Page 232 - Shaping smarter and more sustainable cities - Striving for sustainable development goals

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Figure 2 – Multi‐tier SSC ICT meta‐architecture
A smart sustainable city can be also considered a system comprising subsystems and, its ICT
architecture (as depicted in Figure 3), where each subsystem addresses a different smart sustainable
city service category. Finally, with regard to its technical definition, it has been seen from different
views. Figures 4 and 5 demonstrate the communication view of the SSC ICT architecture, from a
physical and an information flow perspective respectively. Please note that both perspectives of this
view are multi‐tier.

Waste
Smart
health manage
Safety services. ment
E‐ and services.
business Emergen
services. E‐ cy
governm services.
ent
Transport services.
ation Tourism
services. services.
Educatio
n Smart
services. Building.
Smart
Energy
services.

Smart
water
services.

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Figure 3 – Subsystems of SSC ICT architecture

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2 According to Technical Specifications on “Setting the framework for an ICT architecture of a smart
sustainable city”.

222 ITU‐T's Technical Reports and Specifications