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Model. Anal. Inform. Sist., 2014, Volume 21, Number 6, Pages 57–70 (Mi mais412)  

On the update problems for software defined networks

V. A. Zakharov, E. V. Chemeritsky

Lomonosov Moscow State University, Leninskiye Gory, 1-52, Moscow, GSP-1, 119991, Russia, Applied Research Center for Computer Networks

Abstract: The designing of network update algorithms is urgent for the development of SDN control software. A particular case of Network Update Problem is that of restoring seamlessly a given network configuration after some packet forwarding rules have been disabled (say, at the expiry of their time-outs). We study this problem in the framework of a formal model of SDN, develop correct and safe network recovering algorithms, and show that in general case there is no way to restore network configuration seamlessly without referring to priorities of packet forwarding rules.

Keywords: software defined network, switch, controller, forwarding rule, packet, network update, route, post-condition, invariant.

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UDC: 519.681
Received: 14.11.2014

Citation: V. A. Zakharov, E. V. Chemeritsky, “On the update problems for software defined networks”, Model. Anal. Inform. Sist., 21:6 (2014), 57–70

Citation in format AMSBIB
\Bibitem{ZakChe14}
\by V.~A.~Zakharov, E.~V.~Chemeritsky
\paper On the update problems for software defined networks
\jour Model. Anal. Inform. Sist.
\yr 2014
\vol 21
\issue 6
\pages 57--70
\mathnet{http://mi.mathnet.ru/mais412}


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