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Analysis and Reduction of Transient Time Periods for Smooth Handoff Packets in Mobile IPv6 Networks  

Lee, Dong-Wook (광주과학기술원 정보통신공학과 네트워크 미디어연구실)
Kim, Jong-Won (광주과학기술원 정보통신공학과 네트워크 미디어연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.28, no.11B, 2003 , pp. 999-1006 More about this Journal
Abstract
In the paper, we investigate the impact of handoff on the packet delivery in the Mobile IPv6 networks, where the smooth handoff is adopted. That is measured by an 'unstable time period (UTP)', a 'silence time period(STP)', and a 'handoff time period (HTP)' in the mobile node's perspective. Then, we propose a queuing model to get the exact value of the handoff transient time. The numerical results show that the queuing delay for the handoff packets and the involved link (or route) capacities affect the estimated UTP, STP, and HTP. On the other hand, the damage of application caused by handoff will increases when the handoff transient time becomes longer. We show that the priority scheduling method can achieve shorter STP and UP than the FIFO scheduling method that is generally used in best-effort IP network.
Keywords
Mobile IP; smooth handoff; packet sequence analysis; transient time periods; and queuing analysis;
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