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Method and device for expanding NAPT support based on VPP

A technology of address range and address, applied in the field of network communication

Pending Publication Date: 2022-02-18
中创为(成都)量子通信技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention provides a method and device for extending NAPT support based on VPP, so as to solve the technical problem that NAT conversion in VPP can only target all data, and the converted addresses can only be allocated in the global address pool

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  • Method and device for expanding NAPT support based on VPP
  • Method and device for expanding NAPT support based on VPP

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Embodiment Construction

[0031] In order to make the objectives, technical methods and advantages of the embodiments of the present invention more clear, the technical methods in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0032] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the...

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Abstract

The invention provides a method and a device for expanding NAPT support based on a VPP. The VPP is provided with a global translation address pool, at least one translation address range pool and at least one translation address restriction pool, wherein each address of the translation address range pool is added to the global translation address pool, an initial address position and an address number of the range pool in the global translation address pool are recorded in the translation address range pool, and the translation address restriction pool is used for specifying an intranet address range capable of performing NAT translation. By setting the translation address range pool and the translation address restriction pool, the translation data range and the translated data range can be accurately controlled, and only data in the corresponding address range can be designated to be translated.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method and device for extending NAPT support based on VPP. Background technique [0002] VPP (Vector Packet Processing) is an extensible framework that provides out-of-the-box switch / router functionality. Its modular design framework allows anyone to "plug in" new graph nodes without changing the core / kernel code. [0003] NAT (Network Address Translation, Network Address Translation) was proposed in 1994. When some hosts in the private network have already been assigned local IP addresses, that is, private addresses used only in the private network, but now want to communicate with hosts on the Internet without encryption, the NAT method can be used. [0004] NAPT (Network Address Port Translation), that is, network address port translation, is to convert the port number while performing NAT conversion of the IP address. It is a conversion method that people ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L61/2503H04L61/2546
CPCH04L61/2503H04L61/2546
Inventor 不公告发明人
Owner 中创为(成都)量子通信技术有限公司