CN101600000A - The data communications method and the system of IPv6 user capture IPv4 website - Google Patents
The data communications method and the system of IPv6 user capture IPv4 website Download PDFInfo
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Abstract
The present invention discloses a kind of data communications method and system of the IPv6 of being used for user capture IPv4 website, relates to data communication field.Data communications method wherein comprises: the IPv6 address of the DNS request inquiry proxy server of the visit IPv4 website that dns server sends according to the IPv6 user who receives, and wherein the DNS request comprises the domain name of IPv4 website and the domain name of Transformation Service is provided; Acting server receives the Http request of IPv6 user according to the IPv6 address transmission of dns server acquisition; Acting server goes out the address of IPv4 website according to the Http request analysis; Acting server obtains IPv6 user according to the address of IPv4 website and asks the content of visiting; With acting server the content of obtaining is transmitted to IPv6 user.The present invention has solved IPv6 and has used deficient problem for the ability that IPv6 user provides visit IPv4 website.
Description
Technical field
The present invention relates to data communication field, particularly relate to a kind of data communications method and system of IPv4/IPv6 intercommunication.
Background technology
Information network has become one of most important infrastructure of modern society.The basic agreement of the Internet is to adopt the IPv4 (Internet protocol version 4, Internet protocol the 4th edition) of 32 bit address at present.Through years of development, IPv4 has obtained huge achievement.Along with the sustainable growth of network size and new application, the IP address space deficiency has restricted development of Internet.Adopt the IPv6 (Internet protocol version 6, Internet protocol the 6th edition) of 128 bit address, finally replacing IPv4 is trend of the times, and this in the industry cycle obtains widespread consensus.
But ripe application mainly concentrates on the IPv4 network on the Internet at present, as search engine, Email etc.IPv4 that can not these are ripe uses and introduces IPv6, becomes one of main problem of restriction IPv6 network development.Such as, if want the IPv6 network is all moved in all websites in the IPv4 network, based on existing migration pattern, ICP (Internet contentprovider, ICP) needs the Http server of upgrading oneself and revises web page code.For ICP, this means excessive risk and high investment, be impossible realize in a short time.Yet along with closing on of IPv4 address exhaustion, IPv6 network, application development demand expand day by day, need a kind of method that can fast the IPv4 content release be arrived the IPv6 network badly.
Summary of the invention
The objective of the invention is to propose a kind of data communications method and system of the IPv6 of being used for user capture IPv4 website, for IPv6 user capture IPv4 website facilitates.
For achieving the above object, the invention provides a kind of data communications method of the IPv6 of being used for user capture IPv4 website, comprise: the IPv6 address of the DNS request inquiry proxy server of the described IPv4 website of visit that the described IPv6 user that the dns server basis receives sends, wherein said DNS request comprises the domain name of described IPv4 website and the domain name of Transformation Service is provided; Described acting server receives the Http request that described IPv6 user sends according to the described IPv6 address that obtains from described dns server; Described acting server goes out the address of described IPv4 website according to described Http request analysis; Described acting server obtains described IPv6 user according to the address of described IPv4 website and asks the content of visiting; The described content that described acting server will obtain is transmitted to described IPv6 user.
According to one embodiment of present invention, described dns server asks the IPv6 address of inquiry proxy server to comprise according to the DNS of the visit IPv4 website that the IPv6 user who receives sends: described dns server is the lightest described acting server of query load in comprising the acting server group of described acting server, and the described IPv6 address of the described acting server that load among the described acting server group is the lightest returns to described IPv6 user.
Further, described dns server the lightest described acting server of query load in comprising the acting server group of described acting server comprises: described dns server is with mode the lightest described acting server of query load in described acting server group of poll.
According to one embodiment of present invention, described acting server obtains the content that described IPv6 user asks to visit according to the address of described IPv4 website and comprises: described acting server is asked the described content of visiting from the described IPv6 user of described IPv4 station for acquiring according to the address of described IPv4 website.
According to another embodiment of the invention, described acting server obtains the content that described IPv6 user asks to visit according to the address of described IPv4 website and also comprises: the described content that described IPv6 user asks the described IPv4 website of visiting is inquired about and obtained to described acting server according to the address of described IPv4 website in the caching system of the described content that stores described IPv4 website.
According to embodiments of the invention, the described content that described acting server will obtain is transmitted to described IPv6 user and also comprises: described acting server is changed the URL in the described content of the described IPv4 website that gets access to.
