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1. 发明授权

US08189582B2 Multicast supported virtual local area network switching system and method thereof 有权
标题翻译：组播支持的虚拟局域网交换系统及其方法
公开(公告)号：US08189582B2
公开(公告)日：2012-05-29
申请号：US11996641
申请日：2006-08-08
申请人： Ke Du , Chen Wu , Chengfa Fan , Yanfeng Qu
发明人： Ke Du , Chen Wu , Chengfa Fan , Yanfeng Qu
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L12/4641 , H04L12/185 , H04L12/1886
摘要： A multicast-supported virtual local area network switching system and a method thereof comprise a switching engine, a CPU unit, further comprising a mapping storage unit for storing the mapping relationship of the virtual local area network and the multicast stream pushed to the switching system by it, and a switching table storage unit for storing the corresponding relation between ingress virtual local area network and egress virtual local area network; the switching engine receives the internet group management protocol message from the user virtual local area network and transmits the message to the CPU unit for processing, if it is Internet group management protocol join/leave message, the CPU unit looks up the mapping storage unit and forwards it in the looked-up multicast virtual local area network; the switching engine receives the Internet group management protocol messages or multicast data frames from the multicast virtual local area network and forwards them in the looked-up user virtual local area network by looking up the switching table storage unit.
摘要翻译：一种组播支持的虚拟局域网交换系统及其方法包括：交换引擎，CPU单元，还包括：映射存储单元，用于存储虚拟局域网的映射关系，以及通过以及用于存储入口虚拟局域网和出口虚拟局域网之间的对应关系的交换表存储单元; 交换引擎从用户虚拟局域网接收因特网组管理协议消息，并将消息发送到CPU单元进行处理，如果是因特网组管理协议加入/离开消息，则CPU单元查找映射存储单元和在查找到的组播虚拟局域网中转发; 交换引擎从组播虚拟局域网接收因特网组管理协议消息或组播数据帧，并通过查看交换表存储单元将其转发到查找用户虚拟局域网中。

2. 发明申请

US20080219260A1 Multicast Supported Virtual Local Area Network Switching System and Method Thereof 有权
标题翻译：组播支持的虚拟局域网交换系统及其方法
公开(公告)号：US20080219260A1
公开(公告)日：2008-09-11
申请号：US11996641
申请日：2006-08-08
申请人： Ke Du , Chen Wu , Chengfa Fan , Yanfeng Qu
发明人： Ke Du , Chen Wu , Chengfa Fan , Yanfeng Qu
IPC分类号： H04L12/28
CPC分类号： H04L12/4641 , H04L12/185 , H04L12/1886
摘要： A multicast-supported virtual local area network switching system and a method thereof comprise a switching engine (10), a CPU unit (20), further comprising a mapping storage unit (30) for storing the mapping relationship of the virtual local area network and the multicast stream pushed to the switching system by it, and a switching table storage unit (40) for storing the corresponding relation between ingress virtual local area network and egress virtual local area network; the switching engine (10) receives the internet group management protocol message from the user virtual local area network and transmits the message to the CPU unit (20) for processing, if it is Internet group management protocol join/leave message, the CPU unit (20) looks up the mapping storage unit (30) and forwards it in the looked-up multicast virtual local area network; the switching engine (10) receives the Internet group management protocol messages or multicast data frames from the multicast virtual local area network and forwards them in the looked-up user virtual local area network by looking up the switching table storage unit (40).
摘要翻译：一种组播支持的虚拟局域网交换系统及其方法，包括交换引擎（10），CPU单元（20），还包括映射存储单元（30），用于存储虚拟局域网的映射关系，以及组播流被推送到交换系统;以及切换表存储单元，用于存储入口虚拟局域网与出口虚拟局域网之间的对应关系; 交换引擎（10）从用户虚拟局域网接收到因特网组管理协议消息，并将消息发送到CPU单元（20）以进行处理，如果是因特网组管理协议加入/离开消息，则CPU单元 20）查找映射存储单元（30）并将其转发到查找的组播虚拟局域网中; 交换引擎（10）从多播虚拟局域网接收因特网组管理协议消息或多播数据帧，并通过查找切换表存储单元（40）将其转发到查找用户虚拟局域网中。

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