Mehmet Toy, Ph.D, is a Distinguished Engineer at Comcast, USA, involved in network architectures and standards. Previously, Dr. Toy held management and technical positions at ADVA Optical Networking, Intel Corporation, Verizon Wireless, Axiowave Networks, Fujitsu Network Communications, AT&T Bell Labs and Lucent Technologies. He has contributed to research, development and standardization of Cloud Services Architectures, Metro Ethernet, DOCSIS Provisioning of EPON (DPoE), IP Multimedia Systems (IMS), Asynchronous Transfer Mode (ATM), optical, IP/MPLS, and wireless. He has authored four books, and numerous articles in these areas and signal processing, and has taught at universities as a tenure-track and adjunct faculty member.