WO2015081534A1

WO2015081534A1 - Data packet transmission system, transmission method and device thereof

Info

Publication number: WO2015081534A1
Application number: PCT/CN2013/088652
Authority: WO
Inventors: 郭成绪
Original assignee: 华为技术有限公司
Priority date: 2013-12-05
Filing date: 2013-12-05
Publication date: 2015-06-11
Also published as: CN105264837A; CN105264837B

Abstract

A data packet transmission system, transmission method and device enables a virtual machine to receive and process all data packets flowing through a physical port, or all data packets including a specific VLAN identification and flowing through a physical port, thus expanding the scope of the data packets processed by the virtual machine, maximizing the use of the functions of the virtual machine, effectively optimizing the virtualization effect, and realizing the functions that cannot be realized before.

Description

Data message transmission system, transmission method and device

Technical field

The present invention relates to the field of communications, and in particular, to a data message transmission system, a transmission method, and a device. Background technique

Virtualization technology refers to the creation of multiple virtual machines (VMs) on a physical host. The physical hosts can also be called hosts. Each virtual machine is assigned a resource such as a hard disk, a memory, a central processing unit (CPU), and a technology for installing an operating system (OS) for each virtual machine. Different virtual machines can be installed with different operating systems.

Since virtual machines can have separate resources and operating systems, different virtual machines can be independent of each other. The created virtual machine is available to the user. The user who rents the virtual machine can be called a tenant, and one tenant can rent one or more virtual machines.

With the convergence of communication technology (CT) technology and information industry (IT) technology, traditional communication network elements are gradually applied to IT virtualization technology, for example, the Radio Network Controller (RNC), The functions of a communication network element such as a Mobility Management Entity (MME) and a Serving Gateway (SGW) are implemented in a virtual machine.

The main function of the virtual machine in the traditional IT industry is to access the Internet. Therefore, its networking requirements are relatively low. After the virtual machine accesses the virtual network provided by the virtual facility layer in the virtual infrastructure, it accesses the Internet. There are two ways to network the machine:

method one:

As shown in Figure 1, assume that there are two hosts, Hostl and Host2, and two virtual machines are created in each host, namely VM1, VM2, VM3, and VM4, and each virtual machine is assigned an Internet. The IP addresses are 30.0.0.2~30.0.0.5 respectively. At the same time, the physical routers of the external network provided by the virtual facility layer are assigned IP addresses of the same network segment, where 30.0.0.1 is allocated. In the networking architecture shown in Figure 1, the virtual machine accesses the interconnection. The process of the net is:

First, the virtual machine accesses the virtual switch (vSwitch) through the virtual network card (vNIC); then, configures the default route for the virtual machine, and uses the physical router as the gateway, and the virtual machine accesses the IP address of the public network allocated for itself. a physical router with the IP address of the same network segment;

Finally, the virtual machine uses the physical router as the gateway to access the Internet through the IP address of the public network. Method 2:

As shown in Figure 2, it is still assumed that there are two hosts, Hostl and Host2, and two virtual machines are created in each host, namely VM1, VM2, VM3, and VM4, and each virtual machine is assigned an Internet. The IP addresses are 30.0.0.2~30.0.0.5, and each virtual machine is assigned a LAN IP address of 10.0.0.2~10.0.0.5, and the external network provided for the virtual facility layer (External Network) The physical router assigns the Internet IP address of the same network segment, that is, 30.0.0.1, and assigns the internal network IP address of the same network segment to the internal network router (Router) or network address translator (NAT). That is 10.0.0.1. In the networking architecture shown in Figure 1, the process of virtual machine access to the Internet is:

First, the virtual machine accesses the virtual switch (vSwitch) through the virtual network card (vNIC); then, configures the default route for the virtual machine, and connects the router in the internal network as a virtual machine to the gateway of the internal network, and the virtual machine passes the local area network. The IP address accesses the router in the internal network; the physical router in the external network acts as a gateway for the virtual machine to access the Internet, and the virtual machine accesses the physical router in the external network through the IP address of the Internet;

Finally, the virtual machine uses the router in the internal network as the gateway, accesses the internal network through the IP address of the local area network, and uses the physical router in the external network as the gateway to access the Internet through the IP address of the Internet.

The internal network involved in the first mode and the second mode refers to a network that enables devices in the virtual architecture to communicate internally in the virtual architecture, such as a network that connects virtual machines, virtual network cards, virtual switches, etc.; It refers to a network that connects virtual machines to the Internet.

When the communication network element is applied to the virtualization technology, the same networking mode as that of FIG. 1 or FIG. 2 can be used, but the virtual machine ultimately accesses not the Internet but an external physical device such as a base station. However, in the current virtual machine networking architecture, when the external physical device sends a data packet to the virtual machine, the virtual switch in the external network forwards the data packet according to the destination MAC address included in the data packet. The physical router and the router in the internal network are routed and forwarded according to the IP address. The final data packet is sent to the virtual machine corresponding to the destination MAC address or IP address. That is, the virtual machine can only receive such data packets. The destination MAC address or IP address is the data packet of the MAC address or IP address of the VM. The data packets received by the VM are limited. For example, the data packets related to the link layer cannot be received. Therefore, the functionality of the virtual machine cannot be used efficiently. Summary of the invention

The embodiments of the present invention provide a data packet transmission system, a transmission method, and a device, which are used to solve the problem that the virtual machine receives limited data packets in the prior art, and the virtual machine function cannot be effectively used.

The first aspect provides a data packet transmission system, where the system includes: a general processing device and an interface device, where the at least one virtual machine is created in the universal processing device, and the interface device has at least one physical port The physical port is occupied by at least one virtual elastic interface, and each of the virtual elastic interfaces has a corresponding relationship with at least one virtual machine;

The interface device is configured to determine, according to an occupation relationship between the first physical port and the virtual elastic interface, to transmit the first datagram, when the first physical port is configured to receive the first data packet sent by the external physical device The first virtual elastic interface of the text, and determining, according to the correspondence between the first virtual elastic interface and the virtual machine, information of the first virtual machine that receives the first data, and the determined The information of a virtual machine is carried in the first packet header information, and the first packet header information is encapsulated in the first data packet, and then sent to the universal processing by using the determined first virtual elastic interface. Equipment

The general processing device is configured to: when receiving the first data packet, determine, according to the encapsulated first packet header information, the first virtual machine that receives the first data packet, and remove the The first data packet of the first packet header information is sent to the first virtual machine. With reference to the first aspect, in a first possible implementation, the general processing device is further configured to determine a second virtual elastic interface corresponding to the second virtual machine that sends the second data packet, and according to the physical port and the Determining the relationship between the second virtual elastic interface, determining the information of the second physical port occupied by the second virtual elastic interface, and carrying the determined information of the second physical port in the second packet header And the information is sent to the interface device by using the determined second virtual elastic interface after the second data packet is encapsulated in the second data packet;

The interface device is further configured to: when the second data packet is received, remove the second packet header information according to the information of the second physical port carried in the encapsulated second packet header information The second data packet is sent to the external physical device through the second physical port.

With reference to the first aspect, or the first possible implementation manner of the first aspect, in the second possible implementation, the interface device is specifically configured to: if the first physical port is monopolized by a virtual elastic interface, Determining that the virtual elastic interface is the first virtual elastic interface that transmits the first data packet, and if the first physical port is multiplexed by more than one virtual elastic interface, according to the received first data packet The virtual elastic interface corresponding to the slice resource information is a first virtual elastic interface for transmitting the first data packet.

With reference to the first aspect, the first possible implementation manner of the first aspect, or the second possible implementation manner of the first aspect, in a third possible implementation manner, the interface device is specifically used as a transmission station When the first virtual elastic interface of the first data packet has a corresponding relationship with the plurality of virtual machines, determining, by the load balancing condition, one virtual machine from the plurality of virtual machines is the first virtual machine.

With reference to the first aspect, the first possible implementation of the first aspect, the second possible implementation of the first aspect, or the third possible implementation of the first aspect, in a fourth possible implementation manner The interface device is specifically configured to: determine the media link control of the first virtual machine that is determined

The MAC address is used as the destination MAC address, and the information of the physical port occupied by the first virtual elastic interface, which is the source MAC address and the first MAC address, is carried in the first packet header information;

The information of the first physical port occupied by the first virtual elastic interface is a port number of the physical port when the first virtual elastic interface is the first physical port; or When the first virtual elastic interface multiplexes the first physical port, the information of the first physical port occupied by the first virtual elastic interface is a port number of the physical port and corresponds to the first virtual elastic interface. Slice resource information.

With reference to the first possible implementation manner of the first aspect, in a fifth possible implementation, the general processing device is specifically configured to: when the second virtual elastic interface monopolizes the second physical port, The port number of the physical port is carried in the second packet header as the information of the physical port, or

When the second virtual elastic interface multiplexes the second physical port, the port number of the second physical port and the slice resource information corresponding to the second virtual elastic interface are carried as the information of the physical port in the second packet. In the header information.

With reference to the first possible implementation of the first aspect or the fifth possible implementation of the first aspect, in a sixth possible implementation, the general processing device is specifically configured to be used by the interface device The MAC address is carried in the second packet header information as the destination MAC address and the MAC address of the second virtual machine as the source MAC address.

With reference to the first aspect, the first possible implementation of the first aspect, the second possible implementation of the first aspect, the third possible implementation of the first aspect, the fourth possible aspect of the first aspect The implementation manner, the fifth possible implementation manner of the first aspect, or the sixth possible implementation manner of the first aspect, in a seventh possible implementation manner, the system further includes:

The management device is configured to create a virtual elastic interface according to the creation information in the application when the application for creating the virtual elastic interface is received, and the information about the physical port occupied by the virtual elastic interface and the corresponding relationship with the virtual machine are created. The information is sent to the interface device and the general-purpose processing device. The creation information includes: bandwidth occupied by the virtual elastic interface to be created, information of the corresponding virtual machine, and information of the occupied physical port.

