WO2013178160A1 - 无线数据终端及其支持IPv4/IPv6双栈的方法 - Google Patents

无线数据终端及其支持IPv4/IPv6双栈的方法 Download PDF

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Publication number
WO2013178160A1
WO2013178160A1 PCT/CN2013/079888 CN2013079888W WO2013178160A1 WO 2013178160 A1 WO2013178160 A1 WO 2013178160A1 CN 2013079888 W CN2013079888 W CN 2013079888W WO 2013178160 A1 WO2013178160 A1 WO 2013178160A1
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WIPO (PCT)
Prior art keywords
network
network connection
ipv4
ipv6
wireless data
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PCT/CN2013/079888
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English (en)
French (fr)
Inventor
赵永刚
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US14/439,774 priority Critical patent/US9537980B2/en
Priority to EP13796742.8A priority patent/EP2911466A4/en
Publication of WO2013178160A1 publication Critical patent/WO2013178160A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H04L69/167—Adaptation for transition between two IP versions, e.g. between IPv4 and IPv6
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/32—Release of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
    • H04W80/045—Network layer protocols, e.g. mobile IP [Internet Protocol] involving different protocol versions, e.g. MIPv4 and MIPv6

Definitions

  • the present invention relates to the field of mobile wireless communication technologies, and in particular, to a wireless data terminal and a method for supporting a dual stack of IPv4 (Internet Protocol Version 4)/Internet Protocol Version 6 (IPv6).
  • IPv4 Internet Protocol Version 4
  • IPv6 Internet Protocol Version 6
  • IPv6 is used to solve the problem of insufficient network space address in IPv4.
  • IPv4 networks and IPv6 networks will coexist for a period of time.
  • Dual-stack technology is an effective technology for IPv4 to IPv6 transition. To apply this technology, you need to configure the network.
  • the nodes on the side support the IPv4/IPv6 protocol stack. In this way, the network node can send and receive IPv4 packets as well as IPv6 packets.
  • the user accesses the user terminal such as a personal computer (PC) through the wireless data terminal to the network.
  • PC personal computer
  • the main purpose of the embodiments of the present invention is to provide a wireless data terminal and a method for supporting the IPv4/IPv6 dual stack, so as to at least solve the problem that the wireless data terminal cannot support the user terminal to simultaneously access the IPv4 network and the IPv6 network. problem.
  • the embodiment of the invention provides a method for a wireless data terminal to support an IPv4/IPv6 dual stack, the method comprising:
  • the wireless data terminal maps a modem (Modem) port and a network driver interface specification (NDIS) port at the user terminal;
  • the wireless data terminal receives the network connection instruction, initiates a Packet Data Protocol (PDP) context activation request to the network that the user desires to connect, and establishes a network connection according to the mapped port after the network successfully responds to the PDP context activation request.
  • PDP Packet Data Protocol
  • the method further comprises:
  • the wireless data terminal receives the network disconnection command, initiates a PDP context deactivation request to the network that the user desires to disconnect, and disconnects the network connection after the network successfully responds to the PDP context deactivation request.
  • the network connection comprises: an IPv4 single stack network connection, an IPv6 single stack network connection or an IPv4/IPv6 dual stack network connection.
  • the establishing a network connection according to the mapped port includes:
  • the received command is an IPv4 single-stack network connection command
  • the data transmission channel established on the modem port mapped by the user terminal or the NDIS port to the IPv4 network side port is established;
  • the data transmission channel is established on the NDIS port mapped to the IPv6 network side port mapped by the user terminal;
  • the received command is an IPv4/IPv6 dual-stack network connection command
  • the data transmission channel of the Modem port mapped to the IPv4 network side port mapped by the user terminal is established, and the data transmission of the NDIS port to the IPv6 network side port mapped by the user terminal is established. aisle.
  • the method further includes:
  • the wireless data terminal initiates a PDP context activation request to the disconnected network to reestablish the network connection.
  • the embodiment of the present invention further provides a wireless data terminal, where the wireless data terminal includes: a mapping unit, an instruction receiving unit, and a network connecting unit;
  • the mapping unit is configured to map a Modem port and an NDIS port on the user terminal; the instruction receiving unit is configured to receive a network connection instruction; The network connection unit is configured to: when the instruction receiving unit receives the network connection instruction, initiate a PDP context activation request to the network that the user desires to connect; after the network successfully responds to the PDP context activation request, according to the mapping unit on the user terminal Map the port to establish a network connection.
  • the wireless data terminal further includes:
  • a network disconnecting unit configured to initiate a PDP context deactivation request to the network that the user desires to disconnect when the instruction receiving unit receives the network disconnection instruction; disconnect the network connection after the network successfully responds to the PDP context deactivation request ;
  • the instruction receiving unit is further configured to receive a network disconnection instruction.
  • the network connection comprises: an IPv4 single stack network connection, an IPv6 single stack network connection or an IPv4/IPv6 dual stack network connection.
