Method for switching private net user in public net

A user and private network technology, applied in network interconnection, data exchange through path configuration, etc., can solve the problems of slow packet forwarding performance, slow query, conflicts, etc., and achieve the effect of improving packet processing speed and simple configuration.
CN1674549AInactive Publication Date: 2005-09-28HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
HUAWEI TECH CO LTD
Publication Date
2005-09-28
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The present invention relates to a method for accessing user of private network into common network. Said method includes the following steps: in the list items necessary for inquiry when the message is processed by network address conversion equipment setting the mark necessary for making network address conversion or not; for message of the described private network user inquiring the described mark to judge that the described message is required for making network address conversion or not, if the described private network user message has need of making network address conversion, said message is converted in network address, then said message can be retransmitted, otherwise, said message can not be converted in network address, and can be directly retransmitted.
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Description

technical field

[0001] The invention relates to a method for connecting a private network user to a public network, in particular to a device and a method for connecting a private network user to a public network by directly accessing a specific site without performing network address translation. Background technique

[0002] With the rapid growth of the number of Internet users and the increasing demand for IP addresses in other related fields, IPv4 address resources are increasingly scarce, so the application of Network Address Translation (NAT) devices in the network is also increasing. The resulting problem is how to solve the networking application problem where a large number of public network addresses and private network addresses coexist in the network.

[0003] Such as figure 1 As shown, the message of user PC1 accessing the Internet (Internet) enters through port port1 of the NAT device, and exits through port port2. During this time, an address translation is p...

Claims

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