WO2023035777A1

WO2023035777A1 - Network configuration method, proxy component, controller, electronic device and storage medium

Info

Publication number: WO2023035777A1
Application number: PCT/CN2022/106306
Authority: WO
Inventors: 张建春
Original assignee: 中兴通讯股份有限公司
Priority date: 2021-09-13
Filing date: 2022-07-18
Publication date: 2023-03-16
Also published as: CN115811465A

Abstract

Embodiments of the present disclosure relate to the technical field of cloud networks, and relate in particular to a network configuration method, a proxy component, a controller, an electronic device, and a storage medium. The network configuration method comprises: receiving a virtual machine instantiation request and virtual interface data, the virtual interface data comprising a virtual interface identifier; creating an instantiated virtual machine according to the instantiation request; according to the virtual interface data, configuring a virtual network card for the instantiated virtual machine; according to a connection condition, configuring a connection relationship between the virtual network card and a port of a virtual switch; writing the virtual interface identifier into a virtual switch database according to the connection relationship; configuring the virtual switch database as virtual switch port data of a storage port; and obtaining the virtual switch port data from the virtual switch database and sending same to an SDN controller by means of a cloud control platform node, so that the SDN controller completes the network configuration of the virtual switch according to the virtual switch port data. The problem that virtual switch database access is unreliable is solved.

Description

Network configuration method, agent component, controller, electronic device and storage medium

technical field

Embodiments of the present disclosure relate to the technical field of cloud networks, and in particular to a network configuration method, a proxy component, a controller, electronic equipment, and a storage medium.

Background technique

In order to realize business requirements such as cloud-network linkage and network service automation, large-scale data centers mostly adopt the control plane architecture of cloud platform + software-defined network (Software Define Network, referred to as SDN) controller. The cloud platform provides a programming interface for network services to the application layer, accepts network service requests from the application layer, and realizes the scheduling and configuration of network resources through the SDN controller to achieve cloud-network linkage and network service automation. In the data center network, virtual machines on computing nodes are connected to virtual switches or physical switches. SDN controllers manage virtual switches or physical switches through network protocols such as OpenFlow and Netconf, and configure network services for virtual switches on computing nodes.

However, before the existing SDN controller completes the configuration of the virtual switch network, it needs to access the virtual switch database to obtain the virtual interface identifier, and the virtual switch database is distributed on the computing nodes of the data center network, and the number of computing nodes in the data center network Many, if there is an abnormality in the network environment of a small number of computing nodes or the firewall policy configuration is incorrect, the SDN controller will not be able to access the virtual switch database, which will cause the virtual switch network configuration to fail.

Contents of the invention

Embodiments of the present disclosure provide a network configuration method, a proxy component, a controller, an electronic device, and a storage medium. Designed to improve the reliability of virtual switch database access.

An embodiment of the present disclosure provides a network configuration method, which is applied to a proxy component of a computing node. The computing node also includes a virtual switch and a virtual switch database, including: receiving a virtual machine instantiation request and a virtual machine instantiation request sent by a cloud control platform node. Interface data, wherein the virtual interface data includes a virtual interface identifier; create an instantiated virtual machine according to the virtual machine instantiation request, and configure a virtual network card for the instantiated virtual machine according to the virtual interface data; according to a preset Configure the connection relationship between the virtual network card and the port of the virtual switch according to the connection condition, and write the virtual interface identifier into the virtual switch database according to the connection relationship, wherein the virtual switch database is set to store The virtual switch port data of the port; obtain the virtual switch port data corresponding to the port from the virtual switch database, and send it to the software-defined network SDN controller through the cloud control platform node, so that the SDN The controller completes the network configuration of the virtual switch according to the port data of the virtual switch.

The embodiment of the present disclosure also provides a network configuration method, which is applied on the SDN controller, including: receiving the virtual switch port data sent by the computing service agent component through the cloud control platform node, wherein the virtual switch port data includes the virtual interface identifier , a virtual switch identifier and a virtual switch port identifier; configure a forwarding entry of the virtual switch according to the virtual switch port data, and access the virtual switch target port corresponding to the virtual switch port identifier to the corresponding virtual interface identifier The virtual network is configured to complete the network configuration of the virtual switch.

