CN112583945A - Multi-network access method and device - Google Patents
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Abstract
The invention discloses a multi-network access method and a multi-network access device. Wherein, the method comprises the following steps: when one or more appointed special networks in a plurality of different project special networks are accessed, determining an IP address in an access request, wherein the IP address is used for network access; converting the IP address into a private IP address of a specified special network through a virtual router; and accessing the specified special network through the virtual network card and the private IP address. The invention solves the technical problems that multiple network cards and IPs are needed for multi-network access and the configuration is complex.
Description
Technical Field
The invention relates to the field of data processing, in particular to a multi-network access method and a multi-network access device.
Background
Openstack is a free software and open source project developed and launched by the cooperation of NASA (national aerospace agency) and Rackspace, licensed with the Apache license. Multiple network cards are typically configured to enable access to different networks. In practical application, the server needs to be configured with a plurality of network cards and IPs, and configuration complexity is increased.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a multi-network access method and a multi-network access device, which at least solve the technical problems that multiple network cards and IPs are required for multi-network access and the configuration is complex.
According to an aspect of an embodiment of the present invention, there is provided a multi-network access method, including: when one or more appointed special networks in a plurality of different project special networks are accessed, determining an IP address in an access request, wherein the IP address is used for network access; converting the IP address into a private IP address of the specified special network through a virtual router; and accessing the specified special network through a virtual network card and the private IP address.
Optionally, after determining the IP address in the access request, the method includes: and accessing a shared network of the plurality of special networks according to the IP address, wherein the shared network comprises shared data among the special networks of different projects, and the IP address is a preset IP address.
Optionally, before converting, by the virtual router, the IP address into a private IP address of the private network of a plurality of different projects, the method includes: and respectively establishing corresponding special networks for a plurality of different projects through the virtual network card.
Optionally, converting, by the virtual router, the IP address into a private IP address of the specified private network includes: establishing a virtual router; configuring a gateway for the special network needing to be accessed; and using the gateway to convert the IP address into a private IP address of the specified special network through a Network Address Translation (NAT).
Optionally, the converting, by using the gateway, the IP address into the private IP address of the specific network through a network address translation method NAT includes: receiving a preset private IP address of the private network of the project; and using the gateway to convert the IP address into a preset private IP address of the specified special network through a Network Address Translation (NAT).
According to another aspect of the embodiments of the present invention, there is also provided a multi-network access apparatus, including: the system comprises a determining module, a judging module and a judging module, wherein the determining module is used for determining an IP address in an access request when one or more appointed special networks in a plurality of different project special networks are accessed, and the IP address is used for network access; the conversion module is used for converting the IP address into a private IP address of the specified special network through a virtual router; and the first access module is used for accessing the specified special network through a virtual network card and the private IP address.
Optionally, the method further includes: and the second access module is used for accessing a shared network of the plurality of special networks according to the IP address, wherein the shared network comprises shared data among the special networks of different projects, and the IP address is a preset IP address.
Optionally, the method includes: and the establishing module is used for respectively establishing the special network for a plurality of different projects through the virtual network card.
According to another aspect of the embodiments of the present invention, there is also provided a storage medium, where the storage medium includes a stored program, and when the program runs, a device in which the storage medium is located is controlled to execute any one of the above methods.
According to another aspect of the embodiments of the present invention, there is also provided an electronic device, including at least one processor, at least one memory, and a bus; the processor and the memory complete mutual communication through the bus; the processor is configured to invoke program instructions in the memory to perform a multi-network access method as described in any one of the above.
In the embodiment of the invention, when one or more appointed special networks in a plurality of different project special networks are accessed, the IP address in the access request is determined, wherein the IP address is used for network access; converting the IP address into a private IP address of a specified special network through a virtual router; the method for accessing the specified special network comprises the steps of determining the access address of the special network of a plurality of projects by converting the IP address through a virtual network card and a private IP address, thereby accessing the plurality of networks of the plurality of projects, achieving the purpose of accessing the plurality of networks through a single network card and a single IP, further achieving the technical effect of reducing the complexity of configuration, and further solving the technical problems that the plurality of network cards and the IP are needed for accessing the plurality of networks and the configuration is complicated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 is a flow chart of a method of multiple network access according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a multi-network access device according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an apparatus according to an embodiment of the invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For convenience of description, some terms or expressions referred to in the embodiments of the present application are explained below:
NAT: the NAT method can be used when some hosts inside the private network have been assigned a local IP address (i.e., a private address used only within the private network) but now want to communicate with hosts on the internet (without encryption).