The second aspect provides a data packet transmission system, where the system includes: an interface device and a general-purpose processing device, where the at least one virtual machine is created in the general-purpose processing device, and the interface device has at least one physical port The physical port is occupied by at least one virtual elastic interface, and each of the virtual elastic interfaces has a corresponding relationship with at least one virtual machine; The general processing device is configured to determine a virtual elastic interface corresponding to the virtual machine that sends the second data packet, and determine, according to the occupation relationship between the physical port and the virtual elastic interface, the virtual machine that sends the second data packet. The information of the physical port occupied by the corresponding virtual elastic interface, and the information of the determined physical port is carried in the second packet header information, and the second packet header information is encapsulated in the second data packet. Sending to the interface device by using the determined virtual elastic interface;

The interface device is further configured to: when receiving the second data packet, remove the second data of the second packet header information according to the physical port information carried in the encapsulated second packet header information The text is sent to the external physical device through the corresponding physical port.

The third aspect provides an interface device, where the interface device has at least one physical port, where: one of the physical ports is occupied by at least one virtual elastic interface, and each of the virtual elastic interfaces and the general processing device At least one virtual machine created has a corresponding relationship;

The interface device includes a first receiving module, a virtual elastic interface determining module connected to the first receiving module, a virtual machine determining module and a first sending module respectively connected to the virtual elastic interface determining module, and the The virtual machine determines the encapsulation module to which the module is connected, where:

The first receiving module is configured to receive, by using the first physical port, a first data packet sent by an external physical device;

The virtual elastic interface determining module is configured to determine, according to an occupation relationship between the first physical port and the virtual elastic interface, a first virtual elastic interface that transmits the first data packet;

The virtual machine determining module is configured to determine information about a first virtual machine corresponding to the first virtual elastic interface according to the corresponding relationship between the first virtual elastic interface and the virtual machine;

The encapsulating module is configured to encapsulate the first packet header information in the first data packet, where the first packet header information carries information about the first virtual machine determined by the virtual machine determining module; The first sending module is configured to send, by using the first virtual elastic interface determined by the virtual elastic interface determining module, the first data packet that encapsulates the first packet header information by the encapsulating module.

With reference to the third aspect, in a first possible implementation, the interface device further includes a second a receiving module, a decapsulation module connected to the second receiving module, a physical port determining module and a second sending module respectively connected to the decapsulating module, wherein:

The second receiving module is configured to receive the second data packet by using the second virtual elastic interface, where the second data packet is encapsulated with the second packet header information, where the second packet header information carries the first Two physical port information;

Decapsulating module, configured to decapsulate the second packet header information in the second data packet received by the second receiving module, to obtain the second packet header information, and remove the second packet header information The second data packet of the message header information;

The physical port nitration module is configured to determine, according to information about the second physical port carried in the second packet header information obtained by decapsulation of the decapsulation module, to transmit the second data packet Physical port

Transmitting, by the second sending module, the second data packet that is used to decapsulate the decapsulation module to remove the second packet header information by using the second physical port determined by the physical port determining module Give external physical devices.

With the third aspect or the first possible implementation manner of the third aspect, in a second possible implementation manner, the virtual elastic interface determining module is specifically configured to: if the first physical port is a virtual elastic interface If the first physical port is multiplexed by more than one virtual elastic interface, the first physical port is determined to be the first virtual elastic interface. The virtual elastic interface corresponding to the slice resource information is a first virtual elastic interface for transmitting the first data packet.

With reference to the third aspect, the first possible implementation manner of the third aspect, or the second possible implementation manner of the third aspect, in a third possible implementation manner, the virtual machine determining module is specifically used to be When the first virtual elastic interface that transmits the first data packet has a corresponding relationship with multiple virtual machines, one virtual machine is determined from the plurality of virtual machines as the first virtual machine according to a load balancing condition.

In conjunction with the third aspect, the first possible implementation of the third aspect, the second possible implementation of the third aspect, or the third possible implementation of the third aspect, in a fourth possible implementation In the mode, the encapsulating module is specifically configured to use the determined MAC address of the first virtual machine as a destination MAC address, use its own MAC address as a source MAC address, and transmit a first virtual data packet. The information of the physical port occupied by the elastic interface is carried in the first packet header information.

The information of the first physical port occupied by the first virtual elastic interface is a port number of the physical port when the first virtual elastic interface is the first physical port; or

When the first virtual elastic interface multiplexes the first physical port, the information of the first physical port occupied by the first virtual elastic interface is a port number of the physical port and corresponds to the first virtual elastic interface. Slice resource information.

The fourth aspect provides an interface device, where the interface device has at least one physical port, where: one of the physical ports is occupied by at least one virtual elastic interface, and each of the virtual elastic interfaces and the general processing device At least one virtual machine created has a corresponding relationship;

The interface device includes a transceiver and a processor, wherein:

The transceiver is configured to receive, by using a first physical port, a first data packet sent by an external physical device, and, according to the first virtual elastic interface determined by the processor, encapsulating the first packet header information by the processor Sending a data packet through the first virtual elastic interface;

a processor, configured to determine, according to an occupation relationship between the first physical port and the virtual elastic interface, a first virtual elastic interface that transmits the first data packet, and according to the first virtual elastic interface and the virtual Corresponding relationship between the first virtual machine and the information of the first virtual machine corresponding to the first virtual elastic interface, and encapsulating the first packet header information in the first data packet, where the first packet header information carries The information of the first virtual machine.

With reference to the fourth aspect, in a first possible implementation, the transceiver is further configured to receive a second data packet by using a second virtual elastic interface, where the second data packet is encapsulated with a second packet header Information, the second packet header information carries the information of the second physical port, and the second data packet that removes the second packet header information by the processor is determined by the processor The second physical port is sent to an external physical device;

The processor is configured to decapsulate the second packet header information in the second data packet The second packet header information and the second data packet with the second packet header information removed, determining to transmit the second datagram according to the information of the second physical port carried in the second packet header information The second physical port of the text.

With reference to the fourth aspect, or the first possible implementation manner of the fourth aspect, in a second possible implementation, the processor is configured to determine, if the first physical port is exclusive to a virtual elastic interface, The virtual elastic interface is a first virtual elastic interface that transmits the first data packet. If the first physical port is multiplexed by more than one virtual elastic interface, the first physical port is carried according to the received first data packet. The sliced resource information determines that the virtual elastic interface corresponding to the slice resource information is the first virtual elastic interface that transmits the first data.

With reference to the fourth aspect, the first possible implementation manner of the fourth aspect, or the second possible implementation manner of the fourth aspect, in a third possible implementation manner, the processor is specifically used as a transmission station When the first virtual elastic interface of the first data packet has a corresponding relationship with the plurality of virtual machines, determining, by the load balancing condition, one virtual machine from the plurality of virtual machines is the first virtual machine.

With reference to the fourth aspect, the first possible implementation manner of the fourth aspect, the second possible implementation manner of the fourth aspect, or the third possible implementation manner of the fourth aspect, in a fourth possible implementation manner The processor is specifically configured to use the determined MAC address of the first virtual machine as the destination MAC address, the MAC address of the first virtual machine as the source MAC address, and the first virtual elastic interface that transmits the first data packet. The information of the occupied physical port is carried in the first packet header information;

In a fifth aspect, a general processing device is provided, where at least one virtual machine is created, where: each virtual machine corresponds to one elastic virtual interface, and at least one virtual elastic interface occupies one physical medium in the interface device port; The general processing device includes: a first receiving module, a virtual elastic interface determining module connected to the first receiving module, a physical port determining module and a first sending module respectively connected to the virtual elastic interface determining module, and The physical port determines a module to which the module is connected, where:

The first receiving module is configured to receive a second data packet sent by the second virtual machine, where the virtual elastic interface determining module is configured to determine a second virtual elastic interface corresponding to the second virtual machine;

The physical port determining module is configured to determine information about a second physical port occupied by the second virtual elastic interface according to an occupation relationship between the physical port and the second virtual elastic interface; Encapsulating the second data packet with the second data packet received by the first receiving module, where the second packet header information carries the second physical port determined by the physical port determining module Information

The first sending module is configured to send, by using the virtual elastic interface, the second virtual elastic interface that is determined by the module, and send, by the encapsulating module, the second data packet that encapsulates the second packet header information. .

With reference to the fifth aspect, in a first possible implementation, the general processing device further includes: a second receiving module, a decapsulation module connected to the second receiving module, and respectively connected to the decapsulation module a virtual machine determining module and a second sending module, wherein:

The second receiving module is configured to receive the first data packet by using the first virtual elastic interface, where the first data packet encapsulates the first packet header information, where the first packet header information carries the first Information of a virtual machine;

Decapsulating module, configured to decapsulate the first packet header information in the first data packet received by the second receiving module, to obtain the first packet header information, and remove the first packet header information The first data packet of the packet header information;

The virtual machine determining module is configured to determine, according to information about the first virtual machine that is carried in the first packet header information that is decapsulated by the decapsulation module, that the first virtual data packet is received. machine; Transmitting, by the second sending module, the first data packet that is to be decapsulated by the decapsulation module and removing the first packet header information to the first virtual machine that is determined by the virtual machine determining module .

With reference to the fifth aspect, or the first possible implementation manner of the fifth aspect, in a second possible implementation, the physical port determining module is specifically configured to exclusively occupy the second physical port in the second virtual elastic interface. The port number of the second physical port is used as the information of the physical port, or when the second virtual elastic interface multiplexes the second physical port, the port number of the second physical port and the second virtual elasticity The slice resource corresponding to the interface is used as the information of the physical port.

