Performance analysis of realistic optical time division multiplexed wavelength routed networks

C. Y. Li, G. M. Li, Ping Kong Alexander Wai, V. O.K. Li

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

2 Citations (Scopus)


Application of optical time division multiplexing (OTDM) in wavelength routed optical networks greatly enhances the flexibility of bandwidth assignment because OTDM provides time division sub-channels in a wavelength to match the processing speed of electronic devices. Different types of such OTDM wavelength-routed (OTDM-WR) networks, assuming different levels of sophistication of the OTDM technology, have been proposed. The performance of these OTDM-WR networks improves with the time-slot routing capability of the intermediate nodes of the network. However, as the transmission rate increases up to hundreds of gigabits per wavelength channel, electronic processing of the time slots limits the achievable performance of the OTDM-WR networks. All-optical signal processing can overcome the electronics bottleneck, but the available all-optical signal processing capability is rather limited and cannot yet utilize the full potential of time-slot routing. Even with such limitations, current technologies, such as fast wavelength converters and micro-electromechanical system (MEMS) optical switches, can significantly enhance the performance of existing wavelength-routed networks by adding the OTDM capability, albeit limited. We develop time-slot routing schemes that require fast wavelength converters only and study the performance of these schemes by simulations on Manhattan street networks and a network with the topology of the AT&T North America OC-48 fiber network.
Original languageEnglish
Title of host publication2003 IEEE 18th Annual Workshop on Computer Communications, CCW 2003 - Proceedings
Number of pages5
ISBN (Electronic)0780382390, 9780780382398
Publication statusPublished - 1 Jan 2003
Event2003 18th IEEE Annual Workshop on Computer Communications, CCW 2003 - Dana Point, United States
Duration: 20 Oct 200321 Oct 2003


Conference2003 18th IEEE Annual Workshop on Computer Communications, CCW 2003
Country/TerritoryUnited States
CityDana Point


  • Bandwidth
  • Microelectromechanical systems
  • Micromechanical devices
  • Optical devices
  • Optical fiber networks
  • Optical signal processing
  • Optical wavelength conversion
  • Performance analysis
  • Time division multiplexing
  • Wavelength routing

ASJC Scopus subject areas

  • Computer Networks and Communications

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