CN114285856A - IPV4 external link access method and device - Google Patents
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Abstract
The specification provides an IPV4 external link access method and device, wherein a virtual service with an IPV6 is configured for a load balancing device, and a plurality of real service groups with IPV4 addresses are configured for the virtual service. When the load balancing equipment receives an external chain acquisition request of an IPV6 user, and the type of the acquired external chain is determined to be IPV4 external chain, the IP address of the virtual service is added in the external chain, and the rewritten external chain with the added IP address is returned to the IPV6 user. When receiving an access request of an IPV6 user for rewriting an external link, the virtual service determines a real server loading the access request according to a domain name included in the rewriting external link, and forwards the access request to the determined real server, so that the IPV6 user can access the IPV4 external link according to the real server with an IPV4 address.
Description
Technical Field
The present specification relates to the field of computer application technologies, and in particular, to an IPV4 out-link access method and apparatus.
Background
Internet Protocol version 4 (IPv 4) is a widely used network Protocol, supporting IPv4 network devices that have 32-bit IP addresses in network communications. With the development of the internet, the number of internet users increases, and the 32-bit IP address of the IPV4 is being used up. In order to prevent the exhaustion of IP addresses, a new Internet Protocol version 6 (IPv 6) is introduced, and the IPv6 specifies an IP address length of 128 bits. Currently, some internet users or applications are completing the upgrade of IPV4 to IPV6 to better accommodate the rapid growth of current networks.
Some internet sites have not been upgraded to IPV6, resulting in some sites having servers using IPV6 addresses and some sites having servers using IPV4 addresses. There may be references between web sites, such as a web site link (called an out-link) with an address of IPV4 in a web site page with an address of IPV 6. However, because the IPV4 address and the IPV6 address cannot be communicated with each other, when a user at the IPV6 address accesses a website at the IPV6 address, if an external link at the IPV4 address exists in the website, the user at the IPV6 address cannot successfully open the external link at the IPV4 address, which affects the user experience.
Disclosure of Invention
In order to overcome the problem that the external chain of the IPV4 cannot be accessed in the related art, the present specification provides a method and an apparatus for accessing the external chain of the IPV 4.
According to a first aspect of the embodiments of the present specification, there is provided an IPV4 out-link access method applied to a load balancing device, where the load balancing device is configured with a virtual service, the virtual service has an IP address of IPV6 type, the virtual service is configured with a real service group, and the real service group includes several real servers with IPV4 addresses; the method comprises the following steps:
receiving an external link acquisition request of an IPV6 user; in the event that it is determined that the obtained out-link type is an IPV4 out-link, adding an IP address of the virtual service in the out-link; taking the external link added with the IP address as a rewriting external link, and returning the rewriting external link to the IPV6 user;
the virtual service receives an access request of an IPV6 user for rewriting the external chain; and determining a real server for receiving the access request according to the domain name contained in the rewriting outer chain, and forwarding the access request of the IPV6 user to the determined real server so as to enable the user to access the IPV4 outer chain.
According to a second aspect of the embodiments of the present specification, there is provided an IPV4 out-link access apparatus for use in a load balancing device, where the load balancing device is configured with a virtual service, the virtual service has an IP address of IPV6 type, the virtual service is configured with a real service group, and the real service group includes a number of real servers with IPV4 addresses; the device comprises:
the external link acquisition request receiving module is used for receiving an external link acquisition request of an IPV6 user;
a virtual service IP address adding module, configured to add an IP address of the virtual service in the external link if it is determined that the obtained external link type is an IPV4 external link;
the rewriting outer chain returning module is used for taking the outer chain with the added IP address as a rewriting outer chain and returning the rewriting outer chain to the IPV6 user;
an access request receiving module, configured to receive, by the virtual service, an access request of the IPV6 user for rewriting the external link;
a real server determining module, configured to determine, according to the domain name included in the rewritten outer link, a real server that receives the access request;
and the forwarding module is used for forwarding the access request of the IPV6 user to the determined real server.
According to a third aspect of embodiments herein, there is provided a computer readable storage medium, having stored thereon a computer program, which when executed by a processor, implements the IPV4 out-link access method described above.
According to a fourth aspect of embodiments herein, there is provided a computer apparatus comprising:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the above-described IPV4 out-link access method.