Further, described acting server is changed the URL in the described content of the described IPv4 website that gets access to and is comprised: add the described domain name that Transformation Service is provided in described URL back.
For achieving the above object, the present invention also provides a kind of data communication system of the IPv6 of being used for user capture IPv4 website, comprise: dns server, the DNS request that is used for the described IPv4 website of visit that the described IPv6 user who receives is sent is resolved, and wherein said DNS request comprises the domain name of described IPv4 website and the domain name of Transformation Service is provided; And acting server, when described dns server is resolved described DNS request, return the IPv6 address of described acting server to described IPv6 user, described acting server comprises: IPv6 user's request processing module is used to receive the Http request that described IPv6 user sends according to the described IPv6 address that obtains from described dns server; The address resolution module is used for going out according to the Http request analysis that described IPv6 user sends the address of described IPv4 website; IPv4 site contents acquisition module is used for asking the content of visiting according to the described IPv6 user of Http acquisition request that described IPv6 user sends; The content forwarding module after the URL that is used for the described content that will obtain changes, sends to described IPv6 user.
According to one embodiment of present invention, described dns server also comprises: load balancing module, be used for comprising the lightest described acting server of acting server group query load of described acting server, and the described IPv6 address of the described acting server that load is the lightest returns to described IPv6 user.
Further, described acting server group comprises the caching system of the described content that stores described IPv4 website, and the described content that described IPv6 user asks the described IPv4 website of visiting is inquired about and obtained to described IPv4 site contents acquisition module according to the address of described IPv4 website in caching system.
Further, described IPv4 site contents acquisition module also is used for asking the described content of visiting from the described IPv6 user of described IPv4 station for acquiring according to the address of described IPv4 website.
Based on technique scheme, the embodiment of the invention is at ICP (Internet ContentProvider, under the situation about the ICP) not participating in, can fast the IPv4 Web content be incorporated in the IPv6 network, the ability of visit IPv4 website is provided for IPv6 user, solved IPv6 to a certain extent and used deficient problem, helped IPv4 seamlessly transitting to IPv6.
Description of drawings
Fig. 1 is the schematic network structure according to the application scenarios of the embodiment of the invention.
Fig. 2 is the flow chart according to the data communications method that is used for IPv6 user capture IPv4 website of the embodiment of the invention.
Fig. 3 be according to the embodiment of the invention be used for IPv6 user capture IPv4 website the structural representation of data communication system.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.
Fig. 1 is the schematic diagram according to the network configuration 100 of the application scenarios of the embodiment of the invention.Network configuration 100 comprises IPv6 network 110, acting server group 120 and IPv4 network 130.Wherein, IPv6 network 110 also comprises DNS (domain name system, domain name system) server 114 and IPv6 user, such as IPv6 user 112.IPv4 network 130 also comprises dns server 134 and IPv4 website, such as Web server 132.
As shown in Figure 1, acting server group 120 can comprise the acting server of any amount, such as acting server 121,122 and 123.Because acting server group 120 is affiliated to IPv4 network 130 and IPv6 network 110 simultaneously, so each acting server all has an IPv4 address and an IPv6 address simultaneously.IPv4 address such as acting server 122 is 192.168.1.2, and the IPv6 address is 2404:8800:1::02.Acting server 122 can be used as Http (hyper text transfer protocol, HTML (Hypertext Markup Language)) Reverse Proxy, reception is from the connection request in the IPv6 network 110, then this request is transmitted to the IPv4 website in the IPv4 network 130, and will returns to the user that 110 requests of IPv6 network connect from the content that the IPv4 website obtains.In one embodiment, acting server group 122 can also comprise caching system, such as buffer memory 124, popular website is carried out buffer memory.When the IPv4 site contents of asking to visit as IPv6 user had been stored in caching system, acting server group 122 acting server can directly be transmitted to IPv6 user with this page, to accelerate its access speed.
According to embodiments of the invention, IPv6 user can add in the URL back and serves the domain name that provider provides, and by dns server 114 and acting server group 120, just can visit the IPv4 website.Like this, under the situation that does not need ICP to participate in, just can fast the IPv4 Web content be guided in the IPv6 network,, and help IPv4 seamlessly transitting to IPv6 for IPv6 user provides visit IPv4 the ability of website.