With reference to the fifth aspect, the first possible implementation manner of the fifth aspect, or the second possible implementation manner of the fifth aspect, in a third possible implementation, the encapsulating module is specifically configured to The MAC address of the interface device is used as the destination MAC address, and the MAC address of the second virtual machine is used as the source MAC address in the second packet header information, and the second data packet is encapsulated.

According to a sixth aspect, a general processing device is provided, where at least one virtual machine is created, where: each virtual machine corresponds to one elastic virtual interface, and at least one virtual elastic interface occupies one physical medium in the interface device Port

The general purpose processing device includes: a transceiver and a processor, wherein:

The transceiver is configured to receive a second data packet sent by the second virtual machine, and encapsulate the second data packet of the second packet header by the processor according to the second virtual elastic interface determined by the processor. Transmitting through the second virtual elastic interface;

The processor is configured to determine a second virtual elastic interface corresponding to the second virtual machine, and determine the second virtual elastic interface according to an occupation relationship between the physical port and the second virtual elastic interface. The information of the second physical port is occupied, and the second packet header is encapsulated with the second packet header. The second packet header carries the information of the second physical port.

With reference to the sixth aspect, in a first possible implementation, the processor is specifically configured to: when the second virtual elastic interface occupies the second physical port, the port number of the second physical port is used as a physical port. Information, or, When the second virtual elastic interface multiplexes the second physical port, the port number of the second physical port and the slice resource corresponding to the second virtual elastic interface are used as information of the physical port.

With reference to the sixth aspect, or the first possible implementation manner of the sixth aspect, in a second possible implementation, the processor is specifically configured to use a MAC address of the interface device as a destination MAC address and The MAC address of the second virtual machine is carried in the second packet header as the source MAC address, and the second data packet is encapsulated.

With reference to the sixth aspect, the first possible implementation manner of the sixth aspect, or the second possible implementation manner of the sixth aspect, in a third possible implementation manner, the transceiver is further configured to pass the first The virtual elastic interface receives the first data packet, where the first data packet encapsulates the first packet header information, the first packet header information carries information of the first virtual machine, and, according to the processor Determining, by the first virtual machine, the first data packet that removes the first packet header information from the processor and sends the first data packet to the first virtual machine;

The processor is further configured to decapsulate the first packet header information in the first data packet to obtain the first packet header information and the first data packet with the first packet header information removed. And determining, according to the information of the first virtual machine carried in the first packet header information, the first virtual machine that receives the first data packet.

A seventh aspect provides a method for transmitting a data packet, where the method includes:

When the interface device receives the first data packet sent by the external physical device, the interface device determines, according to the occupation relationship between the first physical port and the virtual elastic interface, that the first data packet is transmitted. a virtual elastic interface, and determining, according to the correspondence between the first virtual elastic interface and the virtual machine, information of the first virtual machine that receives the first data packet;

The interface device carries the determined information of the first virtual machine in the first packet header information, and after the first packet header information is encapsulated in the first data packet, the determined a virtual elastic interface is sent to the general processing device;

When receiving the first data packet, the general processing device determines, according to the encapsulated first packet header information, the first virtual machine that receives the first data packet, and removes the first packet. Sending, by the first data packet, the first data packet to the first virtual machine; At least one virtual machine is created in the general-purpose processing device, the interface device has at least one physical port, and one of the physical ports is occupied by at least one virtual elastic interface, and each of the virtual elastic interfaces and at least one The virtual machine has a corresponding relationship.

With reference to the seventh aspect, in a first possible implementation, the method further includes: determining, by the general processing device, a second virtual elastic interface corresponding to the second virtual machine that sends the second data packet, and according to the physical port Determining, by the occupancy relationship between the second virtual elastic interface, information about the second physical port occupied by the second virtual elastic interface;

The general processing device carries the determined information of the second physical port in the second packet header information, and after the second packet header is encapsulated in the second data packet, the determined Sending, by the second virtual elastic interface, the interface device;

When receiving the second data packet, the interface device removes the second data packet of the second packet header information according to the information of the second physical port carried in the encapsulated second packet header information. The text is sent to the external physical device through the corresponding second physical port.

With reference to the seventh aspect, or the first possible implementation manner of the seventh aspect, in a second possible implementation manner, the interface device determines, by using the following manner, a first virtual elastic interface that transmits the first data packet:

If the first physical port is exclusively occupied by a virtual elastic interface, the interface device determines that the virtual elastic interface is the first virtual elastic interface that transmits the first data packet, if the first physical port is more than The virtual elastic interface is multiplexed, and the interface device determines, according to the received slice resource information in the first data packet, that the virtual elastic interface corresponding to the slice resource information is used to transmit the first data packet. The first virtual elastic interface.

With reference to the seventh aspect, the first possible implementation manner of the seventh aspect, or the second possible implementation manner of the seventh aspect, in a third possible implementation manner, when the first data packet is transmitted When a virtual elastic interface has a corresponding relationship with multiple virtual machines, the interface device determines one virtual machine from the plurality of virtual machines as the first virtual machine according to a load balancing condition.

In conjunction with the seventh aspect, the first possible implementation of the seventh aspect, the second possible implementation of the seventh aspect, or the third possible implementation of the seventh aspect, in a fourth possible implementation In the method, the method further includes:

The interface device also determines the MAC address of the first virtual machine as the destination MAC address, the MAC address of the first virtual machine as the source MAC address, and the physics occupied by the first virtual elastic interface that transmits the first data packet. The information of the port is carried in the first packet header information.

The information of the first physical port occupied by the first virtual elastic interface is a port number of the physical port when the first virtual elastic interface is the first physical port; or When the first physical port is multiplexed by the virtual elastic interface, the information of the first physical port occupied by the first virtual elastic interface is the port number of the physical port and the slice resource information corresponding to the first virtual elastic interface. .

With reference to the first possible implementation manner of the seventh aspect, in a fifth possible implementation manner, the information processing, by the general processing device, the information of the second physical port is carried in the second packet header information, including:

When the second virtual elastic interface is the second physical port, the general processing device carries the port number of the second physical port as the information of the physical port in the second packet header information, or When the second virtual elastic interface multiplexes the second physical port, the port number of the second physical port and the slice resource information corresponding to the second virtual elastic interface are carried as the physical port information in the second packet header information. in.

With reference to the first possible implementation manner of the seventh aspect, or the fifth possible implementation manner of the seventh aspect, in a sixth possible implementation manner, the method further includes:

The general-purpose processing device also carries the MAC address of the interface device as the destination MAC address and the MAC address of the second virtual machine as the source MAC address in the second packet header information.

With reference to the seventh aspect, the first possible implementation manner of the seventh aspect, the second possible implementation manner of the seventh aspect, the third possible implementation manner of the seventh aspect, and the fourth possible The implementation manner, the fifth possible implementation manner of the seventh aspect, or the sixth possible implementation manner of the seventh aspect, in a seventh possible implementation manner, the method further includes:

When the management device receives an application to create a virtual elastic interface, it creates information according to the application. The virtual elastic interface is created, and the created information includes: bandwidth occupied by the virtual elastic interface to be created, information of the corresponding virtual machine, and information of the occupied physical port;

And the management device sends the information about the physical port occupied by the virtual elastic interface and the corresponding relationship with the virtual machine to the interface device and the general processing device.

The eighth aspect provides a method for transmitting a data packet, where the method includes:

The general processing device determines the virtual elastic interface corresponding to the virtual machine that sends the second data, and determines the physical port information occupied by the virtual elastic interface corresponding to the virtual machine according to the occupation relationship between the physical port and the virtual elastic interface;

The general-purpose processing device carries the information of the determined physical port in the second packet header information, and encapsulates the second packet header information in the second data packet, and sends the information through the determined virtual elastic interface. Giving the interface device;

When receiving the second data packet, the interface device passes the second data packet with the second packet header information removed according to the physical port information carried in the encapsulated second packet header information. The physical port is sent to the external physical device;

At least one virtual machine is created in the general-purpose processing device, the interface device has at least one physical port, and one of the physical ports is occupied by at least one virtual elastic interface, and each of the virtual elastic interfaces and at least one The virtual machine has a corresponding relationship.

The beneficial effects of the application are as follows:

With the solution of the embodiment of the present invention, the virtual machine can receive and process all data packets flowing through a physical port, or all data packets including a specific VLAN identifier flowing through a physical port, and expand the processing of the virtual machine. The scope of the data message enables the virtual machine's functions to be maximized, effectively optimizing the virtualization effect and realizing functions that were previously impossible. DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following drawings will be briefly described in the description of the embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, Those of ordinary skill in the art, without paying for creative labor Further drawings can also be obtained from these drawings.

1 is a schematic diagram of networking of two virtual machines in the background art of FIG. 2;

FIG. 3 is a schematic structural diagram of a data packet transmission system according to Embodiment 1 of the present invention; FIG. 5 is a schematic diagram of a method for transmitting a data packet from an external physical device to a virtual machine according to Embodiment 1 of the present invention;

FIG. 6 is a schematic structural diagram of the first packet header information encapsulated outside the MAC packet according to the first embodiment of the present invention;

7 is a schematic diagram of a method for transmitting a data packet virtual machine to an external physical device according to Embodiment 1 of the present invention;

8 and FIG. 9 are schematic structural diagrams of a structure device according to Embodiment 2 of the present invention;

FIG. 10 is a schematic structural diagram of a general processing device according to Embodiment 3 of the present invention. detailed description

The present invention will be further described in detail with reference to the accompanying drawings, in which FIG. . All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

In order to optimize the virtualization effect, the function simulated by the virtual machine in the complex network can be maximized. The embodiment of the present invention provides a new data packet transmission scheme, which includes data packets in two directions. Transmission process:

The process of transferring data packets from an external physical device to a virtual machine:

When the interface device receives the first data packet sent by the external physical device through the local physical port, the interface does not immediately transmit the first data packet to the virtual machine, but first determines to transmit the first data packet. a virtual elastic interface, which is hereinafter referred to as an EIF interface, and then, after determining a virtual machine corresponding to the EIF interface according to the correspondence between the EIF interface and the virtual machine, encapsulating the first data packet After the header, the first data packet is sent to the universal through the determined EIF interface. The processing device, the first packet header carries the information of the determined virtual machine; after the first packet header is decapsulated by the general processing device, the first data packet is sent to the corresponding virtual machine.

