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Address conversion method and device, and address tracing method and device

An address translation and address technology, applied in electrical components, transmission systems, etc., can solve the problems of insufficient IPv4 public addresses, unsuitable address translation scenarios, insufficient IPv4 shared address resources, etc., to reduce costs and improve efficiency.

Pending Publication Date: 2022-02-25
CHINA TELECOM CORP LTD
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  • Summary
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AI Technical Summary

Problems solved by technology

[0006] Many-to-one mapping of ports can solve the problem of insufficient IPv4 common address resources
In addition, there is a method for converting multiple private IPv4 addresses into public IPv4 addresses to solve the problem of insufficient IPv4 public addresses, but it is not suitable for address translation scenarios in IPv6 and IPv4 coexistence networks

Method used

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  • Address conversion method and device, and address tracing method and device
  • Address conversion method and device, and address tracing method and device
  • Address conversion method and device, and address tracing method and device

Examples

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Embodiment approach

[0057] In addition, the mapping method and the demapping method described in the embodiments disclosed above are merely examples. In addition to the examples described above, the conversion device only needs to be able to generate fixed mapping relationships between addresses of different network protocols, such as IPv6 addresses, IPv4 addresses, and port numbers according to algorithms. The traceability device generates a mapping relationship according to the reverse process algorithm corresponding to the above algorithm, so as to realize fast address traceability. Therefore, the interactive process between the conversion device and the source tracing device can be eliminated, and at the same time, the synchronization and consistency of the mapping relation table between the address conversion device and the source tracing device can be ensured.

[0058] This disclosure proposes the idea of ​​fixed mapping of the authentication system, and proposes a fast algorithm, which can...

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Abstract

The invention provides an address conversion method, an address conversion device, an address tracing method, an address tracing device, an address conversion tracing method and an address conversion tracing system in a network in which different protocols coexist. The address conversion method in the network in which different network protocols coexist is characterized in that the network protocols at least comprise a first network protocol and a second network protocol, and the address conversion method comprises: a fixed mapping relation forming step, which is implemented by forming a fixed mapping relation between a first network protocol address and a first network protocol port number and between a second network protocol address and a second network protocol port number; and an address conversion step, which is implemented by converting the requested first network protocol address into the second network protocol address by using the fixed mapping relation formed in the fixed mapping relation forming step.

Description

technical field [0001] The present disclosure relates to an address translation method, an address translation device, an address traceability method, an address traceability device, an address translation traceability method, and an address translation traceability system in a network where different protocols coexist. More specifically, the present disclosure relates to a network technology and An address translation method, an address translation device, an address traceability method, an address traceability device, an address translation traceability method, and an address translation traceability system in a coexistence network of different network protocols in the security field. Background technique [0002] At present, the rapid development of the Internet industry has brought great changes to people's lives. The protocol IPv4, which is the cornerstone of today's Internet technology, is well known. The so-called IPv4 is the fourth version of the Internet Protocol (...

Claims

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Application Information

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IPC IPC(8): H04L61/251H04L61/256
CPCH04L61/251H04L61/2571
Inventor 李聪解冲锋马晨昊
Owner CHINA TELECOM CORP LTD
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