1. Energy Efficiency in Cloud Software
Architectures
Giuseppe Procaccianti
Patricia Lago
Grace A. Lewis

2. A common statement
“Cloud computing is
energy efficient...”
Energy Efficiency in Cloud Software Architectures

3. Cloud as a Nation
...but how much,
exactly?
Energy Efficiency in Cloud Software Architectures

4. Our approach
We analyze Software
Cloud Service
Energy Efficiency in Cloud Software Architectures
Architectures to
study their influence on
Energy Efficiency.

5. Study Design
Systematic Literature Review (SLR)
● Google Scholar
● 149 hits
● 26 primary studies
Energy Efficiency in Cloud Software Architectures

6. Study Design
Inclusion/Exclusion
● A study that directly proposes software
architectures, architectural styles or
strategies.
● A study that does not aim at optimizing the
EE of the cloud computing infrastructure.
Energy Efficiency in Cloud Software Architectures

7. Analysis
Coding process
● Strategies
● Techniques
● Components
Energy Efficiency in Cloud Software Architectures

8. Strategies
1. Energy Monitoring
(Metering)
Energy Efficiency in Cloud Software Architectures

9. Strategies
2. Self Adaptation
(Scaling)
Energy Efficiency in Cloud Software Architectures

10. Strategies
3. Cloud Federation
(Energy Broker)
Energy Efficiency in Cloud Software Architectures

11. Strategies
Energy Efficiency in Cloud Software Architectures

12. Strategies - Combination
Energy Efficiency in Cloud Software Architectures

13. Techniques
Energy Efficiency in Cloud Software Architectures

14. Components
Energy Efficiency in Cloud Software Architectures

15. Conclusions
● Energy Efficiency as an architectural concern
● Dependencies and assumptions
● Trade-off between EE and other system qualities
Energy Efficiency in Cloud Software Architectures

16. What’s next?
Early design-level decision-making
support for energy efficient software
Evaluation of the
sustainability
impact of Cloud-based software
Energy Efficiency in Cloud Software Architectures

17. Thank you!
Energy Efficiency in Cloud Software Architectures