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1. 发明授权

US06895024B1 Efficient implementation of 1+1 port redundancy through the use of ATM multicast 有权
标题翻译：通过使用ATM组播高效实现1 + 1端口冗余
公开(公告)号：US06895024B1
公开(公告)日：2005-05-17
申请号：US09417038
申请日：1999-10-12
申请人： John E. Drake, Jr. , Joseph C. Kantz , Daniel S. Nydick , Dimitris Varotsis , James A. Meacham, II
发明人： John E. Drake, Jr. , Joseph C. Kantz , Daniel S. Nydick , Dimitris Varotsis , James A. Meacham, II
IPC分类号： H04J12/56
CPC分类号： H04L12/5601 , H04L45/22 , H04L49/1553 , H04L2012/5627 , H04L2012/5642
摘要： A switching system. The switching system includes a first switch having a primary receive port and a secondary receive port. The switching system includes a second switch connected to the first switch. The second switch has n receive ports, where n is greater than or equal to 2 and is an integer. The second switch has m transmit ports, where m is greater than or equal to 2 and is an integer. The transmit ports are decoupled from the receive ports. The second switch has a connecting mechanism that includes a multicast mechanism which sends data out a primary transmit port of the m transmit ports to the primary receive port of the first switch to define a primary path, and out a secondary transmit port of the m transmit ports to a secondary receive port of the first switch to define a redundant path to the primary path so that if there is a failure of the primary path to provide the data to the first switch, the data is received by the first switch through the redundant path. The first switch has a mechanism for only accepting the data from the primary path unless the primary path has failed, in which case the data is received by the first switch through the redundant path. A switch. A method of switching data.
摘要翻译：交换系统交换系统包括具有主接收端口和次接收端口的第一交换机。交换系统包括连接到第一交换机的第二交换机。第二个交换机有n个接收端口，其中n大于或等于2，是一个整数。第二个交换机具有m个发送端口，其中m大于或等于2，并且是一个整数。发送端口与接收端口分离。第二交换机具有连接机制，其包括将m个发送端口的主要发送端口的数据发送到第一交换机的主要接收端口以定义主要路径的多播机制，以及m个发送的二次发送端口端口到第一交换机的辅助接收端口以定义到主路径的冗余路径，使得如果主路径故障将数据提供给第一交换机，则数据由第一交换机通过冗余接收路径。第一交换机具有仅接受来自主路径的数据的机制，除非主路径已经发生故障，在这种情况下，第一交换机通过冗余路径接收数据。一个开关一种切换数据的方法。

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