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Matches in SemOpenAlex for { <https://semopenalex.org/work/W3015441100> ?p ?o ?g. }

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• W3015441100 abstract "In many <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>Software-Defined Networking</i> (SDN) deployments the control plane ends up being <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>actually</i> centralized, yielding a single point of failure and attack. This paper models the interaction between the data plane and a <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>distributed</i> control plane consisting of a set of failure-prone and potentially malicious (compromised) control devices, and implements a secure and robust controller platform that allows network administrators to integrate new network functionality as with a centralized approach. Concretely, the network administrator may program the data plane from the perspective of a centralized controller without worrying about distribution, asynchrony, failures, attacks, or coordination problems that any of these could cause. We introduce a formal SDN computation model for applying network policies and show that it is <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>impossible</i> to implement <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>asynchronous non-blocking</i> and strongly consistent SDN controller platforms in that model. We then present a <underline xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>ro</u> bust <underline xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>S</u> DN <underline xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>co</u> ntroller protocol (RoSCo) which implements (i) a protocol with provably <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>linearizable semantics</i> for applying network policies that is resilient against faulty/malicious control devices as long as a <italic xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>correct majority</i> exists, and (ii) a modification to the protocol that improves performance by relaxing the guarantees of linearizability to exploit commutativity among updates. Extensive experiments conducted with a functional prototype of RoSCo over a large networked infrastructure supporting Open vSwitch (OVS)-compatible Agilio CX™ SmartNIC hardware show that RoSCo induces bearable overhead. In fact, RoSCo achieves higher throughput in most cases investigated than the seminal Ravana platform which addresses only benign (crash) failures." @default.
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• W3015441100 date "2020-07-01" @default.
• W3015441100 modified "2023-10-16" @default.
• W3015441100 title "RoSCo: Robust Updates for Software-Defined Networks" @default.
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• W3015441100 doi "https://doi.org/10.1109/jsac.2020.2986959" @default.
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