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WO2014086167A1 - Terminal mobile et son procédé et son système d'attribution d'adresse - Google Patents

Terminal mobile et son procédé et son système d'attribution d'adresse Download PDF

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Publication number
WO2014086167A1
WO2014086167A1 PCT/CN2013/081119 CN2013081119W WO2014086167A1 WO 2014086167 A1 WO2014086167 A1 WO 2014086167A1 CN 2013081119 W CN2013081119 W CN 2013081119W WO 2014086167 A1 WO2014086167 A1 WO 2014086167A1
Authority
WO
WIPO (PCT)
Prior art keywords
host
address
mobile terminal
ipv6
ipv6 address
Prior art date
Application number
PCT/CN2013/081119
Other languages
English (en)
Chinese (zh)
Inventor
郑巍
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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
Publication of WO2014086167A1 publication Critical patent/WO2014086167A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/45—Network directories; Name-to-address mapping
    • H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
    • H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5007—Internet protocol [IP] addresses

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a mobile terminal and an automatic address allocation method and system thereof.
  • IPv6 Internet Protocol Version 6,
  • IPv6 Internet Protocol Version 6,
  • the interface identifier and the address prefix are all allocated by the network in two phases.
  • the first phase of the data card is from the gateway general packet radio service support node. (Gateway General Packet Radio Service Supporting Node, GGSN for short) obtains its interface identifier. This phase is completed by the Packet Data Protocol (PDP) context activation process.
  • PDP Packet Data Protocol
  • the data card obtains the address prefix required for the global IPv6 address from the GGSN by using a message of a Router Request (RS) and a Router Announcement (RA).
  • RS Router Request
  • RA Router Announcement
  • the IPv6 packet of the address is not forwarded by the router to the external network.
  • the other is a global unicast address where the mobile terminal can only communicate with other hosts in the external data network using global IPv6 addresses.
  • SLAAC Stateless Address Autoconfiguration
  • DHCPv6 Server Dynamic Host Configuration IPv6 Server
  • IID Interaqural Itensity Disparity Address
  • the network When the network allocates a prefix address, it indicates that the network receives any IPv6 address containing the prefix address, that is, the host can use any IPv6 address containing the prefix address for data transmission.
  • the host During the IPv6 address negotiation, the host only needs to obtain the prefix address from the data card side through the router advertisement message, and then randomly generate the interface identifier to form a 128-bit IPv6 address.
  • the network assigns an interface identifier address it indicates that the network only receives an IPv6 address that includes the interface identifier and the prefix address obtained through the router advertisement message.
  • the address is a globally unique address, and the host can only use the IPv6 address.
  • IPv6 address allocation mode is not available for the IPv6 address generated by the stateless auto-configuration of the IPv6 address in the Ethernet link mode.
  • the host can only obtain the network prefix address from the data card through the router advertisement message.
  • the assigned interface identifies the address. Therefore, the IPv6 address generated by the host using the stateless auto-configuration method is a randomly generated interface identifier.
  • the IPv6 address is inconsistent with the globally unique address assigned by the network.
  • the data packet sent by the IPv6 address causes the IPv6 connection to fail to transmit data. Therefore, for the IPv6 network to which the interface is assigned, the data card needs to be configured with the IPv6 address delivered by the network to the host.
  • IPv6 DNS IPv6 Domain Name System
  • PCO-IE Protocol Configuration Options Information Element
  • DNS IPv6 Domain Name System
  • This method has no problem in obtaining IPv6 DNS for mobile IPv6 dialing, but there is a problem with data cards that use stateless autoconfiguration. Because the data card cannot obtain the DNS address, the DNS address cannot be automatically assigned to the host through the stateless auto-configured router advertisement message.
  • Three automatic DNS discovery technologies are introduced in RFC4339 to implement automatic configuration of IPv6 DNS.
  • An object of the present invention is to provide a mobile terminal address allocation method, a mobile terminal, and a system. According to an aspect of the embodiments of the present invention, a mobile terminal address allocation method is provided.
