WO2010006533A1 - 一种域名解析系统、设备及方法 - Google Patents

一种域名解析系统、设备及方法 Download PDF

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Publication number
WO2010006533A1
WO2010006533A1 PCT/CN2009/072166 CN2009072166W WO2010006533A1 WO 2010006533 A1 WO2010006533 A1 WO 2010006533A1 CN 2009072166 W CN2009072166 W CN 2009072166W WO 2010006533 A1 WO2010006533 A1 WO 2010006533A1
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WIPO (PCT)
Prior art keywords
domain name
name resolution
address
dns
mobile terminal
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PCT/CN2009/072166
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English (en)
French (fr)
Inventor
刘旭日
林华生
毕亚娜
吴逸俊
吴博
阳赞锋
段晓东
李益民
陈大港
Original Assignee
华为技术有限公司
中国移动信息集团公司
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Application filed by 华为技术有限公司, 中国移动信息集团公司 filed Critical 华为技术有限公司
Publication of WO2010006533A1 publication Critical patent/WO2010006533A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/45Network directories; Name-to-address mapping
    • H04L61/4505Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
    • H04L61/4511Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a domain name resolution system, device, and method. Background technique
  • WAP Wireless Application Protocol
  • DNS Domain Name System
  • MMS Multimedia Message Service
  • DS Download Service
  • WAP browsing services etc.
  • the gateway proxy mode accesses the server, and the WAP gateway cannot be used to resolve the URL of the service server.
  • the user needs to access the service through the IP address of the service provider (SP).
  • SP service provider
  • the user needs to record the IP address of the SP and bring the subsequent extension of the service. inconvenient. Summary of the invention
  • a domain name resolution system is provided to solve the problem that the data service cannot access the server to resolve the domain name through the WAP gateway proxy.
  • Proxy mode access server resolves domain name issues.
  • a mobile terminal is provided to solve the problem that the data service cannot resolve the domain name through the WAP gateway proxy access server.
  • a method for domain name resolution including:
  • a method for domain name resolution including:
  • a domain name resolution system comprising:
  • a GGSN configured to send, to the mobile terminal, address information of the DNS proxy server according to an activation request of the mobile terminal
  • a DNS proxy server configured to receive a domain name resolution request sent by the mobile terminal, query an IP address corresponding to the domain name of the domain name resolution request query by the domain name system DNS or electronic number domain name system ENUM DNS, and send the IP address to the mobile terminal Sending the IP address corresponding to the domain name resolution request.
  • a domain name system DNS proxy server including:
  • the domain name resolution request receiving module is configured to receive a domain name resolution request sent by the mobile terminal, and the domain name query module is configured to query, by the domain name system DNS or the electronic number domain name system ENUM DNS, an IP address corresponding to the domain name of the domain name resolution request query;
  • a domain address address issuing module configured to send the IP address corresponding to the domain name resolution request to the mobile terminal.
  • a domain address address issuing module configured to send the IP address corresponding to the domain name resolution request to the mobile terminal.
  • a mobile terminal includes:
  • a domain name resolution requesting module configured to send a domain name resolution request to a domain name system DNS proxy server;
  • An IP address receiving module configured to receive the domain name delivered by the DNS proxy server Parsing the IP address corresponding to the request
  • a data communication connection module configured to perform data communication according to the IP address.
  • the embodiment of the present invention receives the domain name resolution request through the DNS proxy server, and queries the domain name system DNS or the electronic number domain name system ENUM DNS to query the IP address corresponding to the domain name of the domain name resolution request query through the DNS proxy server. And sending the queried IP address to the mobile terminal, so that the mobile terminal can access the service through the URL without recording the IP address of the SP, so that the non-WAP service can also be accessed through the URL, which is beneficial to the promotion of the new service. And the perfection of the domain name resolution system.
  • FIG. 1 is a schematic structural diagram of a domain name resolution system according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a GGSN according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a DNS proxy server according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a domain name resolution method according to an embodiment of the present invention.
  • the domain name resolution system of the embodiment of the present invention includes: a GPRS (General Packet Radio Service) support node GGSN 104 for transmitting to a mobile terminal according to an activation request of the mobile terminal 102 (Mobile Station) (MS) 102 delivers an IP (Internet Protocol) address of the DNS proxy server 108; the DNS proxy server 108 is configured to receive a domain name resolution request sent by the mobile terminal 102, and send the domain name system DNS 110 or the electronic number domain name system ENUM ( The IP address of the domain name is queried by the DNS 112, and the IP address of the queried domain name is sent to the mobile terminal 102.