In accordance with an embodiment of the present invention, there is provided a method embodiment of a multiple network access method, it being noted that the steps illustrated in the flowchart of the figure may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that presented herein.
Fig. 1 is a flowchart of a multi-network access method according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, when one or more appointed special networks in a plurality of different project special networks are accessed, an IP address in the access request is determined, wherein the IP address is used for network access;
step S104, converting the IP address into a private IP address of a specified special network through a virtual router;
and step S106, accessing the appointed special network through the virtual network card and the private IP address.
Through the steps, when one or more appointed special networks in a plurality of different project special networks are accessed, the IP address in the access request is determined, wherein the IP address is used for network access; converting the IP address into a private IP address of a specified special network through a virtual router; the method for accessing the specified special network comprises the steps of determining the access address of the special network of a plurality of projects by converting the IP address through a virtual network card and a private IP address, thereby accessing the plurality of networks of the plurality of projects, achieving the purpose of accessing the plurality of networks through a single network card and a single IP, further achieving the technical effect of reducing the complexity of configuration, and further solving the technical problems that the plurality of network cards and the IP are needed for accessing the plurality of networks and the configuration is complicated.
The access request can come from an external network, such as the internet, the internet can access an internal network through the IP address, and before entering the internal network, the IP address is converted into the private IP addresses of special networks of different projects of a plurality of internal networks through the virtual router.
The project can be an access object of the access request, the special network can be a virtual private network VPN of an intranet virtual network card framework, the private IP address is invisible to an access person, one IP address can represent the private IP addresses of a plurality of projects, occupation of the IP addresses is reduced, the problem that a plurality of different IPs are needed for accessing a plurality of networks is avoided, and complexity of system configuration is reduced.
The establishment of the special network can be realized through the virtual network card, and the different projects can be effectively accessed according to the private IP address.
The IP address is only used for establishing one IP address to establish an access request, so the IP address can be manually set, after one IP address is set, one access request is generated, the access request can be transmitted to the virtual router and is converted by the virtual router, a plurality of private IP addresses are provided, and a plurality of special networks of different projects are accessed.
Optionally, after determining the IP address in the access request, the method includes: and accessing a shared network of a plurality of special networks according to the IP address, wherein the shared network comprises shared data among the special networks of different projects, and the IP address is a preset IP address.
The shared network can ensure the data sharing among the projects, and the different projects are only a special network established by the virtual network card in the intranet. The special networks of different projects are isolated from each other and do not communicate with each other, so that in the prior art, different projects need to share data, and a network needs to be established on the case of different projects through IP addresses and virtual network cards, so that the burden of the network cards is increased, and the system configuration is more complicated. By adopting the above-mentioned network sharing mode, all projects can indirectly share data with other projects through the network sharing mode. The problem that the system configuration is more complex due to the mode is effectively solved.
Therefore, before converting an IP address into a private IP address of a plurality of different project specific networks through a virtual router, the method includes: and respectively establishing corresponding special networks for a plurality of different projects through the virtual network card.
Optionally, converting, by the virtual router, the IP address into a private IP address of the specified private network includes: establishing a virtual router; configuring a gateway for a special network needing to be accessed; and using the gateway to convert the IP address into a private IP address of the specified special network through a network address translation method NAT.
The gateway is used for buffering data communication between different networks, and the NAT software is installed in the virtual router to convert a single IP address into a private IP address of a special network so as to access a plurality of special networks of different projects.
Optionally, the step of using the gateway to convert the IP address into the private IP address of the specific network through the NAT includes: receiving a preset private IP address of a project special network; and the gateway is used for converting the IP address into a preset private IP address of the specified special network through a network address conversion method NAT.
The NAT software may receive manual setting in the process of converting the single IP address, and the preset private IP address may be manually set, may be preset, or may make a request to the relevant device when manual setting is required.
It should be noted that this embodiment also provides an alternative implementation, which is described in detail below.
In the embodiment, a single network card and a single IP are configured on the server, and a plurality of networks can be accessed by realizing the single network card and the single IP through Nat, configuration server and gateway routing, so that the configuration of the server is simplified.