The specification provides an IPV4 external link access method and device, wherein a virtual service with an IPV6 is configured for a load balancing device, and a plurality of real service groups with IPV4 addresses are configured for the virtual service. When the load balancing equipment receives an external chain acquisition request of an IPV6 user, and the type of the acquired external chain is determined to be IPV4 external chain, the IP address of the virtual service is added in the external chain, and the rewritten external chain with the added IP address is returned to the IPV6 user. When receiving an access request of an IPV6 user for rewriting an external link, the virtual service determines a real server loading the access request according to a domain name included in the rewriting external link, and forwards the access request to the determined real server, so that the IPV6 user can access the IPV4 external link according to the real server with an IPV4 address.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the specification.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present specification and together with the description, serve to explain the principles of the specification.
FIG. 1 is a flow chart illustrating a method for IPV4 out-link access according to an exemplary embodiment of the present description.
FIG. 2 is a block diagram illustrating an IPV4 out-link access device in accordance with an exemplary embodiment of the present description.
Fig. 3 is a hardware block diagram of a computer device in which an IPV4 out-link access device is shown, according to an example embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present specification. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the specification, as detailed in the appended claims.
The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the description. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present specification. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
The following provides a detailed description of examples of the present specification.
The specification shows an IPV4 external link access method, which is applied to a load balancing device, wherein the load balancing device is configured with a virtual service, the virtual service has an IP address of an IPV6 type, the virtual service is configured with a real service group, and the real service group comprises a plurality of real servers with IPV4 addresses.
First, the load balancing device mentioned in this specification is described, and the load balancing device is associated with a plurality of web servers for converting IPV4 external links in associated web pages, so that IPV6 users can access IPV4 external links in IPV6 website.
The load balancing device is also provided with a virtual service for forwarding the access request of the user to the corresponding IPV4 real server. In addition, the server in the real service group may be a server of a web page corresponding to an out-link of the IPV4, or may be a network device connected to the server of the web page corresponding to the out-link, so that the access request of the user may be forwarded to the server of the corresponding web page through the IPV4 real server. Furthermore, in addition to the above, there is a need to configure ports and protocols used for virtual services.
Specifically, when the user equipment detects the access intention of the user to the external link, an acquisition request for the external link is sent to the web server, the web server sends the external link to the load balancing equipment after acquiring the external link, the load balancing equipment detects whether the current external link is an IPV4 external link, if the current external link is an IPV4 external link, the external link is rewritten, that is, an IP address of a virtual service is added to the external link, and the rewritten external link (hereinafter, rewritten external link) is returned to the user. When the user clicks the rewrite external link, the user equipment can access the IP address contained in the rewrite external link according to the preset setting, namely virtual service, and the virtual service determines the corresponding IPV4 real server according to the external link, so that the user can access the IPV4 real server.
After the load balancing apparatus and the scheme are explained in their entirety, the specific steps of the IPV4 out-link access method shown in this specification will be explained below. As shown in fig. 1, fig. 1 is a flowchart illustrating an IPV4 out-link access method according to an exemplary embodiment of the present description, including the following steps:
In other words, the load balancing device is responsible for rewriting IPV4 addresses in associated IPV6 web pages (i.e. the servers of the web pages have IPV6 addresses) servers, so that the out-links on the web pages on IPV6 user equipment (i.e. the user equipment having only IPV6 addresses) are rewritten out-links, thereby enabling further access to the servers corresponding to the out-links according to the rewritten out-links accessing the virtual services.
Receiving an external link acquisition request of an IPV6 user specifically includes: an out-link acquisition request of an IPV6 user is received, the out-link acquisition request being sent by an IPV6 user device upon detection of an intent to access to an out-link.
In other words, the request for acquiring the external link is determined by the access intention of the external link of the user, so that the rewritten external link is acquired without the need of clicking by the user, the process of loading the external link is accelerated, and the use experience of the user is improved.
In this case, the access intention may be to detect that the mouse pointer of the user stops on the outer link, or may detect that the staying time of the user on the current page exceeds a preset threshold, which is not limited in this specification.
In addition, the external link acquisition request of the user can also be triggered and sent by clicking the external link by the user, so that useless external link acquisition is reduced, and the processing efficiency of the load balancing equipment is improved.