  • GPRS General Packet Radio Service
  • the mobile terminal 102 is configured to initiate a PDP (Packet Data Protocol) activation request to the GGSN 104, and request the DNS proxy server 108 to resolve the domain name, obtain the domain name IP address, and communicate with the SP according to the IP address.
  • the address of the DNS proxy server may be obtained from the PDP activation response returned by the GGSN, or may be directly configured in the mobile terminal.
  • the mobile terminal 102 may be a PC (Personal Computer), an STB (Set-top Box), an NB (Notebook Computer), an HS (Handset, a mobile phone), a GP (Game Player, A mobile terminal device having a communication function, such as a game machine or an ODD (Optical Disc Drive).
  • a mobile phone is taken as an example. Be explained.
  • the GGSN 104 is configured to receive the activation response information from the mobile terminal after receiving the packet data protocol PDP activation request initiated by the mobile terminal 102.
  • the activation response information carries the address information of the DNS proxy server 108.
  • the system further includes: a data server 106, configured to store a correspondence between an IP address of the mobile terminal 102 and a terminal identifier.
  • the terminal identifier is a mobile phone number.
  • the data server 106 can be an AAA (Authentication, Authorization, and Accounting) server or a Radius (Remote Authentication Dial In User Service) server.
  • the DNS proxy server 108 is configured to receive the domain name resolution request sent by the mobile terminal 102, query the DNS 110 or the ENUM DNS 112 to query the IP address corresponding to the domain name of the domain name resolution request query, and deliver the IP address corresponding to the domain name resolution request to the mobile terminal 102. address.
  • the DNS proxy server 108 can also determine whether the IP address of the mobile terminal 102 corresponding to the domain name resolution request is a service in the home domain, and if it is a service in the home location, query the data server 106 for the mobile phone number of the mobile terminal 102 according to the IP address of the mobile terminal. Terminal identification information such as E-mail address.
  • the DNS 110 is configured to return a corresponding IP address according to the domain name resolution request.
  • the DNS 110 stores a correspondence table between the domain name and the IP address, or the DNS 110 stores a domain name and an IP address correspondence table.
  • the ENUM DNS 112 is configured to query a user domain name resolution request, such as an IP address corresponding to a URL (Universal Resource Locator), according to the terminal identifier of the mobile terminal 102.
  • a URL Universal Resource Locator
  • the MS 102 includes: an activation request module 202, a response receiving module 204, a domain name resolution requesting module 206, an IP address receiving module 208, and a data communication connection module 210.
  • the activation request module 202 is configured to initiate a packet data protocol PDP activation request to the GGSN 104.
  • the response receiving module 204 is configured to receive an activation response returned by the GGSN 104, where the activation response carries an IP address of the DNS proxy server 108.
  • the domain name resolution requesting module 206 is configured to send, to the DNS proxy server 108, a domain name resolution request, such as a URL address, activated by the GGSN 104 according to the IP address of the DNS proxy server 108, and the corresponding service, such as: video sharing, video sharing, wireless one button Through PoC or assisted global positioning system AGPS business.
  • a domain name resolution request such as a URL address
  • the corresponding service such as: video sharing, video sharing, wireless one button Through PoC or assisted global positioning system AGPS business.
  • the IP address receiving module 208 is configured to receive the domain name issued by the DNS proxy server 108. Parse the IP address corresponding to the request URL.
  • the data communication connection module 210 is configured to perform a data communication connection according to the IP address corresponding to the domain name resolution request URL.
  • the GGSN 104 includes: an activation request receiving module 302 and an activation response sending module 304.
  • the activation request receiving module 302 is configured to receive a PDP activation request initiated by the mobile terminal 102.
  • the activation response issuance module 304 is configured to return an activation response to the mobile terminal 102, where the activation response carries the address of the DNS proxy server 108.
  • the IP address of the DNS proxy server 108 to be routed is set on the GGSN 104, and when the mobile terminal 102 initiates the activation request, it is directly provided to the mobile terminal 102.
  • the GGSN 104 can also obtain the IP address of the DNS proxy server 108 that needs to be routed from other devices.
  • the DNS proxy server 108 includes: a domain name resolution request receiving module 402, a home determining module 404, a terminal identifier querying module 406, a domain name query module 408, and a domain name address issuing module 410.
