CN114285856B - IPV4 external link access method and device - Google Patents
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Abstract
The present disclosure provides an IPV4 outbound access method and apparatus, by configuring a virtual service with IPV6 for a load balancing device, and configuring the virtual service with a real service group including a plurality of addresses with IPV 4. When the load balancing equipment receives an external link acquisition request of an IPV6 user, under the condition that the acquired external link type is determined to be an IPV4 external link, adding an IP address of a virtual service in the external link, and returning a rewritten external link after the IP address is added to the IPV6 user. When the virtual service receives an access request of an IPV6 user for rewriting an external chain, determining a real server for loading the access request according to a domain name included in the rewritten external chain, and forwarding the access request to the determined real server, so that the IPV6 user can access the IPV4 external chain according to the real server with the IPV4 address.
Description
Technical Field
The present disclosure relates to the field of computer application technologies, and in particular, to an IPV4 external link access method and apparatus.
Background
Internet protocol version 4 (Internet Protocol version, IPv 4) is a widely used network protocol, network devices supporting IPV4, which have a 32-bit IP address in network communications. With the development of the internet, internet users gradually increase, and the 32-bit IP address of IPV4 is already used up. To prevent the exhaustion of IP addresses, a new internet protocol version 6 (Internet Protocol version, IPV 6) has emerged, IPV6 specifying an IP address length of 128 bits. Currently, some internet users or applications are completing upgrades of IPV4 to IPV6 to better accommodate the rapid evolution of current networks.
Some internet websites have not been upgraded to IPV6, which results in servers of some websites using IPV6 addresses and servers of some websites using IPV4 addresses. And there will be a cross reference between the web site and the web site, such as a web site link (called an out link) with an IPV4 address in the web site page with an IPV6 address. And because the IPV4 address and the IPV6 address cannot be communicated, when the user of the IPV6 address accesses the website of the IPV6 address, if the website has the external link of the IPV4 address, the user of the IPV6 address cannot successfully open the external link of the IPV4 address, and the use experience of the user is affected.
Disclosure of Invention
In order to solve the problem that the IPV4 external link cannot be accessed in the related art, the specification provides a method and a device for accessing the IPV4 external link.
According to a first aspect of embodiments of the present disclosure, 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 an IPV6 type, and the virtual service is configured with a real service group, and the real service group includes a plurality of real servers having IPV4 addresses; the method comprises the following steps:
Receiving an external link acquisition request of an IPV6 user; adding the IP address of the virtual service in the external link under the condition that the obtained external link type is determined to be an IPV4 external link; taking the outer chain with the added IP address as a rewritten outer chain, and returning the rewritten outer chain to the IPV6 user;
The virtual service receives an access request of an IPV6 user for the rewritten external link; and determining a real server for receiving the access request according to the domain name contained in the rewritten external link, and forwarding the access request of the IPV6 user to the determined real server so as to enable the user to access the IPV4 external link.
According to a second aspect of embodiments of the present disclosure, there is provided an IPV4 out-link access apparatus, 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 an IPV6 type, the virtual service is configured with a real service group, and the real service group includes a plurality of real servers having IPV4 addresses; the device comprises:
the external link acquisition request receiving module is used for receiving an external link acquisition request of the IPV6 user;
A virtual service IP address adding module, configured to add an IP address of the virtual service in an external link if it is determined that the obtained external link type is an IPV4 external link;
The rewrite external link return module is used for taking the external link with the IP address added as a rewrite external link and returning the rewrite external link to the IPV6 user;
the access request receiving module is used for receiving an access request of the IPV6 user for the rewritten external link by the virtual service;
The real server determining module is used for determining a real server for receiving the access request according to the domain name contained in the rewritten external chain;
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 of the present specification, there is provided a computer readable storage medium having stored thereon a computer program which when executed by a processor implements the above-described IPV4 external link access method.