And establishing a special network used by the virtual machine.
Network 1 and network 2 are established.
And establishing a virtual route, and configuring the virtual route as a default gateway by using a special network. Network 1 is accessed through Nat using a default gateway.
And occupying the specified IP in the special network.
The second gateway is configured in the virtual route using the specified IP.
The route is configured on the second gateway to access the network 2 via Nat.
The embodiment simplifies the network configuration of the virtual machine through the steps. And the single IP can realize multi-network access.
Fig. 2 is a schematic diagram of a multi-network access apparatus according to an embodiment of the present invention, and as shown in fig. 2, according to another aspect of the embodiment of the present invention, there is also provided a multi-network access apparatus, including: a determination module 22, a translation module 24 and a first access module 26, which are described in detail below.
A determining module 22, configured to determine an IP address in the access request when accessing one or more specified special networks in the special networks of multiple different projects, where the IP address is used for network access; a conversion module 24 connected to the determination module 22, for converting the IP address into a private IP address of a specific network through a virtual router; and the first access module 26 is connected with the conversion module 24 and is used for accessing the specified special network through the virtual network card and the private IP address.
By the device, when the determining module 22 is used for accessing one or more specified special networks in the special networks of a plurality of different projects, the determining module determines the IP address in the access request, wherein the IP address is used for network access; the conversion module 24 converts the IP address into a private IP address of a specified private network through a virtual router; the first access module 26 determines the access addresses of the special networks of a plurality of projects by converting the IP addresses in a manner of accessing the specified special networks through the virtual network card and the private IP addresses, so as to access the multiple networks of the plurality of projects, thereby achieving the purpose of accessing the multiple networks through a single network card and a single IP, thereby achieving the technical effect of reducing the complexity of configuration, and further solving the technical problems that the multiple network access requires a plurality of network cards and IPs and the configuration is complicated.
The data processing apparatus comprises a processor and a memory, the determining module 22, the converting module 24 and the first accessing module 26 are stored in the memory as program module units, and the processor executes the program module units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the Wien diagram and the keywords are displayed simultaneously by adjusting the kernel parameters, so that the use effect is improved.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
Optionally, the method further includes: and the second access module is used for accessing the shared network of the plurality of special networks according to the IP address, wherein the shared network comprises shared data among the special networks of different projects, and the IP address is a preset IP address.
Optionally, the method includes: and the establishing module is used for respectively establishing a special network for a plurality of different projects through the virtual network card.
According to another aspect of the embodiments of the present invention, there is also provided a storage medium including a stored program, wherein when the program runs, a device in which the storage medium is located is controlled to execute the method of any one of the above.
According to another aspect of the embodiments of the present invention, there is also provided a processor, configured to execute a program, where the program executes to perform the method of any one of the above.
An apparatus is provided in an embodiment of the present invention, fig. 3 is a schematic structural diagram of an apparatus according to an embodiment of the present invention, and as shown in fig. 3, an apparatus 300 includes at least one processor 301, and at least one memory 302 and a bus 303 connected to the processor 301; wherein, the processor 301 and the memory 302 complete the communication with each other through the bus 303; the processor 301 is used to call program instructions in the memory 302 to perform the above-described method of web embedded application interaction. The device herein may be a server, a PC, a PAD, a mobile phone, etc.
According to another aspect of the embodiments of the present invention, there is also provided an electronic device, including at least one processor, at least one memory, and a bus; the processor and the memory complete mutual communication through the bus; the processor is configured to invoke program instructions in the memory to perform a multi-network access method as described in any one of the above.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the processor executes the program and realizes the following steps: when one or more appointed special networks in a plurality of different project special networks are accessed, determining an IP address in an access request, wherein the IP address is used for network access; converting the IP address into a private IP address of a specified special network through a virtual router; and accessing the specified special network through the virtual network card and the private IP address.
Optionally, after determining the IP address in the access request, the method includes: and accessing a shared network of a plurality of special networks according to the IP address, wherein the shared network comprises shared data among the special networks of different projects, and the IP address is a preset IP address.
Optionally, before converting the IP address into a private IP address of a plurality of different project specific networks through the virtual router, the method includes: and respectively establishing corresponding special networks for a plurality of different projects through the virtual network card.
