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Network system with seamless handover mechanism, related working methods, and control devices

A technology of a control device and a network system, applied in the field of network systems, can solve problems such as interruption of TCP session connection

Active Publication Date: 2020-02-07
SPRING FOUND OF NCTU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, once the IP address or TCP Port in any set of sockets changes, the TCP session connection will be interrupted

Method used

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  • Network system with seamless handover mechanism, related working methods, and control devices
  • Network system with seamless handover mechanism, related working methods, and control devices
  • Network system with seamless handover mechanism, related working methods, and control devices

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Experimental program
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Embodiment Construction

[0028] figure 1 It is a schematic diagram of a network system according to an embodiment of the present invention. Such as figure 1 As shown, the network system 100 includes a plurality of network devices 120 - 1 - 120 - 4 , a plurality of host devices 140 - 1 - 140 - 2 and a control device 160 . The network devices 120-1 to 120-4 are connected to each other, and the host devices 140-1 to 140-2 are respectively connected to one of the aforementioned network devices 120-1 to 120-4. by figure 1 For example, the host device 140-1 is connected to the network device 120-2, and the host device 140-2 is connected to the network device 120-3. It is worth noting that the number of host devices and network devices does not figure 1 The shown network devices 120 - 1 - 120 - 4 and host devices 140 - 1 - 140 - 2 are limited, but can be changed based on actual requirements and usage conditions of the network system 100 .

[0029] The control device 160 is, for example, connected to the...

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PUM

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Abstract

The invention discloses a network system with a seamless handover mechanism, a working method of the network system and a control device. The network system includes multiple network devices, multiple host devices and control devices. The network devices are connected to each other, and some of the network devices provide wireless access networks for the host device to connect to. Multiple wireless access networks have the same SSID. The control device is connected to the network device, wherein when the first host device among the host devices is changed from the first network device among the network devices to be connected to the second network device, the control device responds to the address resolution request packet sent by the first host device, The control network device returns an address resolution reply packet to the first host device, so as to maintain the IP address of the first host device.

Description

technical field [0001] The present invention relates to a network system based on a software-defined network (SDN) and related working methods and control devices, and in particular to a network system with a seamless handover mechanism and related working methods and control devices. Background technique [0002] A general basic network is formed by connecting multiple network devices, and the connection method is not limited to a wired connection or a wireless connection, wherein the above-mentioned wireless connection can be, for example, an Ad-hoc Network mode or a mesh network mode. ) or other modes, etc. In the application scenario of a wireless network, the basic network can include multiple wireless access devices to provide the host device with the function of wireless Internet access, and these multiple wireless access devices can be connected to the back-end router to pass through these multiple routing devices Pass packets sent by the host device. Generally spe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04W8/26
CPCH04L61/103H04W8/26H04L61/5084H04W36/0033H04W8/08H04L2101/622
Inventor 曾建超卓家璘谢定璇
Owner SPRING FOUND OF NCTU