NETWORKING 2006. Networking technologies, services, protocols; performance of computer and communication networks; mobile and wireless communications systems : 5th International IFIP-TC6 Networking Conference, Coimbra, Portugal, May 15-19 2006 - Boavida, Fernando; Plagemann, Thomas; Stiller, Burkhard; Westphal, Cedric; Monteiro, Edmundo (Lecture Notes in Computer Science,, 2006)