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IP address recycling method, address pool management method and address pool management server

A technology for managing servers and IP addresses, applied in transmission systems, electrical components, etc., can solve problems such as increasing server memory and processor consumption, increasing response time, affecting system operating efficiency, etc., to reduce memory and processor costs, etc. Consumption, improvement of operation efficiency, effect of shortening response time

Active Publication Date: 2022-07-29
河南信大网御科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, when the server receives the IP address request sent by the client, it will search for a legal IP address from the address pool and provide it to the client; however, due to the increase of IP address segments and IP addresses in the address pool, When the server is looking for a legal IP address, the response time for the client to obtain the IP address will inevitably increase; at the same time, when DHCP is used to dynamically allocate IP addresses on a large scale, the management of adding and deleting a large number of IP address segments, as well as the allocation and recycling of IP addresses, etc. It will inevitably increase the memory and processor consumption of the server, which will seriously affect the operating efficiency of the system.

Method used

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  • IP address recycling method, address pool management method and address pool management server
  • IP address recycling method, address pool management method and address pool management server

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for recovering an IP address, the method for recovering an IP address includes the following steps: figure 1 As shown, when the client returns the IP address to the DHCP server, the DHCP server queries whether the IP address segment corresponding to the IP address to be returned is being deleted; if the IP address segment corresponding to the IP address to be returned is being deleted, then The DHCP server releases the memory space occupied by the to-be-returned IP address, and modifies the allocated IP count value of the corresponding IP address segment; otherwise, the DHCP server hangs the to-be-returned IP address on an idle IP chain.

[0022] It can be understood that each IP address segment corresponds to an assigned IP count value, and each time the client returns an IP address to the DHCP server, if the IP address segment corresponding to the IP address to be returned is being deleted, the corresponding IP address segment The allocated IP count value wil...

Embodiment 2

[0028] An address pool management method, the address pool management method comprises: when a DHCP server assigns an IP address to a client, the DHCP server takes out an IP address from an idle IP chain and assigns it to the client, and assigns the IP address to the client. The IP address hangs on the using IP chain. When the client returns the IP address to the DHCP server, the DHCP server queries whether the IP address segment corresponding to the IP address to be returned is being deleted; if the IP address segment corresponding to the IP address to be returned is being deleted, the DHCP server The server releases the memory space occupied by the to-be-returned IP address, and modifies the allocated IP count value of the corresponding IP address segment; otherwise, the DHCP server hangs the to-be-returned IP address on the idle IP chain, as shown in the appendix figure 1 shown.

[0029] It should be noted that the IP address on each IP address segment is generally divided...

Embodiment 3

[0040] The difference between this embodiment and Embodiment 2 is that when the DHCP server assigns an IP address to a client, the DHCP server may also directly extract an IP address from a certain IP address segment in the address pool and assign it to the client, And hanging the IP address on the used IP chain expands the scope of application of the present invention.

[0041] Further, the used IP chain is a hash chain, which further increases the security of IP address management.

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PUM

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Abstract

The present invention provides an IP address recovery method, an address pool management method and an address pool management server. The address pool management method includes: when a client returns an IP address to a DHCP server, the DHCP server queries the corresponding IP address to be returned. Whether the IP address segment is being deleted; if the IP address segment corresponding to the IP address to be returned is being deleted, the DHCP server releases the memory space occupied by the IP address to be returned, and modifies the allocation of the corresponding IP address segment IP count value; otherwise, the DHCP server hangs the to-be-returned IP address on an idle IP chain. The invention effectively solves the IP oscillation caused when the IP address segment is deleted, shortens the response time for the client to obtain the IP address, and reduces the consumption of the memory and the processor of the server resources.

Description

technical field [0001] The invention relates to the technical field of address management, in particular to an IP address recycling method, an address pool management method and an address pool management server. Background technique [0002] Dynamic Host Configuration Protocol (Dynamic Host Configuration Protocol, DHCP) is usually applied in large local area network environment for centralized management and allocation of IP addresses. The DHCP protocol adopts the client / server model, and the dynamic assignment of host addresses is driven by the network host; when the DHCP server receives the information from the network host for the address, it will send the relevant address configuration and other information to the network host. [0003] DHCP has three mechanisms for assigning IP addresses: 1) Automatic Allocation. The DHCP server assigns a permanent IP address to the host. Once the DHCP client successfully leases an IP address from the DHCP server for the first time, it...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L61/5014H04L61/5061H04L61/5053
CPCH04L61/5061H04L61/5053H04L61/5014
Inventor 徐庆春李浩郭义伟宋延坡吕青松鲍尚策
Owner 河南信大网御科技有限公司
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