According to a fourth aspect of embodiments of the present specification, there is provided a computer device comprising:
One or more processors;
A memory for storing one or more programs;
the 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 described above.
The present disclosure provides an IPV4 outbound access method and apparatus, by configuring a virtual service with IPV6 for a load balancing device, and configuring the virtual service with a real service group including a plurality of addresses with IPV 4. When the load balancing equipment receives an external link acquisition request of an IPV6 user, under the condition that the acquired external link type is determined to be an IPV4 external link, adding an IP address of a virtual service in the external link, and returning a rewritten external link after the IP address is added to the IPV6 user. When the virtual service receives an access request of an IPV6 user for rewriting an external chain, determining a real server for loading the access request according to a domain name included in the rewritten external chain, and forwarding the access request to the determined real server, so that the IPV6 user can access the IPV4 external chain according to the real server with the 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 disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the specification and together with the description, serve to explain the principles of the specification.
Fig. 1 is a flow chart of an IPV4 out-link access method according to an exemplary embodiment of the present disclosure.
Fig. 2 is a block diagram of an IPV4 out-link access apparatus according to an exemplary embodiment of the present disclosure.
Fig. 3 is a hardware configuration diagram of a computer device where an IPV4 external link access apparatus is located, according to an exemplary embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present specification. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present description as detailed in the accompanying claims.
The terminology used in the description presented 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 or 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 in this specification 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 description. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination" depending on the context.
Next, embodiments of the present specification will be described in detail.
The specification shows an IPV4 out-link access method, which is applied to load balancing equipment, wherein the load balancing equipment is configured with virtual services, the virtual services have IPV6 type IP addresses, the virtual services are configured with real service groups, and the real service groups comprise a plurality of real servers with IPV4 addresses.
First, a description will be given of a load balancing device mentioned in this specification, where the load balancing device is associated with a plurality of web servers, and is configured to convert an IPV4 external link in an associated web page, so that an IPV6 user may access the IPV4 external link in an 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 the IPV4 external link, or may be a network device connected to a server of a web page corresponding to the external link, so that an access request of a user may be forwarded to the server of the corresponding web page through the IPV4 real server. In addition to the above, it is also necessary to configure ports and protocols used for virtual services.
Specifically, when the user device detects the access intention of the user to the external link, an acquisition request for the external link is sent to the web server, after the web server acquires the external link, the external link is sent to the load balancing device, the load balancing device 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 virtual service is added to the external link, and the rewritten external link (hereinafter referred to as a 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, namely access the virtual service according to the preset setting, 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 device and the scheme are described in their entirety, specific steps of the IPV4 external link access method shown in the present specification will be described below. As shown in fig. 1, fig. 1 is a flowchart of an IPV4 external link access method according to an exemplary embodiment of the present disclosure, including the steps of:
Step 101, receiving an external link acquisition request of an IPV6 user; adding the IP address of the virtual service in the external link under the condition that the obtained external link type is determined to be an IPV4 external link; and taking the outer chain with the added IP address as a rewritten outer chain, and returning the rewritten outer chain to the IPV6 user.
In other words, the load balancing device is responsible for rewriting the IPV4 address in the associated IPV6 web page (i.e. the server of the web page has the IPV6 address) server, so that the outer link on the web page on the IPV6 user device (i.e. the user device having only the IPV6 address) is a rewritten outer link, and thus the virtual service can be accessed according to the rewritten outer link, and the server corresponding to the outer link can be further accessed.
The receiving the outbound obtaining request of the IPV6 user specifically comprises the following steps: an outbound acquisition request is received for an IPV6 user, the outbound acquisition request being sent by the IPV6 user device upon detecting an access intention for the outbound.
In other words, the request for obtaining the outer chain is determined by the outer chain access intention of the user, so that the outer chain can be obtained without being rewritten before the user clicks, the process of loading the outer chain is quickened, and the use experience of the user is improved.
