The Next-Generation Networking Symposium at IEEE ICCC 2015 aims to provide a forum for researchers in both academic and industry to discuss the challenging research issues relevant to next generation networking technologies. To ensure complete coverage of the advances in this field, this symposium solicits original contributions in, but not limited to, the following topical areas: Future Internet Architecture and Design Next-Generation Access Network Software Defined Networking Information-Centric Networking, Peer-to-Peer Networking, and Social Networking Data Center Networking, Network Virtualization and Services Network Convergence, Sustainability, and Resilience Privacy and Security Issues in NGN Network Planning and Management Network Service Provisioning, Measurement, and Management Interworking, Interconnection, Interoperability Issues of NGN Internet of Things (IoT), M2M, D2D, MTC Performance Evaluation