  • the domain name resolution request receiving module 402 is configured to receive a domain name resolution request sent by the mobile terminal 102 and activated by the GGSN 104.
  • the attribution determining module 404 is configured to determine whether the service corresponding to the domain name resolution request is a home location service.
  • the terminal identifier querying module 406 is configured to query the terminal identifier information of the mobile terminal 102, such as a mobile phone number or an E-mail address, when the service corresponding to the domain name resolution request is a service in the home location.
  • the queried terminal identification information is sent to the domain name query module 408.
  • the domain name query module 408 is configured to query the DNS 110 or the ENUM DNS 112 for the IP address corresponding to the domain name resolution request, such as the IP address corresponding to the URL.
  • the domain name address issuance module 410 is configured to send the queried IP address corresponding to the domain name resolution request to the mobile terminal 102.
  • the embodiment of the present invention receives the domain name resolution request through the DNS proxy server 108, and queries the domain name system DNS 110 or the electronic number domain name system ENUM DNS 112 for the IP address corresponding to the domain name of the domain name resolution request query through the DNS proxy server 108, and queries the The IP address is sent to the mobile terminal 102, so that the mobile terminal 102 can access the new service through the URL without recording the IP address of the SP, which is very convenient to use, and is beneficial to the promotion of new services and the perfection of the domain name resolution system. And according to the terminal identification letter of the terminal 102 through the ENUM DNS 112 The information is used to determine the IP address corresponding to the new service URL, so that the terminal of the user in the area can access the service at the home location, facilitating the expansion of the service.
  • a domain name resolution method includes the following steps:
  • Step 502 The mobile terminal initiates a PDP activation request to the GGSN.
  • Step 504 The GGSN returns an activation response to the mobile terminal, where the activation response carries an address of the DNS proxy server.
  • Step 506 The mobile terminal sends a domain name resolution request, such as an IP address resolution request corresponding to the URL, to the DNS proxy server according to the IP address of the DNS proxy server.
  • the domain name resolution request is a domain name request after the GGSN is activated.
  • the DNS proxy server may directly receive the domain name resolution request of the mobile terminal.
  • Step 508 The DNS proxy server determines whether the service corresponding to the domain name resolution request is a home service, and if it is a home service, perform step 510; otherwise, perform step 514.
  • Step 510 The DNS proxy server queries the data server for terminal identification information of the mobile terminal, such as identification information such as a mobile phone number or an E-mail address.
  • the data server is for example an AAA server or a Radius server.
  • Step 512 The data server returns the queried terminal identification information to the DNS proxy server.
  • Step 514 The DNS proxy server queries the DNS or ENUM DNS for the IP address corresponding to the domain name resolution request, for example, the IP address corresponding to the URL.
  • the ENUM DNS query URL corresponds to the IP address of the mobile terminal and needs to be queried according to the terminal identifier of the mobile terminal.
  • Step 516 The DNS proxy server receives the IP address of the domain name resolution request that is queried by the DNS or ENUM DNS.
  • Step 518 The DNS proxy server sends the IP address corresponding to the SP to the mobile terminal. And sending the public network IP address or the private network IP address corresponding to the domain name resolution request to the mobile terminal.
  • Step 520 The mobile terminal establishes a communication connection with the SP according to the IP address of the SP.
  • the embodiment of the present invention receives the domain name resolution request activated by the GGSN through the DNS proxy server, and queries the domain name system DNS or the ENUM DNS to query the IP address corresponding to the domain name of the domain name resolution request through the DNS proxy server, and queries the The IP address is sent to the mobile terminal, so that the mobile terminal can access the new service through the URL without recording the IP address of the SP, which is convenient to use, and is beneficial to the promotion of the new service and the perfection of the domain name resolution system. And determining, by the ENUM DNS, the new service URL according to the terminal identification information of the terminal.