An embodiment of the present disclosure also provides a proxy component, including: a receiving module configured to receive a virtual machine instantiation request and virtual interface data sent by a cloud control platform node, wherein the virtual interface data includes a virtual interface identifier; an instantiation module , set to create an instantiated virtual machine according to the instantiation request of the virtual machine, and configure a virtual network card for the instantiated virtual machine according to the virtual interface data; the connection module configures the virtual network card according to preset connection conditions and the port connection relationship of the virtual switch, and write the virtual interface identifier into the virtual switch database according to the connection relationship, wherein the virtual switch database is set to store the virtual switch port data of the port The sending module is configured to obtain the virtual switch port data corresponding to the port from the virtual switch database, and send it to the software-defined network SDN controller through the cloud control platform node, so that the SDN control The controller completes the network configuration of the virtual switch according to the port data of the virtual switch.

The embodiment of the present disclosure also provides a controller, including: a receiving module, which receives the virtual switch port data sent by the computing service agent component through the cloud control platform node, wherein the virtual switch port data includes the virtual interface identifier, the virtual switch identifier and A virtual switch port identifier; a configuration module configured to configure a forwarding table item of a virtual switch according to the virtual switch port data, and access a virtual switch target port corresponding to the virtual switch port identifier to a virtual network corresponding to the virtual interface identifier to complete the network configuration of the virtual switch.

An embodiment of the present disclosure also provides an electronic device, including: at least one processor; and a memory connected in communication with the at least one processor; wherein, the memory stores information that can be executed by the at least one processor. Instructions, the instructions are executed by the at least one processor, so that the at least one processor can execute the above network configuration method.

An embodiment of the present disclosure also provides a computer-readable storage medium storing a computer program, and implementing the above configuration method when the computer program is executed by a processor.

The network configuration method proposed in this disclosure is applied to the proxy component of the computing node to receive the virtual machine instantiation request and virtual interface data sent by the cloud control platform node, wherein the virtual interface data includes the virtual interface identifier; according to the virtual machine instantiation request Create an instantiated virtual machine, and configure a virtual network card for the instantiated virtual machine according to the virtual interface data; configure the connection relationship between the virtual network card and the port of the virtual switch according to the preset connection conditions, and write the virtual interface identifier into the virtual switch according to the connection relationship In the database, wherein, the virtual switch database is set to store the virtual switch port data of the port; obtain the virtual switch port data corresponding to the port from the virtual switch database, and send it to the SDN controller through the cloud control platform node, so that the SDN controller Complete the network configuration of the virtual switch according to the port data of the virtual switch. Both the proxy component and the virtual switch database are located on the computing node, and the access of the proxy component to the virtual switch database belongs to local access, thereby improving the reliability of virtual switch database access.

Description of drawings

FIG. 1 is a schematic structural diagram of an application environment of a network configuration method provided by an embodiment of the present disclosure.

FIG. 2 is a flowchart of a network configuration method provided by an embodiment of the present disclosure;

FIG. 2a is a flow chart of Step 101 of the network configuration method provided by an embodiment of the present disclosure;

FIG. 3 is a flowchart of a network configuration method provided by an embodiment of the present disclosure;

FIG. 4 is a flowchart of a network configuration method provided by an embodiment of the present disclosure;

FIG. 5 is a flowchart of a network configuration method provided by an embodiment of the present disclosure;

FIG. 6 is a flowchart of a network configuration method provided by an embodiment of the present disclosure;

FIG. 7 is a schematic diagram of a flow structure of a proxy component provided by an embodiment of the present disclosure;

FIG. 8 is a schematic structural diagram of a controller provided by an embodiment of the present disclosure;

Fig. 9 is a schematic structural diagram of an electronic device provided by an embodiment of the present disclosure.

Detailed ways

In order to make the purpose, technical solutions, and advantages of the embodiments of the present disclosure clearer, various embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. However, those skilled in the art can understand that in various embodiments of the present disclosure, many technical details are provided for readers to better understand the present disclosure. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solution claimed in the present disclosure can also be realized. The division of the following embodiments is for the convenience of description, and should not constitute any limitation to the specific implementation of the present disclosure, and the embodiments can be combined and referenced to each other on the premise of no contradiction.

This disclosure is applied in a network environment composed of cloud platform control nodes, SDN controllers, and computing nodes. The components are shown in Figure 1. The computing nodes are composed of proxy components (also called computing service proxy components), virtual switches and Composed of a virtual switch database, it mainly communicates with the cloud platform control node to complete operations such as defining virtual networks and instantiating virtual machines; the cloud platform control node is composed of computing service components and network service components, and mainly communicates with SDN controllers and computing nodes , complete operations such as processing computing node requests, creating a virtual network, and calling the northbound interface of the SDN controller to schedule network resources; the SDN controller mainly communicates with the cloud platform control node to complete the configuration of the virtual network.

An embodiment of the present disclosure relates to a network configuration method, which is applied to an agent component of a computing node. The computing node also includes a virtual switch and a virtual switch database, as shown in FIG. 2 , including:

Step 101, receiving a virtual machine instantiation request and virtual interface data sent by a cloud control platform node, wherein the virtual interface data includes a virtual interface identifier.

Specifically, the virtual machine instantiation request received by the agent component is sent by the computing service component of the cloud control platform node, and the virtual interface data is sent by the network service component of the cloud control platform node. Step 101 can be represented by The sub-steps shown are realized, specifically including:

Step 1011, when receiving the virtual machine instantiation request sent by the computing service component, send a virtual interface creation request to the network service component, so that the network service component creates a virtual interface according to the virtual interface creation request, and allocates virtual interface data to the virtual interface .

Specifically, the proxy component first receives the virtual machine instantiation request sent by the computing service component, and when the proxy component receives the virtual machine instantiation request, it sends a virtual interface creation request to the network service component in the cloud control platform node, and the network service After the component receives the virtual interface creation request, it creates a virtual interface and assigns virtual interface data such as MAC address and IP address to the created virtual interface. The format of the virtual interface data is shown in Table 1, where the virtual switch identifier and virtual switch The value of the port identifier is empty when the virtual interface is created. After the allocation of the virtual interface data is completed, the network service component returns the virtual interface data to the agent component, and at the same time sends the virtual interface data to the SDN controller.

Table 1 Format of virtual interface data

Step 1012, receiving the virtual interface data returned by the network service component.

Specifically, the proxy component receives the virtual interface data returned by the network service component in the cloud control platform node according to the virtual interface creation request.

Step 102, create an instantiated virtual machine according to the instantiation request of the virtual machine, and configure a virtual network card for the instantiated virtual machine according to the virtual interface data.

Specifically, after the proxy component receives the virtual machine instantiation request, the proxy component starts to create the instantiated virtual machine. When the instantiated virtual machine is successfully created, according to the virtual interface MAC address and virtual interface IP address in the virtual interface data, the The instantiated virtual machine is configured with a virtual network card.

Step 103, configure the connection relationship between the virtual network card and the port of the virtual switch according to the preset connection conditions, and write the virtual interface identifier into the virtual switch database according to the connection relationship, wherein the virtual switch database is set as the virtual switch port data of the storage port .

Specifically, after configuring the virtual network card for the instantiated virtual machine, it is necessary to connect the virtual network card and the port of the virtual switch on the computing node according to the preset connection conditions. After the virtual network card and the port are successfully connected, according to the two Connection relationship, write the virtual interface identifier into the virtual switch port data corresponding to the port connected to the virtual network in the virtual switch data, store the virtual switch port data of each port of the virtual switch in the virtual switch database, each virtual switch port The data all include a virtual interface identifier, a virtual switch identifier and a virtual switch port identifier; when the port of the virtual switch is not connected to the virtual network card, the virtual interface identifier in the virtual switch port data corresponding to the port of the virtual switch is empty.

Step 104, obtain the virtual switch port data corresponding to the port from the virtual switch database, and send it to the SDN controller through the cloud control platform node, so that the SDN controller completes the network configuration of the virtual switch according to the virtual switch port data.

Specifically, the proxy component obtains the virtual switch port data corresponding to the port from the virtual switch database according to the port connected to the virtual network card, and the proxy component sends the virtual switch port data to the network service component of the cloud control platform node. The component updates the virtual interface data on the network service component according to the received virtual switch port data, and sends the updated virtual interface data carrying the virtual switch port data sent by the proxy component to the SDN controller. The virtual switch port data is analyzed from the data, and the network configuration of the virtual switch is completed according to the virtual switch port data.