Fig. 2 is the flow chart according to the data communications method 200 that is used for IPv6 user capture IPv4 website of the embodiment of the invention.The description of data communications method 200 combines the network configuration 100 among Fig. 1, but is not limited to the form of network configuration 100.As shown in Figure 1, supposing that the user 112 in the IPv6 network 110 will visit the IPv4 website of Sohu, promptly is the Web server of Sohu such as the IPv4 website 132 in the IPv4 network 130.
In step 202, the IPv6 address of the DNS request inquiry proxy server of the visit IPv4 website that dns server sends according to the IPv6 user who receives, wherein the DNS request comprises the domain name of IPv4 website and the domain name of Transformation Service is provided.In one embodiment, the IPv6 address of dns server acting server that query load is the lightest in comprising the acting server group of acting server and acting server that load is the lightest returns to IPv6 user.For example, IPv6 user 112 wants to visit the IPv4 website of Sohu, can send the DNS query requests of www.sohu.com.ghost46.com to dns server 114.The URL of this request (uniform resource locator, uniform resource locator) form can be http://origin_domain.ghost46.com/location.Wherein, origin_domain is the domain name of IPv4 website, and .ghost46.com is the domain name that Transformation Service is provided that the service provider applies for, location is the requested resource path.Such as http://www.sohu.com.ghost46.com/index.html, wherein, www.sohu.com is the domain name of IPv4 website 132, and index.html is a resource path.
In one embodiment, after dns server 114 is received IPv6 user 112 request, can in acting server group 120, carry out load balancing, and return the IPv6 address of the lightest acting server of load among the acting server group 120 to IPv6 user 112.Dns server 114 can be opened poll, and the lightest acting server of query load in acting server group 120 is such as acting server 122.Then, dns server 114 returns to IPv6 user 112 with the IPv6 address (such as 2404:8800:1::02) of acting server 122 in to IPv6 user's DNS response.
In step 204, acting server receives the Http request that IPv6 user sends according to the IPv6 address that obtains from dns server.For example, the IPv6 user 112 Http request that will go to www.sohu.com.ghost46.com according to the IPv6 address of the acting server 122 that obtains sends to acting server 122.
In step 206, the Http request analysis that acting server sends according to IPv6 user goes out the address of IPv4 website.For example, acting server 122 extracts URL from the Http request that receives, resolve to IPv4 site address www.sohu.com.
In step 208, acting server obtains IPv6 user according to the address of IPv4 website and asks the content of visiting.In one embodiment, the content that IPv6 user asks the IPv4 website of visiting is inquired about and obtained to acting server according to the address of IPv4 website in the caching system of the content that stores the IPv4 website.In another embodiment, acting server is asked the content of visiting from IPv4 station for acquiring IPv6 user according to the address of IPv4 website.For example, when being deployed with caching system in acting on behalf of server zone 120, acting server 122 can be inquired about from caching system earlier according to the IPv4 address of resolving, and sees if there is the content of user's 112 requests, has then directly to be transmitted to user 112.If no, the then dns server in the IPv4 network 130 134 DNS request of sending www.sohu.com.Dns server 134 sends back to acting server 122 with the IP address that www.sohu.com resolves to IPv4 website 132.Acting server 122 according to the IP address of IPv4 website 132, sends the Http request to IPv4 website 132 again.IPv4 website 132 returns the content of IPv6 user's 112 requests to acting server 122 by the Http response.
In step 210, acting server is transmitted to IPv6 user with the content of obtaining.For example, acting server 122 will be transmitted to IPv6 user 112 from the content that IPv4 website 132 obtains.In one embodiment, all URL change in 122 pairs of contents of obtaining of acting server, add this suffix of domain name .ghost46.com that Transformation Service is provided in the domain name back, be http://www.sohu.com.ghost46.com/index, and the content after will changing send to IPv6 user 112 by the Http response.When next user 112 clicks URL when link on the page again, will send the DNS request of carrying .ghost46.com in the domain name back automatically, dns server 114 can and return the IPv6 address of the acting server among the acting server group 120 with this request analysis, so that IPv6 user 112 can visit ensuing website smoothly.
Fig. 3 be according to the embodiment of the invention be used for IPv6 user capture IPv4 website the structural representation of data communication system 300.Data communication system 300 comprises dns server 310 and acting server 320.
