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Using routers to build logic circuits: How powerful is BGP?
Roma Tre University, Italy.ORCID iD: 0000-0002-9675-9729
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2013 (English)In: 2013 21st IEEE International Conference on Network Protocols (ICNP), IEEE Computer Society, 2013, article id 6733584Conference paper, Published paper (Refereed)
Abstract [en]

Because of its practical relevance, the Border Gateway Protocol (BGP) has been the target of a huge research effort since more than a decade. In particular, many contributions aimed at characterizing the computational complexity of BGP-related problems. In this paper, we answer computational complexity questions by unveiling a fundamental mapping between BGP configurations and logic circuits. Namely, we describe simple networks containing routers with elementary BGP configurations that simulate logic gates, clocks, and flip-flops, and we show how to interconnect them to simulate arbitrary logic circuits. We then investigate the implications of such a mapping on the feasibility of solving BGP fundamental problems, and prove that, under realistic assumptions, BGP has the same computing power as a Turing Machine. We also investigate the impact of restrictions on the expressiveness of BGP policies and route propagation (e.g., route propagation rules in iBGP and Local Transit Policies in eBGP) and the impact of different message timing models. Finally, we show that the mapping is not limited to BGP and can be applied to generic routing protocols that use several metrics.

Place, publisher, year, edition, pages
IEEE Computer Society, 2013. article id 6733584
Series
Proceedings - International Conference on Network Protocols, ICNP, ISSN 1092-1648
National Category
Communication Systems Computer Sciences
Identifiers
URN: urn:nbn:se:kth:diva-222334DOI: 10.1109/ICNP.2013.6733584Scopus ID: 2-s2.0-84896755247ISBN: 9781479912704 (print)OAI: oai:DiVA.org:kth-222334DiVA, id: diva2:1180754
Conference
2013 21st IEEE International Conference on Network Protocols, ICNP 2013, Gottingen, Germany, 7 October 2013 through 10 October 2013
Note

QC 20180207

Available from: 2018-02-06 Created: 2018-02-06 Last updated: 2018-02-07Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf