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公开(公告)号：US07792111B2
公开(公告)日：2010-09-07
申请号：US12148816
申请日：2008-04-23
申请人： Ashok Narayanan , Robert Goguen , Ali Sajassi , Samir Vapiwala
发明人： Ashok Narayanan , Robert Goguen , Ali Sajassi , Samir Vapiwala
摘要： A method and apparatus for establishing multicast and unicast forwarding are disclosed. In one embodiment, a method includes transmitting path messages to a plurality of receivers, receiving a plurality of messages in response to the path messages and establishing unicast and multicast forwarding based on received unicast and multicast labels. Each of the receivers is associated with a sub-LSP (Label Switched Path) in a Point-to-Multipoint (P2MP) LSP and the response messages include a multicast label and at least one unicast label corresponding to a unicast path to one of the receivers.
摘要翻译： 公开了一种建立组播和单播转发的方法和装置。 在一个实施例中，一种方法包括向多个接收机发送路径消息，响应于路径消息接收多条消息，并基于接收的单播和多播标签建立单播和多播转发。 每个接收机与点对多点（P2MP）LSP中的子LSP（标签交换路径）相关联，并且响应消息包括多播标签和对应于单播路径中的一个的至少一个单播标签 接收器。
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公开(公告)号：US20090268731A1
公开(公告)日：2009-10-29
申请号：US12148816
申请日：2008-04-23
申请人： Ashok Narayanan , Robert Goguen , Ali Sajassi , Samir Vapiwala
发明人： Ashok Narayanan , Robert Goguen , Ali Sajassi , Samir Vapiwala
IPC分类号： H04L12/56
摘要： A method and apparatus for establishing multicast and unicast forwarding are disclosed. In one embodiment, a method includes transmitting path messages to a plurality of receivers, receiving a plurality of messages in response to the path messages and establishing unicast and multicast forwarding based on received unicast and multicast labels. Each of the receivers is associated with a sub-LSP (Label Switched Path) in a Point-to-Multipoint (P2MP) LSP and the response messages include a multicast label and at least one unicast label corresponding to a unicast path to one of the receivers.
摘要翻译： 公开了一种建立组播和单播转发的方法和装置。 在一个实施例中，一种方法包括向多个接收机发送路径消息，响应于路径消息接收多条消息，并基于接收的单播和多播标签建立单播和多播转发。 每个接收机与点对多点（P2MP）LSP中的子LSP（标签交换路径）相关联，并且响应消息包括多播标签和对应于单播路径中的一个的至少一个单播标签 接收器。
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