- 专利标题: NODE PROTECTION FOR BUM TRAFFIC FOR MULTI-HOMED NODE FAILURE
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申请号: EP19180610.8申请日: 2019-06-17
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公开(公告)号: EP3641240A1公开(公告)日: 2020-04-22
- 发明人: ARORA, Kapil , NAGARAJAN, Vikram , KEBLER, Robert W. , ELIZABETH, Princy T. , KANDULA, Ramesh , JOARDER, Soumyodeep
- 申请人: Juniper Networks, Inc.
- 申请人地址: 1133 Innovation Way Sunnyvale, CA 94089 US
- 专利权人: Juniper Networks, Inc.
- 当前专利权人: Juniper Networks, Inc.
- 当前专利权人地址: 1133 Innovation Way Sunnyvale, CA 94089 US
- 代理机构: D Young & Co LLP
- 优先权: IN201841039383 20181017; US201816217670 20181212
- 主分类号: H04L12/701
- 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.
公开/授权文献
- EP3641240B1 NODE PROTECTION FOR BUM TRAFFIC FOR MULTI-HOMED NODE FAILURE 公开/授权日:2023-11-15
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