Importance

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Abstract

A virtual internet protocol (IP) gate, between a legitimate internet and a virtual internet, can reuse the internet address in a specific range of the legitimate internet addresses for resolving the insufficiency of IP addressing. The virtual IP gate at least comprises a connection module, a selection module and an address conversion module. The connection module establishes connection with the virtual internet by using at least a virtual internet address and establishes connection with the internet by using at least an internet address with the address not within the aforementioned range. The selection module corresponds to a selection port number and receives a transmission packet from a processing module on the legitimate internet to the virtual internet when establishing the connection (including connection-oriented connection and connectionless connection), wherein the and of the delivery packet are the of the processing module and the of the selection module. Besides, the selection module, in response to a source console, notifies the destination console on the virtual internet of all console names, and transmits the delivery packet to the destination console according to a console selection signal provided by the processing. And an address conversion module is used for converting the addresses between the legitimate internet and the virtual internet.

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First Claim