Network researchers face a significant problem when deploying

software in routers, either for experimentation or for pilot deployment.

Router platforms are generally not open systems, in either

the open-source or the open-API sense. In this paper we discuss the

problems this poses, and present an eXtensible Open Router Platform

(XORP) that we are developing to address these issues. Key

goals are extensibility, performance and robustness. We show that

different parts of a router need to prioritize these differently, and

examine techniques by which we can satisfy these often conflicting

goals. We aim for XORP to be both a research tool and a stable

deployment platform, thus easing the transition of new ideas from

the lab to the real world.

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In  Proceedings of ACM SIGCOMM HotNets I

Publisher  Association for Computing Machinery, Inc.
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