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Modeling The Topology Of Sdh Networks

Author

Listed:
  • A. SANTIAGO

    (Grupo de Sistemas Complejos - Universidad Politécnica de Madrid, E.T.S.I. Agrónomos, 28040 Madrid, Spain)

  • J. P. CÁRDENAS

    (Grupo de Sistemas Complejos - Universidad Politécnica de Madrid, E.T.S.I. Agrónomos, 28040 Madrid, Spain)

  • M. L. MOURONTE

    (Telefónica I+D (TID), c/Emilio Vargas 6, 28043, Madrid, Spain)

  • V. FELIU

    (Telefónica I+D (TID), c/Emilio Vargas 6, 28043, Madrid, Spain)

  • R. M. BENITO

    (Grupo de Sistemas Complejos - Universidad Politécnica de Madrid, E.T.S.I. Agrónomos, 28040 Madrid, Spain)

Abstract

SDH (Synchronous Digital Hierarchy) is the standard technology for the information transmission in broadband optical networks. Unlike the Internet, SDH networks are strictly planned; rings, meshes, stars, or tree-branches topologies are designed to connect their basic elements. In spite of that, we have found that the SDH network operated by Telefónica in Spain shares remarkable topological properties with other real complex networks empirically analyzed, such as the worldwide web network. In particular, we have found power-law scaling in the degree distribution(P(k) ~ k-γ)and properties of small world networks. Considering real planning directives that take into account geographical and technological variables, we propose anad hoccomputational model that reproduces the aforementioned topological traits observed in the Spanish SDH network.

Suggested Citation

  • A. Santiago & J. P. Cárdenas & M. L. Mouronte & V. Feliu & R. M. Benito, 2008. "Modeling The Topology Of Sdh Networks," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 19(12), pages 1809-1820.
    • Handle: RePEc:wsi:ijmpcx:v:19:y:2008:i:12:n:s0129183108013369
    DOI: 10.1142/S0129183108013369
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    References listed on IDEAS

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    1. Dorogovtsev, S.N. & Mendes, J.F.F., 2003. "Evolution of Networks: From Biological Nets to the Internet and WWW," OUP Catalogue, Oxford University Press, number 9780198515906.
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