In this case, the access intention may be that the user's mouse pointer is detected to be stopped on the outer link, or that the user's stay time on the current page exceeds a preset threshold, which is not limited in this specification.
In addition, the user's out-link acquisition request can also be triggered and sent by clicking the out-link by the user, so that useless out-link acquisition can be reduced, and the processing efficiency of the load balancing equipment is improved.
The virtual service address is added in the outer link, so that the user equipment can direct the access request for the outer link to the IP address contained in the outer link under the condition that the fact that the outer link to be accessed contains the IP address is detected according to the preset setting, and the user can access the IPV4 outer link through the virtual service configured on the load balancing equipment.
Furthermore, the method comprises the following steps: in case it is determined that the obtained type of the outgoing chain is an IPV6 outgoing chain, the outgoing chain is returned directly to the IPV6 user.
In other words, when the external link is an IPV6 external link, the external link is not rewritten, and the user can normally access the IPV6 external link according to the original web page access flow.
Step 103, the virtual service receives an access request of the IPV6 user for the rewritten external link; and determining a real server for receiving the access request according to the domain name contained in the rewritten external link, and forwarding the access request of the IPV6 user to the determined real server so as to enable the user to access the IPV4 external link.
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 a real server enabling the user to access the IPV4 external link, and uses the determined real server as a server for loading the access request.
The virtual service may receive an access request for the user to rewrite the external link from the IPV6 user (the rewrite external link is displayed on the web page before the user clicks) and send the access request for the rewrite external link to the virtual service, or may receive the access request for the rewrite external link from the user after the user clicks the external link and obtains the rewrite external link, which is not limited in this specification.
The determining, according to the domain name included in the rewritten outer chain, the real server corresponding to the access request includes: 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 outer chain domain name and the IP address; and 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.
The determined real server may be a server containing the IPV4 external link content, that is, a server of a web page corresponding to the IPV4 external link, in other words, the determining, according to the determined IP address and the address of each real server in the real service group, the real server that receives the access request includes: and according to the determined IP address, a real server which is the same as the determined IP address is found in the real service group. Or may be a network device that may forward the access request to a web server corresponding to the IPV4 external link.
As can be seen from the above description, the present specification provides an IPV4 outbound access method and apparatus, by configuring a virtual service with IPV6 for a load balancing device, and configuring a real service group including a plurality of real service groups with IPV4 addresses for the virtual service. When the load balancing equipment receives an external link acquisition request of an IPV6 user, under the condition that the acquired external link type is determined to be an IPV4 external link, adding an IP address of a virtual service in the external link, and returning a rewritten external link after the IP address is added to the IPV6 user. When the virtual service receives an access request of an IPV6 user for rewriting an external chain, determining a real server for loading the access request according to a domain name included in the rewritten external chain, and forwarding the access request to the determined real server, so that the IPV6 user can access the IPV4 external chain according to the real server with the IPV4 address.
The IPV4 external link access method shown in the present specification will be described next by way of one specific embodiment.
In this particular embodiment of the present description, the server of the IPV6 web page is associated with a load balancing device that loads the overwriting of the outer link and forwards the user's access request for the outer link to the server containing the outer link content. In addition, it should be noted that the load balancing device may serve only a server of an IPV6 web page, or may serve servers of a plurality of outbound web pages, which is not limited in this specification.
First, before the method is executed, the following configuration needs to be newly built on the load balancing device:
and configuring an IPV4 type real Server1, a real Server2 and a real Server3. In other words, it is necessary to collect all the extralinks in the IPV6 web page first, determine the real servers of the extralinks including each web page, and use the determined real servers as the real servers of the IPV4 type configured by the load balancing device. And configuring a real service group, and referring to a real Server Server1, a real Server Server2 and a real Server Server3. The IP address and port number of the virtual service of the IPV6 type are configured, a communication protocol is set for the virtual service, and the real service group is selected for the service to be used as the real service group of the virtual service.
