CN101540759B - Method for acquiring address of service server and communication system - Google Patents
Method for acquiring address of service server and communication system Download PDFInfo
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Abstract
The invention relates to a method for acquiring the address of a service server and a communication system. The method comprises the following steps that: a WAP gateway searches a first IP address of a navigation server and an MSISDN number of a client according to an HTTP service access request; an HTTP query request carrying the MSISDN number is sent to the navigation server; a second IP address of the service server which the client belongs to is searched according to the MSISDN number and a URL address; and the second IP address is fed back to the client. The system comprises the WAP gateway, the navigation server, the client and a DNS server and/or an EnumDNS server. The method and the system can acquire the IP address of the service server by the analysis of the navigation server and by initiating an HTTP protocol-based service server address search process, thereby finding the corresponding service server for realizing new service even when the IP address of the service server changes.
Description
Technical field
The present invention relates to a kind of method for acquiring address of service server and can realize WAP gateway, navigation server and the communication system of the method, belong to Internet communication technology.
Background technology
In existing Internet service, service server is be used to providing such as professional servers such as web page browsings.User's client is when initiating business, uniform resource locator (the Uniform Resource Locator of input corresponding service server, hereinafter to be referred as: URL) address, and to domain name system (Domain Name System, hereinafter to be referred as: DNS) server is initiated the domain name mapping request based on DNS Protocol; The IP address that dns server is searched service server corresponding to this URL address according to corresponding configuration information, and lookup result returned to client; Client is accessed corresponding service server according to this IP address.
Existing based on WAP (wireless application protocol) (Wireless Application Protocol, hereinafter to be referred as: the WAP) HTML (Hypertext Markup Language) of gateway (Hypertext Transfer Protocol, hereinafter to be referred as: HTTP) browse in the class business, WAP gateway is used for replacing client to initiate the dns resolution flow process as acting server, so that client need not to know dns address, also need not to participate in the dns resolution flow process and just can directly access corresponding service server by the URL address, (Multimedia Messaging Service is hereinafter to be referred as MMS) business such as MMS to start, downloading service and based on HTTP browse service of WAP etc.
The defective of prior art is: when some new business, when the business such as (Video Share), transmission service (PoC), agps system (AGPS) of sharing such as video occur, because these new business flow processs do not adopt WAP gateway agency's mode to access corresponding service server, therefore can't utilize WAP gateway to resolve the URL address of service server.
In order to make these new business when initiating, also can find the address of corresponding service server, the method that prior art adopts is the IP address of directly presetting service server in client, make client directly according to the IP address access service server that presets, start above-mentioned new business.But, if adopt the mode of this IP of presetting address, when the service server generation networking at service server place changes, perhaps a plurality of in business platform have in the situation that the different IP addresses service server provides multipoint service, client need to be upgraded the IP address of presetting, otherwise normal access service server.Therefore, the method for this IP of presetting address has limited professional flexible development.
Summary of the invention
The problem to be solved in the present invention is: a kind of technology of resolving service server IP address by the HTTP flow process is provided.
In order to address the above problem, one embodiment of the present of invention have provided a kind of method for acquiring address of service server, comprising:
After WAP gateway receives the HTTP Operational Visit request that comes from client, according to this HTTP Operational Visit request search an IP address of navigation server and the travelling carriage international number of described client (Mobile Station ISDN, hereinafter to be referred as: Mobile Subscriber International ISDN Number); Wherein, carry the URL address of navigation server and service server in the request of described HTTP Operational Visit;
According to a described IP address that finds, send the HTTP query requests that carries described Mobile Subscriber International ISDN Number to described navigation server;
Described navigation server is according to the 2nd IP address of the service server of the described client ownership of the URL address search of carrying in described Mobile Subscriber International ISDN Number and the request of described HTTP Operational Visit;
Described the 2nd IP address that finds is returned to described client.
In order to address the above problem, an alternative embodiment of the invention has provided a kind of WAP gateway, comprising:
The first gateway module is used for receiving the HTTP Operational Visit request that comes from client; Wherein, carry the URL address of navigation server and service server in the request of described HTTP Operational Visit;
The second gateway module is used for receiving an IP address of the URL address search navigation server that the request of HTTP Operational Visit carries and the Mobile Subscriber International ISDN Number of described client according to the first gateway module;
The 3rd gateway module for a described IP address that finds according to the second gateway module, sends the HTTP query requests that carries described Mobile Subscriber International ISDN Number to described navigation server.
