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1 November 1996 Challenges to create optical networks for large carriers
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All optical network is creating a paradigm shift in the way communication network is designed, comparable to analog to digital transition. This paper focuses on architecture design methods for all optical network. Its primary focus is on the restoration of these networks, as the impact of failure is many magnitudes higher than traditional transmission systems. The paper also has sections related to the key element of all optical network, namely the size of optical cross-connects, as the economics of all optical network heavily depends on the cross-connect size. Capability of multiplexing wavelengths created the ability to transmit high bandwidths and technology leaps in optical amplifier resulted in longer express system. The economic benefits of such architecture are also discussed. Managing wavelengths is another key element in the all optical network. This paper discusses benefits of wavelength switching. Last but not the least, the performance requirement of optical network is discussed. Performance during failure scenarios are discussed. The paper also discusses, at a high level, a typical modeling approach with evaluation criterion for good network design.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sri S. Nathan and Iyad Tarazi "Challenges to create optical networks for large carriers", Proc. SPIE 2919, All-Optical Communication Systems: Architecture, Control, and Network Issues II, (1 November 1996); doi: 10.1117/12.256357;

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