
The processor 602 may be a central processing unit CPU or a specific integrated circuit ASIC (Application Specific Integrated Circuit) or one or more integrated circuits configured to implement embodiments of the present invention. The one or more processors included by the computing device may be the same type of processor, such as one or more CPUs; but may also be different types of processors such as one or more CPUs and one or more ASICs.
A memory 606 for storing a program 610. The memory 606 may comprise high-speed RAM memory or may further comprise non-volatile memory (non-volatile memory), such as at least one disk memory.
According to the embodiment of the invention, the application layer receives the service order, the management and control layer generates the service control instruction according to the service order, the infrastructure layer completes the opening of the cloud private line of the user equipment according to the service control instruction, the opening of the cloud private line of the user equipment can be conveniently realized, and the cloud network relay is arranged on the infrastructure layer so as to connect the network unit and the cloud resource pool through the cloud network relay, so that the connection from the network to the cloud resource pool is simplified.
The algorithms or displays presented herein are not inherently related to any particular computer, virtual system, or other apparatus. Various general-purpose systems may also be used with the teachings herein. The required structure for a construction of such a system is apparent from the description above. In addition, embodiments of the present invention are not directed to any particular programming language. It will be appreciated that the teachings of the present invention described herein may be implemented in a variety of programming languages, and the above description of specific languages is provided for disclosure of enablement and best mode of the present invention.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the above description of exemplary embodiments of the invention, various features of the embodiments of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be construed as reflecting the intention that: i.e., the claimed invention requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the apparatus of the embodiments may be adaptively changed and disposed in one or more apparatuses different from the embodiments. The modules or units or components of the embodiments may be combined into one module or unit or component and, furthermore, they may be divided into a plurality of sub-modules or sub-units or sub-components. Any combination of all features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or units of any method or apparatus so disclosed, may be used in combination, except insofar as at least some of such features and/or processes or units are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments can be used in any combination.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order. These words may be interpreted as names. The steps in the above embodiments should not be construed as limiting the order of execution unless specifically stated.
Claims (8)
1. A network management system based on a software defined network, the system comprising:
an application layer for receiving a service order;
the control layer is connected with the application layer and used for generating a service control instruction according to the service order;
an infrastructure layer comprising: the network unit, the cloud network relay and the cloud resource pool are respectively connected with the management and control layer, the network unit is used for connecting user equipment, the network unit, the cloud network relay and the cloud resource pool are sequentially connected, and the network unit, the cloud network relay and the cloud resource pool are used for completing the opening of a cloud private line of the user equipment according to the service control instruction; the cloud network relay comprises a network end router and a cloud router, one end of the network end router is connected with the network unit, the other end of the network end router is connected with one end of the cloud router, and the other end of the cloud router is connected with the cloud resource pool; the network unit is communicated with the network end router through a first virtual local area network, and the cloud router is communicated with the cloud resource pool through a second virtual local area network; the number of the cloud resource pools is a plurality of, the number of the cloud routers is equal to the number of the cloud resource pools, and each cloud resource pool is correspondingly connected with each cloud router; the cloud resource pool is provided with a cloud gateway, branch layer equipment and a virtual machine, the cloud gateway is in communication connection with a cloud router, the virtual machine is in communication connection with the branch layer equipment, the same virtual private cloud on the cloud gateway of each cloud resource pool maintains the same virtual route forwarding, and the same maintenance mutual access strategy is achieved through the corresponding cloud router;
the network end router comprises a main network end router and a standby network end router, the cloud router comprises a main cloud router and a standby cloud router, the cloud gateway comprises a main cloud gateway and a standby cloud gateway, all main devices are connected with each other, all standby devices are connected with each other, the main network end router is connected with the standby network end router, and the main cloud router is connected with the standby cloud router.
2. The system of claim 1, wherein the number of network elements is a plurality, each network element being connected to the network router.
3. The system of claim 2, wherein the number of cloud routers is several, and each cloud router is connected to the network router respectively.
4. The system of claim 1, wherein the system further comprises a controller configured to control the controller,
the network unit is communicated with the network end router through a VLAN;
and the cloud router is communicated with the cloud resource pool through a VLAN.
5. The system of claim 4, wherein the cloud resource pool is provided with a cloud gateway, the cloud gateway being connected to the cloud router.
6. The system of claim 1, wherein the network end router and the cloud end router are networked by adopting an MPLS-L3 VPN mode.
7. The system of any one of claims 1 to 6, wherein the management layer comprises a cloud management server that connects the application layer and the cloud resource pool, respectively.
8. A method of software defined network based network management as claimed in any one of claims 1 to 7, the method comprising:
the application layer receives the service order;
the control layer generates a service control instruction according to the service order;
the network unit, the cloud network relay and the cloud resource pool finish the opening of the cloud private line of the user equipment according to the service control instruction;
the network unit, the cloud network relay and the cloud resource pool are respectively connected with the control layer, the network unit is used for connecting the user equipment, and the network unit, the cloud network relay and the cloud resource pool are sequentially connected;
the cloud network relay comprises a network end router and a cloud router, one end of the network end router is connected with the network unit, the other end of the network end router is connected with one end of the cloud router, and the other end of the cloud router is connected with the cloud resource pool; the network unit is communicated with the network end router through a first virtual local area network, and the cloud router is communicated with the cloud resource pool through a second virtual local area network; the number of the cloud resource pools is a plurality of, the number of the cloud routers is equal to the number of the cloud resource pools, and each cloud resource pool is correspondingly connected with each cloud router; the cloud resource pool is provided with a cloud gateway, branch layer equipment and a virtual machine, the cloud gateway is in communication connection with a cloud router, the virtual machine is in communication connection with the branch layer equipment, the same virtual private cloud on the cloud gateway of each cloud resource pool maintains the same virtual route forwarding, and the same maintenance mutual access strategy is achieved through the corresponding cloud router; the network end router comprises a main network end router and a standby network end router, the cloud router comprises a main cloud router and a standby cloud router, the cloud gateway comprises a main cloud gateway and a standby cloud gateway, all main devices are connected with each other, all standby devices are connected with each other, the main network end router is connected with the standby network end router, and the main cloud router is connected with the standby cloud router.
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