In order to address the above problem, an alternative embodiment of the invention has provided a kind of navigation server, comprising:
The first navigation module is used for according to the HTTP query requests acquisition URL address that comes from WAP gateway and the Mobile Subscriber International ISDN Number of client; Wherein, the HTTP Operational Visit request that sends according to client of the WAP gateway IP address of searching navigation server; Carry the URL address of navigation server and service server in the request of described HTTP Operational Visit;
The second navigation module is used for the 2nd IP address of searching the service server of described client ownership according to URL address and the Mobile Subscriber International ISDN Number of the acquisition of the first navigation module;
The 3rd navigation module, the 2nd IP address that is used for the second navigation module is found returns to described client.
In order to address the above problem, an alternative embodiment of the invention has provided a kind of communication system, comprises WAP gateway and the navigation server of communication connection, wherein,
Described WAP gateway is used for searching an IP address of navigation server and the Mobile Subscriber International ISDN Number of described client according to the HTTP Operational Visit request that comes from client; And according to a described IP address, send the HTTP query requests that carries described Mobile Subscriber International ISDN Number to described navigation server; Wherein, carry the URL address of navigation server and service server in the request of described HTTP Operational Visit;
Described navigation server is used for the 2nd IP address of searching the service server of described client ownership according to described Mobile Subscriber International ISDN Number and the request of described HTTP Operational Visit, and described the 2nd IP address is returned to described client.
By the present invention, utilization is initiated to search flow process based on the address of service server of http protocol in the URL address that client terminal presets unified navigation server, resolved the IP address that obtains service server by navigation server, thereby even when the IP address of service server variation has occured, also can find corresponding service server, to realize new business.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the flow chart of the described method for acquiring address of service server of the inventive method embodiment;
Fig. 2 is the signaling diagram of the described method for acquiring address of service server of the inventive method embodiment;
Fig. 3 is the structural representation of the described communication system of system embodiment of the present invention;
Fig. 4 is the structural representation of the described another kind of communication system of system embodiment of the present invention.
Embodiment
Embodiment of the method
Present embodiment provides a kind of method for acquiring address of service server, is illustrated in figure 1 as the flow chart of the method, is illustrated in figure 2 as the signaling diagram of the method, comprising:
Wherein, the request of HTTP Operational Visit is based on the request message of http protocol form; The URL address is the URL address that navigation server and service server share.
After step 102, WAP gateway receive the HTTP Operational Visit request that comes from client, search an IP address of navigation server and the Mobile Subscriber International ISDN Number of described client according to this HTTP Operational Visit request.
Particularly, WAP gateway is according to URL address search to an IP address of carrying in the request of HTTP Operational Visit.Wherein, an IP address refers to the IP address of above-mentioned navigation server.Because in the HTTP browsing process based on WAP gateway, WAP gateway can replace client to initiate the DNS name resolution flow process as acting server in the mobile network.Therefore, as long as in dns server corresponding to WAP gateway, be the address of navigation server with the URL address configuration, then carry out address resolution by dns server and just can find and a corresponding IP address, this URL address.
Wherein, Mobile Subscriber International ISDN Number is that this client is used for dialed number, such as phone number etc.Just can obtain the Mobile Subscriber International ISDN Number of this client by the source address information in the request of HTTP Operational Visit.
Need to prove the inreal operation flow that starts when the navigation server sends the request of HTTP Operational Visit herein.For fear of WAP gateway to the client push reminding rates page, can on WAP gateway, do the white list configuration to the URL address of navigation server.
Particularly, when sending, described Mobile Subscriber International ISDN Number can be inserted in the HTTP data packet head of HTTP query requests and send to described navigation server.
Wherein, service server to be checked is the server that service is provided for the business that the user asks.The IP address table of this service server is shown the 2nd IP address.Particularly, when searching the 2nd IP address, can search the 2nd IP address according to Mobile Subscriber International ISDN Number and URL address according to Mobile Subscriber International ISDN Number decision logic default in the described navigation server; Perhaps (Telephone (E.164) Number Mapping Domain Name System, be called for short: EnumDNS) server is searched the 2nd IP address by calling outside telephone number mapping domain name system.Wherein, EnumDNS adopts the Enum agreement to finish the E.164 mapping between the number and URL address.
It needs to be noted that herein the function of existing dns server is according to default address configuration information address resolution to be carried out in the URL address to obtain corresponding IP address.But existing dns server can not obtain the attaching information of client, can't learn namely which home domain is this client belong to.And in realizing the operation process, some business can provide service by the service server of different home domain, iff the IP address of searching service server by dns server, the service server that finds may be positioned at the home domain of described client, also might be positioned at other territories.
