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System and method for realizing NAT traversal function of gateway equipment, and storage medium

A gateway device and system implementation technology, applied in the transmission system, electrical components, etc., to achieve the effect of improving stability and execution efficiency

Inactive Publication Date: 2020-03-24
上海盈赞通信科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] ALG technology can only be used for a specific protocol (SIP, FTP, H.248, etc.), and its application has certain limitations

Method used

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  • System and method for realizing NAT traversal function of gateway equipment, and storage medium
  • System and method for realizing NAT traversal function of gateway equipment, and storage medium
  • System and method for realizing NAT traversal function of gateway equipment, and storage medium

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Embodiment Construction

[0061] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0062] A system for realizing the NAT traversal function of a gateway device provided by the present invention includes:

[0063] Gateway device WAN connection detection unit: detects the status change of the gateway WAN connection in real time, and correspondingly configures the state machine of the main control unit according to the change of the WAN connection status, sets the function configuration parameter unit and the corresponding timer function unit;

[0064] Function configuration parameter unit...

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Abstract

The invention provides a system and a method for realizing an NAT traversal function of gateway equipment, and a storage medium. The system comprises a gateway equipment WAN connection detection unit,used for detecting the state change of gateway WAN connection in real time, correspondingly configuring a state machine of a main control unit according to the change of the WAN connection state, andsetting a function configuration parameter unit and a corresponding timer function unit; a function configuration parameter unit, used for configuring basic parameters of the main control unit according to external incoming parameters of the main control unit; a network connection control unit, used for establishing network connection with an Internet server according to the function configuration parameter unit and establishing a main control unit state machine according to an interaction message with the server, and maintaining normal network connection between the gateway and the server through a connected keep-alive mechanism. By adopting an STUN protocol network connection interaction mode, the problem of NAT traversal of gateway equipment under the condition of gateway cascading issolved.

Description

technical field [0001] The present invention relates to the technical field of gateway equipment, in particular to a system, a method and a storage medium for realizing a NAT traversal function of a gateway equipment. In particular, it relates to the realization of a NAT traversal function of a gateway device based on the STUN protocol. Further, it relates to an implementation method with function configurability, function stability and compatibility with complex networks. Background technique [0002] At present, the realization technologies of the NAT traversal function in the gateway device mainly include UPnP (Universal Plug and Play), ALG (Application Layer Gateways), TURN (Traveral Using Relay NAT) and STUN (Simple Traversal of UDP Through NAT). [0003] ALG technology can only be used for a specific protocol (SIP, FTP, H.248, etc.), and its application has certain limitations. [0004] UPnP technology cannot pass through upper-level gateway devices, and is limited t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12H04L29/08
CPCH04L61/256H04L67/145
Inventor 王海涛
Owner 上海盈赞通信科技有限公司
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