Search for: [Subject and Keywords = interring traffic] OR [Subject and Keywords = active nodes] OR [Subject and Keywords = optical transport network] OR [Subject and Keywords = ring network design] OR [Title = Developing a Ring\-Based Optical Network Structure with Glass\-Through Nodes, Journal of Telecommunications and Information Technology, 2012, nr 2] OR [Creator = Voß, Stefan] OR [Creator = Caserta, Marco] OR [Creator = Schwarze, Silvia]