  • the network connection unit is further configured to: when the instruction receiving unit receives the IPv4 single-stack network connection instruction, establish a data transmission channel of the mapping unit in the modem port mapped by the user terminal or the NDIS port to the IPv4 network side port;
  • the instruction receiving unit When the instruction receiving unit receives the IPv6 single-stack network connection instruction, establish a data transmission channel of the mapping unit on the NDIS port mapped by the user terminal to the IPv6 network side port;
  • the instruction receiving unit When the instruction receiving unit receives the IPv4/IPv6 dual-stack network connection instruction, the data transmission channel of the mapping unit is mapped from the modem port mapped by the user terminal to the IPv4 network side port, and the mapping unit is mapped to the NDIS port of the user terminal to the IPv6 network.
  • the data transmission channel of the side port When the instruction receiving unit receives the IPv4/IPv6 dual-stack network connection instruction, the data transmission channel of the mapping unit is mapped from the modem port mapped by the user terminal to the IPv4 network side port, and the mapping unit is mapped to the NDIS port of the user terminal to the IPv6 network.
  • the data transmission channel of the side port When the instruction receiving unit receives the IPv4/IPv6 dual-stack network connection instruction, the data transmission channel of the mapping unit is mapped from the modem port mapped by the user terminal to the IPv4 network side port, and the mapping unit is mapped to the NDIS port of the user terminal to the IP
  • the network connection unit is further configured to initiate a PDP context activation request to the disconnected network and establish a network when the IPv4/IPv6 dual-stack network connection is established, and the IPv4 network connection or the IPv6 network connection is abnormally disconnected. connection.
  • the wireless data terminal maps the Modem port and the NDIS port in the user terminal; the wireless data terminal receives the network connection instruction, and expects the user to The connected network initiates a PDP context activation request, and after the network successfully responds to the PDP context activation request, establishes a network connection according to the mapped port, ensuring that the user terminal can establish a single stack or a dual stack according to the user's needs when connecting to the network through the wireless data terminal.
  • Network connection which is convenient for users to use the network and enhances the user experience.
  • the wireless data terminal establishes an IPv4 single-stack network connection
  • the user terminal is connected to the IPv4 network by using the mapped Modem port or the NDIS port
  • the wireless data terminal establishes an IPv6 single-stack network connection
  • the user terminal is configured by using the mapped NDIS port. Accessing the IPv6 network; If the wireless data terminal establishes an IPv4/IPv6 dual-stack network connection, the user terminal is connected to the IPv4 network by using the mapped Modem port, and the user terminal is connected to the IPv6 network by using the mapped NDIS port. In this way, a single-stack or dual-stack network connection can be established according to user needs, which improves the user experience.
  • FIG. 1 is a schematic flowchart of an implementation process of a wireless data terminal supporting an IPv4/IPv6 dual stack method according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a structure supporting an IPv4/IPv6 dual-stack wireless data terminal according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of an implementation process of a wireless data terminal accessing network supporting IPv4/IPv6 dual stack according to an embodiment of the present invention. detailed description
  • FIG. 1 is a schematic flowchart of a method for supporting a dual data stacking method of a wireless data terminal according to an embodiment of the present invention, as shown in FIG. 1 , including:
  • Step 101 The wireless data terminal maps a Modem port and an NDIS port at the user terminal.
  • the user terminal is a personal computer PC having a Universal Serial Bus (USB) interface, including: a desktop computer, a notebook computer, and Handheld computer
  • USB Universal Serial Bus
  • the terminal is connected to the wireless data terminal via a USB interface.
  • the mapping, by the wireless data terminal, the Modem port and the NDIS port on the user terminal includes:
  • the wireless data terminal simultaneously configures the Modem port and the NDIS port by driving on the user terminal side.
  • Step 102 The wireless data terminal receives the network connection instruction, initiates a PDP context activation request to the network that the user desires to connect, and establishes a network connection according to the mapped port after the network successfully responds to the PDP context activation request.
  • the method further includes:
  • the wireless data terminal receives the network disconnection command, initiates a PDP context deactivation request to the network that the user desires to disconnect, and disconnects the network connection after the network successfully responds to the PDP context deactivation request.
  • the method before the wireless data terminal receives the network connection instruction, the method further includes:
  • the user terminal receives a network connection command through a user interface (UI, User Interface), and sends the network connection command to the wireless data terminal;
  • UI User Interface
  • the method further includes:
  • the user terminal receives the network disconnection command through the UI, and transmits the network disconnection command to the wireless data terminal.
  • the network connection comprises: an IPv4 single stack network connection, an IPv6 single stack network connection or an IPv4/IPv6 dual stack network connection.
  • the wireless data terminal when receiving the IPv4/IPv6 dual-stack network connection instruction, the wireless data terminal initiates a PDP context activation request to the IPv4/IPv6 network, including:
  • the wireless data terminal first initiates a PDP context activation request to the IPv6 network, and then initiates a PDP context activation request to the IPv4 network;
  • the wireless data terminal first initiates a PDP context activation request to the IPv4 network and then initiates a PDP context activation request to the IPv6 network.
