Mobile terminal and address allocation method thereof

A mobile terminal and distribution method technology, applied in the field of communication, can solve problems such as the inability to assign DNS addresses to hosts, and achieve the effect of improving compatibility

Active Publication Date: 2013-03-20
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the data card cannot automatically assign the DNS address to the host through the router advertisement message of the stateless auto-configuration after obtaining the DNS

Method used

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  • Mobile terminal and address allocation method thereof
  • Mobile terminal and address allocation method thereof

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Embodiment Construction

[0023] The invention discloses a mobile terminal, in particular a method for automatically assigning IPv6 and DNS addresses of a wireless data card.

[0024] For wireless data cards that support IPv6 functions, when using stateless automatic address assignment, the network has two IPv6 address assignment methods, one is to assign a unique network prefix address (Prefix Address), and the other is to assign a unique network interface identifier (IID Address). For dial-up via an Ethernet link, after the data card is assigned an IPv6 address, the data card and the host will use stateless auto-configuration (SLAAC) for IPv6 address negotiation, and the host will obtain the network prefix from the data card through a router advertisement message After the address, a globally unique IPv6 address will be dynamically generated. In this way, the host can use the automatically generated global IPv6 address to normally access the IPv6 network under the network with the prefix address ass...

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Abstract

The invention provides an address allocation method of a mobile terminal. The method comprises the steps that in an internet protocol version 6 (IPv6) address negotiation process, the mobile terminal firstly starts and uses a stateless automatic allocation function to enable a host to automatically generate a global IPv6 address, and a domain name system (DNS) address is obtained from the mobile terminal through host side software to be set to the host; the host side software sends a packet internet grope (Ping) packet to a DNS server to determine whether the IPv6 address allocated to the host is correct or not; if the Ping packet responds normally, the allocation of the IPv6 address is completed, and if the Ping packet fails to respond, the IPv6 address already allocated to the host is deleted, an IPv6 address allocated by a network is re-obtained from the mobile terminal and then allocated to the host, and a Ping packet is re-sent to conduct the verification. By adopting the method and the mobile terminal provided by the invention, the mobile terminal is guaranteed to transmit data normally under two IPv6 networks, thereby improving the compatibility of the mobile terminal with different IPv6 address allocation system networks.

Description

technical field [0001] The present invention relates to the technical field of communication, and more specifically, to a mobile terminal and an automatic address allocation method thereof. Background technique [0002] An IPv6 address is composed of a prefix and an interface identifier, in which the upper 64 bits are the address prefix and the lower 64 bits are the interface identifier. In the 3GPP specification, the interface identifier and address prefix are allocated by the network in two stages. In the first stage, the data card obtains its interface identifier from the GGSN (Gateway GPRS Support Node). In this stage, the PDP (Packet Data Protocol ) to complete the process of context activation. In the second signaling stage, the data card obtains the address prefix required by the global IPv6 address from the GGSN by using routing request (RS) and routing advertisement (RA) messages. There are two types of IPv6 addresses for hosts. One is the link-local address, whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12H04W88/06
CPCH04L29/12H04W88/06H04L61/5007H04L61/4511
Inventor 郑巍
Owner ZTE CORP
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