I-SPAN is a forum for scientists, engineers, and practitioners throughout the world to exchange ideas and research results related to the design, use, analysis, and application of parallel architectures, algorithms, networks, and internet technology. This year the program includes sessions on online optimization, sensor networks and graph algorithms. The proceedings also explores interconnection networks, architectures and systems, management, distributed algorithms, networks and communication, P2P, network routing, heterogeneous wireless ad hoc and sensor networks, as well as high-performance computing.