Optical Communication Networks

Code 3.5.3367.9
Semester 9th
Flow D - Telecommunication Systems and Computer Networks
Category Obligatory by selection
Credits 4
Class Hours - Lab Hours 3 - 0
Lecturers Hercules Avramopoulos, Emmanouel (Manos) Varvarigos
Links Helios, Course's Website
Web Platform Class 1: Zoom


Optical links and constraints. Wavelength Division Multiplexing (WDM) technology. Fundamental optical network devices and switches. Optical Multiplexers-Demultiplexers, Optical Cross-Connects (OXCs), Passive non-configurable and active reconfigurable OXCs, Wavelength-Convertible Cross Connects Switches (WCS), Wavelength Converters. Broadcast and Select Networks. Passive Star Topology. Wavelength Selective Switches. Planning and Operation of Optical Networks. Routing and Wavelength Assignment (RWA) problem. Integer Linear Programming (ILP) Formulations. Heuristic algorithms. Dynamic Wavelength Assignment (RWA). Physical Layer Impairments and Impairment-Aware RWA. Spectrum-Flexible Networks and Modulation Level Adaptability. The Routing and Spectrum Allocation (RSA) problem. Defragmentation, Re-optimization and Multi-period Planning of Optical Networks. Physical and Virtual Topology. Virtual topology design formulation and optimization problem. Mixed Integer Linear Programming (MILP) formulations. Optical Packet Switched Networks. The Staggering, SLOB, and Scheduling Optical Switch Architectures. Optical Burst Switching (OBS) Network Architecture, burst assembly, classification of signaling schemes. Connection establishment and flow control protocols. Just Enough Time (JET), Just In Time (JIT), Tell and Wait (TAW), Tell and Go (TAG), and Virtual Circuit Deflection (VCD) protocols. Metropolitan Area Networks (MANs). Datacenters, Optical Interconnects and Topologies. Software Defined Networking (SDN).