  • the method includes: a host generates a global IPv6 address by using a stateless automatic allocation function; and the host obtains a DNS address from a mobile terminal by using host side software. And setting, the host side software sends a packet to the DNS server to confirm whether the IPv6 address of the host is correct, if the IPv6 address is configured correctly, if the packet is incorrect, the IPv6 address configured by the host is deleted, The host re-acquires the IPv6 address assigned by the network from the mobile terminal and allocates the IPv6 address to the host.
  • the generating, by the host, the global IPv6 address by using the stateless automatic allocation function includes: the host automatically generating a global IPv6 address after acquiring the network prefix address from the mobile terminal by using the stateless automatic configuration function;
  • the host obtains the DNS address from the mobile terminal through the host side software and the setting includes: the host side software statically setting the DNS address to the host after obtaining the DNS address from the mobile terminal by using a control instruction.
  • the host side software sends a packet to the DNS server to confirm whether the IPv6 address of the host is correct: the host side software sends a Ping packet to the DNS server to determine whether the current link is normal, and if the Ping packet responds normally, it indicates If the ping packet expires, the IPv6 address generated by the host through the stateless autoconfiguration function is considered to be an invalid address, and the host side software deletes the IPv6 address configured by the current host.
  • the host reacquires the network from the mobile terminal.
  • the allocation to the host after the assigned IPv6 address includes: the host side software issuing a control command to the mobile terminal to obtain an IPv6 address allocated by the network to the mobile terminal, and statically setting the address to the host.
  • the method further includes: the host The ping packet is retransmitted to the DNS by the host side software. If the ping packet responds normally, the current statically configured IPv6 address can be accessed normally. If the ping packet times out, the current IPv6 connection is abnormal, and the network is allocated to the mobile terminal. IPv6 and DNS addresses cannot access the network normally.
  • the mobile terminal is a data card
  • the host is a PC.
  • a mobile terminal configured to communicate with a host, where the mobile terminal includes: a control instruction module, an IPv6 address negotiation module, and a dialing module; wherein the dialing module Setting a mobile terminal to initiate a network connection; the IPv6 address negotiation module receives a stateless address auto-configuration function sent by the host to send a router advertisement request, and returns a router advertisement response message, where the message carries a network prefix address to the host, where The host is configured to obtain a global IPv6 address of the interface identifier address group 128 after the network prefix address is obtained.
  • the control instruction processing module receives the DNS address extracted by the IPv6 address negotiation module from the PDP activation message, and the control instruction module Return the IPv6 DNS address to the host.
  • the mobile terminal is a data card
  • the host is a PC.
  • a system including the mobile terminal and the host according to claim 6 or 7, wherein the host is configured to randomly generate an interface after acquiring a network prefix address from the mobile terminal.
  • the global IPv6 address of the address group is 128. If the IPv6 address obtained by the above stateless autoconfiguration fails to access the network, the host side software of the host deletes the IPv6 address configured on the host side and sends a control command to the mobile terminal to obtain the network.
  • the IPv6 address negotiation module obtains the IPv6 address from the PDP activation response message returned by the network, and reports the IPv6 address to the host side software through the control instruction module; the host side software sets the IPv6 address by calling the operating system interface.
  • the host Preferably, the host automatically generates a global IPv6 address after acquiring the network prefix address from the mobile terminal by using the stateless automatic configuration function, and the host side software statically sets the DNS address after obtaining the DNS address from the mobile terminal by using a control command.
  • the host side software sends a Ping packet to the DNS server to determine whether the current link is normal.
  • the IPv6 address generated by the host through the stateless autoconfiguration function is an invalid address, and the host side software deletes the IPv6 address configured by the current host, and then sends a control command to the mobile terminal to obtain the IPv6 allocated by the network to the mobile terminal.
  • the address is statically set to the host.