The virtual service address is added in the external chain, so that the user equipment can direct an access request for the external chain to the IP address contained in the external chain when detecting that the external chain needing to be accessed contains the IP address according to the preset setting, and thus, the user can access the IPV4 external chain through the virtual service configured on the load balancing equipment.
Furthermore, the method further comprises: in the event that it is determined that the obtained out-link type is an IPV6 out-link, the out-link is returned directly to the IPV6 user.
In other words, if the out-link is an IPV6 out-link, the user does not rewrite the out-link, and normally accesses the IPV6 out-link according to the original web page access flow.
Specifically, when the user accesses the external link, the access request is sent to the IP address included in the rewritten external link, so that the virtual service receives the access request for the rewritten external link, determines the real server that enables the user to access the IPV4 external link, and uses the determined real server as the server that loads the access request.
The virtual service receiving the access request of the IPV6 user for rewriting the external link may be sending the access request for rewriting the external link to the virtual service when the user clicks the external link (the rewriting external link is already displayed in the web page before the user clicks), or may be executed after the user clicks the external link and acquires the rewriting external link, which is not limited in this specification.
Determining to load the real server corresponding to the access request according to the domain name included in the rewritten outer chain, including: determining an IP address corresponding to the domain name contained in the rewritten outer chain according to the domain name contained in the rewritten outer chain and the corresponding relation between the domain name of the outer chain and the IP address; and determining the real server for receiving the access request according to the determined IP address and the address of each real server in the real service group.
The determining the real server may be a server containing IPV4 out-link content, that is, a server of a web page corresponding to IPV4 out-link, that is, determining the real server receiving the access request according to the determined IP address and the address of each real server in the real service group, including: and according to the determined IP address, finding the real server which is the same as the determined IP address in the real service group. Or may be a network device that forwards the access request to a web server corresponding to the IPV4 out-link.
As can be seen from the above description, the present specification provides an IPV4 out-link access method and apparatus, by configuring a virtual service with IPV6 for a load balancing device, and configuring a real service group including IPV4 addresses for the virtual service. When the load balancing equipment receives an external chain acquisition request of an IPV6 user, and the type of the acquired external chain is determined to be IPV4 external chain, the IP address of the virtual service is added in the external chain, and the rewritten external chain with the added IP address is returned to the IPV6 user. When receiving an access request of an IPV6 user for rewriting an external link, the virtual service determines a real server loading the access request according to a domain name included in the rewriting external link, and forwards the access request to the determined real server, so that the IPV6 user can access the IPV4 external link according to the real server with an IPV4 address.
The IPV4 out-link access method shown in the present specification will be described below with a specific embodiment.
In this particular embodiment of the present specification, the server of IPV6 webpage is associated with a load balancing device, the load balancing device rewrites the external link, and forwards the user's access request for the external link to the server containing the external link content. It should be noted that the load balancing device may serve only one server of the IPV6 web page, or may serve multiple servers of external link web pages, which is not limited in this specification.
Firstly, before the method is executed, the following configurations need to be newly built on the load balancing device:
a real Server1, a real Server2, a real Server3 of the IPV4 type are configured. In other words, all external links in the IPV6 web pages need to be collected, the external link real server containing each web page needs to be determined, and the determined real server is used as the IPV4 type real server configured as the load balancing device. And configures a real service group to reference a real Server1, a real Server2, and a real Server 3. Configuring an IP address and a port number of a virtual service of an IPV6 type, setting a communication protocol for the virtual service, and selecting the real service group as a real service group of the virtual service for the service.
When the load balancing equipment receives an external link acquisition request, the domain name www.test.com of the external link is found to be an IPV4 address (a method for specifically determining the type of the external link can be determined according to the prestored corresponding relation between the external link and the IP address/the type of the IP address, or the IP address corresponding to the external link can be acquired from a DNS server so as to determine the type of the IP address), an external link rewriting flow is started, the external link http:// www.test.com is rewritten into http://2018::100/www.test.com (the external link is rewritten, 2018::100 is the IP address of the virtual service), and the rewritten external link is returned to the client.
After the client clicks the rewriting outer chain, the access request is sent to the virtual service in the rewriting outer chain, and after the virtual service receives the access request, the virtual service determines that the real Server1 contains the resource of the outer chain according to the outer chain domain name contained in the access request, and forwards the access request to the Server1, so that the user can access the resource of the outer chain.
