Traffic Optimization in Multi-layered WANs Using SDN

• Published in: 2014 IEEE 22nd Annual Symposium on High-Performance Interconnects pp. 71 - 78
• Main Authors: Rodrigues, Henrique, Monga, Inder, Sadasivarao, Abhinava, Syed, Sharfuddin, Chin Guok, Pouyoul, Eric, Liou, Chris, Rosing, Tajana
• Format: Conference Proceeding
• Language: English
• Published: IEEE 01.08.2014
• Subjects: Bandwidth; Multi-layer; Open Flow; Optical interconnections; Optical network units; Optical packet switching; Optical switches; Software-defined networking; Topology; Traffic Engineering; Virtual Networks; Wide Area Network

Wide area networks (WAN) forward traffic through a mix of packet and optical data planes, composed by a variety of devices from different vendors. Multiple forwarding technologies and encapsulation methods are used for each data plane (e.g. IP, MPLS, ATM, SONET, Wavelength Switching). Despite standa...