Active IP address allocating method and system

An IP address and allocation method technology, applied in transmission systems, electrical components, etc., can solve problems such as inability to guarantee acquisition and allocation, DHCP service conflicts and random allocation problems, and achieve convenient extension management and user tracking and mandatory identity authentication, The effect of preventing IP address conflict and expanding the binding range

Active Publication Date: 2013-12-25
郑宽永
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Problems solved by technology

[0008] It can be seen from the above table that there are some problems in the existing IP address allocation methods: such as the problem of users changing IP and MAC at will; DHCP service conflicts and random allocation problems and the inability to guarantee complete acquisition and allocation; PPPOE service efficiency issues and random allocation problems ;Identity confirmation and source address authentication issues, etc.

Method used

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  • Active IP address allocating method and system

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Embodiment Construction

[0028] Embodiments of the invention. Active IP address allocation systems such as figure 1 As shown, the composition of the system includes,

[0029] A client module 1 for network connection, a server 2 for IP address allocation and user attribute data storage, a network control module 3 for detecting user attribute data and corresponding IP addresses and controlling the network connection attributes of the client.

[0030] Described client module 1 adopts PPPOE network connection functional module, wherein functional module also comprises user attribute data acquisition, data encryption and data transmission module, disconnects the connection interruption module of server 2 temporary connections, regularly sends user attribute data and corresponding Synchronization module of IP address data. It can also include a mandatory synchronization module for forcibly changing the IP address of the client module to the bound IP address, so that the IP address can be directly changed ...

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Abstract

A method and system of active allocation of IP address are disclosed. The method includes the steps of: storing data of user attributes in a server, wherein each of the user attributes is correspondingly allocated a fixed IP address; by a client end sending a request for acquiring the IP address to the server through PPPOE dialing, wherein the request includes the user attribute of the client end; responding to the request, by the server allocating a temporary IP address to the client end, and establishing a temporary connection to the client end via the allocated temporary address; based on the established temporary connection, by the server comparing the user attribute in the request with user attributes stored in the server, and determining the IP address corresponding to the user attribute in the request based on the result of comparison; and assigning the determined IP address to the client end equipment and disconnecting the temporary connection between the server and the client end.

Description

technical field [0001] The invention relates to an active IP address allocation method and system, belonging to the technical field of IP address allocation. Background technique [0002] In the prior art, there are mainly the following three methods for assigning IP addresses: [0003] Fixed IP mode - use IP address + MAC address binding [0004] DHCP method—use random allocation method [0005] PPPOE mode—use PPPOE dial-up mode [0006] The comparison of the three allocation methods is as follows: [0007] project Fixed IP DHCP PPPOE address allocation fixed randomly Dial to obtain to bind IP+MAC can't can't user modification free randomly system IP conflict happen anytime Won't Won't system conflict happen anytime happen anytime Won't bandwidth loss Won't Won't 40% loss agreement TCP / IP DH...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L29/06
CPCH04L29/12273H04L61/2053H04L61/5053
Inventor 郑宽永
Owner 郑宽永
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