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Remote control method, device and system

A remote control and controller technology, applied in the field of communications, can solve problems such as complex operations, and achieve the effect of solving complex operations

Active Publication Date: 2014-12-10
BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a remote control method, device and system to solve the problem in the prior art that when the remote control of the controlled terminal in the local area network is realized through NAT, the router configuration of the controlled terminal needs to be manually modified and the operation is complicated.

Method used

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  • Remote control method, device and system
  • Remote control method, device and system
  • Remote control method, device and system

Examples

Experimental program
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Embodiment 3

[0287] On the basis of the second embodiment of the control terminal, the address binding response further includes: the NAT type of the control terminal; the remote connection response further includes: the NAT type of the remote access controller;

[0288] The tunnel connection module 1203 is specifically used to: determine whether the NAT type of the master control terminal and the NAT type of the remote access controller are both symmetric NAT types; if so, receive the remote access controller sent by the cloud server According to the first port offset of the remote access controller, according to the third public network IP address of the remote access controller, the port number of the third public network port and the first port offset, send a tunnel connection request to the remote access controller ; Otherwise, send a tunnel connection request to the remote access controller according to the third public network IP address of the remote access controller and the port n...

Embodiment 2

[0315] On the basis of the first embodiment of the remote access controller, the remote connection request includes: the fourth public network IP address and the fourth public network IP address corresponding to the second internal network IP address of the master control terminal and the second internal network port respectively The port number of the network port; the tunnel connection module 1803 is also used for: sending a tunnel connection request to the main control terminal according to the fourth public network IP address of the main control terminal and the port number of the fourth public network port.

[0316] Figure 19 It is a schematic structural diagram of Embodiment 2 of the remote access controller of the present invention, such as Figure 19 As shown, the remote access controller of this embodiment is in Figure 18 On the basis of the shown remote access controller structure, it may further include: a first address obtaining module 1805 . The first address ...

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Abstract

The invention provides a remote control method, device and system. The remote control method includes that a remote connection response sent by a cloud server is received through a main control end; the main control end sends a tunnel connecting request to a remote access controller according to a third public network IP (internet protocol) of the remote access controller and a port number of a third public network port in the remote connection response; after tunnel connection is established, a control message is sent to the remote access controller through a tunnel to enable the remote access controller to forward the control message to a controlled end positioned in a local area network identical with the remote access controller so as to enable tunnel connection to be established between the main control end and the remote access controller through information interaction, and the control message is sent to the remote access controller through the tunnel to enable the remote access controller to forward the control message to the controlled end.

Description

technical field [0001] The present invention relates to communication technology, in particular to a remote control method, device and system. Background technique [0002] Remote control is a technology in which the master terminal controls the controlled terminal remotely through the network on the network. [0003] In the prior art, the controlled terminal is usually located inside the local area network, and the router allocates an intranet Internet Protocol (IP, Internet Protocol) address for the controlled terminal. When the control terminal wants to realize remote control of the controlled terminal, it needs to modify The configuration of the router, that is, perform Network Address Translation (NAT, Network Address Translation), and map the intranet IP address and port of the controlled end that needs to be remotely controlled to the egress IP address and port of the router, so that the router can receive The packets sent to the router’s egress IP address and port a...

Claims

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Application Information

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IPC IPC(8): H04L29/08
Inventor 潘云登
Owner BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
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