Optionally, converting, by the virtual router, the IP address into a private IP address of the specified private network includes: establishing a virtual router; configuring a gateway for a special network needing to be accessed; and using the gateway to convert the IP address into a private IP address of the specified special network through a network address translation method NAT.
Optionally, the step of using the gateway to convert the IP address into the private IP address of the specific network through the NAT includes: receiving a preset private IP address of a project special network; and the gateway is used for converting the IP address into a preset private IP address of the specified special network through a network address conversion method NAT.
The device in the application can be a server, a PC, a PAD, a mobile phone and the like.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: when one or more appointed special networks in a plurality of different project special networks are accessed, determining an IP address in an access request, wherein the IP address is used for network access; converting the IP address into a private IP address of a specified special network through a virtual router; and accessing the specified special network through the virtual network card and the private IP address.
Optionally, after determining the IP address in the access request, the method includes: and accessing a shared network of a plurality of special networks according to the IP address, wherein the shared network comprises shared data among the special networks of different projects, and the IP address is a preset IP address.
Optionally, before converting the IP address into a private IP address of a plurality of different project specific networks through the virtual router, the method includes: and respectively establishing corresponding special networks for a plurality of different projects through the virtual network card.
Optionally, converting, by the virtual router, the IP address into a private IP address of the specified private network includes: establishing a virtual router; configuring a gateway for a special network needing to be accessed; and using the gateway to convert the IP address into a private IP address of the specified special network through a network address translation method NAT.
Optionally, the step of using the gateway to convert the IP address into the private IP address of the specific network through the NAT includes: receiving a preset private IP address of a project special network; and the gateway is used for converting the IP address into a preset private IP address of the specified special network through a network address conversion method NAT.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a device includes one or more processors (CPUs), memory, and a bus. The device may also include input/output interfaces, network interfaces, and the like.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip. The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, 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 disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined in this embodiment, the computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may 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, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A multi-network access method, comprising:
when one or more appointed special networks in a plurality of different project special networks are accessed, determining an IP address in an access request, wherein the IP address is used for network access;
converting the IP address into a private IP address of the specified special network through a virtual router;
and accessing the specified special network through a virtual network card and the private IP address.
2. The method of claim 1, after determining the IP address in the access request, comprising:
and accessing a shared network of the plurality of special networks according to the IP address, wherein the shared network comprises shared data among the special networks of different projects, and the IP address is a preset IP address.
3. The method of claim 1, prior to translating, by a virtual router, the IP address to a private IP address of the private network of a plurality of different projects, comprising:
and respectively establishing corresponding special networks for a plurality of different projects through the virtual network card.
4. The method of claim 3, wherein translating, by a virtual router, the IP address to a private IP address of the specified private network comprises:
establishing a virtual router;
configuring a gateway for the special network needing to be accessed;
and using the gateway to convert the IP address into a private IP address of the specified special network through a Network Address Translation (NAT).
5. The method of claim 4, wherein translating, using the gateway, the IP address to the private IP address of the specified private network via a network address translation method (NAT) comprises:
receiving a preset private IP address of the private network of the project;
and using the gateway to convert the IP address into a preset private IP address of the specified special network through a Network Address Translation (NAT).
6. A multi-network access device, comprising:
the system comprises a determining module, a judging module and a judging module, wherein the determining module is used for determining an IP address in an access request when one or more appointed special networks in a plurality of different project special networks are accessed, and the IP address is used for network access;
the conversion module is used for converting the IP address into a private IP address of the specified special network through a virtual router;
and the first access module is used for accessing the specified special network through a virtual network card and the private IP address.
7. The apparatus of claim 6, further comprising:
and the second access module is used for accessing a shared network of the plurality of special networks according to the IP address, wherein the shared network comprises shared data among the special networks of different projects, and the IP address is a preset IP address.
8. The apparatus of claim 6, comprising:
and the establishing module is used for respectively establishing the special network for a plurality of different projects through the virtual network card.
9. A storage medium, characterized in that the storage medium comprises a stored program, wherein the program, when executed, controls an apparatus in which the storage medium is located to perform the method of any one of claims 1 to 5.
10. An electronic device comprising at least one processor, at least one memory, and a bus; the processor and the memory complete mutual communication through the bus; the processor is configured to invoke program instructions in the memory to perform the multi-network access method of any of claims 1-7.
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