【摘要】 论文首次深入分析了接入以太网的组播问题,提出了一个基于网管和动态虚拟局域网(VLAN)的接入以太网组播方案。该方案充分考虑了业务质量需求、管理、安全和计费等问题,具有安全性好、可扩展性强和成本低等特点,可以在公共接入以太网中提供商业化的宽带多媒体组播业务。更多还原

【Abstract】 The issues of multicasting in access network based on Ethernet have been delved into for the first time ,and a multicasting scheme based on network management and dynamic virtual local area network(VLAN)has been proposed.The scheme is characterized by strong security,high scalability,and low cost,in which many key problems such as quality of services,operation and management ,security and billing are considered.And it can be used to provide com-mercial broadband multimedia services in public access network based on Ethernet.更多还原