  • the network responds to the PDP context activation request, including:
  • a GPRS (General Packet Radio Service) support node (SGSN) and a Gateway GPRS Support Node (GGSN) in the network perform PDP context activation operations according to 3GPP procedures, and After the operation is successful, a PDP context activation accept message is returned to the wireless data terminal to identify that the response PDP context activation request is successful. If the operation fails, a PDP context activation rejection message is returned to the wireless data terminal to identify that the response PDP context activation request fails.
  • SGSN General Packet Radio Service
  • GGSN Gateway GPRS Support Node
  • the process of the network responding to the PDP context deactivation request is the same as the process of the network responding to the PDP context activation request, and details are not described herein.
  • the wireless data terminal establishes a network connection according to the mapped port, and includes: if the received command is an IPv4 single-stack network connection command, establishing data of the Modem port or the NDIS port to the IPv4 network side port mapped by the user terminal.
  • Transmission channel
  • the data transmission channel is established on the NDIS port mapped to the IPv6 network side port mapped by the user terminal;
  • the received command is an IPv4/IPv6 dual-stack network connection command
  • the data transmission channel of the Modem port mapped to the IPv4 network side port mapped by the user terminal is established; and the data transmission of the NDIS port mapped to the IPv6 network side port mapped by the user terminal is established. aisle.
  • the wireless data terminal accesses the corresponding network on the port mapped by the user terminal, the wireless data terminal further includes:
  • the wireless data terminal responds to the request of the user terminal, and informs the user of the domain name system (DNS) address currently accessed by the terminal and the network protocol (IP, Internet Protocol) address allocated to the user terminal.
  • DNS domain name system
  • IP Internet Protocol
  • the wireless data terminal further includes: The user terminal deletes the DNS address and IP address corresponding to the locally saved network disconnected from the user terminal.
  • the method further includes:
  • the wireless data terminal initiates a PDP context activation request to the disconnected network to reestablish the network connection.
  • the wireless data terminal initiates a PDP context activation request to the disconnected network to attempt to establish a network connection and, after the number of attempts exceeds a predetermined threshold, through the user
  • the terminal UI reports to the user the currently disconnected network connection.
  • the method further includes:
  • the wireless data terminal reports to the user that the IPv6 single-stack network connection fails through the user terminal UI, and prompts the user whether to continue to attempt to establish an IPv6 single-stack network connection, or prompts the user to establish an IPv4 single-stack network connection.
  • the method further includes:
  • the wireless data terminal reports to the user through the user terminal UI that the IPv4/IPv6 dual-stack network connection fails, and prompts the user whether to continue to attempt to establish an IPv4/IPv6 dual-stack network connection, or prompts the user to establish an IPv4 single-stack network connection.
  • the wireless data terminal includes: a mapping unit 21, an instruction receiving unit 22, and a network connection unit 23;
  • the mapping unit 21 is configured to map the Modem port and the NDIS port in the user terminal, and the instruction receiving unit 22 is configured to receive the network connection instruction;
  • the network connection unit 23 is configured to initiate a PDP context activation request to the network that the user desires to connect when the instruction receiving unit 22 receives the network connection instruction; and establish a network connection after the network successfully responds to the PDP context activation request.
  • the wireless data terminal further includes:
  • the network disconnecting unit 24 is configured to initiate a PDP context deactivation request to the network that the user desires to disconnect when the instruction receiving unit 22 receives the network disconnection instruction; disconnect the network connection after the network successfully responds to the PDP context deactivation request ;
  • the instruction receiving unit 22 is further configured to receive a network disconnection command.
  • the network connection comprises: an IPv4 single stack network connection, an IPv6 single stack network connection or an IPv4/IPv6 dual stack network connection.
  • the network connection unit 23 is further configured to: when the instruction receiving unit receives the IPv4 single-stack network connection instruction, establish a data transmission channel of the mapping unit 21 on the modem port or the NDIS port to the IPv4 network side port mapped by the user terminal; When receiving the IPv6 single-stack network connection instruction, the instruction receiving unit establishes a data transmission channel of the mapping unit 21 from the NDIS port mapped by the user terminal to the IPv6 network side port; when the instruction receiving unit receives the IPv4/IPv6 dual-stack network connection instruction, The data transmission channel of the mapping unit 21 to the IPv4 network side port mapped by the user terminal is established, and the data transmission channel of the mapping unit 21 from the NDIS port mapped to the IPv6 network side port of the user terminal is established.
  • the network connection unit 23 is further configured to initiate a PDP context activation request to the disconnected network and establish a network connection when the IPv4/IPv6 dual-stack network connection is established, and the IPv4 network connection or the IPv6 network connection is abnormally disconnected.
  • Embodiment 3 is further configured to initiate a PDP context activation request to the disconnected network and establish a network connection when the IPv4/IPv6 dual-stack network connection is established, and the IPv4 network connection or the IPv6 network connection is abnormally disconnected.