  • FIG. 1 is a schematic diagram of a composition of a mobile terminal according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for assigning an address of a mobile terminal according to an embodiment of the present invention.
  • DETAILED DESCRIPTION OF THE EMBODIMENTS disclose a mobile terminal, in particular, an automatic allocation method of a wireless data card IPv6 and a DNS address.
  • the network has two IPv6 address allocation methods, one is to assign a unique network prefix address (Prefix Address), and the other is to assign a unique network interface identifier.
  • Prefix Address a unique network prefix address
  • IID Address a unique network interface identifier.
  • SLAAC stateless automatic configuration
  • the network packet sent by the host is rejected by the core network server.
  • the IPv6 address generated by the host is inconsistent with the IPv6 address assigned by the network. As a result, IPv6 data transmission cannot be performed.
  • the host After the IPv6 address allocation is completed, the host also needs to obtain the correct DNS address.
  • the stateless automatic allocation process can only assign IPv6 addresses to hosts and cannot assign DNS addresses.
  • the technical solution of the embodiment of the present invention is to modify the IPv6 address allocation mechanism of the data card.
  • the stateless automatic allocation function is first enabled to enable the host to automatically generate a global IPv6 address, and obtain the DNS address from the data card through the PC side software.
  • the PC side software sends a Ping packet to the DNS server to confirm whether the IPv6 address assigned by the host is correct. If the Ping packet responds normally, the IPv6 address assignment is completed. If the response of the ping packet fails, the IPv6 address configured by the host is deleted. The IPv6 address assigned by the network is re-acquired from the board and then allocated to the host. The ping packet is re-sent for authentication.
  • the method ensures that the data card can perform normal data transmission under both IPv6 networks, and improves the compatibility of the data card with different IPv6 address allocation mechanism networks.
  • the technology of the embodiment of the present invention includes: after the IPv6 connection is established, the host automatically generates a global IPv6 address after obtaining the network prefix address from the data card by using the stateless automatic configuration function, and the PC side software obtains the DNS address from the data card through the control command. Set to host, IPv6 and DNS address automatic configuration is completed. After the configuration is complete, the PC software sends a Ping packet to the DNS server to determine whether the current link is normal. If the Ping packet responds normally, it indicates that the IPv6 and DNS address assignments are normal. If the ping packet expires, the IPv6 address generated by the host through the stateless autoconfiguration function is considered to be an invalid address.
  • the PC side software deletes the IPv6 address configured by the current host, and then sends a control command to the data card to obtain the IPv6 allocated by the network to the data card.
  • the address is statically set to the host. After the configuration is complete, the host re-sends the ping packet to the DNS through the PC-side software. If the ping packet responds normally, the current statically configured IPv6 address can access the network. If the Ping packet times out, it indicates that the current IPv6 connection is abnormal.
  • the IPv6 and DNS addresses assigned by the network to the data card cannot access the network.
  • the host after the host successfully obtains the network prefix address from the network side through the router advertisement request, the host randomly generates the global IPv6 address of the interface identifier address 128 by the stateless automatic configuration function, and then obtains the data from the data card through the control command.
  • DNS address the operating system interface is called to set the DNS address to the host.
  • the PC-side software uses the IPv6 address generated by the host stateless auto-configuration as the source address, and sends the ping packet to the DNS server using the DNS address as the destination address. Under normal circumstances, the Ping packet responds normally, indicating that the current network adopts the IPv6 address allocation policy for assigning network prefixes, and the IPv6 address generated by the host stateless configuration is correct.
  • the ping packet If the ping packet times out, it indicates that the current network is assigned an interface identifier address.
  • the host needs to use the IPv6 address assigned by the network to the data card to access the network.
  • the personal computer (Personal Computer, PC for short) software detects that the Ping packet has timed out, and then invokes the operating system interface to delete the configured IPv6 address on the host side. Then, the IPv6 address sent by the network is statically obtained from the data card through the control command. Set to the host. After the configuration is complete, the PC software resends the Ping packet using the statically configured IPv6 address as the source address. If the Ping packet responds normally, it indicates that the host is assigned the correct IPv6 address.
