Devices with multiple interfaces are the future of mobile internet. Site Multi-homing by IPv6 Intermediation-SHIM6 is a proposal presented in IETF to provide multi-homing support in IPv6 based networks. Although initially it was intended for static networks but recently it has been tested that the mobility performance of SHIM6 is much better than the currently adopted mobility service in Internet-Mobile IPv6. Failure detection and recovery in SHIM6 is performed through ReAchability (REAP) protocol. Due to the inherent flaws in MIPv6, some new protocols/techniques have been tested which improve the overall mobility performance in IPv6 networks. In this paper, we present a mechanism for providing a “make before break” mobility service. We call our proposed mechanism SHIM6 Assisted Mobility Scheme (SAMS) as it provides both mobility and multi-homing support. We implemented LinSHIM6 with our proposed intelligent switching in wireless environment and present the results. We compare SAMS with REAP for multiple locator switching scenarios. The comparison is made in terms of packet loss, jitter, throughput and data transferred. Through experiments, we show that the percentage packet loss during switching reduces from 24.71% to 1.72% when SAMS is used instead of REAP.
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