IP (Internet protocol) address conflict detecting method and device

A technology of IP address and conflict detection, which is applied in the field of communication, can solve problems such as prolonging the detection time of IP address ranges, providing sufficient evidence for IP address recycling, and increasing network traffic generated by detection activities, so as to shorten the detection time and reduce network traffic. Effect

Inactive Publication Date: 2015-04-29
BEIJING TEAMSUN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above IP address conflict detection method has the following deficiencies: it does not consider the past use status of the IP address. Although it can be found that the allocated IP address has no active response, this situation may occur accidentally, and it is impossible to

Method used

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  • IP (Internet protocol) address conflict detecting method and device
  • IP (Internet protocol) address conflict detecting method and device
  • IP (Internet protocol) address conflict detecting method and device

Examples

Experimental program
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Embodiment 1

[0027] figure 1 It is a schematic flowchart of an IP address conflict detection method provided by Embodiment 1 of the present invention. The method may be performed by an IP address conflict detection apparatus, the apparatus being implemented by software. like figure 1 As shown, the IP address conflict detection method provided by this embodiment specifically includes the following steps:

[0028] Step S110, obtain the assigned IP address, and identify the assigned IP address as an IP address that may exist in a silent conflict state;

[0029] In this embodiment, the allocated IP address is obtained from the data center, and the allocated IP address is identified as an IP address that may exist in a silent conflict state.

[0030] Step S120, detect the IP address that may exist in a silent conflict state, and judge whether there is activity in the IP address that may exist in a silent conflict state;

[0031] Preferably, the detection method is Internet Control Packet Pr...

Embodiment 2

[0038] figure 2 It is a schematic flowchart of the IP address conflict detection method provided by the second embodiment of the present invention. like figure 2 As shown, the IP address conflict detection method provided by this embodiment specifically includes the following steps:

[0039] Step S210, obtaining the assigned IP address, and marking the assigned IP address as an IP address that may exist in a silent conflict state;

[0040] Step S220, detect the IP address that may exist in a silent conflict state, and determine whether there is activity in the IP address that may exist in a silent conflict state;

[0041] Preferably, the detection methods are Internet Control Packet Protocol detection and Address Resolution Protocol detection. Through detection, the activity status of the IP address that may exist in a silent conflict state is known, and it is judged whether the IP address in the possible silent conflict state has activity. When the IP address is active, ...

Embodiment 3

[0083] Figure 4 It is a schematic structural diagram of an IP address conflict detection apparatus provided by Embodiment 3 of the present invention. like Figure 4 As shown, the IP address conflict detection device provided by this embodiment specifically includes:

[0084] Obtaining module 410 is used to obtain the assigned IP address, and identifies the assigned IP address as an IP address that may exist in a silent conflict state;

[0085] The judgment module 420 is used to detect the IP address of the possible silent conflict state, and judge whether the IP address of the possible silent conflict state has activity;

[0086] The identification module 430 is configured to identify the IP address of the possible silent conflict state as a normal use state IP address when the IP address of the possible silent conflict state is active, and to detect the normal use state at the active state detection time interval. IP address for continuous detection;

[0087] The detecti...

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Abstract

The invention discloses an IP (Internet protocol) address conflict detecting method and device. The method comprises steps as follows: allocated IP addresses are acquired and identified as IP addresses possibly in a silent conflict state; the IP addresses possibly in the silent conflict state are detected, and whether activity exists in the IP addresses possibly in the silent conflict state is judged; when activity possibly exists in the IP addresses possibly in the silent conflict state, IP addresses in the normal use state are continuously detected at an active state detecting time interval; when activity doesn't exist in the IP addresses possibly in the silent conflict state, the IP addresses possibly in the silent conflict state are detected at a variable-length detecting time interval. According to the IP address conflict detecting method and device, IP address activity detection is performed at the variable-length detecting time interval according to the history use state of the IP addresses, the network traffic produced during detection is reduced, and the detection time of the whole IP address range is shortened.

Description

technical field [0001] The present invention relates to the field of communications, and in particular, to a method and device for detecting IP address conflict. Background technique [0002] In data center IP address management, the available IP address space is usually used as a resource to be managed by the data center, and IP addresses are allocated to specific devices when needed, otherwise managed as assignable IP addresses. Once an IP address is allocated, the existing IP address management method usually does not check whether the IP address is actually used, and manages the IP address as an assignable IP address until a notification that the IP address can be recycled is received. . For an allocated IP address, if it is found that the IP address is inactive for more than a certain period of time, it is considered that the IP address has a silent conflict, that is, the actual usage of the IP address conflicts with the planned usage. [0003] At present, the commonl...

Claims

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Application Information

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IPC IPC(8): H04L12/26
Inventor 汪大海
Owner BEIJING TEAMSUN TECH
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