Invention Grant
US08854951B2 Dynamically updating routing information while avoiding deadlocks and preserving packet order after a link error
有权
动态更新路由信息,同时避免死锁,并在链路错误后保留数据包顺序
- Patent Title: Dynamically updating routing information while avoiding deadlocks and preserving packet order after a link error
- Patent Title (中): 动态更新路由信息,同时避免死锁,并在链路错误后保留数据包顺序
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Application No.: US13104778Application Date: 2011-05-10
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Publication No.: US08854951B2Publication Date: 2014-10-07
- Inventor: Aaron F. Godfrey , Christopher B. Johns
- Applicant: Aaron F. Godfrey , Christopher B. Johns
- Applicant Address: US WA Seattle
- Assignee: Cray Inc.
- Current Assignee: Cray Inc.
- Current Assignee Address: US WA Seattle
- Agency: Perkins Coie LLP
- Main IPC: G01R31/08
- IPC: G01R31/08 ; H04L12/757 ; H04L12/24

Abstract:
A system for allowing dynamic changing of routing information of a network interconnect while avoiding deadlocks and preserving packet ordering. A network resiliency system detects when an error in the network interconnect occurs and dynamically generates new routing information for the routers that factors in the detected error. The network resiliency system then generates new routing information that factors in the failure. The network resiliency system then directs the network interconnect to enter a quiescent state in which no packets are transiting through the network interconnect. After the network interconnect enters the quiescent state, the network resiliency system directs the loading of the new routing information into the routing tables of the network interconnect and then directs the network interconnect to start injecting request packets into the network interconnect.
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