In this embodiment, it is applied to the proxy component of the computing node to receive the virtual machine instantiation request and virtual interface data sent by the cloud control platform node, wherein the virtual interface data includes the virtual interface identifier; the instantiation virtual machine is created according to the virtual machine instantiation request. machine, and configure the virtual network card for the instantiated virtual machine according to the virtual interface data; configure the connection relationship between the virtual network card and the port of the virtual switch according to the preset connection conditions, and write the virtual interface identifier into the virtual switch database according to the connection relationship, where , the virtual switch database is set to store the virtual switch port data of the port; obtain the virtual switch port data corresponding to the port from the virtual switch database, and send it to the SDN controller through the cloud control platform node, so that the SDN controller will The data completes the network configuration of the virtual switch. Both the proxy component and the virtual switch database are located on the computing node, and the access of the proxy component to the virtual switch database belongs to local access, thereby improving the reliability of virtual switch database access.

An embodiment of the present disclosure relates to a network configuration method, which is applied to an agent component of a computing node. The computing node also includes a virtual switch and a virtual switch database, as shown in FIG. 3 , including:

Step 201, receiving a virtual machine instantiation request and virtual interface data sent by a cloud control platform node, wherein the virtual interface data includes a virtual interface identifier.

Specifically, this step is substantially the same as step 101 in the embodiment of the present disclosure, and details are not repeated here.

Step 202, create an instantiated virtual machine according to the instantiation request of the virtual machine, and configure a virtual network card for the instantiated virtual machine according to the virtual interface data.

Specifically, this step is substantially the same as step 102 in the embodiment of the present disclosure, and details are not repeated here.

Step 203, sending a port creation request to the virtual switch, so that the virtual switch creates a port according to the port creation request.

Specifically, the proxy component sends a port creation request to the virtual switch. After the virtual switch receives the port creation request, the virtual switch needs to create a new virtual switch port according to the port creation request, and returns the creation result to the proxy component. The creation result includes Whether the creation was successful, where it was created, and so on.

Step 204, configure the connection relationship between the virtual network card and the port of the virtual switch according to the preset connection conditions, and write the virtual interface identifier into the virtual switch database according to the connection relationship, wherein the virtual switch database is set as the virtual switch port data of the storage port .

Specifically, this step is substantially the same as step 103 in the embodiment of the present disclosure, and details will not be repeated here.

Step 205, obtain the virtual switch port data corresponding to the port from the virtual switch database, and send it to the SDN controller through the cloud control platform node, so that the SDN controller completes the network configuration of the virtual switch according to the virtual switch port data.

Specifically, this step is substantially the same as step 104 in the embodiment of the present disclosure, and details are not repeated here.

In the embodiments of the present disclosure, on the basis of other embodiments, new ports can be created on the virtual switch, so that the diversity of the ports of the virtual switch can be improved.

An embodiment of the present disclosure relates to a network configuration method, which is applied to an SDN controller, as shown in FIG. 4 , including:

Step 301, receiving the virtual switch port data sent by the proxy component through the cloud control platform node, wherein the virtual switch port data includes a virtual interface identifier, a virtual switch identifier and a virtual switch port identifier.

Specifically, the virtual switch port data received by the SDN controller is sent by the network service component in the cloud control platform node, and the virtual switch port data of the network service component comes from the proxy component accessing the virtual switch database on the computing node. When the service component receives the virtual switch port data, it first fills the virtual switch port data into the virtual interface data, and then sends it to the SDN controller.

Step 302, configure the forwarding entry of the virtual switch according to the virtual switch port data, and connect the virtual switch target port corresponding to the virtual switch port ID to the virtual network corresponding to the virtual interface ID, and complete the network configuration of the virtual switch.

Specifically, after obtaining the port data of the virtual switch, the SDN controller queries the detailed data of the virtual interface, such as virtual network ID, MAC address, IP address, etc., according to the virtual interface identifier as a key value; according to the virtual switch identifier and the virtual switch port ID to configure the forwarding entry of the virtual switch corresponding to the virtual switch ID, and then connect the target port of the virtual switch corresponding to the virtual switch port ID to the virtual network corresponding to the virtual interface ID to complete the virtual switch Network Configuration.