By Mobile Subscriber International ISDN Number and URL address according to client described in this step the IP address is searched, not only can realize the address resolution to the URL address, but also can obtain the 2nd IP address of the service server of this client ownership.Service server by home domain is conducive to realize professional load balancing for client provides service.
It is to be noted in addition, because navigation server and service server share same URL address, if used EnumDNS server is same dns server during the 2nd IP address that used dns server and navigation server were resolved service server when WAP gateway was resolved an IP address of navigation server, the dns server different IP addresses that can not be different server with same URL address resolution then.
In order to address this problem, before navigation server is resolved the URL address, can make amendment to this URL address according to certain rule.For example, can in this URL address, add a difference character string, such as character strings such as " service-platform ".When navigation server sent URL address resolution request to dns server, dns server will find corresponding the 2nd IP address according to amended URL address, thereby obscures when having avoided address resolution like this.
The 2nd IP address that step 105, described navigation server will find returns to described client, according to the 2nd IP address, initiates operation flow to corresponding service server by this client.
Particularly, the 2nd IP address can be carried on and return to described client in the http response message.
By the described method of present embodiment, utilization is initiated to search flow process based on the address of service server of http protocol in the URL address that client terminal presets unified navigation server, resolved the IP address that obtains service server by navigation server, thereby even when the IP address of service server variation has occured, also can find corresponding service server, to realize new business.
System embodiment
Present embodiment provides a kind of communication system, comprises as described in Figure 3: WAP gateway 10, navigation server 20, dns server 30 and client 40.Wherein, WAP gateway 10 and dns server 30 communication connections, navigation server 20 and WAP gateway 10 communication connections, client 40 is by Access Network and WAP gateway 10 communication connections.Its operation principle is as follows:
Be preset with the URL address of navigation server in the first client modules 41 of client 40.In the time will initiating operation flow, the second client modules 42 is carried on the first client modules 41 default URL addresses in the request of HTTP Operational Visit and sends to WAP gateway 10.After the first gateway module 11 of WAP gateway 10 receives the HTTP Operational Visit request that comes from client 40, search an IP address of navigation server 20 and the Mobile Subscriber International ISDN Number of client 40 in the HTTP Operational Visit request that the second gateway module 12 receives according to the first gateway module 11.Particularly, the second gateway module 12 can be searched submodule according to the described IP address of URL address search that is carried in the request of described HTTP Operational Visit by what its inside arranged.
Particularly, WAP gateway 10 can send to the URL address dns server 30.31 pairs of the first domain name modules in the dns server 30 come from the URL address of WAP gateway 10 and carry out the IP address that navigation server 20 is searched in domain name mapping, and the IP address that will check and accept again returns to WAP gateway 10.
The 3rd gateway module 13 in the WAP gateway 10 sends the HTTP query requests that carries Mobile Subscriber International ISDN Number according to the IP address navigation server 20 that the second gateway module 12 finds.
The first navigation module 21 in the navigation server 20 obtains the Mobile Subscriber International ISDN Number of URL address and client according to the HTTP query requests that comes from WAP gateway 10; The 2nd IP address that the second navigation module 22 is searched the service server (not shown) of client 40 ownership according to URL address and the Mobile Subscriber International ISDN Number of 21 acquisitions of the first navigation module.Particularly, the second navigation module 22 can be searched the 2nd IP address according to Mobile Subscriber International ISDN Number and URL address by default Mobile Subscriber International ISDN Number decision logic.Finish search after, the 3rd navigation module 23 in the navigation server 20 returns to client 40 with the 2nd IP address that the second navigation module 22 finds.
The 3rd client modules 43 in the client 40 is initiated operation flow according to the 2nd IP address that receives to corresponding service server.
Need to prove herein, in the communication system EnumDNS server 50 can also be set.When navigation server 20 is searched the 2nd IP address, URL address and the Mobile Subscriber International ISDN Number that the first navigation module 21 obtains can also be sent to EnumDNS server 50, the second domain name module 51 in the EnumDNS server 50 is according to the 2nd IP address of the service server 20 of the Mobile Subscriber International ISDN Number that comes from navigation server 20 and URL address search client 40 ownership, and the 2nd IP address that will find again returns to navigation server 20.
It is pointed out that in addition as shown in Figure 4, if above-mentioned the first domain name module 31 and the second domain name module 51 all use same dns server 60 to resolve.Because navigation server 20 shares same URL address with service server, therefore, the different IP addresses that dns server 60 can not be different server with same URL address resolution.