  • the IP address enables the terminal that is not the user of the area to access the service at the home location, facilitating the expansion of the service.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Description

一种域名解析系统、 设备及方法 本申请要求于 2008年 07月 15 日提交中国专利局、 申请号为
200810068566.2、 发明名称为"一种域名解析系统、 设备及方法"的中国专利 申请的优先权, 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信技术领域, 尤其涉及一种域名解析系统、 设备及方法。 背景技术
随着科技的发展, 手机上网成为可能, 目前的手机通常采用无线应用协 议 ( Wireless Application Protocol , WAP ) , 通过 WAP网关进行上网, 用 户不需要知道要访问业务的域名系统 ( Domain Name System , DNS ) 的 IP 地址, 也不需要了解 DNS流程, 就可以通过统一资源定位符 ( Universal Resource Locator , URL ) 访问对应的业务服务器, 例如: 多媒体消息业务 ( Multimedia Message Service , MMS )、 下载业务 ( Download Service , DS ) 和 WAP浏览业务等。
但是对于一些新业务, 例如视频共享 (Video Share , VS ) 、 无线一键 通( Push to talk over Cellular, PoC ) 、 辅助全球定位系统( Assistant Global Positioning System , AGPS ) 等, 由于业务流程不采用 WAP网关代理方式 访问服务器, 无法利用 WAP网关解析业务服务器的 URL , 用户需要直接通 过服务提供商 ( Service Provider, SP ) 的 IP地址访问业务, 用户需要记录 SP的 IP地址, 对业务的后续扩展带来不便。 发明内容
有鉴于此, 实有必要提供一种使得方便业务后续扩展的域名解析方法, 以解决非 WAP业务不能进行域名解析域的问题。
同时, 提供一种域名解析系统, 来解决数据业务不能通过 WAP网关代 理方式访问服务器解析域名的问题。
同时, 提供一种 DNS代理服务器, 来解决数据业务不能通过 WAP网关 代理方式访问服务器解析域名的问题。
同时, 提供一种移动终端, 来解决数据业务不能通过 WAP网关代理方 式访问服务器解析域名的问题。
一种域名解析方法, 包括:
接收移动终端发送的域名解析请求;
向域名系统 DNS或电子号码域名系统 ENUM DNS查询所述域名解析请 求查询的域名所对应的 IP地址;
向所述移动终端下发与所述域名解析请求对应的 IP地址。
一种域名解析方法, 包括:
向域名系统 DNS代理服务器发送域名解析请求;
接收由所述 DNS代理服务器下发的与所述域名解析请求对应的 IP地 址。
一种域名解析系统, 包括:
GGSN, 用于根据移动终端的激活请求, 向所述移动终端下发所述 DNS 代理服务器的地址信息;
DNS代理服务器, 用于接收所述移动终端发送的域名解析请求, 向域名 系统 DNS或电子号码域名系统 ENUM DNS查询所述域名解析请求查询的 域名所对应的 IP地址, 及向所述移动终端下发所述与所述域名解析请求对 应的 IP地址。
一种域名系统 DNS代理服务器, 包括:
域名解析请求接收模块, 用于接收移动终端发送的域名解析请求; 域名查询模块, 用于向域名系统 DNS或电子号码域名系统 ENUM DNS 查询所述域名解析请求查询的域名所对应的 IP地址;
域名地址下发模块,用于向所述移动终端下发所述与所述域名解析请求 对应的 IP地址。
域名地址下发模块,用于向所述移动终端下发所述与所述域名解析请求 对应的 IP地址。
一种移动终端, 包括:
域名解析请求模块, 用于向域名系统 DNS代理服务器发送域名解析请 求;
IP地址接收模块, 用于接收由所述 DNS代理服务器下发的与所述域名 解析请求对应的 IP地址;
数据通信连接模块, 用于根据所述 IP地址进行数据通信。
与现有技术相比, 本发明实施例通过 DNS代理服务器接收域名解析请 求, 并通过 DNS代理服务器向域名系统 DNS或电子号码域名系统 ENUM DNS查询所述域名解析请求查询的域名所对应的 IP地址,并将查询到的 IP 地址下发给移动终端, 使得移动终端可以不需要记录 SP的 IP地址就可以 通过 URL来访问业务, 使得非 WAP业务也可以通过 URL来访问, 有利于 新业务的推广及域名解析系统的完善。 附图说明