Wherein, dns server 310 is used for the DNS request of visit IPv4 website that the IPv6 user who receives is sent resolves, and wherein the DNS request comprises the domain name of IPv4 website and the domain name of Transformation Service is provided.Dns server 310 also comprises load balancing module 10, be used for comprising the lightest acting server of acting server group query load of acting server 320, and the IPv6 address of the acting server that load is the lightest returns to IPv6 user.
IPv6 user's request processing module 20 is used to receive the Http request that IPv6 user sends according to the IPv6 address that obtains from dns server.
IPv4 site contents acquisition module 24 is used for asking the content of visiting according to the Http acquisition request IPv6 user that IPv6 user sends.In one embodiment, the content that IPv6 user asks the IPv4 website of visiting be inquired about and be obtained to IPv4 site contents acquisition module 24 can according to the address of IPv4 website in the caching system of the content that stores the IPv4 website.In another embodiment, IPv4 site contents acquisition module 24 can also be asked the content of visiting according to the address of IPv4 website from IPv4 station for acquiring IPv6 user.
The content that content forwarding module 26 is used for getting access to is transmitted to IPv6 user.Content forwarding module 26 can be changed the URL in the content of the IPv4 website that gets access to, promptly adds the domain name that Transformation Service is provided in the URL back.Then, the content after the URL conversion is sent to IPv6 user.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (11)
1. a data communications method that is used for IPv6 user capture IPv4 website is characterized in that, comprising:
The IPv6 address of the DNS request inquiry proxy server of the described IPv4 website of visit that dns server sends according to the described IPv6 user who receives, wherein said DNS request comprises the domain name of described IPv4 website and the domain name of Transformation Service is provided;
Described acting server receives the Http request that described IPv6 user sends according to the described IPv6 address that obtains from described dns server;
Described acting server goes out the address of described IPv4 website according to described Http request analysis;
Described acting server obtains described IPv6 user according to the address of described IPv4 website and asks the content of visiting; With
The described content that described acting server will obtain is transmitted to described IPv6 user.
2. data communications method according to claim 1 is characterized in that, described dns server asks the IPv6 address of inquiry proxy server to comprise according to the DNS of the visit IPv4 website that the IPv6 user who receives sends:
Described dns server is the lightest described acting server of query load in comprising the acting server group of described acting server; With
The described IPv6 address of the described acting server that described dns server is the lightest with load among the described acting server group returns to described IPv6 user.
3. data communications method according to claim 2 is characterized in that, described dns server the lightest described acting server of query load in comprising the acting server group of described acting server comprises:
Described dns server is with mode the lightest described acting server of query load in described acting server group of poll.
4. data communications method according to claim 1 is characterized in that, described acting server obtains the content that described IPv6 user asks to visit according to the address of described IPv4 website and comprises:
Described acting server is asked the described content of visiting from the described IPv6 user of described IPv4 station for acquiring according to the address of described IPv4 website.
5. data communications method according to claim 1 is characterized in that, described acting server obtains the content that described IPv6 user asks to visit according to the address of described IPv4 website and also comprises:
The described content that described IPv6 user asks the described IPv4 website of visiting is inquired about and obtained to described acting server according to the address of described IPv4 website in the caching system of the described content that stores described IPv4 website.
6. data communications method according to claim 1 is characterized in that, the described content that described acting server will obtain is transmitted to described IPv6 user and also comprises:
Described acting server is changed the URL in the described content of the described IPv4 website that gets access to.
7. data communications method according to claim 6 is characterized in that, described acting server is changed the URL in the described content of the described IPv4 website that gets access to and comprised:
Add the described domain name that Transformation Service is provided in described URL back.
8. a data communication system that is used for IPv6 user capture IPv4 website is characterized in that, comprising:
Dns server, the DNS request that is used for the described IPv4 website of visit that the described IPv6 user who receives is sent is resolved, and wherein said DNS request comprises the domain name of described IPv4 website and the domain name of Transformation Service is provided; With
Acting server when described dns server is resolved described DNS request, returns the IPv6 address of described acting server to described IPv6 user, and described acting server comprises:
IPv6 user's request processing module is used to receive the Http request that described IPv6 user sends according to the described IPv6 address that obtains from described dns server;
The address resolution module is used for going out according to the Http request analysis that described IPv6 user sends the address of described IPv4 website;
IPv4 site contents acquisition module is used for asking the content of visiting according to the described IPv6 user of Http acquisition request that described IPv6 user sends;
The content forwarding module after being used for URL to described content and changing, sends to described IPv6 user with described content.