When the load balancing device receives the external link obtaining request, it finds that the domain name www.test.com of the external link is an IPV4 address (specifically, the method for determining the external link type may be determined according to the corresponding relationship/IP address type between the external link and the IP address stored in advance, or the IP address corresponding to the external link may be obtained from the DNS server, so as to determine the IP type), and then starts the external link rewriting process, and rewrites the external link http:// www.test.com to http://2018::100/www.test.com (rewrites the external link, 2018::100 is the IP address of the virtual service), and returns the rewritten external link to the client.
After clicking and rewriting the outer chain, the client sends an access request to the virtual service in the rewritten outer chain, and after receiving the access request, the virtual service determines that the real Server1 contains the resources of the outer chain according to the domain name of the outer chain contained in the access request, and forwards the access request to the Server1, so that the user can access the resources of the outer chain.
Corresponding to the embodiments of the aforementioned method, the present specification also provides embodiments of the apparatus and the terminal to which it is applied.
As shown in fig. 2, fig. 2 is a block diagram of an IPV4 out-link access apparatus according to an exemplary embodiment of the present disclosure, which is applied to a load balancing device configured with a virtual service having an IP address of the IPV6 type, the virtual service configured with a real service group including a number of real servers having IPV4 addresses; the device comprises:
an outbound acquisition request receiving module 210, configured to receive an outbound 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 an IPV4 external link if it is determined that the obtained external link type is the external link;
The rewrite external link returning module 230 is configured to take the external link with the added IP address as a rewrite external link, and return the rewrite external link to the IPV6 user;
An access request receiving module 240, configured to receive, by using a virtual service, an access request of an IPV6 user for the rewritten external link;
A real server determining module 250, configured to determine, according to the domain name included in the rewritten external chain, a real server that receives the access request;
and the forwarding module 260 is configured to forward 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 outer chain domain name and the IP address; and 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.
The outer link acquisition request receiving module 210 is specifically configured to: an outbound acquisition request is received for an IPV6 user, the outbound acquisition request being sent by the IPV6 user device upon detecting an access intention for the outbound.
Furthermore, the device further comprises: the extralink returning module 270 is configured to directly return the obtained extralink to the IPV6 user in case that it is determined that the obtained extralink type is an IPV6 extralink.
The implementation process of the functions and roles of each module in the above device is specifically shown in the implementation process of the corresponding steps in the above method, and will not be described herein again.
For the device embodiments, reference is made to the description of the method embodiments for the relevant points, since they essentially correspond to the method embodiments. The apparatus embodiments described above are merely illustrative, wherein the modules illustrated as separate components may or may not be physically separate, and the components shown as modules may or may not be physical, i.e., may be located in one place, or may be distributed over a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purposes of the present description. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
As shown in fig. 3, fig. 3 shows a hardware configuration diagram of a computer device where the IPV4 external link access device of the embodiment 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 processor 1010, memory 1020, input/output interface 1030, and communication interface 1040 implement communication connections therebetween within the device via a 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, etc. for executing 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 ROM (Read Only Memory), RAM (Random Access Memory ), static storage, dynamic storage, etc. Memory 1020 may store an operating system and other application programs, and when the embodiments of the present specification are implemented in software or firmware, the associated program code is stored in memory 1020 and executed by processor 1010.
The input/output interface 1030 is used to connect with an input/output module for inputting and outputting information. The input/output module may be configured as a component in a device (not shown) or may be external to the device to provide corresponding functionality. Wherein the input devices may include a keyboard, mouse, touch screen, microphone, various types of sensors, etc., and the output devices may include a display, speaker, vibrator, indicator lights, etc.
Communication interface 1040 is used to connect communication modules (not shown) to enable communication interactions of the present device with other devices. The communication module may implement communication through a wired manner (such as USB, network cable, etc.), or may implement communication through a wireless manner (such as mobile network, WIFI, bluetooth, etc.).
Bus 1050 includes a path for transferring information between components of the device (e.g., processor 1010, memory 1020, input/output interface 1030, and communication interface 1040).