图 1为本发明实施例域名解析系统结构示意图。
图 2为本发明实施例移动终端结构示意图。
图 3为本发明实施例 GGSN结构示意图。
图 4为本发明实施例 DNS代理服务器结构示意图。
图 5为本发明实施例域名解析方法流程图。
具体实施方式 请参看图 1 , 本发明实施例域名解析系统包括: 网关 GPRS ( General Packet Radio Service , 通用分组无线业务) 支持节点 GGSN104 , 用于根据 移动终端 102的激活请求, 向移动终端( Mobile Station, MS ) 102下发 DNS 代理服务器 108的 IP ( Internet Protocol , 网际协议) 地址; DNS代理服务 器 108 ,用于接收移动终端 102发送的域名解析请求,并向域名系统 DNS110 或电子号码域名系统 ENUM ( Electronic Numbering ) DNS 112查询域名的 IP地址, 同时, 向移动终端 102下发查询到的域名的 IP地址。
移动终端 102, 用于向 GGSN104发起 PDP ( Packet Data Protocol , 分组 数据协议) 激活请求, 并向 DNS代理服务器 108请求解析域名, 得到域名 IP地址后 , 根据该 IP地址与 SP进行通信。 其中, DNS代理服务器的地址 可以从 GGSN返回的 PDP激活响应中获取,也可以在移动终端中直接配置。 本实施例中, 移动终端 102可以是 PC ( Personal Computer, 个人电脑) 、 STB ( Set-top Box , 机顶盒) 、 NB ( Notebook Computer, 笔记本电脑) 、 HS ( Handset, 手机) 、 GP ( Game Player, 游戏机) 或 ODD ( Optical Disc Drive , 光碟机) 等具备通信功能的移动终端设备, 本实施例中以手机为例 进行说明。
GGSN104用于接收移动终端 102发起的分组数据协议 PDP激活请求后, 向移动终端返回激活响应信息, 本实施例中在激活响应信息中携带 DNS代 理服务器 108的地址信息。
该系统还包括: 数据服务器 106 , 用于存储移动终端 102的 IP地址与终 端标识的对应关系, 本实施例中, 终端标识为手机号码。 数据服务器 106 可以是 AAA ( Authentication, Authorization, and Accounting ,认证授权计费 ) 艮务器或 Radius ( Remote Authentication Dial In User Service,远程用户拨号 认证系统) 服务器。
DNS代理服务器 108 , 用于接收移动终端 102发送的域名解析请求, 向 DNS110查询或 ENUM DNS112查询域名解析请求查询的域名所对应的 IP 地址, 及向移动终端 102下发与域名解析请求对应的 IP地址。 DNS代理服 务器 108, 还可以判断域名解析请求对应的移动终端 102的 IP地址是否是 归属域地内的业务, 若是归属地内的业务, 根据移动终端的 IP地址向数据 服务器 106查询移动终端 102的手机号码或 E-mail地址等终端标识信息。
DNS 110 , 用于才艮据域名解析请求返回对应的 IP地址, DNS 110中存储 有域名与 IP地址的对应关系表, 或 DNS110可访问的存储器中存储有域名 与 IP地址对应关系表。 ENUM DNS112,用于根据移动终端 102的终端标识, 查询用户域名解析请求, 如: URL ( Universal Resource Locator , 统一资源 定位符 ) 所对应的 IP地址。
请结合参看图 2 , 本实施例中 MS102包括: 激活请求模块 202 , 响应接 收模块 204、 域名解析请求模块 206、 IP地址接收模块 208和数据通信连接 模块 210。
激活请求模块 202 ,用于向 GGSN104发起分组数据协议 PDP激活请求。 响应接收模块 204 , 用于接收 GGSN104返回的激活响应, 该激活响应 中携带 DNS代理服务器 108的 IP地址。
域名解析请求模块 206 , 用于根据 DNS代理服务器 108的 IP地址, 向 DNS代理服务器 108发送有 GGSN104激活后的域名解析请求, 如 URL地 址, 其对应的业务如: 视频共享 Video Share、 无线一键通 PoC或辅助全球 定位系统 AGPS业务等。