  • PC Personal Computer
  • the PC-side software can obtain the IPv6 address sent by the network while obtaining the DNS address through a control command.
  • the stateless auto-configured address fails, the IPv6 address can be directly set to the host without interacting with the data card.
  • the solution is simple and easy. For IPv6 data cards with stateless auto-configuration, the network can be compatible with different IPv6 address allocation policies. The host can automatically obtain the correct IPv6 address regardless of the network prefix or interface identifier. .
  • FIG. 1 is a schematic diagram of an automatic data card IPv6 and DNS address automatic allocation module disclosed in an embodiment of the present invention, and the specific process is as follows -
  • the mobile terminal uses the stateless address auto-configuration function to enable the host to send a router advertisement request to the data card IPv6 address negotiation module, and the IPv6 address negotiation module returns a router advertisement response message, where the message carries the network prefix address to the host, and the host obtains After the network prefix address is reached, a global IPv6 address with an interface identifier address of 128 is randomly generated.
  • the PC side software sends a control command to the data card to obtain the IPv6 DNS address.
  • the IPv6 address negotiation module takes the DNS address from the PDP activation message and provides it to the control instruction processing module.
  • the control command module returns the IPv6 DNS address to the PC side software.
  • the IPv6 address is automatically configured by calling the operating system interface to set the IPv6 DNS address to the host. If the IPv6 address obtained through the above stateless autoconfiguration fails to access the network normally, the PC side software deletes the configured IPv6 address on the host side, and then sends a control command to the data card to obtain the IPv6 address assigned by the network.
  • the IPv6 address negotiation module extracts the IPv6 address from the PDP activation response message returned by the network and reports it to the PC side software through the control instruction module.
  • the PC side software sets the IPv6 address to the host by calling the operating system interface, and the static configuration of the IPv6 address is completed. As shown in FIG.
  • Step 201 The data card completes PDP activation; After the data card receives the IPv6 dialing command, the dialing module initiates a PDP activation process on the air interface.
  • the request information for activating the PDP Context (PDP Context) will be sent to the SGSN.
  • the GGSN After receiving the request, the GGSN signs the mobile terminal and assigns an IPv6 address or an address prefix through a dynamic host configuration protocol/Remote Authentication Dial In User Service (DHCP/RADIUS). And other parameters, such as the control of the quality of service (Quality of Service, QoS for short) parameters, the IPv6 DNS server address, and the authentication result and the parameter information are encapsulated in the activation PDP context accept message, sent back To the data card, the PDP activation process is complete.
  • Step 202 IPv6 stateless automatic configuration; after the host detects that the Ethernet device port is UP, the address conflict detection is started. The host sends a neighbor request message to the data card to try to verify whether the interface identifier is unique.
  • Step 203 The host obtains a DNS address.
  • the PC side software (UI or driver) sends a control command to the data card to obtain the IPv6 DNS address assigned by the network, and the data card IPv6 address negotiation module extracts the IPv6 DNS address from the PDP activation response message.
  • the PC-side software obtains the IPv6 DNS address
  • the PC-side software sets the IPv6 DNS address to the host by calling the netsh command interface provided by the operating system or modifying the IPv6 DNS information in the operating system registry.
  • the DNS address assignment is complete.
  • Step 204 The host sends a Ping packet to the DNS server, and determines whether it times out. If it times out, the process proceeds to step 205. If it does not time out, the process proceeds to step 209;
  • the PC-side software uses the IPv6 address generated by the host stateless auto-configuration as the source address, and the DNS address is used as the destination address to send the Ping packet to the DNS server.
  • Step 205 The host deletes the configured IPv6 network. If the PC-side software detects that the ping packet has timed out, the ping packet is resent until the timer expires. This indicates that the IPv6 address generated by the stateless automatic configuration cannot access the IPv6 network. The PC side software will call the operating system interface to delete the IPv6 address assigned by the current host.
