Patent ID: 6657981
Filing Date: 2003-12-02
Classification: H04L,H04W

Abstract:
A network communication system on an access point for communicating a wired subnet and a wireless subnet, comprising:an IAPP manager program at a user level of said access point for communicating with a kernel-level device driver by system calls to perform an announce procedure and a handover procedure, and maintain a mapping table, said mapping table comprising a physical address and an IP address of each associated access point; a wireless LAN card driver at a kernel level of said access point for sending signals to said IAPP manager program to perform said handover procedure upon receiving a reassociation request packet from a mobile host, said wireless LAN card driver comprising a first packet filter for determining if an incoming packet is to be forwarded to said wireless subnet according to a registration record of said mobile host; a wired LAN card driver at said kernel level of said access point acting as an interface of said wired subnet; and a bridge program for interfacing between said wired LAN card driver and said wireless LAN card driver, said bridge program having a second packet filter for determining if said incoming packet is to be forwarded to said wireless subnet according to a registration record of said mobile host.