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Old 03-10-2009, 01:15 PM   #1
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Socket for network handoff programming

Hi guys,
I'm currently writing a program for a Mobile Node (MN) with its multiple network interfaces to change the active interface when it move to foreign network. For example, MN was initial in its wireless LAN Home Network (HN) so that its WLAN NIC was active. Then it moves to a foreign network such as a GPRS network, so we must trigger a vertical handoff from WLAN NIC to GPRS NIC. I'm confusing about how to detect the change status of WLAN and GRPS signals to make a handoff. Another my concern is how to trigger the handoff from one NIC to another?
I think we must use the sockets of the OS to do these tasks, but I don't know what procedure my sockets must be followed. So could you help me to solve my problem?
Thanks so much! (sorry all for my bad English)

---Kind regards---


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