发明申请
- 专利标题: Computer network with point-to-point pseudowire redundancy
- 专利标题(中): 具有点到点伪线冗余的计算机网络
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申请号: US10925743申请日: 2004-08-25
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公开(公告)号: US20060047851A1公开(公告)日: 2006-03-02
- 发明人: Eric Voit , Steve Phillips , Ali Sajassi , Yves Hertoghs
- 申请人: Eric Voit , Steve Phillips , Ali Sajassi , Yves Hertoghs
- 申请人地址: US CA San Jose
- 专利权人: Cisco Technoloy, Inc.
- 当前专利权人: Cisco Technoloy, Inc.
- 当前专利权人地址: US CA San Jose
- 主分类号: G06F15/173
- IPC分类号: G06F15/173
摘要:
A computer network includes a core network connected with first and second Ethernet access domain networks, each of Ethernet access domain networks including a user-facing provider edge (u-PE) device, a primary network-facing provider edge (n-PE) device, a redundant n-PE device, and a plurality of aggregation provider edge (Agg-PE) devices providing connectivity between to the u-PE device and the primary and redundant n-PE devices, the Agg-PE devices running a spanning-tree protocol (STP) algorithm. A primary data path is provided along with first and second redundant data paths that include first and second redundant pseudowires (PWs), respectively, connected across the core network, the first and second redundant data paths being blocked by the STP algorithm when the primary data path is available, the STP algorithm unblocking either the first or second redundant data path in response to a failure of the primary data path. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
公开/授权文献
- US07643409B2 Computer network with point-to-point pseudowire redundancy 公开/授权日:2010-01-05
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