  • FIG. 3 is a schematic flowchart of implementing a wireless data terminal access network supporting an IPv4/IPv6 dual stack according to an embodiment of the present invention. As shown in FIG. 3, the method includes:
  • Step 301 The wireless data terminal receives the IPv4/IPv6 dual-stack network connection configuration information. Before the IPv4/IPv6 dual-stack network connection, the wireless data terminal receives the dual-stack network connection configuration information, including the access point name (APN, Access Point Name). And authentication information.
  • APN Access Point Name
  • Step 302 The wireless data terminal receives an IPv4/IPv6 dual stack network connection instruction.
  • the user issues an IPv4/IPv6 dual-stack network connection command to the wireless data terminal through the user terminal UI.
  • Step 303 The wireless data terminal initiates a PDP context activation request to the IPv6 network.
  • the node SGSN and the GGSN in the IPv6 network perform a PDP context activation operation, including parsing the APN and user authentication, and returning to the wireless data terminal after the operation succeeds.
  • the PDP context activates the accept message, and if the operation fails, returns a PDP context activation reject message to the wireless data terminal.
  • Step 304 to step 306 If the IPv6 network successfully responds to the PDP context activation request, the wireless data terminal establishes an IPv6 network connection and initiates a PDP context activation request to the IPv4 network; otherwise, reports that the IPv4/IPv6 dual stack network connection fails;
  • the wireless data terminal reports the IPv4/IPv6 dual-stack network connection failure message to the user through the user terminal UI; preferably, prompts the user whether to continue to attempt to establish an IPv4/IPv6 dual-stack network connection, or prompts the user whether to establish an IPv4 single stack. Internet connection.
  • step 306 the wireless data terminal establishes a data transmission channel from the NDIS port to the IPv6 network side port; and in response to the user terminal request, informs the user terminal of the domain name system DNS address of the IPv6 network currently accessed by the terminal and the IP address assigned to the user terminal.
  • Step 307 to step 309 If the IPv4 network successfully responds to the PDP context activation request, the wireless data terminal establishes an IPv4 network connection, and reports that the IPv4/IPv6 dual-stack network connection is successful; Otherwise, the IPv4/IPv6 dual stack network connection is reported to have failed.
