The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
We apply the statistical network assessment process (SNAP) to estimate merit of flex- vs. fix-grid spectral-use with increasing-size traffic grooming (RG) of 20, 40 and 100 Gbps and progressive traffic requests on the residual C-band of the Italian network, partially loaded by legacy and defragmented traffic with a residual bandwidth percentage (RBP) of 25%, 50% and 75%. We show how the blocking probability...
We review the statistical network assessment process (SNAP) and apply it to the analysis of two different network topologies. Using SNAP, we identify topological bottlenecks and we test the effectiveness of physical layer solutions in unlocking them. We show how selected introduction of spatial division multiplexing (SDM) through fiber doubling enables to achieving a 63% and 12% capacity increase...
A new era for optical networks has been started by the development of transceivers based on digital signal processing and operating multilevel modulation formats with coherent and equalized receivers, enabling uncompensated optical links and dynamic transparent wavelength routing in nodes. Connectivity matrices at the physical layer have changed from sparse and static to full and elastic. Therefore,...
We perform a benchmarking of three different fiber types and two different implementation of flexible rate transceivers in a fixed-grid reconfigurable transparent optical network scenario. Results are obtained through a Monte Carlo based method called the Statistical Network Assessment Process (SNAP). Using the SNAP framework, we derive the statistics of the average bitrate per lightpath on a Pan...
We consider routing multicast traffic requests originating in a hierarchical optical network architecture with multiple access networks attached to a core network. A request originates in a source access network (also called collection network) and include multiple destinations in different access networks (also called distribution networks). We call them together as collection-distribution networks...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.