Supported by the National Natural Science Foundation of China under Grant No.60272078 (国家自然科学基金); the National High-Tech Research and Development Plan of China under Grant No.2001AA112051 (国家高技术研究发展计划(863)); the Fundamental Research of Institute of Softwa
Mobile IPv6 offers two methods of multicast services for mobile host called remote subscription and home subscription, which have complementary advantages and shortcomings. An efficient mobile multicast protocol provided in this paper integrates remote subscription and home subscription. It uses a hierarchical route architecture, which reduces the frequency of rebuilding multicast tree because of hosts?mobility. The results of analysis and simulation are also given.