  • step 308 when the IPv4 network successfully responds to the PDP context activation request, the wireless data terminal accesses the IPv4 network on the Modem port mapped by the user terminal, establishes a data transmission channel from the Modem port to the IPv6 network side port, and informs the user terminal of the current data.
  • the wireless data terminal maps the Modem port and the NDIS port in the user terminal; the wireless data terminal receives the network connection instruction, initiates a PDP context activation request to the network that the user desires to connect, and successfully responds to the PDP in the network.
  • the network connection is established according to the mapped port, and the user terminal can establish a single-stack or dual-stack network connection according to the user's needs when connecting to the network through the wireless data terminal, thereby facilitating the user's use of the network and improving the user experience.

Abstract

本发明实施例公开了一种无线数据终端支持网际协议版本4/网际协议版本6（IPv4/IPv6）双栈的方法，包括：无线数据终端在用户终端映射调制解调器（Modem）端口和网络驱动接口规范（NDIS）端口；无线数据终端接收建立网络连接的指令，向用户期望连接的网络发起PDP上下文激活请求，并在网络成功响应PDP上下文激活请求后，根据映射的端口，建立网络连接。本发明实施例同时还公开了一种支持IPv4/IPv6双栈的无线数据终端，应用本发明实施例的技术方案，用户可通过无线数据终端将用户终端同时接入IPv4/IPv6网络，也可根据需要接入IPv4网络或IPv6网络。

Description

无线数据终端及其支持 IPv4/IPv6双栈的方法 技术领域
本发明涉及移动无线通信技术领域， 尤其涉及一种无线数据终端及其 支持网际协议版本 4 ( IPv4, Internet Protocol Version 4 ) /网际协议版本 6 ( IPv6， Internet Protocol Version 6 )双栈的方法。 背景技术
IPv6用以解决采用 IPv4存在的网络空间地址不足的问题， 但 IPv4网 络和 IPv6网络在一段时期内还将共存， 双栈技术是 IPv4向 IPv6过渡的一 种有效技术， 应用此技术， 需要配置网络侧的节点支持 IPv4/IPv6协议栈， 如此， 网络节点既可以收发 IPv4的数据包， 也可以收发 IPv6的数据包。
用户通过无线数据终端将个人电脑 （PC， Personal Computer )等用户 终端接入网络， 然而， 相关技术中， 对于在无线数据终端侧支持用户终端 同时接入 IPv4网络和 IPv6网络， 尚无解决方案。 发明内容
有鉴于此， 本发明实施例的主要目的在于提供一种无线数据终端及其 支持 IPv4/IPv6双栈的方法， 以至少解决在无线数据终端侧不能支持用户终 端同时接入 IPv4网络和 IPv6网络的问题。
为达到上述目的， 本发明实施例的技术方案是这样实现的：
本发明实施例提供了一种无线数据终端支持 IPv4/IPv6双栈的方法， 该 方法包括：
无线数据终端在用户终端映射调制解调器 （Modem )端口和网络驱动 接口规范 （NDIS， Network Driver Interface Specification )端口； 无线数据终端接收网络连接指令， 向用户期望连接的网络发起分组数 据协议（ PDP， Packet Data Protocol )上下文激活请求， 并在网络成功响应 PDP上下文激活请求后， 根据映射的端口， 建立网络连接。
优选地， 该方法还包括：
无线数据终端接收网络断开指令， 向用户期望断开的网络发起 PDP上 下文去激活请求， 并在网络成功响应 PDP上下文去激活请求后， 断开网络 连接。
优选地， 所述网络连接包括： IPv4单栈网络连接、 IPv6单栈网络连接 或 IPv4/IPv6双栈网络连接。
优选地， 所述根据映射的端口， 建立网络连接， 包括：
若接收的指令为 IPv4 单栈网络连接指令， 则建立在用户终端映射的 Modem端口或 NDIS端口到 IPv4网络侧端口的数据传输通道；
若接收的指令为 IPv6 单栈网络连接指令， 则建立在用户终端映射的 NDIS端口到 IPv6网络侧端口的数据传输通道；
若接收的指令为 IPv4/IPv6双栈网络连接指令， 则建立在用户终端映射 的 Modem端口到 IPv4网络侧端口的数据传输通道， 并建立在用户终端映 射的 NDIS端口到 IPv6网络侧端口的数据传输通道。
