Notice of RetractionResearch on routing and switching technology in optical communication network

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.

In this paper, we discuss the routing technology, and analyze the switching technology in optical communication network. WDM optical systems provide orders of magnitude increases in the bandwidth that can be delivered over an existing fiber plant, and enable a significant time-to-market improvement in service delivery, compared to the alternative of laying additional fiber to provide more bandwidth. WDM systems are deployed widely in long haul service provider networks, and are increasingly being deployed in metro service provider networks and for enterprise data center connectivity applications. We describe and analyze the switching architecture of the node. Wavelength conversion in key network nodes is emerging as a fundamental functionality that can allow transparent interoperability, contention resolution, wavelength routing, and, in general, better utilization of the network resources under dynamic traffic patterns. To implement wavelength converters in the optical cross-connect (OXC) is a key step towards the all-optical networks.