Network address switching retransmitting device and method

A technology for network address translation and forwarding entries, which is applied in the field of improving the efficiency of network address translation between private networks and public networks in the network. It can solve problems such as too long conflict chains and low efficiency, and achieve the effect of improving the conversion rate

Inactive Publication Date: 2007-11-07
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to propose a device and method for network address translation, to solve the common NAT translation, because the conflict chain is too long, resulting in each Each message conversion must go through a long conflict chain search, the problem of low efficiency

Method used

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  • Network address switching retransmitting device and method
  • Network address switching retransmitting device and method
  • Network address switching retransmitting device and method

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Embodiment Construction

[0043] The software implementation system processing method of the fast NAT translation of the present invention will be described below with reference to the accompanying drawings.

[0044] As shown in FIG. 1, the NAT forwarding device 100 of the present invention includes: a common forwarding module 110, a general process module for forwarding messages, which completes the general conversion of NAT and the general forwarding of other services. What needs to be done in this module is to perform NAT conversion and data packet forwarding in a normal way. The processing information of the business is uniformly maintained in a table item when configuring or processing the first packet. When converting and forwarding, the table item is searched according to the obtained packet information and updated according to the item information. After the data packet, then look for routing and forwarding. Each packet is time-consuming to go through this process, so the purpose of the present inv...

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Abstract

A conversion-retransmission device of network address consists of a normal network address conversion-retransmission module for carrying out conversion of network address and retransmission of data packet in normal mode and a fast network address conversion-retransmission module for recording retransmission key information required by retransmission of data packet. Its converting-retransmitting method is also disclosed.

Description

Technical field [0001] The present invention relates to a method and device for network communication address conversion, in particular, to a method and device for improving the efficiency of network address conversion between a private network and a public network in a network. Background technique [0002] With the rapid development of the Internet, people have regarded the IP network as an indispensable tool in their daily work and life. The scale of the network is also constantly expanding, and the number of network users is increasing. However, the address resources of the public network Very limited, therefore, NAT (Network Address Translation, Network Address Translation) technology has become a main method to solve this problem. Its main function is to enable network devices in the private network to access the public network with fewer public network addresses, so that network resources are fully utilized. As a result, the public IP addresses with limited resources can b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/12
Inventor 陈晨贾皓昕于伟曲原潘建农
Owner ZTE CORP
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