IP地址接收模块 208 , 用于接收有 DNS代理服务器 108下发的与域名 解析请求 URL对应的 IP地址。
数据通信连接模块 210 , 用于根据域名解析请求 URL对应的 IP地址进 行数据通信连接。
请结合参看图 3 , 本实施例中 GGSN104包括: 激活请求接收模块 302 和激活响应下发模块 304。
激活请求接收模块 302 , 用于接收移动终端 102发起的 PDP激活请求。 激活响应下发模块 304 , 用于向移动终端 102返回激活响应, 该激活响 应中携带 DNS代理服务器 108的地址。 本实施例中, 在 GGSN104上设置 需要路由的 DNS代理服务器 108的 IP地址,移动终端 102发起激活请求时, 直接提供给移动终端 102。 当然, GGSN104也可以从其它设备获取需要路 由的 DNS代理月良务器 108的 IP地址。
请结合参看图 4 , 本实施例中, DNS代理服务器 108包括: 域名解析请 求接收模块 402、 归属判断模块 404、 终端标识查询模块 406、 域名查询模 块 408和域名地址下发模块 410。
域名解析请求接收模块 402,用于接收移动终端 102发送的由 GGSN104 激活后的域名解析请求。
归属判断模块 404 , 用于判断域名解析请求对应的业务是否是归属地的 业务。
终端标识查询模块 406, 用于在域名解析请求对应的业务是归属地内的 业务时, 查询所述移动终端 102的终端标识信息, 如手机号码或 E-mail地 址。 将查询到的所述终端标识信息后发送给域名查询模块 408。
域名查询模块 408, 用于向 DNS110或 ENUM DNS112查询域名解析请 求对应的 IP地址, 如 URL对应的 IP地址。
域名地址下发模块 410, 用于向移动终端 102下发查询到的与域名解析 请求对应的 IP地址。
本发明实施例通过 DNS代理服务器 108接收域名解析请求,并通过 DNS 代理服务器 108向域名系统 DNS110或电子号码域名系统 ENUM DNS112 查询所述域名解析请求查询的域名所对应的 IP地址,并将查询到的 IP地址 下发给移动终端 102 ,使得移动终端 102可以不需要记录 SP的 IP地址就可 以通过 URL来访问新业务, 使用起来非常方便, 有利于新业务的推广及域 名解析系统的完善。 并且通过 ENUM DNS112根据终端 102的终端标识信 息来确定新业务 URL对应的 IP地址,使得不是该区域用户的终端可以访问 归属地的业务, 方便业务的扩展。
请参看图 5, 一种域名解析方法, 包括如下步骤:
步骤 502, 移动终端向 GGSN发起 PDP激活请求。
步骤 504 , GGSN向移动终端返回激活响应, 该激活响应中携带 DNS 代理服务器的地址。
步骤 506 , 移动终端根据 DNS代理服务器的 IP地址, 向 DNS代理服务 器发送域名解析请求, 如 URL对应的 IP地址解析请求。 本实施例中, 域名 解析请求是 GGSN激活后的域名请求, 在其他实施例中, 可以是 DNS代理 服务器直接接收移动终端的域名解析请求。
步骤 508 , DNS代理服务器判断域名解析请求对应的业务是否是归属地 的业务, 若是归属地业务, 执行步骤 510; 否则执行步骤 514。
步骤 510 , DNS代理服务器向数据服务器查询移动终端的终端标识信息, 例如手机号码或 E-mail地址等标识信息。 数据服务器例如 AAA服务器或 Radius服务器。
步骤 512 , 数据服务器向 DNS代理服务器返回查询到的终端标识信息。 步骤 514 , DNS代理服务器向 DNS或 ENUM DNS查询域名解析请求对 应的 IP地址, 例如 URL对应的 IP地址。 其中, ENUM DNS查询 URL对 应的 IP地址时 , 需要根据移动终端的终端标识来查询。
步骤 516 , DNS代理服务器接收 DNS或 ENUM DNS返回的查询到的域 名解析请求的 IP地址。
步骤 518, DNS代理服务器向移动终端下发 SP对应的 IP地址。 包括向 所述移动终端下发所述与所述域名解析请求对应的公网 IP地址或私网 IP地 址。
步骤 520 , 移动终端根据 SP的 IP地址与 SP之间建立通信连接。
本发明实施例通过 DNS代理服务器接收由 GGSN激活后的域名解析请 求,并通过 DNS代理服务器向域名系统 DNS或 ENUM DNS查询所述域名 解析请求查询的域名所对应的 IP地址,并将查询到的 IP地址下发给移动终 端, 使得移动终端可以不需要记录 SP的 IP地址就可以通过 URL来访问新 业务, 使用起来非常方便, 有利于新业务的推广及域名解析系统的完善。 并且通过 ENUM DNS根据终端的终端标识信息来确定新业务 URL对应的 IP地址, 使得不是该区域用户的终端可以访问归属地的业务, 方便业务的 扩展。
