Address-conflict detection realizing method and address conflict detection agent apparatus

A technology of address conflict detection and implementation method, applied in the field of address conflict detection proxy device and address conflict detection, can solve problems such as inability to guarantee the uniqueness of link-local addresses, inability to proceed normally, avoid air interface data transmission, save money Effects of air interface resources

Inactive Publication Date: 2007-06-13
HUAWEI TECH CO LTD
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Problems solved by technology

[0026] At present, only the concept of HoAProxy DAD is recorded in the WiMAX "050915_NWG_STAGE2.doc" document, but the relevant process of performing Proxy DAD for the CoA address is not recorded, so the specific implementation method of performing Proxy DAD for the CoA address is not yet available, so When the MSS uses the Stateless Auto-configuration mechanism or the Stateful Auto-configuration mechanism to obtain CoA address-related information in the foreign network, if the uniqueness of the link-local address generated during the process cannot be guaranteed on the local link of the current network, It will make the Stateless / StatefulAuto-configuration mechanism unable to proceed normally

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  • Address-conflict detection realizing method and address conflict detection agent apparatus
  • Address-conflict detection realizing method and address conflict detection agent apparatus
  • Address-conflict detection realizing method and address conflict detection agent apparatus

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Embodiment Construction

[0097] The main realization principle and specific implementation manner of the solution of the present invention will be described in detail below in conjunction with each accompanying drawing.

[0098] Before describing the principle of the present invention and its specific implementation in detail, firstly, the process of performing proxyDAD processing on the link-local address obtained by the mobile node in the current network in MIPv6 described in the above prior art is applied to the WiMAX network system Analyze the specific implementation in:

[0099] 1) During the DAD process, the MSS that initiates the DAD needs to send several NS messages, and the MSS needs to use the underlying technology below the IP layer to pass the NS messages through the BS through the data channel (wherein the data interaction between the MSS and the BS is carried by the air interface) to the ASN-GW in the current network, and then the ASN-GW multicasts the received NS messages. It can be se...

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Abstract

Address collision detection proxy is setup on side of WiMAX network based on MIPv6. When having no address being stored, the proxy stores the address, which is sent from first user terminal, to be used in administered network. The proxy determines whether the address, which is sent from subsequent user terminal, to be used in administered network conflicts to the address already stored by self so as to accomplish collision detection process for address sent from the user terminal. When ensuring that the proxy does not detect collision for address sent by self, the user terminal sends the address to the proxy to store, and collision detection process is executed right along. The invention can carry out DAD process for link-local address or CoA address obtained by user terminal in WiMAX network system based on MIPv6, and saves resources of aerial interface.

Description

technical field [0001] The invention relates to the technical field of applying mobile IPv6 in a WiMAX network system, in particular to a method for implementing address conflict detection and an address conflict detection proxy device. Background technique [0002] Although the Internet communication technology with Internet Protocol Version 4 (IPv4, IP version4) as the core technology has achieved great success, the further development of IP technology applications is directly limited due to the shortage of IPv4 address resources. Due to the rapid development of mobile communication technology and broadband technology, the demand for IP addresses has increased sharply. In order to solve the problem of the shortage of IP address resources, existing technologies have also proposed Classless Inter-Domain Routing (CIDR, Classless Inter Domain Routing). ), Network Address Translation (NAT, Network Address Translation), mixed addresses and other technologies, but these technolog...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
Inventor 梁萌莫鹏
Owner HUAWEI TECH CO LTD
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