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Future Optical Technology Trends in R&E Networks

This questionnaire explores the evolving optical technology landscape and its implications for research and education networks over the next 2-5 years. Topics include interfaces, bandwidth grooming, network resilience, service models, and cost analysis.

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Future Optical Technology Trends in R&E Networks

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  1. SERENATE WP3Equipment Questionnaire Roberto Sabatino TF-NGN Budapest, 17-18 October 2002

  2. Purpose and structure • To gain an understanding of how optical technology developments will evolve over next 2, 5 years and how they can benefit R&E networks • interfaces • reach and resilience • bw grooming capabilities • circuit switching • network management • service models carriers/(N)RENs • cost analysis

  3. Interfaces • Market drivers for 40+Gbps • what signalling and protocol features • implications of 40+Gbps on fibre infrastructure • standards vs. proprietary solutions • single channel, multichannel, trasnport system between DWDM • colours vs. SONET framing

  4. Reach and resilience • What resilience techniques are available • (N)RENS rely mostly on multiple unprotected services • how does 40+Gbps affect reach

  5. BW grooming • Alternatives to SDH to inject different signals and present them as separate interfaces to users • Granularity • Can they span multiple wavelengths • Standards

  6. Circuit switching • OEO vs. OOO • real operational implications of both

  7. Network management • Peer vs.overlay model for IP and optical integration • interdomain allocation of resources • SNMP, accounting

  8. Service model • Tools for managing (N)REN infrastructure • managed fibre • tools for interdomain operation

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