本领域普通技术人员可以理解,上述方法中的全部或部分步骤可以通过 程序指令相关的硬件完成, 该程序可以存储在计算机可读存储介质中, 所 述计算机可读存储介质如: ROM、 RAM或光盘等。
综上所述, 以上仅为本发明的较佳实施例而已, 并非用于限定本发明的 保护范围。 凡在本发明的精神和原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。

Claims

1.一种域名解析方法, 其特征在于, 包括:
接收移动终端发送的域名解析请求;
向域名系统 DNS或电子号码域名系统 ENUM DNS查询所述域名解析请求 权
查询的域名所对应的 IP地址;
向所述移动终端下发与所述域名解析请求对应的 IP地址。
2.如权利要求 1 所述的域名解析方法, 其特征在于, 所述向 ENUM DNS 查询所述域名解析请求查询的域名所对应的 IP地址还包括:
判断所述域名解析请求对应的业务是否是归属地内的业务;
若所述业务是归属地内的业务, 则根据所述移动终端 IP地址查询所述移 动终端的终端标识信息,根据所述移动终端的标识信书息和所述域名解析请求向 所述 ENUM DNS查询所述域名解析请求查询的域名所对应的 IP地址。
3.如权利要求 2所述的域名解析方法, 其特征在于, 所述查询所述移动终 端的终端标识信息包括:
根据所述移动终端的 IP地址信息, 向认证账号 Radius服务器或认证授权 计费 AAA服务器查询所述移动终端的标识信息。
4.如权利要求 1所述的域名解析方法, 其特征在于, 所述域名解析请求对 应的业务包括: 视频共享 Video Share、 无线一键通 PoC和辅助全球定位系统 AGPS业务中的一种或多种。
5.如权利要求 1所述的域名解析方法, 其特征在于, 所述与所述域名解析 请求对应的 IP地址, 包括公网 IP地址或私网 IP地址。
6.—种域名解析方法, 其特征在于, 包括:
向域名系统 DNS代理服务器发送域名解析请求;
接收由所述 DNS代理服务器下发的与所述域名解析请求对应的 IP地址。
7.如权利要求 6所述的域名解析方法, 其特征在于, 该方法还包括: 向所述 GGSN发起分组数据协议 PDP激活请求;
接收所述 GGSN返回的激活响应, 所述激活响应中携带所述 DNS代理服 务器的地址信息。
8.—种域名解析系统, 其特征在于, 包括:
DNS 代理服务器, 用于接收移动终端发送的域名解析请求, 向域名系统 DNS或电子号码域名系统 ENUM DNS查询所述域名解析请求查询的域名所对 应的 IP地址,及向所述移动终端下发所述与所述域名解析请求对应的 IP地址; 该系统还包括: DNS或 ENUM DNS , 所述 DNS用于查询所述域名解析请 求对应的 IP地址; 所述 ENUM DNS用于根据所述移动终端的标识信息和所述 域名解析请求查询对应的 IP地址。
9.如权利要求 8所述的域名解析系统,其特征在于, 该系统还包括: GGSN, 用于根据移动终端的激活请求, 向所述移动终端下发所述 DNS代理服务器的 地址信息。
10.—种域名系统 DNS代理服务器, 其特征在于, 包括:
域名解析请求接收模块, 用于接收移动终端发送的域名解析请求; 域名查询模块,用于向域名系统 DNS或电子号码域名系统 ENUM DNS查 询所述域名解析请求查询的域名所对应的 IP地址;
域名地址下发模块, 用于向所述移动终端下发所述与所述域名解析请求对 应的 IP地址。
11.如权利要求 10所述的 DNS代理服务器, 其特征在于, 该 DNS代理服 务器还包括:
归属判断模块, 判断所述域名解析请求对应的业务是否是归属地内的业 务;
终端标识查询模块, 用于在域名解析请求对应的业务是否是归属地内的业 务时, 查询所述移动终端的终端标识信息, 并发送给所述域名查询模块。
12.—种移动终端, 其特征在于, 包括: 域名解析请求模块, 用于向域名系统 DNS代理服务器发送域名解析请求; IP地址接收模块, 用于接收由所述 DNS代理服务器下发的与所述域名解 析请求对应的 IP地址;
数据通信连接模块, 用于根据所述 IP地址进行数据通信。
13.如权利要求 12所述的移动终端, 其特征在于, 还包括:
激活请求模块, 用于向所述 GGSN发起分组数据协议 PDP激活请求; 响应接收模块, 用于接收所述 GGSN返回的激活响应 , 所述激活响应中携 带所述 DNS代理服务器的地址信息。
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