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Traffic grooming continues to be a rich area of research in the context of WDM optical networks. We provide an overview of the optical and electronic grooming techniques available with focus on IP as the client layer. We discuss the various architectural alternatives available: peer, overlay and augmented models. We first provide a survey on the research work in the area of traffic grooming in optical...
Increasing onboard processing capabilities of sensors enable self-organization in wireless sensor networks to dynamically adapt to ad-hoc topologies and to react to task or network changes. Such self-organization, however, comes at a cost of additional energy consumption of the sensor nodes with already limited power resources. Energy limitations of sensor nodes in unattended environments require...
The light-trail architecture provides a novel solution to address IP-centric issues at the optical layer. By incorporating drop and continue functionality, overlaid with a lightweight control protocol, light-trails enable efficient sharing of network resources, support subwavelength traffic and minimize costs. In this work, we investigate network design and survivability issues in such networks in...
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