The process of transferring data packets from a virtual machine to an external physical device:

When receiving the second data packet sent by the virtual machine, the general processing device determines the EIF interface corresponding to the virtual machine that sends the second data packet according to the corresponding relationship between the virtual machine and the EIF interface, because the EIF interface occupies the interface device. The physical port includes the exclusive or multiplexed physical port. Therefore, after determining the EIF interface, the information of the physical port occupied by the EIF interface may be further determined; the general processing device carries the information of the physical port in the second packet. The header is encapsulated in the second data packet, and is sent to the interface device by using the determined EIF interface. After the second packet header is decapsulated by the interface device, the second data packet is passed. The corresponding physical port is sent to the external physical device.

It should be noted that the external physical device involved in the solution of the embodiment of the present invention refers to an external physical device, such as a base station, which is independent of each device in the virtual infrastructure layer.

The general purpose processing device and interface device are devices in an infrastructure layer in a virtual infrastructure layer, where:

The general-purpose processing device may be a host device, or may be a functional component in the host device. At least one virtual machine may be created in the general-purpose processing device, and the general-purpose processing device can perform data packet on the created virtual machine. Transceiver management.

The interface device has at least one physical port, which may be a dedicated interface device independent of the general-purpose processing device, or an interface device in the host device, that is, the general-purpose processing device and the interface device may be The independent hardware devices may also be integrated hardware devices, but each has the capability of implementing corresponding functions. For example, the general-purpose processing device may be a board for service processing in the virtual machine system, and the interface device may be used for Interface board for switching. It should be noted that the above is only an example and is not limited thereto.

The EIF interface is a virtual interface, which can be regarded as a transmission channel for transmitting data packets between the general processing device and the interface device, and has a physical port on the interface device and a virtual machine on the general processing device. The following associations: 1) The relationship between the EIF interface and the physical port is as follows:

The EIF interface needs to occupy a certain physical port resource. The physical port resource can include the physical port traffic or bandwidth. An EIF interface occupies a certain physical port, or multiple EIF interfaces multiplex a physical port.

If an EIF interface occupies a physical port, the traffic passing the EIF interface can correspond to the total traffic of the physical port that is exclusive to the EIF interface. In other words, when the data packet is transmitted from the external physical device to the virtual machine, the traffic flows through the EIF interface. All the data packets of the physical port are transmitted through the EIF interface of the EIF interface. When the data packets are transmitted from the virtual machine to the external physical device, the data packets flowing through the EIF interface pass through the physical device exclusive to the EIF interface. port.

If multiple EIF interfaces are multiplexed with one physical port, each EIF interface can occupy a part of the sliced resources on the physical port. The virtual local area network (VLAN) interface is used as an example. Set multiple VLAN interfaces, for example, set up four VLAN interfaces. The slicing resource information is VLAN1~VLAN4. One EIF interface can correspond to one slice resource information. For example, if eifl corresponds to VLAN1, the traffic passing through an EIF interface can be used. The traffic of the physical port is the traffic of the data packet of the VLA identifier corresponding to the EIF interface. In other words, the data packet that meets the following conditions will flow through the physical port. An EIF interface: The data port is transmitted from the external physical device to the virtual machine, and flows through the physical port multiplexed by the EIF interface, and the VLAN identifier included is the same as the VLAN identifier corresponding to the EIF interface, and the data packet is When the virtual machine is transferred to the external physical device, the virtual machine that sends the data is corresponding to the EIF interface. The proposed machine.

2) The relationship between the EIF interface and the virtual machine is as follows:

The EIF interface has a corresponding relationship with the virtual machine, that is, an EIF interface can be mapped to at least one virtual network card (VNIC), and the virtual machine associated with the vNIC processes the data packet sent and received by the EIF interface. That is, an EIF interface has a correspondence with at least one virtual machine, but a virtual machine only corresponds to one EIF interface. When the data is transmitted from the external physical device to the virtual machine, the data packet flowing through the EIF interface is transmitted to a virtual machine corresponding to the EIF interface according to the method of load balancing, etc. Not limited to load balancing Style. When a data packet is transmitted from the virtual machine to the external physical device, the data packet sent by the virtual machine will flow through the EIF interface corresponding to the virtual machine.

Through the above description of the solution to the embodiment of the present invention, in the data packet transmission process of the embodiment of the present invention, no matter which external physical device sends a data packet to the virtual machine, when the external physical device transmits the data packet to the interface device, The physical port that is passed through is pre-configured, that is, the relationship between the external physical device and the physical port that transmits the data packet is determined. In addition, the occupation relationship between the physical port and the EIF interface and the EIF interface and the virtual machine are determined. The corresponding relationship has also been determined. Therefore, a virtual machine can receive and process all data packets flowing through a physical port, or all data packets containing a specific VLAN identifier flowing through a physical port, and expand The scope of the data message processed by the virtual machine enables the virtual machine's functions to be maximized, effectively optimizing the virtualization effect and realizing functions that were previously impossible. For example, after the virtual machine receives the data packet related to the link layer, the virtual machine can implement link aggregation negotiation with the external network device after receiving the Link Aggregation Control Protocol (LACP) packet. The function.

In addition, although there is a multi-hop forwarding path between the virtual machine and the physical port in the actual network architecture, the data packet processed by the virtual machine is all data packets flowing through a physical port or contains a specific VLAN. The data packet is identified. Therefore, if the virtual machine and the physical port are regarded as directly transmitted two-hop transmission, the physical port is equivalent to the virtual port of the virtual machine. In this case, in the non-virtualized environment. The transport protocol and transport mechanism can be applied in a virtualized environment, which is an effective optimization for virtualization technology.

Further, in the solution of the embodiment of the present invention, since the IP address of the Internet is not required to be allocated according to the manners 1 and 2 in the background art, the IP address of the Internet is saved, and the implementation difficulty of the solution is also reduced.

It should be noted that, in the embodiments of the present invention, the definitions of "first" and "second" for data packets are used to distinguish data packets transmitted from the external physical device to the virtual machine and transmitted from the virtual machine to the external device. The data packet of the physical device does not have any restrictions on the content of the data packet.

Similarly, the "first" and "second" restrictions for the header are used to distinguish interface devices. The header of the packet encapsulated in the data packet sent to the virtual machine and the header of the general processing device encapsulated in the data packet sent to the external physical device do not limit the content of the packet header.

The specific implementation process of the present invention will be described in detail below with reference to the accompanying drawings. Of course, the embodiments of the present invention are not limited to the solutions of the following embodiments.

Embodiment 1:

The transmission system of the first embodiment of the present invention is applied to the infrastructure layer in the cloud computing architecture layer. The following describes the solution of the first embodiment of the present invention by taking the interface device as an independent dedicated interface device as an example.

As shown in FIG. 3, it is a schematic structural diagram of a data packet transmission system according to Embodiment 1 of the present invention. It is assumed that: There are two general processing devices in the system, namely, a general processing device 1 and a general processing device 2, and each general processing device There are two virtual machines created, VM1~VM4, an operating system installed in the general processing device, and a separate operating system installed in each virtual machine. VM1 and VM2 are virtual machines leased by tenant 1, VM3 and VM4 are virtual machines leased by tenant 2; the virtual machine exchanges data packets with the general processing device through the vNIC, and the general processing device passes through the first network card and the switching network. The communication between the switches can be the backplane connection, the network cable or the optical fiber. The switch communicates with the interface device through the second network card. The communication mode can be the backplane connection, the network cable or the optical fiber. The interface device passes the local device. The physical port communicates with an external physical device. In the solution of the first embodiment, the external physical device is a base station, and two base stations are shown in FIG. 3, which are respectively base stations set up by different tenants, and each base station can communicate with the interface device.

The EIF interface needs to be created before the data transmission is performed by the transmission system. The EIF interface needs to be created by a management device in the infrastructure layer. The management device can be a general processing device capable of creating an EIF interface. The logic module may also be a logic module that is independently set. The first embodiment of the present invention does not limit this.

The specific process of the management device to create an EIF interface is as follows:

Step 1: The management device receives an application to create an EIF interface.

The application for creating an EIF interface may be manually input by an administrator or may be implemented by a cloud computing architecture layer. Initiated by other devices in .

The application carries the creation information, and the creation information includes but is not limited to the following information:

1) The bandwidth occupied by the EIF interface to be created;

2), the information of the virtual machine corresponding to the EIF interface to be created;

3) Information about the physical port occupied by the EIF interface to be created;

4) Whether the EIF interface to be created is the exclusive physical port or the information of the physical port and the physical port occupied by the virtual elastic interface to be created.

If the EIF interface to be created is an exclusive physical port, the information about the physical port occupied by the EIF interface to be created is the port number of the occupied physical port. If the EIF interface to be created is a multiplexed physical port, the The information of the physical port occupied by the created EIF interface is the port number of the occupied physical port and the slice resource information corresponding to the EIF interface to be created. The slice resource information may be a VLAN identifier, and the slice resource indicated by the slice resource information. Can be a VLAN interface.