优选地， 在无线数据终端建立 IPv4/IPv6双栈网络连接， 且 IPv4网络 连接或 IPv6网络连接异常断开时， 该方法还包括：
无线数据终端向断开连接的网络发起 PDP上下文激活请求， 重新建立 网络连接。
本发明实施例还提供了一种无线数据终端， 该无线数据终端包括： 映 射单元、 指令接收单元和网络连接单元； 其中，
所述映射单元， 配置为在用户终端上映射 Modem端口和 NDIS端口； 所述指令接收单元， 配置为接收网络连接指令； 所述网络连接单元， 配置为在所述指令接收单元接收到网络连接指令 时，向用户期望连接的网络发起 PDP上下文激活请求；在网络成功响应 PDP 上下文激活请求后， 根据映射单元在用户终端上映射的端口， 建立网络连 接。
优选地， 该无线数据终端还包括：
网络断开单元， 配置为在所述指令接收单元接收到网络断开指令时， 向用户期望断开的网络发起 PDP上下文去激活请求； 在网络成功响应 PDP 上下文去激活请求后， 断开网络连接；
所述指令接收单元， 还配置为接收网络断开指令。
优选地， 所述网络连接包括： IPv4单栈网络连接、 IPv6单栈网络连接 或 IPv4/IPv6双栈网络连接。
优选地， 所述网络连接单元， 还配置为在指令接收单元接收到 IPv4单 栈网络连接指令时， 建立映射单元在用户终端映射的 Modem端口或 NDIS 端口到 IPv4网络侧端口的数据传输通道；
在指令接收单元接收到 IPv6单栈网络连接指令时， 建立映射单元在用 户终端映射的 NDIS端口到 IPv6网络侧端口的数据传输通道；
在指令接收单元接收到 IPv4/IPv6双栈网络连接指令时， 建立映射单元 在用户终端映射的 Modem端口到 IPv4网络侧端口的数据传输通道， 并建 立映射单元在用户终端映射的 NDIS端口到 IPv6网络侧端口的数据传输通 道。
优选地，所述网络连接单元，还配置为在建立 IPv4/IPv6双栈网络连接， 且 IPv4网络连接或 IPv6网络连接异常断开时，向断开连接的网络发起 PDP 上下文激活请求， 重新建立网络连接。
本发明实施例所提供的技术方案中， 无线数据终端在用户终端映射 Modem端口和 NDIS端口； 无线数据终端接收网络连接指令， 向用户期望 连接的网络发起 PDP上下文激活请求，并在网络成功响应 PDP上下文激活 请求后， 根据映射的端口建立网络连接， 保证用户终端在通过无线数据终 端连接网络时， 可根据用户需要建立单栈或双栈网络连接， 方便用户对网 络的使用， 提升了用户体验。
并且， 若无线数据终端建立 IPv4单栈网络连接， 则利用映射的 Modem 端口或 NDIS端口将用户终端接入 IPv4网络； 若无线数据终端建立 IPv6单 栈网络连接， 则利用映射的 NDIS端口将用户终端接入 IPv6网络； 若无线 数据终端建立 IPv4/IPv6双栈网络连接， 则利用映射的 Modem端口将用户 终端接入 IPv4网络， 并利用映射的 NDIS端口将用户终端接入 IPv6网络。 如此， 可根据用户需要建立单栈或双栈网络连接， 提升了用户体验。 附图说明
图 1为本发明实施例的无线数据终端支持 IPv4/IPv6双栈方法的实现流 程示意图；
图 2为本发明实施例的支持 IPv4/IPv6双栈无线数据终端的组成结构示 意图；
图 3为本发明实施例的支持 IPv4/IPv6双栈的无线数据终端接入网络的 实现流程示意图。 具体实施方式
实施例一
图 1为本发明实施例的无线数据终端支持 IPv4/IPv6双栈方法的实现流 程示意图， 如图 1所示， 包括：
步骤 101 : 无线数据终端在用户终端映射 Modem端口和 NDIS端口； 其中， 所述用户终端为具有通用串行总线（USB， Universal Serial Bu s )接口的个人电脑 PC， 包括： 台式电脑、 笔记本电脑和掌上电脑， 所述用 户终端与无线数据终端通过 USB接口连接。
优选地， 所述无线数据终端在用户终端映射 Modem端口和 NDIS端口 包括：
无线数据终端在用户终端侧通过驱动同时配置 Modem端口和 NDIS端 口。
步骤 102: 无线数据终端接收网络连接指令， 向用户期望连接的网络发 起 PDP上下文激活请求， 并在网络成功响应 PDP上下文激活请求后， 根据 映射的端口， 建立网络连接。
优选地， 在无线数据终端建立网络连接后， 还包括：
无线数据终端接收网络断开指令， 向用户期望断开的网络发起 PDP上 下文去激活请求， 并在网络成功响应 PDP上下文去激活请求后， 断开网络 连接。
优选地， 在无线数据终端接收网络连接指令之前， 还包括：
用户终端通过用户界面（ UI， User Interface )接收网络连接指令， 并将 所述网络连接指令发送给无线数据终端；
相应地， 在无线数据终端接收网络断开指令之前， 还包括：
用户终端通过 UI接收网络断开指令， 并将所述网络断开指令发送给无 线数据终端。
优选地， 所述网络连接包括： IPv4单栈网络连接、 IPv6单栈网络连接 或 IPv4/IPv6双栈网络连接。
优选地， 无线数据终端接收到 IPv4/IPv6 双栈网络连接指令时， 向 IPv4/IPv6网络发起 PDP上下文激活请求， 包括：
无线数据终端首先向 IPv6网络发起 PDP上下文激活请求，然后向 IPv4 网络发起 PDP上下文激活请求；
或者， 无线数据终端首先向 IPv4网络发起 PDP上下文激活请求，然后向 IPv6 网络发起 PDP上下文激活请求。
优选地， 所述网络响应 PDP上下文激活请求， 包括：
网络中服务通用分组无线服务（GPRS， General Packet Radio Service) 支持节点 （SGSN， Serving GPRS Support Node )和网关 GPRS 支持节点 ( GGSN, Gateway GPRS Support Node )， 按照 3GPP的规程进行 PDP上下 文激活操作， 并在操作成功后向无线数据终端返回 PDP上下文激活接受消 息， 以标识响应 PDP上下文激活请求成功， 若操作失败， 则向无线数据终 端返回 PDP上下文激活拒绝消息， 以标识响应 PDP上下文激活请求失败。
