Internet protocol (IP) address management method, system and device

A technology of IP address and MAC address, which is applied in the field of network communication, can solve the problems of not greatly improving the acquisition speed, flooding of wireless LAN broadcasts, etc., and achieve the effect of increasing speed and ensuring invariance

Active Publication Date: 2012-04-18
RUIJIE NETWORKS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This interaction process requires at least 4 message interaction processes, and the acquisition speed has not been greatly improved
In addition, the DHCP message is a broadcast message, and it is easy to cause flooding of the internal broadcast of the wireless LAN.

Method used

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  • Internet protocol (IP) address management method, system and device
  • Internet protocol (IP) address management method, system and device
  • Internet protocol (IP) address management method, system and device

Examples

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Embodiment Construction

[0034] In the wireless network of the embodiment of the present invention, there are one, two, or more access devices, and some IP addresses have been stored in each access device, so that when the wireless terminal needs to establish a communication channel with the wireless network, or When the communication channel needs to be re-established, the wireless terminal can send a first association request message with IP address request information to the access device in the wireless network, and the access device can determine an assignable IP address from the stored IP address. IP address, and an associated response message with an allocatable IP address is returned to the wireless terminal. Therefore, only one message exchange process is required for the wireless terminal to obtain the IP address and establish a communication channel with the wireless network, which greatly improves the speed of obtaining the IP address and further improves the speed of network communication....

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PUM

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Abstract

The invention discloses an Internet protocol (IP) address management method, an IP address management system and an IP address management device, which are used for increasing the IP address acquisition speed of a wireless terminal and ensuring the consistency of an IP address in the roaming state of the wireless terminal. The method comprises that: first access equipment receives a first association request message from the wireless terminal, determines an allocable IP address in stored IP addresses, returns an association response message carrying the allocable IP address to the wireless terminal, and saves correspondence between the allocable IP address and the media access control (MAC) address of the wireless terminal in a conventional local IP address list.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method, system and device for IP address management in a wireless environment. Background technique [0002] In traditional wireless applications, a wireless terminal automatically obtains an IP address through a dynamic host configuration protocol (Dynamic Host Configuration Protocol, DHCP). Such as figure 1 In the simplified DHCP wireless network application topology shown, the access point controller (Access controller, AC) acts as a wireless network centralized controller to manage the access point (Access point, AP) devices in the network, and each wireless terminal device passes through the AP Connect to the wireless network. The AC indirectly manages wireless terminal devices in the entire network by managing APs. In this wireless network, the AC may also act as a DHCP server to assign IP addresses to APs and wireless terminal devices on the entire netwo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12H04L29/06
Inventor 余峥嵘
Owner RUIJIE NETWORKS CO LTD
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