In this embodiment, the SDN controller receives the virtual switch port data sent by the proxy component through the cloud control platform node, wherein the virtual switch port data includes a virtual interface identifier, a virtual switch identifier, and a virtual switch port identifier; the virtual switch port is configured according to the virtual switch port data. The forwarding table entry of the switch, and the virtual switch target port corresponding to the virtual switch port identifier is connected to the virtual network corresponding to the virtual interface identifier to complete the network configuration of the virtual switch. Solve the problem that the connection between the SDN controller and the virtual switch database in the prior art is a short connection, the SDN controller does not maintain a large number of database session connections, and only when it needs to access the virtual switch database, the SDN controller will actively create a database connection , close the connection after the access is completed, which has a certain resource overhead, and the access efficiency is not high.

An embodiment of the present disclosure relates to a network configuration method, which is applied on an SDN controller, as shown in FIG. 5, including:

Step 401, receiving the virtual switch port data sent by the proxy component through the cloud control platform node, wherein the virtual switch port data includes a virtual interface identifier, a virtual switch identifier and a virtual switch port identifier.

Specifically, this step is substantially the same as step 301 in the embodiment of the present disclosure, and details are not repeated here.

Step 402, receiving the status of each port sent by the virtual switch through the OpenFlow protocol.

Specifically, the virtual switch can also communicate with the SDN controller through the OpenFlow protocol, and can send the status of each port of the virtual switch to the SDN controller; but since the existing OpenFlow protocol does not reserve a channel for transmitting other information, As a result, the virtual switch cannot send the virtual switch port data to the SDN controller through the OpenFlow protocol.

Step 403, acquire the port status of the virtual switch target port corresponding to the virtual switch port identifier from the port status.

Specifically, the port state transmitted by the virtual switch includes the port states of all ports on the virtual switch, and the SDN controller needs to identify the port state corresponding to the virtual switch target port from all port states according to the virtual switch target port.

Step 404, when the port state of the target port of the virtual switch is normal, configure the forwarding entry of the virtual switch according to the port data of the virtual switch, and connect the target port of the virtual switch corresponding to the port identifier of the virtual switch to the virtual switch corresponding to the virtual interface identifier. Network to complete the network configuration of the virtual switch.

Specifically, only when the port status of the target port of the virtual switch is normal, the network configuration of the virtual switch will be performed. The specific process of network configuration is roughly the same as step 302 in the embodiment of the present disclosure, and will not be repeated here.

In the implementation manner of the present disclosure, on the basis of other embodiments, the state of the target port of the virtual switch can also be judged, so as to improve the success rate of the SDN controller in configuring the virtual switch network.

An embodiment of the present disclosure relates to a network configuration method, as shown in FIG. 6 , including:

Step 501: Receive a virtual network creation request sent by a cloud control platform node, and create a virtual network according to the virtual network creation request.

Specifically, before receiving any other information, the SDN controller needs to receive the virtual network creation request sent by the network service component in the node of the cloud control platform, and create a virtual network according to the virtual network creation request, and set it for subsequent virtualization. The network configuration of the switch.

Step 502, receiving the virtual switch port data sent by the agent component through the cloud control platform node, wherein the virtual switch port data includes a virtual interface identifier, a virtual switch identifier and a virtual switch port identifier.

Step 503, configure the forwarding entry of the virtual switch according to the virtual switch port data, and connect the virtual switch target port corresponding to the virtual switch port ID to the virtual network corresponding to the virtual interface ID, and complete the network configuration of the virtual switch.

Specifically, this step is substantially the same as step 302 in the embodiment of the present disclosure, and details are not repeated here.

Another embodiment of the present disclosure relates to a proxy component. The details of the proxy component in this embodiment will be described in detail below. The following content is only the implementation details provided for the convenience of understanding, and is not necessary for the implementation of this embodiment. FIG. 7 is the implementation A schematic diagram of the proxy component described in the example, including: a receiving module 601 , an instantiation module 602 , a connection module 603 , and a sending module 604 .

