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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 24, Iss. 9 — Sep. 3, 2006
  • pp: 3303–

Evolution Toward the Next-Generation Core Optical Network

Adel A. M. Saleh and Jane M. Simmons

Journal of Lightwave Technology, Vol. 24, Issue 9, pp. 3303- (2006)


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Abstract

With high-bandwidth and on-demand applications continuing to emerge, next-generation core optical networks will require significant improvements in capacity, configurability, and resiliency. These advancements need to be achieved with architectures and technologies that are scalable with respect to network cost, size, and power requirements. To investigate the limitations of extending today's solutions to meet these goals, a North American backbone network with a tenfold growth in traffic is modeled. The results of this paper illuminate at least three areas that will potentially require innovative solutions, namely 1) transmission modulation formats, 2) switching granularity, and 3) edge traffic grooming. In addition to probing issues related to increased capacity, configurability is also examined, mainly in the context of switching architectures. Advanced network protection is discussed as well, at a high level. A central theme is how to harness the trend of optics scaling better than electronics. Throughout this paper, potential advancements in architecture and technology are enumerated to serve as a foundation for the research needed to attain the goals of next-generation core networks.

© 2006 IEEE

Citation
Adel A. M. Saleh and Jane M. Simmons, "Evolution Toward the Next-Generation Core Optical Network," J. Lightwave Technol. 24, 3303- (2006)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-24-9-3303

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