16. strokovni seminar OPTIČNE KOMUNIKACIJE
Ljubljana, 28. - 30. januar 2009

item.gif (983 bytes) Future optical networks and enabling technologies


Benn Thomsen, University College London (UCL), UK




Current communications networks only exploit optics for point-to-point
transmission of signals and all networking functionality is implemented in
the electronic domain. Data now dominates the traffic carried by these
networks, this creates new problems for networks and traffic engineering
because the demand varies on a fast timescale. Improving the flexibility and
granularity in the optical layer will enable networks to more efficiently
adapt to this variable demand. Here we will explore some of the proposed
optical network architectures that move routing into the optical domain in
order to more efficiently utilise the limited transmission resource. We will
also discuss the physical layer technologies that will be required to
implement such networks.



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