Corresponding to the embodiments of the method, the present specification also provides embodiments of the apparatus and the terminal applied thereto.
As shown in fig. 2, fig. 2 is a block diagram of an IPV4 out-link access apparatus applied to a load balancing device configured with a virtual service having an IP address of IPV6 type, the virtual service configured with a real service group including a number of real servers having IPV4 addresses according to an exemplary embodiment; the device comprises:
an external link acquisition request receiving module 210, configured to receive an external link acquisition request of an IPV6 user;
a virtual service IP address adding module 220, configured to add an IP address of the virtual service in the external link if it is determined that the obtained external link type is IPV4 external link;
a rewritten outer chain returning module 230, configured to take the outer chain with the added IP address as a rewritten outer chain, and return the rewritten outer chain to the IPV6 user;
an access request receiving module 240, configured to receive, by the virtual service, an access request of the IPV6 user for rewriting the external link;
a real server determining module 250, configured to determine, according to the domain name included in the rewritten outer chain, a real server that receives the access request;
and the forwarding module 260 is used for forwarding the access request of the IPV6 user to the determined real server.
The real server determining module 250 is specifically configured to: determining an IP address corresponding to the domain name contained in the rewritten outer chain according to the domain name contained in the rewritten outer chain and the corresponding relation between the domain name of the outer chain and the IP address; and determining the real server for receiving the access request according to the determined IP address and the address of each real server in the real service group.
The external link acquisition request receiving module 210 is specifically configured to: an out-link acquisition request of an IPV6 user is received, the out-link acquisition request being sent by an IPV6 user device upon detection of an intent to access to an out-link.
Furthermore, the apparatus further comprises: an out-link return module 270 for returning the obtained out-link directly to the IPV6 user if it is determined that the out-link type is an IPV6 out-link.
The implementation process of the functions and actions of each module in the above device is specifically described in the implementation process of the corresponding step in the above method, and is not described herein again.
For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, wherein the modules described as separate parts may or may not be physically separate, and the parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution in the specification. One of ordinary skill in the art can understand and implement it without inventive effort.
As shown in fig. 3, fig. 3 is a hardware structure diagram of a computer device in which an external link access apparatus of IPV4 is located, where the device may include: a processor 1010, a memory 1020, an input/output interface 1030, a communication interface 1040, and a bus 1050. Wherein the processor 1010, memory 1020, input/output interface 1030, and communication interface 1040 are communicatively coupled to each other within the device via bus 1050.
The processor 1010 may be implemented by a general-purpose CPU (Central Processing Unit), a microprocessor, an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits, and is configured to execute related programs to implement the technical solutions provided in the embodiments of the present disclosure.
The Memory 1020 may be implemented in the form of a ROM (Read Only Memory), a RAM (Random Access Memory), a static storage device, a dynamic storage device, or the like. The memory 1020 may store an operating system and other application programs, and when the technical solution provided by the embodiments of the present specification is implemented by software or firmware, the relevant program codes are stored in the memory 1020 and called to be executed by the processor 1010.
The input/output interface 1030 is used for connecting an input/output module to input and output information. The i/o module may be configured as a component in a device (not shown) or may be external to the device to provide a corresponding function. The input devices may include a keyboard, a mouse, a touch screen, a microphone, various sensors, etc., and the output devices may include a display, a speaker, a vibrator, an indicator light, etc.
The communication interface 1040 is used for connecting a communication module (not shown in the drawings) to implement communication interaction between the present apparatus and other apparatuses. The communication module can realize communication in a wired mode (such as USB, network cable and the like) and also can realize communication in a wireless mode (such as mobile network, WIFI, Bluetooth and the like).
It should be noted that although the above-mentioned device only shows the processor 1010, the memory 1020, the input/output interface 1030, the communication interface 1040 and the bus 1050, in a specific implementation, the device may also include other components necessary for normal operation. In addition, those skilled in the art will appreciate that the above-described apparatus may also include only those components necessary to implement the embodiments of the present description, and not necessarily all of the components shown in the figures.
Embodiments of the present specification also provide a computer-readable storage medium on which a computer program is stored, where the computer program, when executed by a processor, implements the IPV4 out-link access method according to embodiments of the present specification.
