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IETF (Internet Engineering Task Force) has proposed a PMIPv6 (Proxy Mobile IPv6) to make up for the weak points caused by handoff delay and signaling overhead. The handoff delay and signaling overhead occur due to frequent binding updates during handoff in the MIPv6 (Mobile IPv6). Although the handoff in the PMIPv6 can be faster than that in the MIPv6, there still exists the handoff delay and packet...
The recent development and deployment of wireless technologies has created different types of mobile networks. In order to take advantage of this heterogeneity, next generation mobile networks (NGMN) is projected to integrate all of those systems. Several integrating solutions are available in the literature, yet none can claim to be the ultimate and unique integrated solution. Moreover, these proposals...
Implementing the Internet protocol in highly mobile networks has been an ongoing challenge in wireless communications. Through the evolution of mobile networks, this challenge has been addressed in several ways. One of the solutions is IP tunneling and encapsulation. This paper explores the development of encapsulation and IP mobility schemes, and then proposes a system for mobile, multi-hop WiMAX...
IETF (Internet Engineering Task Force) has proposed the use of PMIPv6 (Proxy Mobile IPv6) over Mobile IPv6 which has the problem of handover latency and signaling overhead caused by binding update(BU). However, considering that PMIPv6 provides the fast handover only in intra-domain, not inter-domain. IETF is debating whether to go back to the previously proposed method, MIPv6, which allows handover...
In the current specification of Proxy Mobile IPv6, there is no attempts for optimized authentication mechanism. In this paper, we propose a ticket-based authentication mechanism in where the security information are reused for fast authentication during mobile nodes hand off between different links. According to the performance evaluation, the proposed mechanism shows the improved performance up to...
Mobile IPv6 (MIPv6) is a presentative protocol which supports global IP mobility. MIPv6 causes a long handover latency that a mobile node (MN) doesnpsilat send or receive packets. This latency can be reduced by using Proxy Mobile IPv6 (PMIPv6). PMIPv6 is a protocol which network supports IP mobility without participation of the MN, and is studied in Network-based Localized Mobility Management (NETLMM)...
This paper deals with the problem of security aspects in future mobile networks. Security is important to be recognized in mobile networks for current and future users and implements. In the first par of this presentation, security concepts together with infrastructure security are presented. Five security features groups are emphasized. The second part treats the problem of security context together...
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