Patent ID: 6697355
Filing Date: 2004-02-24
Classification: H04L,H04W

Abstract:
A mobile Internet, comprising:a plurality of mobile hosts; a first data interfacer which exchanges data packets among said mobile hosts; and a first gateway router connected between said data interfacer and a stationary Internet and having an identifier corresponding to a subnetwork of the stationary Internet, each of said mobile hosts having a mobile identification number (MID) and mobile host identifier (ID) which corresponds to an IP address within the subnetwork of the first gateway router, said first data interfacer managing locations and registering the mobile identification number (MID) and mobile host identifier (ID) of each of said mobile hosts wherein the subnetwork corresponds to a home network which includes the first gateway router, said first data interfacer, and at least a portion of said mobile hosts; a second gateway router having an identifier which corresponds to an external subnetwork of the stationary Internet; and a second data interfacer connected to the second gateway router, wherein at least one of said mobile hosts is located in an area corresponding to the external subnetwork but is not registered in said second data interfacer, wherein if the mobile host in the external subnetwork initiates a call to a mobile host in the home network, the first gateway router requests said first data interfacer to establish a communication path to the mobile host in the home network, said first data interfacer establishing said communication path based on the IP address of the mobile host identifier (ID) corresponding to the mobile host in the home network.