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 herein, computer readable media does not include transitory computer readable media (transmyedia) such as modulated data signals and carrier waves.
The foregoing description has been directed to specific embodiments of this disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
Other embodiments of the present description will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This specification is intended to cover any variations, uses, or adaptations of the specification following, in general, the principles of the specification and including such departures from the present disclosure as come within known or customary practice within the art to which the specification pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the specification being indicated by the following claims.
It will be understood that the present description is not limited to the precise arrangements described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present description is limited only by the appended claims.
The above description is only a preferred embodiment of the present disclosure, and should not be taken as limiting the present disclosure, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.
Claims (10)
1. An IPV4 external link access method is applied to a load balancing device, wherein the load balancing device is configured with a virtual service, the virtual service has an IP address of an IPV6 type, the virtual service is configured with a real service group, and the real service group comprises a plurality of real servers with IPV4 addresses; the method comprises the following steps:
receiving an external link acquisition request of an IPV6 user; in the event that it is determined that the obtained out-link type is an IPV4 out-link, adding an IP address of the virtual service in the out-link; taking the external link added with the IP address as a rewriting external link, and returning the rewriting external link to the IPV6 user;
the virtual service receives an access request of an IPV6 user for rewriting the external chain; and determining a real server for receiving the access request according to the domain name contained in the rewriting outer chain, and forwarding the access request of the IPV6 user to the determined real server so as to enable the user to access the IPV4 outer chain.
2. The method according to claim 1, wherein the determining to load the real server corresponding to the access request according to the domain name included in the rewritten outer chain comprises:
determining an IP address corresponding to the domain name contained in the rewritten outer chain according to the domain name contained in the rewritten outer chain and the corresponding relation between the domain name of the outer chain and the IP address;
and determining the real server for receiving the access request according to the determined IP address and the address of each real server in the real service group.
3. The method according to claim 1, wherein said receiving an out-link acquisition request from an IPV6 user comprises:
an out-link acquisition request of an IPV6 user is received, the out-link acquisition request being sent by an IPV6 user device upon detection of an intent to access to an out-link.
4. The method of claim 1, further comprising:
in the event that it is determined that the obtained out-link type is an IPV6 out-link, the out-link is returned directly to the IPV6 user.
5. An IPV4 external link access device, which is applied to a load balancing device, wherein the load balancing device is configured with a virtual service, the virtual service has an IP address of IPV6 type, the virtual service is configured with a real service group, and the real service group comprises a plurality of real servers with IPV4 addresses; the device comprises:
the external link acquisition request receiving module is used for receiving an external link acquisition request of an IPV6 user;
a virtual service IP address adding module, configured to add an IP address of the virtual service in the external link if it is determined that the obtained external link type is an IPV4 external link;
the rewriting outer chain returning module is used for taking the outer chain with the added IP address as a rewriting outer chain and returning the rewriting outer chain to the IPV6 user;
an access request receiving module, configured to receive, by the virtual service, an access request of the IPV6 user for rewriting the external link;
a real server determining module, configured to determine, according to the domain name included in the rewritten outer link, a real server that receives the access request;
and the forwarding module is used for forwarding the access request of the IPV6 user to the determined real server.
6. The apparatus of claim 5, wherein the real server determination module is specifically configured to:
determining an IP address corresponding to the domain name contained in the rewritten outer chain according to the domain name contained in the rewritten outer chain and the corresponding relation between the domain name of the outer chain and the IP address;
and determining the real server for receiving the access request according to the determined IP address and the address of each real server in the real service group.
7. The apparatus of claim 5, wherein the outer-chain acquisition request receiving module is specifically configured to:
an out-link acquisition request of an IPV6 user is received, the out-link acquisition request being sent by an IPV6 user device upon detection of an intent to access to an out-link.
8. The apparatus of claim 5, further comprising:
an out-link return module for returning the out-link directly to the IPV6 user if it is determined that the obtained out-link type is an IPV6 out-link.
9. A computer-readable storage medium, having stored thereon a computer program which, when executed by a processor, implements the IPV4 out-link access method of any one of claims 1-4.
10. A computer device, characterized in that the computer device comprises:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the IPV4 out-link access method of any one of claims 1-4.
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