In order to address this problem, before navigation server 20 is resolved the URL address by the second domain name module 51, can make amendment to this URL address according to certain rule.For example, can in this URL address, add a difference character string, such as character strings such as " service-platform ".When navigation server 20 sent URL address resolution request to dns server 60, the second domain name module 51 in the dns server 60 will find corresponding the 2nd IP address according to amended URL address, thereby obscures when having avoided address resolution like this.
By the described system of present embodiment, utilization is initiated to search flow process based on the address of service server of http protocol in the URL address that client terminal presets unified navigation server, resolved the IP address that obtains service server by navigation server, thereby even when the IP address of service server variation has occured, also can find corresponding service server, to realize new business.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (14)
1. method for acquiring address of service server is characterized in that comprising:
After the WAP (wireless application protocol) WAP gateway receives the HTML (Hypertext Markup Language) HTTP Operational Visit request that comes from client, search an IP address of navigation server and the travelling carriage international number Mobile Subscriber International ISDN Number of described client according to this HTTP Operational Visit request; Wherein, carry the URL address that navigation server and service server share in the request of described HTTP Operational Visit; Described WAP gateway is according to the described IP address of described URL address search;
According to a described IP address, send the HTTP query requests that carries described Mobile Subscriber International ISDN Number to described navigation server;
Described navigation server is searched the 2nd IP address of the service server of described client ownership according to described Mobile Subscriber International ISDN Number and the request of described HTTP Operational Visit;
Described the 2nd IP address is returned to described client.
2. method for acquiring address of service server according to claim 1 is characterized in that,
Described client is carried on default uniform resource locator URL address in the request of described HTTP Operational Visit and sends to described WAP gateway;
Described WAP gateway sends the HTTP query requests that carries described Mobile Subscriber International ISDN Number and described URL address according to a described IP address to described navigation server;
Described navigation server is according to described Mobile Subscriber International ISDN Number and described the 2nd IP address of described URL address search.
3. method for acquiring address of service server according to claim 1 is characterized in that sending the HTTP query requests that carries described Mobile Subscriber International ISDN Number to described navigation server comprises: described Mobile Subscriber International ISDN Number is inserted in the HTTP data packet head of described HTTP query requests and sends to described navigation server.
4. method for acquiring address of service server according to claim 1 is characterized in that described the 2nd IP address is returned to described client to be comprised: the IP address of described service server is carried on returns to described client in the http response message.
5. method for acquiring address of service server according to claim 2 is characterized in that described navigation server comprises according to described Mobile Subscriber International ISDN Number and described the 2nd IP address of described URL address search: according to Mobile Subscriber International ISDN Number decision logic default in the described navigation server or call outside described the 2nd IP address of telephone number mapping domain name system EnumDNS whois lookup.
6. method for acquiring address of service server according to claim 5, it is characterized in that when searching the used domain name system DNS server in a described IP address and searching the used EnumDNS server in described the 2nd IP address and be same dns server, described navigation server is according to also comprising before described Mobile Subscriber International ISDN Number and described the 2nd IP address of described URL address search:
In described URL address, add the difference character string, make described dns server arrive a described IP address according to the URL address search of not adding described difference character string; Find described the 2nd IP address according to the URL address that is added with described difference character string and described Mobile Subscriber International ISDN Number.
7. WAP gateway is characterized in that comprising:
The first gateway module is used for receiving the HTTP Operational Visit request that comes from client; Wherein, carry the URL address that navigation server and service server share in the request of described HTTP Operational Visit;
The second gateway module is used for receiving the request of HTTP Operational Visit according to the first gateway module and searches an IP address of navigation server and the Mobile Subscriber International ISDN Number of described client;
The 3rd gateway module for a described IP address that finds according to the second gateway module, sends the HTTP query requests that carries described Mobile Subscriber International ISDN Number to described navigation server;
Wherein, the second gateway module also comprises:
Search submodule, be used for according to the described IP address of URL address search that is carried on the request of described HTTP Operational Visit.
8. navigation server is characterized in that comprising:
The first navigation module is used for according to the HTTP query requests acquisition URL address that comes from WAP gateway and the Mobile Subscriber International ISDN Number of client; Wherein, the HTTP Operational Visit request that sends according to client of the WAP gateway IP address of searching navigation server; Carry the URL address that navigation server and service server share in the request of described HTTP Operational Visit; And described WAP gateway is according to the IP address of described URL address search navigation server;
The second navigation module is used for the 2nd IP address of searching the service server of described client ownership according to URL address and the Mobile Subscriber International ISDN Number of the acquisition of the first navigation module;
The 3rd navigation module, the 2nd IP address that is used for the second navigation module is found returns to described client.
