Fast Handover Based on Mobile IPv6 for Wireless LAN
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Overview: Mobile networking technology is progressing to support the requirements of today's new class of Internet users who roam about with sophisticated mobile computers and digital wireless data communication devices. Normal and fast handover procedures for Wireless LAN are introduced and compared each other. An overall procedure is proposed that manages the layer 2 (L2: link layer) and layer 3 (L3: network layer) handovers simultaneously. Two types of the L2 triggers in Wireless LAN system are introduced: pre-handover-trigger and link-state-trigger. The fast handover reduces the route reestablishment delay by 80 ~ 90 % compared to the normal handover.