Step 2: The management device performs an admission determination. The admission determination refers to determining whether the actual status of the current system satisfies the requirement for creating information, and further determines whether the applied EIF interface can be created.

For example, if there is enough free bandwidth allocated to the EIF interface to be created, whether the physical port occupied by the EIF interface to be created exists, and if the physical port is multiplexed, whether the multiplexed physical port resources conflict, if the EIF to be created If the slice resource of the physical port applied by the interface is occupied by other EIF interfaces, it indicates that the multiplexed physical port resources conflict.

When the management device determines the current status of the current system to meet the requirements for creating information, the EIF interface is created and the corresponding interface information is generated for the created EIF interface. The interface information includes: The bandwidth and the physical port information occupied by the created EIF interface. If the physical port is an exclusive physical port, the physical port information is the port number of the physical port. If the physical port is reused, the physical port information is the port number of the physical port. Corresponding relationship between the created EIF interface and the virtual machine, and the EIF interface may correspond to one virtual machine or multiple virtual machines.

After the above two steps are completed, the creation process of an EIF interface is completed. When multiple EIF interfaces need to be created, the above two steps can be performed multiple times. The management device is creating an EIF interface. Then, the information about the physical port occupied by the created EIF interface can be sent to the interface device and the general-purpose processing device, and the corresponding relationship between the created EIF interface and the virtual machine can be sent to the interface device and the general-purpose processing device. At this time, the interface device and the general-purpose processing device know the information about the currently created EIF interface, and can transmit the data packet through the EIF interface.

The system structure after the EIF interface is created can be seen in Figure 4. The interface device has one physical port. The physical port is multiplexed by four EIF interfaces, namely EIF1~EIF4. The four EIF interfaces are respectively Corresponding to VLAN1~VLAN4, and the four EIF interfaces correspond to VM1~VM4.

In the system structure shown in Figure 4, the process of transferring data packets from the external physical device to the virtual machine is as shown in Figure 5, including the following steps:

Step 101: The interface device is configured to receive, by using a physical port, a first data packet sent by an external physical device, and determine, according to an occupation relationship between the physical port and the virtual elastic interface, an EIF interface that transmits the first data packet. .

The first data carries:

1), the first data transmission type, such as the transmission of Ethernet type (Ethernet type);

2), destination MAC address, that is, the MAC address of the virtual machine determined by the external physical device;

3), a source MAC address, that is, a MAC address of an external physical device that transmits the first data;

4) The VLAN ID determined when the external physical device sends the first data packet to the virtual machine.

When receiving the first data packet, the interface device determines the physical port that receives the first data packet, and determines whether the physical port is monopolized by an EIF interface. If yes, the interface determines exclusive use. The EIF interface of the physical port is an EIF interface that transmits the first data packet, that is, the EIF interface determined in step 101; if not, the interface device according to the slice resource carried in the first data packet The information, such as the VLAN identifier, determines that the EIF interface corresponding to the slice resource information is an EIF interface that transmits the first data packet, that is, the EIF interface determined in step 101.

Referring to FIG. 4, if the interface device determines that the VIAN ID carried in the first data packet is VLAN 1, the EIF interface used to transmit the first data packet is eif 1. Step 102: The interface device is configured to determine, according to a correspondence between the EIF interface and the virtual machine, information about the virtual machine that receives the first data packet.

The information of the virtual machine determined in this step may be the MAC address of the virtual machine, the virtual port number, or the like, or other information that can uniquely represent the virtual machine.

The specific implementation of the step is: the interface device determines, according to the correspondence between the EIF interface and the virtual machine sent by the management device, the virtual machine corresponding to the EIF interface that transmits the first data, as the step 102. a virtual machine for receiving the first data.

If the EIF interface determined in step 101 corresponds to a virtual machine, the virtual machine is a virtual machine that receives the first data packet. For example, in the system structure shown in Figure 4, if the EIF interface determined in step 101 is eifl, the corresponding virtual machine is VM1. If the EIF interface determined in step 101 corresponds to multiple virtual machines, the interface device may select one virtual machine from the plurality of virtual machines corresponding to the EIF interface to receive the first data packet according to a predetermined condition, such as a load balancing condition. Virtual machine. For example, you can select the virtual machine with the least load, or you can choose the appropriate virtual machine based on the principle of sharing the load on the average or the proportion of the case.

Step 103: The interface device is configured to encapsulate the first packet header information in the first data packet, where the first packet header information includes the first data packet that is determined by the interface device to receive the first data packet. Virtual machine information.

The purpose of the interface device to encapsulate the first packet header information in the first data packet is: when the interface device transmits the first data packet to the communication processing device, the first packet header information carries the first packet header information For information related to the data packet transmission process, the information of the virtual machine determined in step 102 can be carried as the destination address in the header information. The first packet header is provided, except that the first packet header carries the information of the virtual machine that receives the first data packet, and the general processing device learns the purpose of receiving the virtual machine of the first data packet. Other information may be carried in the general processing device to obtain information about the transmission process of the first data message between the interface device and the general processing device.

The information carried in the first packet header includes but is not limited to:

1), the source MAC address, that is, the MAC address of the interface device itself; 2) The information of the physical port occupied by the EIF interface of the first data packet, where the physical port information occupied by the EIF interface is the port number of the physical port when the EIF interface is exclusive to the physical port, in the EIF When the interface multiplexes a physical port, the information about the physical port occupied by the EIF interface is the port number of the physical port and the slice resource information corresponding to the EIF interface.

Taking the first data packet transmitted as a MAC packet as an example, as shown in FIG. 6, the structure of the data packet after the first packet header information is encapsulated outside the MAC packet, where: paylaod layer and inner The content of the layer MAC header is the content of the original MAC packet received by the interface device from the external physical device, and the outer MAC header is the encapsulated first packet header information.

The general processing device that receives the first data packet can distinguish the inner layer MAC header and the outer layer MAC header by the structure of the inner layer MAC header and the outer layer MAC header, that is, distinguish the original content of the first data packet from the interface device. The encapsulated content enables the general-purpose processing device to implement the transmission of the first data message according to the content in the outer MAC header, and avoids the general processing device modifying the content in the inner MAC header.

In the solution of this embodiment, the destination MAC address in the inner MAC header may be referred to as an inner layer destination MAC address (Inner DM AC ), and the source MAC address in the inner layer MAC header may be referred to as an inner layer source MAC address. The inner VLAN (NAT), which is determined by the internal physical device when the first data packet is transmitted from the external physical device to the interface device, is called the inner VLAN tag. The inner VLAN tag can be used to be used on the physical port. When the EIF interface is multiplexed, the interface device determines the EIF interface for transmitting the first data packet according to the correspondence between the inner VLAN tag and the EIF interface and the VLAN identifier carried in the first data packet.

(Outer DMAC), the source MAC address in the outer MAC header is called the outer source MAC address (Outer SMAC), and the information of the physical port occupied by the EIF interface that transmits the first data packet is used as I- The TAG indicates that the VLA identifier determined when the first data packet is transmitted from the interface device to the general-purpose processing device is called an outer VLAN tag (Outer VLAN tag), and the Outer VLAN tag is used for the interface device and the general processing device. In the process of data packet transmission, the role is the same as that in the normal transmission process of data packets between devices in the infrastructure layer, and will not be described here. Step 104: The interface device is configured to send the first data packet that encapsulates the first packet header information to the general processing device by using the determined EIF interface. At this time, the interface device is sent to the general processing device. The process of the first data message.

Step 105: The general processing device is configured to: when the first data packet is received, unpack the first packet header information, and determine a virtual machine that receives the first data packet.

Step 106: The general processing device is configured to send the first data packet with the first packet header information removed to the determined virtual machine, where the virtual machine receives the first data packet, It is processed according to the traditional Ethernet port 4 processing method, and will not be described here.

If the information of the virtual machine carried in the first packet header is the virtual port number of the virtual machine, in this step, the general processing device may send the first data packet to the virtual port of the corresponding virtual machine, and further Transfer to the virtual machine.

The above steps 101 to 106 describe the process of transmitting the first data packet from the external physical device to the virtual machine. The following describes the process of transmitting the second data packet from the virtual machine to the external physical device. It should be noted that the present invention is implemented. For example, the solution is sent from the external physical device to the virtual machine and the virtual machine sends the data packet to the external physical device to describe the solution. The solution from step 101 to step 106 and the solution from step 201 to step 206 can be implemented independently. .

As shown in FIG. 7, the transmission process of the second data packet includes the following steps:

Step 201: The general processing device is configured to determine an EIF interface corresponding to the virtual machine that sends the second data packet.

In this step 201, the virtual machine can send the second data packet through the virtual network card according to the traditional Ethernet port 4, and the general processing device identifies the virtual machine that sends the second data packet. And determining, according to the correspondence between the EIF interface and the virtual machine, an EIF interface corresponding to the virtual machine that sends the second data packet.

Step 202: The general processing device is configured to determine, according to an occupation relationship between the physical port and the EIF interface, information about a physical port occupied by the EIF interface corresponding to the virtual machine that sends the second data.

If the EIF interface corresponding to the virtual machine that sends the second data packet is the exclusive physical port, The information of the physical port is the port number of the physical port that is exclusive to the physical port. If the EIF interface corresponding to the virtual machine that sends the second data packet multiplexes the physical port, the information of the determined physical port is the EIF interface. Port number and slice resource information of the physical port corresponding to the occupied port resource.

Step 203: The general processing device is configured to encapsulate the second packet header information in the second data packet, where the second packet header information includes the information of the determined physical port.

