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Performance Enhancement of Handover in mSCTP using Pre-acquisition RA in WLAN  

Choi, Soon-Won (고려대학교 컴퓨터학과)
Kim, Kwang-Ryoul (고려대학교 컴퓨터학과)
Min, Sung-Gi (고려대학교 컴퓨터학과)
Publication Information
Journal of KIISE:Information Networking / v.33, no.2, 2006 , pp. 156-164 More about this Journal
Abstract
The SCTP (Stream Control Transmission Protocol) implementation with the DAR (Dynamic Address Reconfiguration) extension is called the mSCTP (Mobile SCTP) that is proposed recently for mobility support in transport layer. The mSCTP does not satisfy short handover latency for real-time applications and it has no specific handover decision mechanisms. In this paper, we propose fast handover schemes for mobile nodes that are moving into different subnet using pre-acquisition RA (Router Advertisement) and L3 trigger for improving handover performance. Furthermore, we introduce three specific methods which are RA cache, FMIPv6 (Fast Handovers for Mobile IPv6) and dual interface and how proposed scheme can be interoperated with handover process respectively. Finally, we show two experimental results which are the mSCTP and the mSCTP using FMIPv6 on Linux platforms. Experimental results show that handover performance is improved with reducing the time of receiving RA which takes most of total handover latency.
Keywords
mSCTP; handover; mobility; transport protocol;
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