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The Proxy Mobile IPv6 (PMIPv6) have been widely studied as a mobility management protocol to effectively use the limited wireless resources. Recently, there have been some researches to apply PMIPv6 to multicasting, which is core technology of Internet broadcast system. However, PMIPv6 based multicasting has a problem in that it shows the disconnection of services during the handover because it does...
This paper extends our work in developing an agent-based architecture for improved mobile QoS in next generation IP networks. Here the performance of the protocol, called AMP, is evaluated against the IETF's standard Mobile IP protocol in supporting a variety of traffic. The analyses were done using the network simulator ns2 where specialized nodes were developed as part of the protocol. The parameters...
A seamless handover scheme with low latency and low packet loss is important to performance of mobile IPv6. To some extent, the fast handover scheme for hierarchical mobile IPv6 (F-HMIPv6) reduce the delay of fast handover procedure. However, in practice the handover delay is still very high for time-sensitive services. an improved scheme for the F-HMIPv6 is proposed in this paper, which helps to...
Mobile IPv6 (MIPv6) describes how mobile node can change its point of attachment from one access router to another. The handover performance of mobile IPv6 is one of the key factors which guarantee the QoS of mobile Internet. In Hierarchical Mobile IPv6 (HMIPv6), mobile nodepsilas handoff performance is very much impaired by the duplicate address detection (DAD) procedure for the newly formed care-of...
Network mobility (NEMO) aims providing seamless Internet connectivity for the network which is moving around with vehicles. Multiple care of addresses (MCoA) registration was also proposed as an extension. This paper studies the seamless Internet connectivity of mobile router (MR) which is equipped with WLAN, CDMA and GPRS interfaces simultaneously. Concretely, a smooth inter-interfaces hand-off algorithm...
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