The purpose of the second processing packet to encapsulate the second packet header information in the second data packet is: when the communication processing device transmits the second data packet to the interface device, by using the second packet header information Information related to the second data message transmission process. The second packet header may carry the following information, except that the second packet header carries the information of the physical port for transmitting the second data packet:

1), a destination MAC address, that is, a MAC address of an interface device that receives the second data packet;

2) The source MAC address, that is, the MAC address of the virtual machine that sends the second data packet. Specifically, the structure of the second data packet that encapsulates the second packet header information is similar to that of FIG. 6, and details are not described herein again.

Step 204: The general processing device is configured to send the second data packet that encapsulates the second packet header information to the interface device by using the determined EIF interface, and the universal processing device interface is completed. The process of sending a second data packet by the device.

Step 205: The interface device is configured to: when the second data packet is received, decapsulate the second packet header information, and determine information about a physical port that transmits the second data packet.

Step 206: The interface device is configured to send the second data packet with the second packet header information to the external physical device through the corresponding physical port.

The above steps 201 to 206 can achieve the same effect as the steps 101 to 106. In addition, if the steps 101 to 106 are combined with the steps 201 to 206, the data message can be transmitted in both directions. .

Preferably, in the system architecture of the first embodiment of the present invention, the seamless migration of the virtual machine can also be implemented, and the specific description is as follows:

Take the virtual machine information as the MAC address of the virtual machine as an example. When the created virtual machine changes. When VM1 in the general processing device 1 is unavailable, the function of the VM1 may be inherited by the newly created VM5 in the general processing device 2, as long as the MAC address of the VM1 is allocated to the VM5, and the original VM1 is used in the interface device. The correspondence between the MAC address and the general-purpose processing device 1 may be updated to the correspondence between the MAC address and the general-purpose processing device 2. When the external physical device sends a data packet, the information of the virtual machine determined by the interface device according to the scheme of step 102 is the MAC address of the VM1. At this time, the MAC address of the VM1 is actually the MAC address of the VM5, but the interface device does not care. The actual use state of the virtual machine only needs to carry the determined MAC address in the first packet header, and send the encapsulated first data packet to the general processing device 2, and then the general processing device 2 according to the first The MAC address in the packet header sends the data packet to VM5, which implements seamless migration from VM1 to VM5.

Embodiment 2:

Based on the system described in the first embodiment of the present invention and the data packet transmission process between the devices in the system, the second embodiment of the present invention describes an interface device. As shown in FIG. 8, at least one of the interface devices is provided. a physical port, where: one of the physical ports is occupied by at least one virtual elastic interface, and each of the virtual elastic interfaces has a corresponding relationship with at least one virtual machine created in a general processing device.

The interface device includes a first receiving module 11, a virtual elastic interface determining module 12 connected to the first receiving module 11, a virtual machine determining module 13 respectively connected to the virtual elastic interface determining module 12, and a first sending The module 15 and the encapsulation module 14 connected to the virtual machine determining module 13 cooperate with each other to realize the process of transmitting the data message sent by the external physical device to the general processing device of the virtual machine, and the function of each module Described as follows:

The first receiving module 11 is configured to receive, by using the first physical port, a first data packet sent by an external physical device;

The virtual elastic interface determining module 12 is configured to determine, according to an occupation relationship between the first physical port and the virtual elastic interface, a first virtual elastic interface that transmits the first data packet;

The virtual machine determining module 13 is configured to determine, according to the correspondence between the first virtual elastic interface and the virtual machine determined by the virtual elastic interface determining module 12, the first virtual elastic interface pair. Information about the first virtual machine that should be;

The encapsulating module 14 is configured to encapsulate the first packet header information in the first data packet, where the first packet header information carries information about the first virtual machine determined by the virtual machine determining module; The first sending module 15 is configured to send, by using the first virtual elastic interface determined by the virtual elastic interface determining module 12, the first data packet that encapsulates the first packet header information by the encapsulating module 14 .

Preferably, the virtual elastic interface determining module 12 is specifically configured to: if the first physical port is exclusively occupied by a virtual elastic interface, determine that the virtual elastic interface is the first virtual elastic interface that transmits the first data packet, If the first physical port is multiplexed by more than one virtual elastic interface, the virtual elastic interface corresponding to the slice resource information is determined as a transmission station according to the received slice resource information carried in the first data packet. The first virtual elastic interface of the first data packet.

Preferably, the virtual machine determining module 13 is specifically configured to: when the first virtual elastic interface that transmits the first data packet has a corresponding relationship with multiple virtual machines, according to load balancing conditions, from the multiple virtual machines Determining a virtual machine as the first virtual machine.

Preferably, the encapsulating module 14 specifically determines the MAC address of the first virtual machine as the destination MAC address, the MAC address of the first virtual machine as the source MAC address, and the first virtual elastic interface that transmits the first data packet. The information of the occupied physical port is carried in the first packet header information;

The interface device further includes a second receiving module 16, a decapsulation module 17 connected to the second receiving module 16, a physical port determining module 18 and a second sending module 19 respectively connected to the decapsulating module 17, and implementing The process of transmitting data packets sent by a virtual machine to an external physical device. The functions of each module are described as follows: The second receiving module 16 is configured to receive the second data packet by using the second virtual elastic interface, where the second data packet is encapsulated with the second packet header information, where the second packet header information carries the first Two physical port information;

The decapsulation module 17 is configured to decapsulate the second packet header information in the second data packet received by the second receiving module 16 to obtain the second packet header information, and remove the first Second data packet of the second header information;

The physical port determining module 18 is configured to determine, according to the information about the second physical port carried in the second packet header information that is decapsulated by the decapsulation module 17, to transmit the second data packet. Physical port

The second sending module 19 is configured to decapsulate the second data packet of the second packet header obtained by the decapsulation module 17 by using the second physical medium determined by the physical port determining module 18 The port is sent to an external physical device.

In addition to the interface device shown in FIG. 8, the second embodiment of the present invention further describes an interface device of another structure. As shown in FIG. 9, the interface device includes: a transceiver 21 and a processor 22, where: The transceiver 21 is configured to receive the first data packet sent by the external physical device by using the first physical port, and encapsulate the first packet header information by the processor 22 according to the first virtual elastic interface determined by the processor 22 Sending a data packet through the first virtual elastic interface;

The processor 22 is configured to determine, according to the occupation relationship between the first physical port and the virtual elastic interface, a first virtual elastic interface that transmits the first data packet, and according to the first virtual elastic interface and the virtual Corresponding relationship between the first virtual machine and the information of the first virtual machine corresponding to the first virtual elastic interface, and encapsulating the first packet header information in the first data packet, where the first packet header information is carried The information of the first virtual machine.

Preferably, the processor 22 is configured to: if the first physical port is exclusively occupied by a virtual elastic interface, determine that the virtual elastic interface is the first virtual elastic interface that transmits the first data packet, if the first The physical port is multiplexed by more than one virtual elastic interface, and the virtual elastic interface corresponding to the slice resource information is determined to transmit the first datagram according to the received slice resource information carried in the first data packet. The first virtual elastic interface of the text. Preferably, the processor 22 is specifically configured to: when the first virtual elastic interface that transmits the first data packet has a corresponding relationship with multiple virtual machines, determine one of the multiple virtual machines according to a load balancing condition. The virtual machine is the first virtual machine.

Preferably, the processor 22 is specifically configured to use the determined MAC address of the first virtual machine as a destination MAC address, use its own MAC address as a source MAC address, and transmit a first virtual data packet. The information of the physical port occupied by the elastic interface is carried in the first packet header information.

The transceiver 21 is further configured to receive the second data by using the second virtual elastic interface, where the second data packet is encapsulated with the second packet header information, where the second packet header information carries the first The information of the second physical port, and the second data packet that the processor 22 removes the second packet header information is sent to the external physical device by using the second physical port determined by the processor 22;

The processor 22 is configured to decapsulate the second packet header information in the second data packet to obtain the second packet header information and the second data packet with the second packet header information removed. And determining, according to the information of the second physical port carried in the second packet header, the second physical port that transmits the second data packet.

Embodiment 3:

Based on the system described in the first embodiment of the present invention and the data packet transmission process between the devices in the system, the third embodiment of the present invention describes a general processing device. As shown in FIG. 10, the universal processing device is created. There is at least one virtual machine, where: each virtual machine corresponds to one elastic virtual interface, and at least one virtual elastic interface occupies one physical port in the interface device.

The general processing device includes: a first receiving module 31, a virtual elastic interface determining module 32 connected to the first receiving module 31, and a device respectively connected to the virtual elastic interface determining module 32. The port determining module 33 and the first sending module 35, and the encapsulating module 34 connected to the physical port determining module 33, the modules cooperate with each other to implement the process of transmitting the virtual machine to the interface device, and the modules The function description is as follows:

The first receiving module 31 is configured to receive a second data packet sent by the second virtual machine, where the virtual elastic interface determining module 32 is configured to determine a second virtual elastic interface corresponding to the second virtual machine.

The physical port determining module 33 is configured to determine, according to an occupation relationship between the physical port and the second virtual elastic interface, information about the second physical port occupied by the second virtual elastic interface; Encapsulating the second data packet with the second data packet received by the first receiving module 31, where the second packet header information carries the second physics determined by the physical port determining module 33. Port information;

The first sending module 35 is configured to encapsulate, by the virtual elastic interface determining module, the second virtual elastic interface, and the encapsulating module 34 encapsulates the second data packet of the second packet header information. Send it.

Preferably, the physical port determining module 33 is specifically configured to: when the second virtual elastic interface monopolizes the second physical port, use the port number of the second physical port as the physical port information, or When the virtual elastic interface multiplexes the second physical port, the port number of the second physical port and the slice resource corresponding to the second virtual elastic interface are used as information of the physical port.

Preferably, the encapsulating module 34 is configured to carry the MAC address of the interface device as the destination MAC address and the MAC address of the second virtual machine as the source MAC address in the second packet header information. Encapsulating the second data packet.

