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NetCo: Reliable routing with unreliable routers

 
: Feldmann, Anja; Heyder, Philipp; Kreutzer, Michael; Schmid, Stefan; Seifert, Jean-Pierre; Shulman, Haya; Thimmaraju, Kashyap; Waidner, Michael; Sieberg, Jens

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Institute of Electrical and Electronics Engineers -IEEE-; IEEE Computer Society; International Federation for Information Processing -IFIP-:
46th Annual IEEE/IFIP International Conference on Dependable Systems and Network Workshops, DSN 2016. Proceedings : DSN-W Volume, Toulouse, France, June 28 - July 1st, 2016
Los Alamitos, Calif.: IEEE Computer Society Conference Publishing Services (CPS), 2016
ISBN: 978-1-4673-8891-7
ISBN: 978-1-5090-3688-2 (Print)
ISBN: 978-1-5090-3689-9
S.128-135
International Conference on Dependable Systems and Network (DSN) <46, 2016, Toulouse>
International Workshop on Dependability Issues on SDN and NFV <2, 2016, Toulouse>
Englisch
Konferenzbeitrag
Fraunhofer SIT ()

Abstract
Software-Defined Networks (SDNs) are typically designed and operated under the assumption that the underlying routers (and switches) are trustworthy. Recent incidents, however, suggest that this assumption is questionable. The possibility of incorrect or even malicious router behavior introduces a wide range of security problems. The problem is exacerbated by the fact that governments and companies do not have the expertise nor budget to build their own trusted high-performance routing hardware. This paper presents NetCo, an approach to build secure routing using insecure routers. NetCo is inspired by the robust combiner concept known from cryptography, and leverages redundancy to compile a secure whole from insecure parts. We present the basic design of NetCo, and report on a prototype implementation in OpenFlow.

: http://publica.fraunhofer.de/dokumente/N-426091.html