About author:Sun Tao received his BS degree in automation (2003) and PhD degree in control science and engineering (2008), both from Tsinghua University, China. He has been with China Mobile Research Institute since 2008. He is now the Chief Expert at China Mobile. He has more than ten years of experience in mobile network architecture design, IP technology research, and standardization, and served as the Vice Chair of 3GPP SA2 (System Architecture). He currently serves as Vice Chair of 3GPP SA. Cui Yong received his BE degree (1999) and PhD degree (2004) both in computer science and engineering from Tsinghua University, China. He is currently a full professor in the Computer Science Department at Tsinghua University. He has published over 100 papers in refereed conferences and journals, receiving several Best Paper Awards. He has co-authored more than 10 Internet standard documents (RFCs). His major research interests include mobile cloud computing and network architecture. He served or serves on the editorial boards of IEEE TPDS, IEEE TCC, and IEEE Internet Computing. He also acted as a working group co-chair at IETF.