  • Step 206 The host statically configures an IPv6 address.
  • the PC side software sends a control command to the data card to obtain the IPv6 address assigned by the network.
  • the IPv6 address negotiation module takes the IPv6 address assigned by the network from the PDP activation response and reports it to the PC side software through the control instruction module.
  • the PC side software calls the operating system.
  • the interface statically sets the IPv6 address to the PC. After the static setting of the IPv6 address is complete, the PC-side software will resend the ping packet using the newly assigned IPv6 address as the source destination address.
  • Step 207 Determine whether the host Ping DNS server times out. If the timeout expires, go to step 208. If yes, go to step 209; Step 208: The IPv6 connection is abnormal.
  • the PC side software detects that the sent Ping packet times out, resend the Ping. After the packet expires, the current IPv6 connection is abnormal. The IPv6 and DNS addresses assigned to the data card by the network cannot access the network. If the ping packet is responded to by the DNS server, the IPv6 address configured by the host is correct and the IPv6 address negotiation is complete. Step 209: The IPv6 address negotiation is complete. If the ping packet is responded to by the DNS server, the IPv6 address generated by the stateless auto-configuration is correct and the IPv6 address negotiation is complete.
  • the invention may, of course, be embodied in various other forms and modifications without departing from the spirit and scope of the inventions. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

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

Abstract

L'invention porte sur un procédé d'attribution d'adresse de terminal mobile, un terminal mobile et un système. Le procédé comprend les opérations suivantes : un hôte utilise une fonction d'auto-configuration d'adresse sans état pour générer une adresse IPv6 globale ; l'hôte acquiert l'adresse DNS auprès d'un terminal mobile par l'intermédiaire d'un logiciel côté hôte et l'établit ; le logiciel côté hôte envoie un paquet à un serveur DNS pour confirmer si l'adresse IPv6 de l'hôte est ou non correcte, et si elle est correcte, l'attribution d'adresse IPv6 est achevée ; et si elle n'est pas correcte, l'adresse IPv6 qui a déjà été configurée par l'hôte est supprimée, et l'hôte réacquiert une adresse IPv6 attribuée par un réseau auprès du terminal mobile et l'attribue ensuite à l'hôte. L'adoption du procédé, du terminal mobile et du système selon la présente invention assure qu'un terminal mobile peut effectuer normalement une transmission de données sous deux types de réseaux IPv6, améliorant la compatibilité du terminal mobile avec des réseaux ayant des mécanismes d'attribution d'adresse IPv6 différents.
PCT/CN2013/081119 2012-12-07 2013-08-08 Terminal mobile et son procédé et son système d'attribution d'adresse WO2014086167A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210524442.7 2012-12-07
CN201210524442.7A CN102984295B (zh) 2012-12-07 2012-12-07 一种移动终端及其地址分配方法

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CN103051739A (zh) * 2012-12-11 2013-04-17 中兴通讯股份有限公司 一种网络终端及其配置ip地址方法
CN105306416A (zh) * 2014-06-17 2016-02-03 腾讯科技（深圳）有限公司 重发漏洞的检测方法和装置
CN107231448A (zh) * 2016-03-25 2017-10-03 中兴通讯股份有限公司 一种链路建立方法、设备和系统
CN107426345B (zh) * 2017-06-20 2020-07-28 普联技术有限公司 内网设备的全球地址获取方法、装置和存储介质
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CN108777645A (zh) * 2018-09-13 2018-11-09 郑州云海信息技术有限公司 一种配置服务器网络ip信息的系统及方法
CN112995353B (zh) * 2019-12-17 2022-10-21 北京白帽汇科技有限公司 基于流量分析的IPv6地址存活性扫描系统及扫描方法
CN114343338B (zh) * 2021-12-30 2024-07-05 丰巢网络技术有限公司 一种智能柜及智能柜控制方法
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