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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 27 — Dec. 19, 2011
  • pp: 26872–26882

A time-shift scheduling-enabled optical flow switched network architecture and its performance

Shaowei Huang, Yosuke Katsukawa, Akio Tajima, Soichiro Araki, and Ken-ichi Kitayama  »View Author Affiliations


Optics Express, Vol. 19, Issue 27, pp. 26872-26882 (2011)
http://dx.doi.org/10.1364/OE.19.026872


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Abstract

Optical flow switching (OFS) has been proposed as a simple and cost-effective transport technology for users with large transactions (>1 second). In previous studies, a fast wavelength reservation method was deployed for flow transmission in OFS-based networks. However, reserving a single wavelength for users with small transactions encounters a very common problem: inefficient wavelength utilization. In this paper, a flow transmission cycle is introduced to each wavelength, and each cycle consists of multiple slots, so that flows of different transactions can be multiplexed onto a single wavelength. It is assumed that inter-metropolitan area network (MAN) traffic is transported over wide area network (WAN). A global time-shift scheduling methodology taking into account propagation delays in MAN is designed to avoid potential contentions occurring among different flows which are carried by the same wavelength in WAN. The contributions of this paper are, first it provides a new OFS network architecture which can achieve better throughput and average wavelength utilization performance without losing the feature of simple transport structure provided by OFS; second, it is the first time that issues of how OFS networks are managed and controlled are addressed from a system point of view.

© 2011 OSA

OCIS Codes
(060.4253) Fiber optics and optical communications : Networks, circuit-switched
(060.4259) Fiber optics and optical communications : Networks, packet-switched

ToC Category:
Backbone and Core Networks

History
Original Manuscript: October 3, 2011
Revised Manuscript: November 13, 2011
Manuscript Accepted: November 14, 2011
Published: December 16, 2011

Virtual Issues
European Conference on Optical Communication 2011 (2011) Optics Express

Citation
Shaowei Huang, Yosuke Katsukawa, Akio Tajima, Soichiro Araki, and Ken-ichi Kitayama, "A time-shift scheduling-enabled optical flow switched network architecture and its performance," Opt. Express 19, 26872-26882 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-27-26872


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References

  1. Cisco Systems, Inc., “Approaching the Zettabyte Era,” White Paper, June 16, 2008.
  2. L. G. Roberts, “The Internet is broken,” IEEE Spectr.46(7), 36–39 (2009).
  3. M. Zukerman, “Back to the future,” IEEE Commun. Mag.47(11), 36–38 (2009). [CrossRef]
  4. G. Weichenberg, V. W. Chan, and M. Médard, “Design and Analysis of Optical Flow-Switched Networks,” J. Opt. Commun. Netw.1(3), B81–B97 (2009). [CrossRef]
  5. V. W. S. Chan and Z. Lei, “Scalable control plane architecture for optical flow switched networks,” in Optical Fiber Communication Conference, OSA Technical Digest Series (Optical Society of America, 2011), paper OWP4.

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