The general processing device further includes: a second receiving module 36, a decapsulation module 37 connected to the second receiving module 36, a virtual machine determining module 38 and a second sending module 39 respectively connected to the decapsulating module 37 The process of transmitting data packets sent by the interface device to the virtual machine is implemented. The functions of each module are described as follows:

The second receiving module 36 is configured to receive the first data packet by using the first virtual elastic interface, where the first data packet encapsulates the first packet header information, where the first packet header information carries the first One Virtual machine information;

The decapsulation module 37 is configured to decapsulate the first packet header information in the first data packet received by the second receiving module 36 to obtain the first packet header information, and remove the first a first data message of the message header information;

The virtual machine determining module 38 is configured to determine, according to the information about the first virtual machine that is carried in the first packet header information that is decapsulated by the decapsulation module 37, that the first data packet is received. virtual machine;

The second sending module 39 is configured to send the first data packet that is decapsulated by the decapsulation module 37 to the first packet header information to the virtual machine determining module 38. A virtual machine.

In addition to the general-purpose processing device shown in FIG. 10, the third embodiment of the present invention further describes a general-purpose processing device of another structure, where the general-purpose processing device includes: a transceiver and a processor, where:

The transceiver is configured to receive a second data packet sent by the second virtual machine, and pass the second data packet that encapsulates the second packet header by the processor according to the second virtual elastic interface determined by the processor. Transmitting the second virtual elastic interface;

Determining, by the processor, a second virtual elastic interface corresponding to the second virtual machine, and determining, according to an occupation relationship between the physical port and the second virtual elastic interface, The information of the second physical port is used to encapsulate the second packet header information, and the second packet header information carries the information of the determined second physical port.

Preferably, the processor is specifically configured to: when the second virtual elastic interface monopolizes the second physical port, use the port number of the second physical port as the physical port information, or

When the second virtual elastic interface multiplexes the second physical port, the port number of the second physical port and the slice resource corresponding to the second virtual elastic interface are used as information of the physical port.

Preferably, the processor is specifically configured to: carry the MAC address of the interface device as the destination MAC address and the MAC address of the second virtual machine as the source MAC address in the second packet header information, where The second data packet is encapsulated.

The transceiver is further configured to receive, by using the first virtual elastic interface, a first data packet, where the first The data packet encapsulates the first packet header information, the first packet header information carries the information of the first virtual machine, and the processor is removed according to the first virtual machine determined by the processor. Sending, by the first data packet, the first data packet of the packet header information to the first virtual machine;

Those skilled in the art will appreciate that embodiments of the present application can be provided as a method, system, or computer program product. Thus, the application can be in the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the present application. It will be understood that each flow and/or block of the flowcharts and/or block diagrams, and combinations of flow and/or blocks in the flowcharts and/or block diagrams can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. Instructions are provided for implementation in the flowchart The steps of a process or a plurality of processes and/or block diagrams of a function specified in a block or blocks.

In a typical configuration, the computer device includes one or more processors

(CPU), input/output interface, network interface, and memory. The memory may include non-persistent memory, random access memory (RAM), and/or non-volatile memory in a computer readable medium, such as read only memory (ROM) or flash memory. Memory is an example of a computer readable medium. Computer readable media, including both permanent and non-persistent, removable and non-removable media, can be implemented by any method or technology. The information can be computer readable instructions, data structures, modules of programs, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read only memory. (ROM), electrically erasable programmable read only memory (EEPROM), flash memory or other memory technology, compact disk read only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, Magnetic tape cartridges, magnetic tape storage or other magnetic storage devices or any other non-transportable media that can be used to store information that can be accessed by computing devices. As defined herein, computer readable media does not include non-persistent computer readable media, such as modulated data signals and carrier waves.

While the preferred embodiment of the present application has been described, those skilled in the art can make further changes and modifications to these embodiments once the basic inventive concept is known. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all modifications and

It will be apparent that those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the application. Accordingly, it is intended that the present invention cover the modifications and variations of the invention, and the scope of the present invention.

Claims

Rights request

1. A data message transmission system, characterized in that the system includes: a general processing device and an interface device, at least one virtual machine is created in the general processing device, and at least one physical port is provided in the interface device , wherein: one of the physical ports is occupied by at least one virtual elastic interface, and each of the virtual elastic interfaces has a corresponding relationship with at least one virtual machine;

The interface device is configured to, when receiving the first data packet sent by the external physical device through the first physical port, determine to transmit the first data packet based on the occupancy relationship between the first physical port and the virtual elastic interface. the first virtual elastic interface of the file, and according to the corresponding relationship between the first virtual elastic interface and the virtual machine, determine the information of the first virtual machine that receives the first data file, and determine the determined first virtual machine. The information of a virtual machine is carried in the first packet header information. After the first packet header information is encapsulated in the first data packet, it is sent to the general processing through the determined first virtual elastic interface. equipment;

The general processing device is configured to, when receiving the first data packet, determine the first virtual machine that receives the first data packet according to the encapsulated first packet header information, and remove all The first data packet containing the first packet header information is sent to the first virtual machine.

2. The system of claim 1, characterized in that,

The general processing device is also configured to determine the second virtual elastic interface corresponding to the second virtual machine that sends the second data message, and determine the second virtual elastic interface according to the occupancy relationship between the physical port and the second virtual elastic interface. the information of the second physical port occupied by the second virtual elastic interface; and, carry the determined information of the second physical port in the second packet header information, and encapsulate the second data packet in the second physical port. After receiving the header information, send it to the interface device through the determined second virtual elastic interface;

The interface device is further configured to, when receiving the second data packet, remove the second packet header information based on the information of the second physical port carried in the encapsulated second packet header information. The second data packet is sent to the external physical device through the second physical port.

3. The system according to claim 1 or 2, characterized in that, The interface device is specifically configured to determine that the virtual elastic interface is the first virtual elastic interface that transmits the first data packet if the first physical port is exclusively occupied by a virtual elastic interface. If the port is multiplexed by more than one virtual elastic interface, then according to the slice resource information carried in the received first data message, it is determined that the virtual elastic interface corresponding to the slice resource information is used to transmit the first data message. The first virtual elastic interface.

4. The system according to any one of claims 1 to 3, characterized in that,

The interface device is specifically configured to determine one virtual machine from the multiple virtual machines according to load balancing conditions when the first virtual elastic interface transmitting the first data message has a corresponding relationship with multiple virtual machines. The first virtual machine.

5. The system according to any one of claims 1 to 4, characterized in that,

The interface device is specifically configured to use the determined media link control MAC address of the first virtual machine as the destination MAC address, use its own MAC address as the source MAC address, and transmit the first data packet. Information about the physical port occupied by the virtual elastic interface is carried in the first packet header information;

Wherein, when the first virtual elastic interface exclusively occupies the first physical port, the information of the first physical port occupied by the first virtual elastic interface is the port number of the physical port; or,

When the first virtual elastic interface multiplexes the first physical port, the information of the first physical port occupied by the first virtual elastic interface is the port number of the physical port corresponding to the first virtual elastic interface. slice resource information.

6. The system of claim 2, characterized in that,

The general processing device is specifically configured to carry the port number of the second physical port as the physical port information in the second packet header information when the second virtual elastic interface exclusively occupies the second physical port, or,

When the second virtual elastic interface multiplexes the second physical port, the port number of the second physical port and the slice resource information corresponding to the second virtual elastic interface are carried in the second message as the physical port information. in the header information.

7. The system according to claim 2 or 6, characterized in that, The general processing device is specifically configured to carry the MAC address of the interface device as the destination MAC address and the MAC address of the second virtual machine as the source MAC address in the second packet header information.

8. The system according to any one of claims 1 to 7, characterized in that the system further includes: a management device configured to create virtual elasticity according to the creation information in the application when receiving an application for creating a virtual elastic interface. interface, and sends the information of the physical port occupied by the created virtual elastic interface and the corresponding relationship with the virtual machine to the interface device and the general processing device; the creation information includes: the virtual elastic interface to be created The bandwidth to be occupied, the information of the corresponding virtual machine, and the information of the physical ports occupied.

9. A data message transmission system, characterized in that the system includes: an interface device and a general processing device, at least one virtual machine is created in the general processing device, and at least one physical port is provided in the interface device , wherein: one of the physical ports is occupied by at least one virtual elastic interface, and each of the virtual elastic interfaces has a corresponding relationship with at least one virtual machine;

The general processing device is used to determine the virtual elastic interface corresponding to the virtual machine that sends the second data message, and determine the virtual machine that sends the second data message based on the occupancy relationship between the physical port and the virtual elastic interface. Information about the physical port occupied by the corresponding virtual elastic interface, and carrying the determined physical port information in the second packet header information, and encapsulating the second packet header information in the second data packet. , sent to the interface device through the determined virtual elastic interface;

The interface device is further configured to, when receiving the second data message, remove the second data from the second message header information according to the physical port information carried in the encapsulated second message header information. The Gen text is sent to the external physical device through the corresponding physical port.

10. An interface device, characterized in that the interface device has at least one physical port, wherein: one of the physical ports is occupied by at least one virtual elastic interface, and each of the virtual elastic interfaces is connected to a general processing device. At least one virtual machine created has a corresponding relationship;

The interface device includes a first receiving module, a virtual elastic interface determining module connected to the first receiving module, a virtual machine determining module respectively connected to the virtual elastic interface determining module, and a first sending module, and an encapsulation module connected to the virtual machine determination module, wherein: the first receiving module is configured to receive the first data message sent by the external physical device through the first physical port;

The virtual elastic interface determination module is configured to determine the first virtual elastic interface for transmitting the first data message according to the occupancy relationship between the first physical port and the virtual elastic interface;

The virtual machine determination module is configured to determine the information of the first virtual machine corresponding to the first virtual elastic interface according to the corresponding relationship between the first virtual elastic interface and the virtual machine;

The encapsulation module is configured to encapsulate first header information in the first data packet, where the first header information carries the information of the first virtual machine determined by the virtual machine determination module; The first sending module is configured to send the first data message in which the first message header information is encapsulated by the encapsulation module through the first virtual elastic interface determined by the virtual elastic interface determination module.

