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Is the Network Turing-Complete? EPFL Technical Report 187131

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Is_the_Network_Turing-Complete_TR_EPFL_2013_EN.pdf (232.1Kb)
Identificadores
URI: http://hdl.handle.net/20.500.12761/1397
DOI: EPFL-REPORT-187131
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Autor(es)
Perešíni, Peter; Kostic, Dejan
Fecha
2013-06-25
Resumen
Ensuring correct network behavior is hard. This is the case even for simple networks, and adding middleboxes only complicates this task. In this paper, we demonstrate a fundamental property of networks. Namely, we show a way of using a network to emulate the Rule 110 cellular automaton. We do so using just a set of network devices with simple features such as packet matching, header rewriting and round-robin loadbalancing. Therefore, we show that a network can emulate any Turing machine. This ultimately means that analyzing dynamic network behavior can be as hard as analyzing an arbitrary program. Analyzing a network containing middleboxes is already understood to be hard. Our result shows that using even only statically configured switches can make the problem intractable.
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Ficheros
Is_the_Network_Turing-Complete_TR_EPFL_2013_EN.pdf (232.1Kb)
Identificadores
URI: http://hdl.handle.net/20.500.12761/1397
DOI: EPFL-REPORT-187131
Metadatos
Mostrar el registro completo del ítem

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