Towards Understanding Bugs in Open Source Router Software

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Executive Summary

Software errors and vulnerabilities in core Internet routers have led to several high-profile attacks on the Internet infrastructure and numerous outages. Building an understanding of bugs in open-source router software is a first step towards addressing these problems. In this paper, the authors study router bugs found in two widely-used open-source router implementations. They evaluate the root cause of bugs, ease of diagnosis and detectability, ease of prevention and avoidance, and their effect on network behavior.

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