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指出了具有 Qo S约束的多播路由技术已成为网络及分布式系统领域的一个重要研究课题 ,也是下一代Internet网络和高性能网络的重要难题 .重点描述了 Qo S动态组管理多播路由方案、树的重组、核心树迁移 .提出了将来的研究方向
It is pointed out that the multicast routing technology with Qo S constraint has become an important research topic in the field of networks and distributed systems and is also an important challenge for next generation Internet and high performance networks.The Qo S dynamic group management multicast routing scheme , Tree reorganization and core tree migration, put forward the future research direction