Wherein, the receiving module 601 is configured to receive the virtual machine instantiation request and the virtual interface data sent by the cloud control platform node, wherein the virtual interface data includes the virtual interface identification;

The instantiation module 602 is configured to create an instantiated virtual machine according to a virtual machine instantiation request, and configure a virtual network card for the instantiated virtual machine according to the virtual interface data;

The connection module 603 is configured to configure the connection relationship between the virtual network card and the port of the virtual switch according to the preset connection conditions, and write the virtual interface identifier into the virtual switch database according to the connection relationship, wherein the virtual switch database is set to store the ports. virtual switch port data;

The sending module 604 is configured to obtain the virtual switch port data corresponding to the port from the virtual switch database, and send it to the software-defined network SDN controller through the cloud control platform node, so that the SDN controller completes the virtual switch according to the virtual switch port data. network configuration.

Another embodiment of the present disclosure relates to a controller. The details of the controller in this embodiment will be described in detail below. The following content is only the implementation details provided for the convenience of understanding, and is not necessary for the implementation of this embodiment. FIG. 8 is the A schematic diagram of the controller described in the example, including: a receiving module 701 and a configuration module 702 .

Wherein, the receiving module 701 receives the virtual switch port data sent by the computing service agent component through the cloud control platform node, wherein the virtual switch port data includes a virtual interface identifier, a virtual switch identifier and a virtual switch port identifier;

The configuration module 702 configures the forwarding entry of the virtual switch according to the virtual switch port data, and connects the virtual switch target port corresponding to the virtual switch port identifier to the virtual network corresponding to the virtual interface identifier, and completes the network configuration of the virtual switch.

It is not difficult to find that this embodiment is a system embodiment corresponding to the above method embodiment, and this embodiment can be implemented in cooperation with the above method embodiment. The relevant technical details and technical effects mentioned in the above embodiments are still valid in this embodiment, and will not be repeated here to reduce repetition. Correspondingly, the relevant technical details mentioned in this embodiment can also be applied in the above embodiments.

It is worth mentioning that all the modules involved in this embodiment are logical modules. In practical applications, a logical unit can be a physical unit, or a part of a physical unit, or multiple physical units. Combination of units. In addition, in order to highlight the innovative parts of the embodiments of the present disclosure, this embodiment does not introduce units that are not closely related to solving the technical problems raised by the embodiments of the present disclosure, but this does not mean that there are no other elements in this embodiment unit.

Another embodiment of the present disclosure relates to an electronic device, as shown in FIG. 9 , including: at least one processor 801; and a memory 802 communicatively connected to the at least one processor 801; wherein, the memory 802 stores Instructions that can be executed by the at least one processor 801, the instructions are executed by the at least one processor 801, so that the at least one processor 801 can execute the network configuration methods in the foregoing embodiments.

Wherein, the memory and the processor are connected by a bus, and the bus may include any number of interconnected buses and bridges, and the bus connects one or more processors and various circuits of the memory together. The bus may also connect together various other circuits such as peripherals, voltage regulators, and power management circuits, all of which are well known in the art and therefore will not be further described herein. The bus interface provides an interface between the bus and the transceivers. A transceiver may be a single element or multiple elements, such as multiple receivers and transmitters, providing means for communicating with various other devices over a transmission medium. The data processed by the processor is transmitted on the wireless medium through the antenna, further, the antenna also receives the data and transmits the data to the processor.

The processor is responsible for managing the bus and general processing, and can also provide various functions, including timing, peripheral interface, voltage regulation, power management, and other control functions. Instead, the memory may be configured to store data used by the processor when performing operations.

Another embodiment of the present disclosure relates to a computer-readable storage medium storing a computer program. The above method embodiments are implemented when the computer program is executed by the processor.

That is, those skilled in the art can understand that all or part of the steps in the method of the above-mentioned embodiments can be completed by instructing related hardware through a program, the program is stored in a storage medium, and includes several instructions to make a device ( It may be a single-chip microcomputer, a chip, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the various embodiments of the present disclosure. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disc, etc., which can store program codes. .

Those of ordinary skill in the art can understand that the above-mentioned embodiments are specific examples for realizing the present disclosure, and in practical applications, various changes can be made in form and details without departing from the spirit and spirit of the present disclosure. scope.

