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On capacity planning for the GMPLS network control plane

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Abstract

This article presents capacity planning rules for the control plane of all-optical networks featuring GMPLS and RSVP-TE as a connection setup protocol. As per RSVP standard, a refresh message mechanism is incorporated to RSVP such that the state is periodically refreshed on a link per link basis. We provide analytical expressions for the bandwidth and buffer sizes to be provided such that no flows are torn down due to lack of refresh messages. Our findings show that small buffers (several KBytes) suffice to sustain the signaling load for as much as 400 RSVP flows per link, with the simplest RSVP refresh mechanism (neither using link bundling nor acknowledgments). On the other hand, we also find the packet drop probability per link for a given network topology for the case that the flow survival probability is larger than a given threshold. We provide numerical examples based on the COST 239 european network topology and real RSVP traffic traces from early-commercial switching equipment.

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Authors and Affiliations

  1. Universidad Pública de Navarra, Campus de Arrosadía s/n, 31006, Pamplona, Spain

    Daniel Morató

  2. Universidad Autónoma de Madrid, Campus de Cantoblanco, 28049, Madrid, Spain

    Javier Aracil

  3. Telefónica I+D, Emilio Vargas 6, 28043, Madrid, Spain

    Juan Pedro Fernández-Palacios & Óscar González de Dios

  4. Telefónica S.A., Gran Vía 28, 28013, Madrid, Spain

    Jesús-Felipe Lobo Poyo

Authors
  1. Daniel Morató
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  2. Javier Aracil
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  3. Juan Pedro Fernández-Palacios
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  4. Óscar González de Dios
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  5. Jesús-Felipe Lobo Poyo
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Correspondence to Daniel Morató.

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Morató, D., Aracil, J., Fernández-Palacios, J.P. et al. On capacity planning for the GMPLS network control plane. Photon Netw Commun 15, 159–169 (2008). https://doi.org/10.1007/s11107-007-0107-9

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  • DOI: https://doi.org/10.1007/s11107-007-0107-9

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