| Summary: | 碩士 === 國立中正大學 === 資訊工程研究所 === 88 === This paper describes a new protocol to support reliable IP multicast services for mobile hosts in an IP internetwork. It uses the basic unicast routing capability of IETF Mobile IP as a foundation, and leverages existing reliable IP multicast to provide reliable multicast services for mobile hosts as well. We believe that the resulting scheme is simple, scalable, and transparent, independent of the underlying multicast routing facility. A key feature of our protocol is the use of multicast forwarding agent (MFA) to address the scalability and reliability issues of the reliable mobile multicast protocol. The simulation was used as the vehicle for a proof of concept debugging of our protocol, as well as to determine its performance characteristics. Simulation results show the distinct performance advantages of our protocol using MFAs over two other approaches proposed for the mobile multicast problem, namely Mobile Multicast Protocol (MoM) and bi-directional tunneling, particularly as the number of mobile group members and home agents increases.
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