发明授权
US09065750B2 Congestion-based notification during fast reroute operations in stateful path computation element environments
有权
在状态路径计算元素环境中进行快速重路由操作期间基于拥塞的通知
- 专利标题： Congestion-based notification during fast reroute operations in stateful path computation element environments
- 专利标题（中）： 在状态路径计算元素环境中进行快速重路由操作期间基于拥塞的通知
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申请号： US13524135申请日： 2012-06-15
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公开(公告)号： US09065750B2公开(公告)日： 2015-06-23
- 发明人: Jean-Philippe Vasseur , Stefano Previdi , Clarence Filsfils
- 申请人： Jean-Philippe Vasseur , Stefano Previdi , Clarence Filsfils
- 申请人地址： US CA San Jose
- 专利权人： Cisco Technology, Inc.
- 当前专利权人： Cisco Technology, Inc.
- 当前专利权人地址： US CA San Jose
- 代理机构： Parker Ibrahim & Berg LLC
- 代理商 James M. Behmke; Stephen D. LeBarron
- 主分类号： H04J3/14
- IPC分类号： H04J3/14 ; G06F11/00 ; H04L12/729 ; H04L12/707 ; H04L12/703 ; H04L12/801 ; H04L12/911
摘要：
In one embodiment, once activation of use of a backup tunnel is detected for a primary tunnel, then a level of congestion of the path of the backup tunnel may be determined. In response to the level being greater than a threshold, a head-end node of the primary tunnel is triggered to reroute the primary tunnel (e.g., requesting to a path computation element). Conversely, in response to the level not being greater than the threshold, the backup tunnel is allowed to remain activated.
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