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Method and device for allocating and mapping public network address and network system

A public network address and public network technology, applied in the field of communication, can solve the problem that the PCP client cannot allocate public network address information, etc.

Active Publication Date: 2017-07-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The embodiments of the present application provide a method, device and network system for allocating and mapping public network addresses, which can solve the problem that the existing PCP server cannot allocate public network address information to the PCP client in the scenario of multiple egress links

Method used

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  • Method and device for allocating and mapping public network address and network system
  • Method and device for allocating and mapping public network address and network system
  • Method and device for allocating and mapping public network address and network system

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0124] image 3It is a schematic flowchart of a method for allocating and mapping public network addresses provided by the embodiment of this application, which can be applied in figure 1 or figure 2 In the application scenario shown.

[0125] see image 3 , the method includes:

[0126] S100. The PCP client sends a first PCP request message to the PCP server, where source address information of the first PCP request message is private network address information of the PCP client.

[0127] S101. After receiving the first PCP request message, the PCP server allocates M pieces of public network address information to the PCP client, where N≥M≥2.

[0128] Wherein, N is the number of network outlets included in the PCP server, and the M pieces of public network address information are in one-to-one correspondence with the M network outlets of the PCP server.

[0129] S102. The PCP server records the correspondence between the private network address information and the M pi...

Embodiment 2

[0178] In order to illustrate the method of allocating and mapping public network address information provided by this application in more detail, the embodiment of this application takes the PCP server as an example of allocating and mapping the first public network address information among the above M public network address information for the PCP client Be explained.

[0179] Specifically, this application uses an application scenario in which the PCP client learns that the PCP server contains N network egresses after sending the first PCP request message to the PCP server as an example.

[0180] attached Figure 4 It is a schematic diagram of the interaction between various devices during the specific implementation of the method for allocating and mapping public network addresses provided by the embodiment of the present application. The interaction process includes:

[0181] S200. The PCP client sends a first PCP request message to the PCP server, where source address...

Embodiment 3

[0273] In order to illustrate the method of allocating and mapping public network address information provided by this application in more detail, the embodiment of this application takes the PCP server as an example of allocating and mapping the first public network address information among the above M public network address information for the PCP client Be explained.

[0274] Specifically, this embodiment of the present application uses an example application scenario in which the PCP client obtains the first identifier used to indicate that the network egress included in the PCP server is not unique after sending the first PCP request message to the PCP server.

[0275] attached Figure 5 It is a schematic diagram of the interaction between various devices during the specific implementation of the method for allocating and mapping public network addresses provided by the embodiment of the present application. The interaction process includes:

[0276] S300. The PCP clie...

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Abstract

The application discloses a method and a device for allocating and mapping a public network address and a network system, relates to the technical field of communication, and aims to solve the problem that an existing PCP (Port Control Protocol) server cannot allocate public network address information to a PCP client in a multi-export-link scene. The method comprises the following steps that: a PCP server receives a first PCP request message sent by the PCP client, wherein source address information of the first PCP request message is private network address information of the PCP client; the PCP server allocates M pieces of public network address information to the PCP client according to the first PCP request message, wherein M is less than or equal to N and more than or equal to 2, N is the quantity of network exits included in the PCP server, and the M pieces of public network address information corresponds to M network exits of the PCP server one by one; and the PCP server records corresponding relationships between the private network address information and the M pieces of public network address information.

Description

[0001] This application claims the priority of the Chinese patent application submitted to the China Patent Office on January 19, 2016, with the application number 201610034261.4, and the title of the invention is "A Method, Device and Network System for Allocating and Mapping Public Network Addresses", all of which The contents are incorporated by reference in this application. technical field [0002] The present application relates to the field of communication technology, and in particular to a method, device and network system for allocating and mapping public network addresses. Background technique [0003] In a typical Network Address Translation (NAT, Network Address Translation) scenario, a NAT gateway device is deployed between a private network and a public network. Exemplarily, the NAT gateway device may be a router with a NAT function, and the private network may be a company's Local area network, public network can be the Internet. When a host on the private n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
CPCH04L61/25H04L61/2514H04L61/2517H04L61/5061
Inventor 张展樊辉厉益舟
Owner HUAWEI TECH CO LTD
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