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1.发明授权Conveying the VLAN/L2 VSN/bridging-domain of the incoming interface (IIF) when transporting multicast traffic over a shortest path bridged (SPB) network 有权在最短路径桥接（SPB）网络上传输组播流量时，传入入局接口（IIF）的VLAN / L2 VSN /桥接域公开(公告)号：US08675522B2
公开(公告)日：2014-03-18
申请号：US13241869
申请日：2011-09-23
IPC分类号： H04Q3/545
CPC分类号： H04L12/4662 , H04L12/4633
摘要： Techniques disclosed herein include systems and methods for improving multicast traffic operations in a Shortest Path Bridging (SPB) network by conveying bridging domain information of an incoming interface (IIF) when transporting multicast traffic over the SPB network. Techniques disclosed herein include modifying encapsulation packet header information of existing Mac-In-Mac fields to convey additional information that can be interpreted at edge nodes by modifying edge node interpretation of multicast data. Specifically, the value of the I-SID in the BMAC-DA field can be set to be different from the I-SID value in the I-TAG field. Carrying the L2 VSN I-SID value in the I-TAG allows the Egress BEBs to determine which VLAN/L2 VSN/Bridging-Domain of the IIF is in use, and then modify or preserve underlying header information accordingly.
摘要翻译： 本文公开的技术包括当通过SPB网络传输多播流量时，通过传送输入接口（IIF）的桥接域信息来改善最短路径桥接（SPB）网络中的多播业务操作的系统和方法。 本文公开的技术包括修改现有Mac-In-Mac字段的封装分组报头信息，以传送可以通过修改多播数据的边缘节点解释来在边缘节点处解释的附加信息。 具体地说，BMAC-DA字段中的I-SID的值可以被设置为与I-TAG字段中的I-SID值不同。 在I-TAG中携带L2 VSN I-SID值允许出口BEB确定IIF的哪个VLAN / L2 VSN /桥接域正在使用，然后相应地修改或保留底层头信息。
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公开(公告)号：US20120063453A1
公开(公告)日：2012-03-15
申请号：US12942282
申请日：2010-11-09
IPC分类号： H04L12/56
CPC分类号： H04L45/00 , H04L12/185 , H04L45/16 , H04L45/66
摘要： Methods and apparatus provide for a network device(s) employing tree tracer processing of a data packet(s) and/or a response(s) in order to discover and graphically represent all the paths within a hierarchical tree of network devices for multicast traffic flows. Specifically, a first network device receives a data packet. The data packet provides a multicast target MAC address. The first network device forwards the data packet to a plurality of network devices, where each of the plurality of the network devices belong to a multicast group identified according to the multicast target MAC address. Based on receipt of the data packet, the first network device generates and transmits a first response to a source of the data packet. The first response indicates a placement of the first network device with respect to a hierarchical tree of the plurality of network devices belonging to the multicast group.
摘要翻译： 方法和装置提供一种使用数据分组和/或响应的树状跟踪处理的网络设备，以便发现和图形地表示用于组播业务的网络设备的分层树中的所有路径 流动。 具体地，第一网络设备接收数据分组。 数据包提供组播目标MAC地址。 第一网络设备将数据分组转发到多个网络设备，其中多个网络设备中的每一个属于根据多播目标MAC地址识别的多播组。 基于数据分组的接收，第一网络设备生成并向数据分组的源发送第一响应。 第一响应指示第一网络设备相对于属于多播组的多个网络设备的分层树的布置。
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公开(公告)号：US08750299B2
公开(公告)日：2014-06-10
申请号：US12942282
申请日：2010-11-09
IPC分类号： H04L12/56
CPC分类号： H04L45/00 , H04L12/185 , H04L45/16 , H04L45/66
摘要： Methods and apparatus provide for a network device(s) employing tree tracer processing of a data packet(s) and/or a response(s) in order to discover and graphically represent all the paths within a hierarchical tree of network devices for multicast traffic flows. Specifically, a first network device receives a data packet. The data packet provides a multicast target MAC address. The first network device forwards the data packet to a plurality of network devices, where each of the plurality of the network devices belong to a multicast group identified according to the multicast target MAC address. Based on receipt of the data packet, the first network device generates and transmits a first response to a source of the data packet. The first response indicates a placement of the first network device with respect to a hierarchical tree of the plurality of network devices belonging to the multicast group.
摘要翻译： 方法和装置提供一种使用数据分组和/或响应的树状跟踪处理的网络设备，以便发现和图形地表示用于组播业务的网络设备的分层树中的所有路径 流动。 具体地，第一网络设备接收数据分组。 数据包提供组播目标MAC地址。 第一网络设备将数据分组转发到多个网络设备，其中多个网络设备中的每一个属于根据多播目标MAC地址识别的多播组。 基于数据分组的接收，第一网络设备生成并向数据分组的源发送第一响应。 第一响应指示第一网络设备相对于属于多播组的多个网络设备的分层树的布置。
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