9. data communication system according to claim 8 is characterized in that, described dns server also comprises:
Load balancing module is used for comprising the lightest described acting server of acting server group query load of described acting server, and the described IPv6 address of the described acting server that load is the lightest returns to described IPv6 user.
10. data communication system according to claim 9, it is characterized in that, wherein said acting server group comprises the caching system of the described content that stores described IPv4 website, and the described content that described IPv6 user asks the described IPv4 website of visiting is inquired about and obtained to described IPv4 site contents acquisition module according to the address of described IPv4 website in caching system.
11. data communication system according to claim 8 is characterized in that, described IPv4 site contents acquisition module also is used for asking the described content of visiting from the described IPv6 user of described IPv4 station for acquiring according to the address of described IPv4 website.
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| CNA2009101485278A CN101600000A (en) | 2009-06-26 | 2009-06-26 | The data communications method and the system of IPv6 user capture IPv4 website |
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| CN102137172A (en) * | 2010-11-24 | 2011-07-27 | 华为终端有限公司 | Access method and access device for DNS (Domain Name Server) |
| CN102546850A (en) * | 2010-12-08 | 2012-07-04 | 中国电信股份有限公司 | Method, device and server used for providing internet protocol (IP) v4 content and supporting IPv6 |
| CN102572001A (en) * | 2011-01-04 | 2012-07-11 | 中兴通讯股份有限公司 | Domain name system (DNS) and method for providing load balancing |
| CN102694754A (en) * | 2012-06-07 | 2012-09-26 | 广州睿哲网络科技有限公司 | Application gateway technology and system for realizing content interchange of Internet protocol version 4/Internet protocol version 6 (IPv4/IPv6) websites |
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| CN102137172A (en) * | 2010-11-24 | 2011-07-27 | 华为终端有限公司 | Access method and access device for DNS (Domain Name Server) |
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| CN103001931A (en) * | 2011-09-08 | 2013-03-27 | 北京智慧风云科技有限公司 | Communication system of terminals interconnected among different networks |
| CN103001929A (en) * | 2011-09-08 | 2013-03-27 | 北京智慧风云科技有限公司 | Terminal communication system and terminal communication method on basis of different internet protocols |
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| WO2015120750A1 (en) * | 2014-02-17 | 2015-08-20 | 中国科学院计算机网络信息中心 | Dns-based ipv6 and ipv4 interworking method |
| CN104935636A (en) * | 2015-04-29 | 2015-09-23 | 广州杰赛科技股份有限公司 | Network channel acceleration method and system |
| CN106790502A (en) * | 2016-12-16 | 2017-05-31 | 广东睿哲科技股份有限公司 | A kind of IPv4 terminals based on NAT64 prefixes, the SiteServer LBS of IPv6 service-interworking business |
| CN106790503A (en) * | 2016-12-16 | 2017-05-31 | 广东睿哲科技股份有限公司 | It is a kind of to realize the IPv4 websites without skylight using the device upgraded to IPv6 based on HTTP reverse proxys |
| CN106790502B (en) * | 2016-12-16 | 2020-04-24 | 睿哲科技股份有限公司 | Load balancing system of IPv4 terminal and IPv6 service intercommunication service based on NAT64 prefix |
| CN110225150A (en) * | 2019-06-27 | 2019-09-10 | 中星科源(北京)信息技术有限公司 | Communication means, system and storage medium between different network protocol |
| CN110225150B (en) * | 2019-06-27 | 2020-09-15 | 中星科源(北京)信息技术有限公司 | Method, system and storage medium for communication between different network protocols |
| CN110351294A (en) * | 2019-07-22 | 2019-10-18 | 马佳鑫 | A kind of system for realizing IPv4 network and IPv6 network interworking |
| CN111314499A (en) * | 2020-02-17 | 2020-06-19 | 深信服科技股份有限公司 | Domain name proxy method, device, equipment and readable storage medium |
| CN111416862A (en) * | 2020-03-20 | 2020-07-14 | 福建万物易联网络科技有限公司 | CDN platform access method and system based on IPV6IPV4 |
| CN111416862B (en) * | 2020-03-20 | 2021-06-15 | 福建万物易联网络科技有限公司 | CDN platform access method and system based on IPV6IPV4 |
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