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公开(公告)号：EP1716498B1
公开(公告)日：2011-11-30
申请号：EP05712079.2
申请日：2005-01-26
发明人： ORAVA, Fredrik , RAMFELT, Lars
CPC分类号： H04L45/00 , H04L45/22 , H04L45/28 , H04L45/58 , H04L49/351 , H04L49/354 , H04L49/557
摘要： A method of restoring a failure in a network topology. A first node is provided that has a first access link connected to a first port group of a first customer and a first network link connected to a first active router. A second node has a first access link connected to the first port group of the first customer and a first network link connected to a second stand-by router. The first node has a second network link connected to the second node via a second network link of the second node. If the first access link of the first node or the first node itself fails, the second node switches to the active state. If the second network link of the first node fails, the second node switches to the active state. In this way the traffic will be forward to the first router and/or the second router.
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公开(公告)号：EP1776646B1
公开(公告)日：2012-04-11
申请号：EP05725145.6
申请日：2005-03-11
发明人： ORAVA, Fredrik , RAMFELT, Lars
IPC分类号： G06F15/173 , H04L12/46
CPC分类号： H04L45/02 , H04L12/2852 , H04L12/2856 , H04L45/00 , H04L45/04 , H04L45/22 , H04L45/28 , H04L45/586 , H04L47/31
摘要： The tandem node system has a first node having an access link connected to a first port group of a first customer and a first network link connected to a first router. A second node has an access link connected to the first port group of the first customer and a first network link connected to a second router. The first node has a second network link connected to a second network link of the second router.
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公开(公告)号：EP1730893B1
公开(公告)日：2014-03-05
申请号：EP05722471.9
申请日：2005-01-21
发明人： ORAVA, Fredrik , RAMFELT, Lars
IPC分类号： G06F15/173 , H04L12/46
CPC分类号： H04L45/04 , H04L12/2852 , H04L12/2856 , H04L45/02 , H04L47/31
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