其中， 所述网络响应 PDP 上下文去激活请求的流程与所述网络响应 PDP上下文激活请求的流程相同， 不再赘述。
优选地， 所述无线数据终端根据映射的端口， 建立网络连接， 包括： 若接收的指令为 IPv4 单栈网络连接指令， 则建立在用户终端映射的 Modem端口或 NDIS端口到 IPv4网络侧端口的数据传输通道；
若接收的指令为 IPv6 单栈网络连接指令， 则建立在用户终端映射的 NDIS端口到 IPv6网络侧端口的数据传输通道；
若接收的指令为 IPv4/IPv6双栈网络连接指令， 则建立在用户终端映射 的 Modem端口到 IPv4网络侧端口的数据传输通道； 并建立在用户终端映 射的 NDIS端口到 IPv6网络侧端口的数据传输通道。
优选地， 无线数据终端将在用户终端映射的端口接入对应的网络后， 还包括：
无线数据终端响应用户终端请求， 告知用户终端当前接入网络的域名 系统（ DNS， Domain Name System )地址和为用户终端分配的网络协议（ IP， Internet Protocol )地址。
优选地， 无线数据终端在断开网络连接后， 还包括： 用户终端删除本地保存的、 与用户终端断开连接的网络对应的 DNS地 址和 IP地址。
优选地， 在无线数据终端接收 IPv4/IPv6 双栈网络连接指令并建立 IPv4/IPv6双栈网络连接后，且 IPv4网络连接或 IPv6网络连接异常断开时， 还包括：
无线数据终端向断开的网络发起 PDP上下文激活请求， 重新建立网络 连接。
在无线数据终端重新建立网络连接的一个优选的实施方式中， 无线数 据终端向断开的网络发起 PDP上下文激活请求， 以尝试建立网络连接， 并 在尝试次数超过预先设定的阈值后， 通过用户终端 UI向用户报告当前已断 开的网络连接。
优选地， 在无线数据终端接收到 IPv6 单栈网络连接指令后， 向 IPv6 网络发起 PDP上下文激活请求， 且 IPv6网络没有成功响应 PDP上下文激 活请求时， 还包括：
无线数据终端通过用户终端 UI向用户报告 IPv6单栈网络连接失败， 并提示用户是否继续尝试建立 IPv6单栈网络连接， 或者提示用户是否建立 IPv4单栈网络连接。
优选地，在无线数据终端接收到 IPv4/IPv6双栈网络连接指令后，向 IPv6 网络发起 PDP上下文激活请求， 且 IPv6网络没有成功响应 PDP上下文激 活请求时， 还包括：
无线数据终端通过用户终端 UI向用户报告 IPv4/IPv6双栈网络连接失 败， 并提示用户是否继续尝试建立 IPv4/IPv6双栈网络连接， 或者提示用户 是否建立 IPv4单栈网络连接。
实施例二
图 2为本发明实施例的支持 IPv4/IPv6双栈无线数据终端的组成结构示 意图， 如图 2所示， 该无线数据终端包括： 映射单元 21、 指令接收单元 22 和网络连接单元 23; 其中，
映射单元 21， 配置为在用户终端映射 Modem端口和 NDIS端口； 指令接收单元 22， 配置为接收网络连接指令；
网络连接单元 23， 配置为在指令接收单元 22接收到网络连接指令时， 向用户期望连接的网络发起 PDP上下文激活请求；在网络成功响应 PDP上 下文激活请求后， 建立网络连接。
优选地， 该无线数据终端还包括：
网络断开单元 24， 配置为在指令接收单元 22接收到网络断开指令时， 向用户期望断开的网络发起 PDP上下文去激活请求； 在网络成功响应 PDP 上下文去激活请求后， 断开网络连接；
指令接收单元 22， 还配置为接收网络断开指令。
优选地， 所述网络连接包括： IPv4单栈网络连接、 IPv6单栈网络连接 或 IPv4/IPv6双栈网络连接。
优选地， 网络连接单元 23， 还配置为在指令接收单元接收到 IPv4单栈 网络连接指令时，建立映射单元 21在用户终端映射的 Modem端口或 NDIS 端口到 IPv4网络侧端口的数据传输通道；在指令接收单元接收到 IPv6单栈 网络连接指令时，建立映射单元 21在用户终端映射的 NDIS端口到 IPv6网 络侧端口的数据传输通道； 在指令接收单元接收到 IPv4/IPv6双栈网络连接 指令时， 建立映射单元 21在用户终端映射的 Modem端口到 IPv4网络侧端 口的数据传输通道，并建立映射单元 21在用户终端映射的 NDIS端口到 IPv6 网络侧端口的数据传输通道。
优选地， 网络连接单元 23， 还配置为在建立 IPv4/IPv6双栈网络连接， 且 IPv4网络连接或 IPv6网络连接异常断开时， 向断开的网络发起 PDP上 下文激活请求， 重新建立网络连接。 实施例三
图 3为本发明实施例的支持 IPv4/IPv6双栈的无线数据终端接入网络的 实现流程示意图， 如图 3所示， 包括：
步骤 301 : 无线数据终端接收 IPv4/IPv6双栈网络连接配置信息； 无线数据终端在进行 IPv4/IPv6双栈网络连接前， 接收双栈网络连接配 置信息， 包括接入点名称（APN， Access Point Name )和鉴权信息。
步骤 302: 无线数据终端接收 IPv4/IPv6双栈网络连接指令；
本步骤中， 用户通过用户终端 UI向无线数据终端下达 IPv4/IPv6双栈 网络连接指令。
步骤 303: 无线数据终端向 IPv6网络发起 PDP上下文激活请求； 本步骤中， IPv6网络中节点 SGSN和 GGSN进行 PDP上下文激活操作， 包括解析 APN和用户鉴权，并在操作成功后向无线数据终端返回 PDP上下 文激活接受消息， 若操作失败， 则向无线数据终端返回 PDP上下文激活拒 绝消息。
步骤 304 ~步骤 306: 若 IPv6网络成功响应 PDP上下文激活请求， 则 无线数据终端建立 IPv6网络连接， 并向 IPv4网络发起 PDP上下文激活请 求； 否则， 报告 IPv4/IPv6双栈网络连接失败；
