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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and O. Gerstel
  • Vol. 4, Iss. 7 — Jul. 1, 2012
  • pp: 533–545

Free-Space Optoelectronic Switching Cores With MPLS for SANs Over WDM Ring Networks

Hsi-Hsir Chou, B. Pranggono, T. D. Wilkinson, F. Zhang, W. A. Crossland, and J. M. H. Elmirghani  »View Author Affiliations

Journal of Optical Communications and Networking, Vol. 4, Issue 7, pp. 533-545 (2012)

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With increasing demands on storage devices in the modern communication environment, the storage area network (SAN) has evolved to provide a direct connection allowing these storage devices to be accessed efficiently. To optimize the performance of a SAN, a three-stage hybrid electronic/optical switching node architecture based on the concept of a MPLS label switching mechanism, aimed at serving as a multi-protocol label switching (MPLS) ingress label edge router (LER) for a SAN-enabled application, has been designed. New shutter-based free-space multi-channel optical switching cores are employed as the core switch fabric to solve the packet contention and switching path conflict problems. The system-level node architecture design constraints are evaluated through self-similar traffic sourced from real gigabit Ethernet network traces and storage systems. The extension performance of a SAN over a proposed WDM ring network, aimed at serving as an MPLS-enabled transport network, is also presented and demonstrated.

© 2012 OSA

OCIS Codes
(060.4262) Fiber optics and optical communications : Networks, ring
(250.6715) Optoelectronics : Switching

ToC Category:
Research Papers

Original Manuscript: May 7, 2012
Revised Manuscript: May 7, 2012
Manuscript Accepted: May 21, 2012
Published: June 8, 2012

Hsi-Hsir Chou, B. Pranggono, T. D. Wilkinson, F. Zhang, W. A. Crossland, and J. M. H. Elmirghani, "Free-Space Optoelectronic Switching Cores With MPLS for SANs Over WDM Ring Networks," J. Opt. Commun. Netw. 4, 533-545 (2012)

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