Claims

A network configuration method, applied to an agent component of a computing node, the computing node also includes a virtual switch and a virtual switch database, the method comprising:

Receiving a virtual machine instantiation request and virtual interface data sent by a cloud control platform node, wherein the virtual interface data includes a virtual interface identifier;

Create an instantiated virtual machine according to the virtual machine instantiation request, and configure a virtual network card for the instantiated virtual machine according to the virtual interface data;

Configure the connection relationship between the virtual network card and the port of the virtual switch according to preset connection conditions, and write the virtual interface identifier into the virtual switch database according to the connection relationship, wherein the virtual switch database configured to store virtual switch port data for said port;

Obtain the virtual switch port data corresponding to the port from the virtual switch database, and send it to the software-defined network SDN controller through the cloud control platform node, so that the SDN controller according to the virtual switch The port data completes the network configuration of the virtual switch.
The network configuration method according to claim 1, wherein the cloud control platform node includes a computing service component and a network service component;

The receiving virtual machine instantiation request and virtual interface data sent by the cloud control platform node specifically includes:

When receiving the virtual machine instantiation request sent by the computing service component, sending a virtual interface creation request to the network service component, so that the network service component creates a virtual interface according to the virtual interface creation request, and allocating virtual interface data for the virtual interface;

The virtual interface data returned by the network service component is received.
The traffic detection method according to claim 1, wherein, before configuring the connection relationship between the virtual network card and the port of the virtual switch according to the preset connection condition, it further includes:

sending a port creation request to the virtual switch, so that the virtual switch creates the port according to the port creation request.
A network configuration method applied on an SDN controller, said method comprising:

Receiving the virtual switch port data sent by the computing service agent component through the cloud control platform node, wherein the virtual switch port data includes a virtual interface identifier, a virtual switch identifier and a virtual switch port identifier;

Configure the forwarding table entry of the virtual switch according to the virtual switch port data, and connect the virtual switch target port corresponding to the virtual switch port identifier to the virtual network corresponding to the virtual interface identifier, and complete the virtual switch for the virtual switch Network Configuration.
The network configuration method according to claim 4, wherein, before configuring the forwarding entry of the virtual switch according to the virtual switch port data, it also includes:

Receiving the status of each port sent by the virtual switch through the OpenFlow protocol;

Acquire the port status of the virtual switch target port corresponding to the virtual switch port identifier from the port statuses;

When the port state of the target port of the virtual switch is normal, configure the forwarding entry of the virtual switch according to the port data of the virtual switch.
The network configuration method according to claim 4, wherein, before receiving the virtual switch port data sent by the computing service agent component through the cloud control platform node, it also includes:

receiving the virtual network creation request sent by the cloud control platform node, and creating the virtual network according to the virtual network creation request.
A proxy component comprising:

The receiving module is configured to receive a virtual machine instantiation request and virtual interface data sent by a cloud control platform node, wherein the virtual interface data includes a virtual interface identifier;

The instantiation module is configured to create an instantiated virtual machine according to the instantiation request of the virtual machine, and configure a virtual network card for the instantiated virtual machine according to the virtual interface data;

The connection module configures the connection relationship between the virtual network card and the port of the virtual switch according to preset connection conditions, and writes the virtual interface identifier into the virtual switch database according to the connection relationship, wherein the The virtual switch database is set to store the virtual switch port data of the port;

A sending module, configured to obtain the virtual switch port data corresponding to the port from the virtual switch database, and send it to the software-defined network SDN controller through the cloud control platform node, so that the SDN controller The network configuration of the virtual switch is completed according to the port data of the virtual switch.
A controller comprising:

The receiving module is configured to receive the virtual switch port data sent by the computing service agent component through the cloud control platform node, wherein the virtual switch port data includes a virtual interface identifier, a virtual switch identifier and a virtual switch port identifier;

The configuration module is configured to configure the forwarding table item of the virtual switch according to the virtual switch port data, and connect the virtual switch target port corresponding to the virtual switch port identifier to the virtual network corresponding to the virtual interface identifier to complete the pairing The network configuration of the virtual switch.
An electronic device comprising:

at least one processor; and,

a memory communicatively coupled to the at least one processor; wherein,

The memory stores instructions executable by the at least one processor, the instructions are executed by the at least one processor, so that the at least one processor can perform the operation described in any one of claims 1 to 3 The network configuration method described above, or the network configuration method described in any one of claims 4 to 6 can be implemented.
A computer-readable storage medium storing a computer program, wherein, when the computer program is executed by a processor, the network configuration method according to any one of claims 1 to 3 is realized, or the network configuration method according to any one of claims 4 to 6 is realized. The network configuration method described in any one.