9. communication system is characterized in that comprising WAP gateway and the navigation server of communication connection, wherein,
Described WAP gateway is used for searching an IP address of navigation server and the Mobile Subscriber International ISDN Number of described client according to the HTTP Operational Visit request that comes from client; And according to a described IP address, send the HTTP query requests that carries described Mobile Subscriber International ISDN Number to described navigation server; Wherein, carry the URL address that navigation server and service server share in the request of described HTTP Operational Visit; Wherein, described WAP gateway specifically is used for, according to the described IP address of described URL address search;
Described navigation server is used for the 2nd IP address of searching the service server of described client ownership according to described Mobile Subscriber International ISDN Number and the request of described HTTP Operational Visit, and described the 2nd IP address is returned to described client.
10. described communication system according to claim 9 is characterized in that described WAP gateway comprises:
The first gateway module is used for receiving the HTTP Operational Visit request that comes from client;
The second gateway module is used for receiving the request of HTTP Operational Visit according to the first gateway module and searches an IP address of navigation server and the Mobile Subscriber International ISDN Number of described client;
The 3rd gateway module for a described IP address that finds according to the second gateway module, sends the HTTP query requests that carries described Mobile Subscriber International ISDN Number to described navigation server.
11. described communication system is characterized in that described WAP gateway also comprises: search submodule, be used for according to the described IP address of URL address search that is carried on the request of described HTTP Operational Visit according to claim 11.
12. described communication system according to claim 9 is characterized in that described navigation server comprises:
The first navigation module is used for according to the HTTP query requests acquisition URL address that comes from WAP gateway and the Mobile Subscriber International ISDN Number of client;
The second navigation module is used for the 2nd IP address of searching the service server of described client ownership according to URL address and the Mobile Subscriber International ISDN Number of the acquisition of the first navigation module;
The 3rd navigation module, the 2nd IP address that is used for the second navigation module is found returns to described client.
13. communication system according to claim 9 characterized by further comprising client, described client comprises:
The first client modules, the URL address that is used for presetting navigation server;
The second client modules is used for that the URL address that the first client modules is preset is carried on the request of HTTP Operational Visit and sends to WAP gateway;
The 3rd client modules is used for initiating operation flow according to the 2nd IP address that receives to corresponding service server.
14. communication system according to claim 9 characterized by further comprising dns server and/or EnumDNS server, wherein,
Described dns server comprises the first domain name module, is used for the IP address that domain name mapping finds navigation server is carried out in the URL address that comes from WAP gateway;
Described EnumDNS server comprises the second domain name module, is used for the 2nd IP address according to the service server of the Mobile Subscriber International ISDN Number that comes from navigation server and URL address search client ownership.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102111457B (en) * | 2009-12-23 | 2014-08-06 | 中国移动通信集团公司 | Service provision system and method |
| CN102546846A (en) * | 2010-12-22 | 2012-07-04 | 中国移动通信集团公司 | Retrieving method, system and device of addresses of business servers |
| CN102647335B (en) * | 2011-02-22 | 2015-03-11 | 中国移动通信集团公司 | Data routing method, device and system |
| CN102647334B (en) * | 2011-02-22 | 2015-07-29 | 中国移动通信集团公司 | A kind of data routing method and device |
| CN102790807B (en) * | 2011-05-16 | 2016-05-25 | 北京奇虎科技有限公司 | Domain name resolution agent method and system, domain name resolution agent server |
| CN103384993B (en) * | 2012-12-14 | 2016-10-12 | 华为技术有限公司 | The reorientation method of user equipment access webpage, gateway and server |
| CN105357212A (en) * | 2015-11-23 | 2016-02-24 | 北京天地互连信息技术有限公司 | DNS end-to-end analysis method capable of ensuring safety and privacy |
| CN106937277B (en) * | 2015-12-30 | 2020-11-17 | 创新先进技术有限公司 | Address updating method and device |
| CN106850813A (en) * | 2017-02-14 | 2017-06-13 | 合网络技术（北京）有限公司 | Network service address changing method and device |
| KR102415645B1 (en) | 2017-03-29 | 2022-07-04 | 삼성전자주식회사 | Device and method for providing multimedia service content |
| CN109379453B (en) * | 2018-12-27 | 2021-11-23 | 网宿科技股份有限公司 | Method and system for detecting IP address of DNS (Domain name Server) outlet server |
| CN111565235A (en) * | 2019-02-14 | 2020-08-21 | 普天信息技术有限公司 | Method and device for obtaining address of multimedia message service server |
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