Virtual circuit allocation with QoS guarantees in the ECOFRAME optical ring

  • Authors:
  • Christian Cadéré;Nora Izri;Dominique Barth;Jean-Michel Fourneau;Dana Marinca;Sandrine Vial

  • Affiliations:
  • PRiSM - UMR, Université de Versailles St Quentin, Versailles, France;PRiSM - UMR, Université de Versailles St Quentin, Versailles, France;PRiSM - UMR, Université de Versailles St Quentin, Versailles, France;PRiSM - UMR, Université de Versailles St Quentin, Versailles, France;PRiSM - UMR, Université de Versailles St Quentin, Versailles, France;PRiSM - UMR, Universite de Versailles St Quentin, Versailles, France

  • Venue:
  • ONDM'10 Proceedings of the 14th conference on Optical network design and modeling
  • Year:
  • 2010

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Abstract

We present the ECOFRAME metro ring network and how we can provide virtual circuit emulation with QoS guarantee at a subwavelegth level. The architecture is based on a centralized HUB and reservations. The scheduler in the HUB reserves a set of rectangles, called a pattern to describe the slots allocated to a node. We study the tradeoff between the complexity of the reservation at the HUB level and the performance of the network: distribution of the end to end delay and utilization of the ring.