在步骤 305中， 无线数据终端将 IPv4/IPv6双栈网络连接失败消息通过 用户终端 UI报告用户； 优选地， 提示用户是否继续尝试建立 IPv4/IPv6双 栈网络连接， 或者提示用户是否建立 IPv4单栈网络连接。
步骤 306中， 无线数据终端建立 NDIS端口到 IPv6网络侧端口的数据 传输通道； 并响应用户终端请求， 告知用户终端当前接入的 IPv6网络的域 名系统 DNS地址和为用户终端分配的 IP地址。
步骤 307 ~步骤 309: 若 IPv4网络成功响应 PDP上下文激活请求， 则 无线数据终端建立 IPv4网络连接， 并报告 IPv4/IPv6双栈网络连接成功； 否则， 报告 IPv4/IPv6双栈网络连接失败。
在步骤 308中， 当 IPv4网络成功响应 PDP上下文激活请求时， 无线数 据终端将在用户终端映射的 Modem端口接入 IPv4网络，建立 Modem端口 到 IPv6网络侧端口的数据传输通道；并告知用户终端当前接入的 IPv4网络 的域名系统 DNS地址和为用户终端分配 IP地址。
以上所述， 仅为本发明的较佳实施例而已， 并非配置为限定本发明的 保护范围。 工业实用性
本发明实施例所提供的技术方案中， 无线数据终端在用户终端映射 Modem端口和 NDIS端口； 无线数据终端接收网络连接指令， 向用户期望 连接的网络发起 PDP上下文激活请求，并在网络成功响应 PDP上下文激活 请求后， 根据映射的端口建立网络连接， 保证用户终端在通过无线数据终 端连接网络时， 可根据用户需要建立单栈或双栈网络连接， 方便用户对网 络的使用， 提升了用户体验。

Claims

权利要求书
1、 一种无线数据终端支持网际协议版本 4 IPv4/网际协议版本 6 IPv6 双栈的方法， 该方法包括：
无线数据终端在用户终端映射调制解调器 Modem端口和网络驱动接口 规范 NDIS端口；
无线数据终端接收网络连接指令， 向用户期望连接的网络发起分组数 据协议 PDP上下文激活请求， 并在网络成功响应 PDP上下文激活请求后， 根据映射的端口， 建立网络连接。
2、 根据权利要求 1所述的方法， 其中， 该方法还包括：
无线数据终端接收网络断开指令， 向用户期望断开的网络发起 PDP上 下文去激活请求， 并在网络成功响应 PDP上下文去激活请求后， 断开网络 连接。
3、 根据权利要求 1所述的方法， 其中，
所述网络连接包括： IPv4单栈网络连接、 IPv6单栈网络连接或 IPv4/IPv6 双栈网络连接。
4、 根据权利要求 3所述的方法， 其中， 所述根据映射的端口， 建立网 络连接， 包括：
若接收的指令为 IPv4 单栈网络连接指令， 则建立在用户终端映射的 Modem端口或 NDIS端口到 IPv4网络侧端口的数据传输通道；
若接收的指令为 IPv6 单栈网络连接指令， 则建立在用户终端映射的 NDIS端口到 IPv6网络侧端口的数据传输通道；
若接收的指令为 IPv4/IPv6双栈网络连接指令， 则建立在用户终端映射 的 Modem端口到 IPv4网络侧端口的数据传输通道， 并建立在用户终端映 射的 NDIS端口到 IPv6网络侧端口的数据传输通道。
5、 根据权利要求 3 或 4 所述的方法， 其中， 在无线数据终端建立 IPv4/IPv6双栈网络连接， 且 IPv4网络连接或 IPv6网络连接异常断开时， 该方法还包括：
无线数据终端向断开连接的网络发起 PDP上下文激活请求， 重新建立 网络连接。
6、 一种无线数据终端， 该无线数据终端包括： 映射单元、 指令接收单 元和网络连接单元； 其中，
所述映射单元， 配置为在用户终端上映射 Modem端口和 NDIS端口； 所述指令接收单元， 配置为接收网络连接指令；
所述网络连接单元， 配置为在所述指令接收单元接收到网络连接指令 时，向用户期望连接的网络发起 PDP上下文激活请求；在网络成功响应 PDP 上下文激活请求后， 根据映射单元在用户终端上映射的端口， 建立网络连 接。
7、 根据权利要求 6所述的无线数据终端， 其中， 该无线数据终端还包 括：
网络断开单元， 配置为在所述指令接收单元接收到网络断开指令时， 向用户期望断开的网络发起 PDP上下文去激活请求； 在网络成功响应 PDP 上下文去激活请求后， 断开网络连接；
所述指令接收单元， 还配置为接收网络断开指令。
8、 根据权利要求 6所述的无线数据终端， 其中，
所述网络连接包括： IPv4单栈网络连接、 IPv6单栈网络连接或 IPv4/IPv6 双栈网络连接。
9、 根据权利要求 8所述的无线数据终端， 其中，
所述网络连接单元， 配置为在指令接收单元接收到 IPv4单栈网络连接 指令时， 建立映射单元在用户终端映射的 Modem端口或 NDIS端口到 IPv4 网络侧端口的数据传输通道； 在指令接收单元接收到 ipv6单栈网络连接指令时， 建立映射单元在用 户终端映射的 NDIS端口到 IPv6网络侧端口的数据传输通道；
在指令接收单元接收到 IPv4/IPv6双栈网络连接指令时， 建立映射单元 在用户终端映射的 Modem端口到 IPv4网络侧端口的数据传输通道， 并建 立映射单元在用户终端映射的 NDIS端口到 IPv6网络侧端口的数据传输通 道。
10、 根据权利要求 8或 9所述的无线数据终端， 其中，
所述网络连接单元， 还配置为在建立 IPv4/IPv6双栈网络连接， 且 IPv4 网络连接或 IPv6 网络连接异常断开时， 向断开连接的网络发起 PDP上下 文激活请求， 重新建立网络连接。
PCT/CN2013/079888 2012-11-02 2013-07-23 无线数据终端及其支持IPv4/IPv6双栈的方法 WO2013178160A1 (zh)

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