ITU‐T's Technical Reports and Specifications 923 Table of Contents Page 1 Scope ...................................................................................................................... 926 2 Definitions .............................................................................................................. 926 2.1 Terms defined elsewhere ..................................................................................... 926 3 Framework of SSC standards .................................................................................. 926 4 SSC‐related SDOs activities ..................................................................................... 928 4.1 Overview .............................................................................................................. 928 4.2 Challenges ............................................................................................................ 929 4.3 Types of standardization work ............................................................................. 930 5 Outline of SSC standard needs and gap analysis ..................................................... 931 5.1 Smart sustainable city service standards ............................................................. 931 5.2 Information and communication technology standards ..................................... 939 5.3 Management and assessment standards ............................................................ 944 5.4 Building and physical infrastructure standards ................................................... 946 Abbreviations .................................................................................................................... 951 Bibliography ...................................................................................................................... 954