Center for Scientific Computing (CSC) is the Finnish national center for high-performance computing and networking. It runs a large-scale facility for computational science and engineering and its customers come from universities, research institutes and industry. CSC is also responsible for the operations of the Finnish university and research network (FUNET). As a TTN, CSC specializes in high-end numerical simulations on parallel supercomputers using state-of-the art numerical methods and parallelization strategies. Our special expertise includes computational physics, chemistry and biology, CFD and structural analysis together with visualization and high-performance networking techniques.