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Network address allocation method

A network and configuration parameter technology, applied in network topology, network data management, electrical components, etc., can solve problems such as multiple overheads

Inactive Publication Date: 2012-07-18
爱立信电讯公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The methods used to deal with sudden node departures try to restore addresses as early as possible, which is not a good approach in high mobility environments where nodes may often leave range and merge after splits are formed, and can cause too many problems in previous cases of address restoration. much overhead

Method used

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Examples

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Embodiment Construction

[0038] An embodiment of the invention relates to address allocation for mobile ad hoc networks. It uses a distributed binary unique number generator that can be used in a conflict-free distributed, dynamic node configuration method that guarantees that the addresses assigned by different nodes are exclusive, thus eliminating the need for a DAD scheme.

[0039] The number generator proposed for use in one embodiment of the invention is a low-complexity function that takes a pair of parameters or variables (n, s) and produces a new pair, as shown in the following equation:

[0040] f(n,s)=(n+2 s , s+1) (Equation 1)

[0041] The pair of parameters required to maintain (or at least have access to) inputs to the above function are configured for all nodes implementing the address assignment (autoconfiguration) method of the present invention. The variable n is the seed of the function, which normally does not change and is used to form the address of the node. The variable s is ...

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PUM

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Abstract

A distributed network address allocation method is disclosed. For this purpose, an apparatus is provided for use as or in a node of the network. The apparatus comprises a portion (2, 3, 4) for maintaining a seed value n and a state value s. An address (8) of the node is determined from the seed value n by address setting portion (6). A portion (9) is provided for receiving a request from a new node wishing to join the network and itself adapted to perform the method. A portion (10, 12) is provided for generating a proposed seed value using the formula (n + 2s) and a proposed state value using the formula (s + 1). A portion (14) is provided for offering the proposed seed and state values to the new node. A portion (18) is provided for updating the node's state value s to be the same as that accepted by the new node, if the proposed seed and state values are accepted by the new node. This provides unique address allocation to nodes in a Mobile Ad-Hoc Network.

Description

technical field [0001] The invention relates to a network address allocation method. Background technique [0002] A mobile ad hoc network (MANET) is a wireless network in which nodes can dynamically self-organize into arbitrary, temporary network topologies at idle, allowing people and devices to move freely in areas without central coordination or pre-established communication infrastructure. work with each other. [0003] In such networks, address assignment to mobile devices is one of the most important network configuration parameters. In fact, a mobile device cannot participate in any form of communication until it is assigned an address. Furthermore, most routing protocols assume that mobile nodes in an ad hoc network are preconfigured with unique address identifiers before they gain access to the network. However, pre-configuration of static addresses is not always possible and has some drawbacks. The use of traditional IP-based address assignment schemes such as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12H04W84/18
CPCH04L29/1232H04W8/26H04L61/2092H04L61/5092
Inventor D·萨多克R·R·阿肖夫J·克尔纳E·索托
Owner 爱立信电讯公司