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This second special issue, "Assessments, Models and Evaluation", in- cludes a collection of Kaleidoscope papers that address the performance of ICT networks and emerging capabilities to streamline performance, quality of service (QoS) and quality of experience (QoE). ITU's standardization work targets operational aspects of performance, QoS and QoE; the end-to-end quality aspects of interoperability; and the development of both subjective and objective quality-assessment methodologies for multimedia services. ITU-T Study Group 12 - ITU's standardization expert group responsible for perfor- mance, QoS and QoE - is considering the integration of some of these papers' findings into its standardization work.' The five papers and their respective authors are as follows: 1. CollaborationbetweenNetworkPlayersofInformationCentricNetwork: An Engineering-Economic Analysis. Mohammad Arifuzzaman (Waseda University, Japan); Keping Yu (Waseda University, Japan); Takuro Sato (Waseda University, Japan) 2. QoXcloud: A cloud platform for QoE evaluation. Eduardo Saiz (University of the Basque Country, Spain); Eva Ibarrola (University of the Basque Country, Spain); Leire Cristobo (University of the Basque Country, Spain); Ianire Taboada (University of the Basque Country, Spain) 3. Towards the Standardization of Stereoscopic Video Quality Assessment: An Application for Objective Algorithms. José Vinícius de Miranda Cardoso (Federal University of Campina Grande - UFCG, Brazil); Carlos Danilo Regis (IFPB, Brazil); Marcelo S. Alencar (Federal University of Campina Grande, Brazil) 4. On Data Program Interfaces. Dmitry Namiot (Moscow State University, Russia); Manfred Sneps- Sneppe (Ventspils University College, Latvia) 5. An Open Source Real-Time Data Portal. Sudesh Lutchman (The University of the West Indies, Trinidad and Tobago); Patrick Hosein (University of the West Indies, Trinidad and Tobago)