It should be noted that although the above-described device only shows processor 1010, memory 1020, input/output interface 1030, communication interface 1040, and bus 1050, in an implementation, the device may include other components necessary to achieve proper operation. Furthermore, it will be understood by those skilled in the art that the above-described apparatus may include only the components necessary to implement the embodiments of the present description, and not all the components shown in the drawings.
The embodiments of the present specification also provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements an IPV4 out-link access method as described in the 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 storage media for a computer 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, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transitorymedia), such as modulated data signals and carrier waves.
The foregoing describes specific embodiments of the present disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can 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 are also 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 is to be understood that the present description is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, 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 foregoing description of the preferred embodiments is provided for the purpose of illustration only, and is not intended to limit the scope of the disclosure, since any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the disclosure are intended to be included within the scope of the disclosure.
Claims (8)
1. The IPV4 external link access method is characterized by being applied to load balancing equipment, wherein the load balancing equipment is configured with virtual services, the virtual services are provided with IPV6 type IP addresses, the virtual services are configured with ports, the virtual services are configured with real service groups, and the real service groups comprise a plurality of real servers with IPV4 addresses; the method comprises the following steps:
Receiving an external link acquisition request of an IPV6 user, wherein the external link acquisition request is sent by IPV6 user equipment when the access intention for an external link is detected; adding the IP address of the virtual service in the external link under the condition that the obtained external link type is determined to be an IPV4 external link; taking the outer chain with the added IP address as a rewritten outer chain, and returning the rewritten outer chain to the IPV6 user;
The virtual service receives an access request of an IPV6 user for the rewritten external link; and determining a real server for receiving the access request according to the domain name contained in the rewritten external link, and forwarding the access request of the IPV6 user to the determined real server so as to enable the user to access the IPV4 external link.
2. The method according to claim 1, wherein the determining, according to the domain name included in the rewritten outer chain, the real server corresponding to the access request includes:
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 outer chain domain name and the IP address;
and 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.
3. The method according to claim 1, wherein the method further comprises:
In case it is determined that the obtained type of the outgoing chain is an IPV6 outgoing chain, the outgoing chain is returned directly to the IPV6 user.
4. The IPV4 external link access device is characterized by being applied to load balancing equipment, wherein the load balancing equipment is configured with virtual services, the virtual services are provided with IPV6 type IP addresses, the virtual services are configured with ports, the virtual services are configured with real service groups, and the real service groups comprise a plurality of real servers with IPV4 addresses; the device comprises:
The system comprises an external link acquisition request receiving module, a processing module and a processing module, wherein the external link acquisition request receiving module is used for receiving an external link acquisition request of an IPV6 user, and the external link acquisition request is sent by the IPV6 user equipment when the access intention aiming at an external link is detected;
A virtual service IP address adding module, configured to add an IP address of the virtual service in an external link if it is determined that the obtained external link type is an IPV4 external link;
The rewrite external link return module is used for taking the external link with the IP address added as a rewrite external link and returning the rewrite external link to the IPV6 user;
the access request receiving module is used for receiving an access request of the IPV6 user for the rewritten external link by the virtual service;
The real server determining module is used for determining a real server for receiving the access request according to the domain name contained in the rewritten external chain;
And the forwarding module is used for forwarding the access request of the IPV6 user to the determined real server.
5. The apparatus of claim 4, 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 outer chain domain name and the IP address;
and 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.
6. The apparatus of claim 4, wherein the apparatus further comprises:
and the extra-link returning module is used for directly returning the extra-link to the IPV6 user under the condition that the acquired extra-link type is determined to be the IPV6 extra-link.
7. A computer readable storage medium, characterized in that the computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements an IPV4 out-link access method according to any of claims 1 to 3.
8. A computer device, the computer device comprising:
One or more processors;
A memory for storing one or more programs;
The 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 to 3.
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