Seventh USENIX Symposium on Networked Systems Design and Implementation

Correcting Routing Failures Using Declarative Policies and Argumentation

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Many Internet failures are caused by misconfigurations of the BGP routers that manage rout-ing of traffic between domains. The problems are usually due to a combination of human er-rors and the lack of a high-level language for specifying routing policies that can be used to generate router configurations. We describe an implemented approach that uses a declarative language for specifying network-wide routing policies to automatically configure routers and show how it can also be used by software agents to diagnose and correct some networking problems


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