One minute of streaming YouTube video
consumes 0.0002 KWh of energy."
"
-- TIME magazine
source: techland.time.com/2011/09/09/6-things-youd-never-guess-about-googles-energy-use/
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No content
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No content
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0.0002 KWh/min
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4 min
0.0002 KWh/min
x
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4 min
0.0002 KWh/min
2,356,975,388 views
x
x
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4 min
0.0002 KWh/min
2,356,975,388 views
x
x
1,886 MWh
example inspired by a talk given by Steve Strutt, IBM
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photo: E.ON Kernkraft GmbH
Isar Nuclear Power Plant
1,485 MW
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It is a confusion of ideas to suppose that the
economical use of fuel is equivalent to diminished
consumption. The very contrary is the truth."
"
-- William Stanley Jevons, 1865
The Jevons Paradox
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photo: Paul Hammond
?
photo: epape
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Smart City
Enhanced quality of life
Intelligent resource management
Appropriate infrastructures
Participatory processes
ICT-enabled governance
source: Ludlow, Khan 2012
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Cloud Computing
On-Demand Self Service
Broad Network Access
Resource Pooling
Rapid Elasticity
Measured Service
source: NIST 2011
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On-Demand Self Service
A consumer can unilaterally provision
computing capabilities [...] without
requiring human interaction [...].
source: NIST 2011
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On-Demand Self Service
Self-management
Independence
Sustainability
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Broad Network Access
Capabilities are available over the
network and [...] standard mechanisms
that promote use by [...] thin or thick
client platforms [...].
source: NIST 2011
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Broad Network Access
Required by citizens and industry
Mobile network coverage
Sensor networks
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Resource Pooling
[...] resources are pooled [...]
according to consumer demand. [...]
the customer generally has no control
or knowledge over the exact location
of the provided resources [...].
source: NIST 2011
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Resource Pooling
Efficient and reasonable use
Just distribution
Green City
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Rapid Elasticity
Capabilities can be elastically
provisioned and released [...] to scale
rapidly [...]. To the consumer, the
capabilities available [...] often
appear to be unlimited [...].
source: NIST 2011
Measured Service
Cloud systems automatically control
and optimize resource use [...].
Resource usage can be monitored,
controlled, and reported, providing
transparency for both the provider and
consumer [...].
source: NIST 2011
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Measured Service
Continuous Monitoring
Transparency
Public Participation
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SaaS
Web portal, apps, public participation
PaaS
Open Data, services, APIs
IaaS
Fibre networks, sensor networks