11. The interface device according to claim 10, wherein the interface device further includes a second receiving module, a decapsulation module connected to the second receiving module, and a physical module connected to the decapsulation module respectively. port determination module and second sending module, where:

The second receiving module is configured to receive a second data message through a second virtual elastic interface. The second data message is encapsulated with second message header information, and the second message header information carries a third message. 2. Physical port information;

The decapsulation module is configured to decapsulate the second header information in the second data message received by the second receiving module to obtain the second header information and remove the second header information. The second data message of the message header information;

The physical port determination module is configured to determine the second physical port for transmitting the second data message based on the information of the second physical port carried in the second message header information decapsulated by the decapsulation module. port;

The second sending module is configured to send the second data message obtained by decapsulating the decapsulation module without the second message header information through the second physical port determined by the physical port determination module. to external physical devices.

12. The interface device according to claim 10 or 11, wherein the virtual elastic interface determination module is specifically configured to determine if the first physical port is exclusively occupied by a virtual elastic interface. The first virtual elastic interface transmits the first data packet. If the first physical port is multiplexed by more than one virtual elastic interface, the slice resource information carried in the received first data packet is , determining that the virtual elastic interface corresponding to the slice resource information is the first virtual elastic interface for transmitting the first data packet.

13. The interface device according to any one of claims 10 to 12, characterized in that,

The virtual machine determination module is specifically configured to determine a virtual machine from the plurality of virtual machines according to load balancing conditions when the first virtual elastic interface transmitting the first data message has a corresponding relationship with multiple virtual machines. The machine is the first virtual machine.

14. The interface device according to any one of claims 10 to 13, characterized in that,

The encapsulation module is specifically configured to use the determined MAC address of the first virtual machine as the destination MAC address, use its own MAC address as the source MAC address, and use the first virtual elastic interface to transmit the first data packet. Information about the occupied physical port is carried in the first packet header information;

15. A general processing device, characterized in that at least one virtual machine is created in the general processing device, wherein: each virtual machine corresponds to an elastic virtual interface, and at least one virtual elastic interface occupies a physical space in the interface device. port;

The general processing device includes: a first receiving module, a virtual elastic interface determining module connected to the first receiving module, a physical port determining module and a first sending module respectively connected to the virtual elastic interface determining module, and The physical port determines the encapsulated module to which the module is connected, where: The first receiving module is used to receive the second data message sent by the second virtual machine; the virtual elastic interface determination module is used to determine the second virtual elastic interface corresponding to the second virtual machine;

The physical port determination module is configured to determine the information of the second physical port occupied by the second virtual elastic interface according to the occupancy relationship between the physical port and the second virtual elastic interface; the encapsulation module is used For encapsulating the second packet header information for the second data packet received by the first receiving module, the second packet header information carries the second physical port determined by the physical port determination module. information;

The first sending module is configured to send the second data message in which the second message header information is encapsulated by the encapsulation module through the second virtual elastic interface determined by the virtual elastic interface determination module. .

16. The general processing device according to claim 15, characterized in that, the general processing device further includes: a second receiving module, a decapsulation module connected to the second receiving module, and a decapsulation module connected to the decapsulation module respectively. The connected virtual machine determines the module and the second sending module, where:

The second receiving module is configured to receive a first data message through a first virtual elastic interface. The first data message encapsulates first message header information, and the first message header information carries a third message. Information about a virtual machine;

The decapsulation module is configured to decapsulate the first header information in the first data message received by the second receiving module to obtain the first header information and remove the first header information. The first data packet of the packet header information;

The virtual machine determination module is configured to determine the first virtual machine that receives the first data message based on the information of the first virtual machine carried in the first message header information decapsulated by the decapsulation module. machine;

The second sending module is configured to send the first data message decapsulated by the decapsulation module with the first message header information removed to the first virtual machine determined by the virtual machine determination module. .

17. The general processing equipment according to claim 15 or 16, characterized in that, The physical port determination module is specifically configured to use the port number of the second physical port as the information of the physical port when the second virtual elastic interface exclusively occupies the second physical port, or,

When the second virtual elastic interface multiplexes the second physical port, the port number of the second physical port and the slice resource corresponding to the second virtual elastic interface are used as the information of the physical port.

18. The general processing device according to any one of claims 16 to 17, characterized in that the encapsulation module is specifically used to use the MAC address of the interface device as the destination MAC address and the second virtual machine's MAC address. The MAC address is carried in the second header information as the source MAC address to encapsulate the second data packet.

19. A data message transmission method, characterized in that the method includes:

When the interface device receives the first data packet sent by the external physical device through the first physical port, it determines the first data packet to transmit the first data packet based on the occupancy relationship between the first physical port and the virtual elastic interface. a virtual elastic interface, and determine the information of the first virtual machine that receives the first data message according to the corresponding relationship between the first virtual elastic interface and the virtual machine;

The interface device carries the determined information of the first virtual machine in the first packet header information, and after encapsulating the first packet header information in the first data packet, uses the determined third packet header information. A virtual elastic interface is sent to the general processing device;

When receiving the first data packet, the general processing device determines the first virtual machine that received the first data packet based on the encapsulated first packet header information, and removes the first packet. The first data packet of header information is sent to the first virtual machine;

Wherein, at least one virtual machine is created in the general processing device, there is at least one physical port in the interface device, one of the physical ports is occupied by at least one virtual elastic interface, and each of the virtual elastic interfaces is connected to at least one Virtual machines have corresponding relationships.

20. The method of claim 19, wherein the method further includes: the general processing device determines the second virtual elastic interface corresponding to the second virtual machine that sends the second data message, and determines the second virtual elastic interface according to the physical port The occupancy relationship with the second virtual elastic interface is to determine the information of the second physical port occupied by the second virtual elastic interface;

The general processing device carries the determined information of the second physical port in the second message header. In the information, after encapsulating the second header information in the second data packet, it is sent to the interface device through the determined second virtual elastic interface;

When receiving the second data packet, the interface device will remove the second data packet from the second packet header information based on the information of the second physical port carried in the encapsulated second packet header information. The message is sent to the external physical device through the corresponding second physical port.

21. The method according to claim 19 or 20, characterized in that the interface device determines the first virtual elastic interface for transmitting the first data message in the following manner:

If the first physical port is exclusively occupied by one virtual elastic interface, the interface device determines that the virtual elastic interface is the first virtual elastic interface that transmits the first data packet. If the first physical port is occupied by more than one virtual elastic interface, If one virtual elastic interface is multiplexed, the interface device determines, according to the slice resource information carried in the received first data message, that the virtual elastic interface corresponding to the slice resource information is used to transmit the first data message. The first virtual elastic interface.

22. The method according to any one of claims 19 to 21, characterized in that, when the first virtual elastic interface transmitting the first data message has a corresponding relationship with multiple virtual machines, the interface device adjusts the interface according to the load. The balancing condition determines one virtual machine from the plurality of virtual machines as the first virtual machine.

23. The method according to any one of claims 19 to 22, wherein the method further includes: the interface device also uses the determined MAC address of the first virtual machine as the destination MAC address, and uses its own MAC address as the destination MAC address. The MAC address is carried in the first packet header information as the source MAC address and the information of the physical port occupied by the first virtual elastic interface for transmitting the first data packet;

Wherein, when the first virtual elastic interface exclusively occupies the first physical port, the information of the first physical port occupied by the first virtual elastic interface is the port number of the physical port; or, in the third When a virtual elastic interface multiplexes the first physical port, the information of the first physical port occupied by the first virtual elastic interface is the port number of the physical port and the slice resource information corresponding to the first virtual elastic interface. .

24. The method according to any one of claims 20, characterized in that the general processing device carries the determined information of the second physical port in the second packet header information, specifically including:

When the second virtual elastic interface exclusively occupies the second physical port, the general processing device The port number of the second physical port is carried in the second packet header information as the physical port information, or when the second virtual elastic interface multiplexes the second physical port, the port number of the second physical port is The slice resource information corresponding to the number and the second virtual elastic interface is carried in the second packet header information as the physical port information.

25. The method according to claim 20 or 24, wherein the method further includes: the general processing device also uses the MAC address of the interface device as the destination MAC address and the second virtual machine's MAC address. The MAC address is carried in the second message header information as the source MAC address.

26. The method according to any one of claims 19 to 25, wherein the method further includes: when the management device receives an application to create a virtual elastic interface, create a virtual elastic interface according to the creation information in the application, so The above creation information includes: the bandwidth required by the virtual elastic interface to be created, the information of the corresponding virtual machine, and the information of the physical ports occupied;

The management device sends the information of the physical port occupied by the created virtual elastic interface and the corresponding relationship with the virtual machine to the interface device and the general processing device.

27. A data message transmission method, characterized in that the method further includes: the general processing device determines the virtual elastic interface corresponding to the virtual machine that sends the second data message, and determines the virtual elastic interface according to the relationship between the physical port and the virtual elastic interface. The occupancy relationship between the virtual machines determines the information on the physical ports occupied by the virtual elastic interfaces corresponding to the virtual machines;

The general processing device carries the information of the determined physical port in the second packet header information, encapsulates the second packet header information in the second data packet, and sends it through the determined virtual elastic interface. to said interface device;

When the interface device receives the second data message, according to the physical port information carried in the encapsulated second message header information, the second data message with the second message header information removed is passed through the corresponding The physical port is sent to the external physical device;