Jim Hodges has worked in telecommunications for more than 20 years, with experience in both marketing and technology roles. His primary areas of research coverage at Heavy Reading softswitch, IP Multimedia Subsystem (IMS) and application server architectures and virtualization, control plane protocols such as Diameter and OpenFlow, IP service delivery, subscriber data management (SDM) and managed services. Hodges joined Heavy Reading after nine years at Nortel Networks, where he tracked the VoIP and application server market landscape, most recently as a senior marketing manager. Other activities at Nortel included definition of media gateway network architectures and development of Wireless Intelligent Network (WIN) standards. Additional industry experience was gained with Bell Canada, where Hodges performed IN and SS7 planning, numbering administration and definition of regulatory-based interconnection models. Hodges is based in Ottawa.