Roaming local area network

A technology of local area network and network device, applied in the field of local area network, can solve the problem that the local area network 26 and the local area network 30 cannot be easily moved, etc.

Inactive Publication Date: 2005-06-15
TRANSPACE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the VPN 10 requires each of the LANs 26 and 30 to be connected to the Internet 12 via a fixed Internet address, and the cost of applying a fixed Internet address is higher than that of a dynamic Internet address. In addition, the settings of LAN 26 and LAN 30 cannot be easily moved without changing the service of the fixed Internet address

Method used

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  • Roaming local area network
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  • Roaming local area network

Examples

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Embodiment Construction

[0024] Please refer to figure 2 , figure 2 It is a schematic diagram of a roaming LAN 50 according to the first embodiment of the present invention. Unlike the known VPN 10 , a network device only needs an Internet connection 60 to provide a dynamic Internet address to join the roaming LAN 50 . Therefore, there is no fixed Internet address limitation, so network devices can quickly and easily join the roaming LAN 50 anywhere, and all network devices can communicate with network devices in other regions via the Internet 52 .

[0025] Each network device is connected to the roaming LAN 50 via an Internet connection 60, such as a connection provided by xDSL or a connection provided by other broadband Internet networks. A broadband sharing device 62 includes a switch or a hub for enabling network devices connected to the broadband sharing device 62 to share the Internet connection 60 . Such as figure 2 As shown, two pairs of Internet connection 60 and broadband sharing devi...

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Abstract

The invention provides a roaming local area network. The roaming LAN includes a first broadband sharing device for sharing a first dynamic Internet address, a first network device group connected to the first broadband sharing device, and a second broadband sharing device for sharing a The second floating Internet address and a second network device group are connected to the second broadband sharing device, wherein the first network device in the first and second network device groups has a unique virtual Internet address. In addition, a host is connected to an Internet through a fixed Internet address, and the host can control data transmission between the first and second network device groups.

Description

technical field [0001] The invention relates to a local area network, in particular to a roaming local area network established in the Internet by using a dynamic Internet address. Background technique [0002] Due to the popularization of computers and network equipment, local area network (LAN) also grows greatly. A local area network can be easily established in a small area, such as a home or office, etc., and all computers can access other computers or network devices in the local area network, and use a firewall (firewall) to provide external high privacy and high security. On the other hand, when a private network is required between two separate networks, a virtual private network (virtual private network, VPN) will be used, and the virtual private network utilizes the encryption technology of the Internet Protocol (Internet Protocol, IP) and A virtual channel is established through the Internet to form a structure similar to a private network. [0003] Please ref...

Claims

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Application Information

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IPC IPC(8): H04L12/28H04L29/12H04W92/02
CPCH04W92/02H04L61/5084
Inventor 陈恒坚
Owner TRANSPACE TECH
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