EIJI OKI, PHD, is an Associate Professor at the University of Electro-Communications in Tokyo and was the recipient of the IEEE's 2001 Asia-Pacific Outstanding Young Researcher Award. ROBERTO ROJAS-CESSA, PHD, is an Associate Professor in the Department of Electrical and Computer Engineering at New Jersey Institute of Technology. MALLIKARJUN TATIPAMULA, PHD, is Head of Packet Technologies Research at Ericsson Silicon Valley. He has over twenty years of experience in the telecommunications/networking industry, with more than 100 published papers and patents. CHRISTIAN VOGT is a Senior Marketing Manager at Ericsson Silicon Valley.