Towards green high capacity optical networks

I. Glesk; M. N. Mohd Warip; S. K. Idris; T. B. Osadola; I. Andonovic

doi:10.1117/12.914559

11 October 2011 Towards green high capacity optical networks

I. Glesk, M. N. Mohd Warip, S. K. Idris, T. B. Osadola, I. Andonovic

Proceedings Volume 8306, Photonics, Devices, and Systems V; 830602 (2011) https://doi.org/10.1117/12.914559
Event: Photonics Prague 2011, 2011, Prague, Czech Republic

Abstract

The demand for fast, secure, energy efficient high capacity networks is growing. It is fuelled by transmission bandwidth needs which will support among other things the rapid penetration of multimedia applications empowering smart consumer electronics and E-businesses. All the above trigger unparallel needs for networking solutions which must offer not only high-speed low-cost "on demand" mobile connectivity but should be ecologically friendly and have low carbon footprint. The first answer to address the bandwidth needs was deployment of fibre optic technologies into transport networks. After this it became quickly obvious that the inferior electronic bandwidth (if compared to optical fiber) will further keep its upper hand on maximum implementable serial data rates. A new solution was found by introducing parallelism into data transport in the form of Wavelength Division Multiplexing (WDM) which has helped dramatically to improve aggregate throughput of optical networks. However with these advancements a new bottleneck has emerged at fibre endpoints where data routers must process the incoming and outgoing traffic. Here, even with the massive and power hungry electronic parallelism routers today (still relying upon bandwidth limiting electronics) do not offer needed processing speeds networks demands. In this paper we will discuss some novel unconventional approaches to address network scalability leading to energy savings via advance optical signal processing. We will also investigate energy savings based on advanced network management through nodes hibernation proposed for Optical IP networks. The hibernation reduces the network overall power consumption by forming virtual network reconfigurations through selective nodes groupings and by links segmentations and partitionings.

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I. Glesk, M. N. Mohd Warip, S. K. Idris, T. B. Osadola, and I. Andonovic "Towards green high capacity optical networks", Proc. SPIE 8306, Photonics, Devices, and Systems V, 830602 (11 October 2011); https://doi.org/10.1117/12.914559

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KEYWORDS

Optical networks

Wavelength division multiplexing

Optical signal processing

Switching

Receivers

Signal processing

Data processing

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