ITU‐T's Technical Reports and Specifications 343 needs of present and future generations with respect to economic, social, environmental as well as cultural aspects. 3.2 Terms defined in this document These Technical Specifications defines the following term: 3.2.1 Architecture: A definition of the structure, relationships, views, assumptions and rationale of a system. 3.2.2 SSC ICT architecture: The architecture of a smart sustainable city, which emphasizes on the role of the ICT (set of ICT components, which play individual roles within the system (i.e., authentication, data repositories, etc.) and all the components interact in order to establish the expected entire SSC role. 3.2.3 Architecture framework: The process that results in the definition of an architecture, consists of 3 steps: a) meta‐architecture definition; b) architecture definition; and c) guides' definition. 4 Abbreviations and acronyms These Technical Specification/Reports use the following abbreviations and acronyms: BSI British Standards Institute EDA Event Driven Architecture FG‐SSC Focus Group on Smart Sustainable Cities GPS Global Positioning System HART Highway Addressable Remote Transducer Protocol ICT Information and Communication Technologies IoT Internet of Things ISO International Organization for Standardization ITU International Telecommunication Union OAM & P & security Operation, Administration, Maintenance and Provisioning, and Security RFID Radio Frequency Identity SCADA Supervisory Control and Data Acquisition SOA Service Oriented Architecture SOE State‐Owned‐Enterprise SSC Smart Sustainable Cities