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公开(公告)号：EP3641241A1
公开(公告)日：2020-04-22
申请号：EP19181699.0
申请日：2019-06-21
发明人： NAGARAJAN, Vikram , ARORA, Kapil , KEBLER, Robert W. , ELIZABETH, Princy T. , KANDULA, Ramesh , JOARDER, Soumyodeep
IPC分类号： H04L12/701
摘要： Techniques are described for facilitating node protection for Broadcast, unknown Unicast, and Multicast (BUM) traffic for a multi-homed node failure. For example, each VTEP (e.g., PE device) may advertise a protected VTEP address that indicates an IP address of a remote PE device that is to be protected in the event of a node failure. In the event a multi-homed PE device fails, the ingress PE device sends a BUM packet including the protected VTEP address for the failed node. When an egress PE device receives the BUM packet, the egress PE device determines whether the BUM packet includes the protected VTEP address and whether the egress PE device is operating as a backup designated forwarder (DF). If the BUM packet includes the protected VTEP address and the egress PE device is a backup DF, the egress PE device forwards the BUM traffic to the ESI.
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2.发明公开
公开(公告)号：EP3588868A3
公开(公告)日：2020-02-26
申请号：EP19165991.1
申请日：2019-03-28
摘要： A device may store first information regarding a first pseudowire connection with a first device, wherein the first pseudowire connection provides access to an Ethernet virtual private network (EVPN) to communicate with a host device. The device may store second information regarding a second pseudowire connection with a second device, wherein the second pseudowire connection provides access to the EVPN to communicate with the host device. The device may receive a message that includes a configuration identifier and identify the configuration identifier. The device may change a first characteristic of the first pseudowire connection based on the configuration identifier. The device may change a second characteristic of the second pseudowire connection based on the configuration identifier. The device may receive data from the host device based on changing the first characteristic of the first pseudowire connection and changing the second characteristic of the second pseudowire connection.
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公开(公告)号：EP4340302A1
公开(公告)日：2024-03-20
申请号：EP22205801.8
申请日：2022-11-07
发明人： NAGARAJAN, Vikram , LIN, Wen , JOARDER, Soumyodeep , SURUTTAIYAN, Muniyappan , ELIZABETH, Princy T. , RAGUPATHI, J. , SIVARAJ, SelvaKumar
IPC分类号： H04L12/46 , H04L45/00 , H04L45/16 , H04L45/24 , H04L45/243 , H04L45/28 , H04L45/30 , H04L45/42 , H04L12/18 , H04L47/122 , H04L47/125 , H04L47/10 , H04L47/25 , H04L47/40
摘要： A controller device receives, from a plurality of assisted replication network devices, respective utilization information associated with the plurality of assisted replication network devices. The controller device generates, based on the respective utilization information associated with the plurality of assisted replication network devices, load balancing information for a network device associated with two or more assisted replication network devices of the plurality of assisted replication network devices, and sends, to the network device, the load balancing information. The network selects, based on the load balancing information, a particular assisted replication network device of the two or more assisted replication network devices. The network device receives a traffic flow that is to be multicast and sends the traffic flow to the particular assisted replication network device, wherein sending the traffic flow to the particular assisted replication network device permits the particular assisted replication network device to multicast the traffic flow.
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4.发明公开
公开(公告)号：EP3588868A2
公开(公告)日：2020-01-01
申请号：EP19165991.1
申请日：2019-03-28
摘要： A device may store first information regarding a first pseudowire connection with a first device, wherein the first pseudowire connection provides access to an Ethernet virtual private network (EVPN) to communicate with a host device. The device may store second information regarding a second pseudowire connection with a second device, wherein the second pseudowire connection provides access to the EVPN to communicate with the host device. The device may receive a message that includes a configuration identifier and identify the configuration identifier. The device may change a first characteristic of the first pseudowire connection based on the configuration identifier. The device may change a second characteristic of the second pseudowire connection based on the configuration identifier. The device may receive data from the host device based on changing the first characteristic of the first pseudowire connection and changing the second characteristic of the second pseudowire connection.
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5.发明公开
公开(公告)号：EP4027595A1
公开(公告)日：2022-07-13
申请号：EP22157534.3
申请日：2019-03-28
摘要： A device may store first information regarding a first pseudowire connection with a first device, wherein the first pseudowire connection provides access to an Ethernet virtual private network (EVPN) to communicate with a host device. The device may store second information regarding a second pseudowire connection with a second device, wherein the second pseudowire connection provides access to the EVPN to communicate with the host device. The device may receive a message that includes a configuration identifier and identify the configuration identifier. The device may change a first characteristic of the first pseudowire connection based on the configuration identifier. The device may change a second characteristic of the second pseudowire connection based on the configuration identifier. The device may receive data from the host device based on changing the first characteristic of the first pseudowire connection and changing the second characteristic of the second pseudowire connection.
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公开(公告)号：EP3641240A1
公开(公告)日：2020-04-22
申请号：EP19180610.8
申请日：2019-06-17
发明人： ARORA, Kapil , NAGARAJAN, Vikram , KEBLER, Robert W. , ELIZABETH, Princy T. , KANDULA, Ramesh , JOARDER, Soumyodeep
IPC分类号： H04L12/701
摘要： Techniques are described for facilitating node protection for Broadcast, unknown Unicast, and Multicast (BUM) traffic for a multi-homed node failure. For example, multi-homed provider edge (PE) devices each advertise egress node protection labels to an ingress PE device. In the event one of the multi-homed PE devices fails, the ingress PE device sends a BUM packet including the egress node protection labels for the failed node. When an egress PE device receives the BUM packet, the egress PE device determines whether the BUM packet includes the egress node protection labels and whether the egress PE device is operating as a backup designated forwarder (DF) on an Ethernet segment identifier (ESI) for which the failed node was the DF. If the BUM packet includes the egress node protection labels and the egress PE device is operating as a backup DF, the egress PE device forwards the BUM traffic to the ESI.
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