发明授权
US09374313B2 System and method to prevent endpoint device recovery flood in NGN
有权
防止NGN终端设备恢复洪水的系统和方法
- 专利标题： System and method to prevent endpoint device recovery flood in NGN
- 专利标题（中）： 防止NGN终端设备恢复洪水的系统和方法
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申请号： US14305533申请日： 2014-06-16
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公开(公告)号： US09374313B2公开(公告)日： 2016-06-21
- 发明人: Chaoxin Qiu , James E. Jackson , Mehrad Yasrebi
- 申请人： AT&T Intellectual Property I, L.P.
- 申请人地址： US GA Atlanta
- 专利权人： AT&T INTELLECTUAL PROPERTY I, L.P.
- 当前专利权人： AT&T INTELLECTUAL PROPERTY I, L.P.
- 当前专利权人地址： US GA Atlanta
- 主分类号： G06F15/173
- IPC分类号： G06F15/173 ; G06F15/16 ; G06F9/46 ; H04W72/00 ; H04L12/911 ; H04L29/12 ; H04L29/08
摘要：
A mechanism is provided for recovering from a catastrophic failure that results in a large number of user endpoints attempting to come on line simultaneously after an NGN is restored. In an enhanced DNS load balancer, DNS queries from the user end points relating to a particular NGN edge device are selectively dropped if a rate of queries for the particular edge device suddenly increases or exceeds a threshold. The query dropping may also be based in part on the class of service assigned to the user endpoint.
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