ecological transition in ict and iot€¦ · socio-ecological transition in ict 2. replace kpi...
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Ecological transition in ICT and IoT
Prof. David BolECS group, ICTEAM institute, UCLouvain
[email protected] 3, 2019
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Recent climate change model update
Source: CNRS, CEA & Météo-France, 17/9/2019IoT & Mobility 2019D. Bol
Tem
per
atu
re r
ise
[°C
]
21002000 205019501900
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Global social-ecological crisis
• Climate change
• Depletion of critical resources
• Collapse of biodiversity
• Rise of economic inequalities
• Consumerism/productivism focus
IoT & Mobility 2019D. Bol
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Outline
• Context: global social-ecological crisis
• What about ICT ?
• Social-ecological transition in ICT
IoT & Mobility 2019D. Bol
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Growth in Internet data traffic
IoT & Mobility 2019D. Bol
Global growth rate 2016-2021: + 24% / year
Source: CISCO, VNI, 2017
Exabytes per month
Growth rate:for smartphone communications: + 48% / yearfor M2M (IoT) communications: + 70% / year
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6D. Bol
Internet energy consumption model
[1] S. Baudoin, “Modélisation de la consommation énergétique de l'Internet selon une approcheascendante”, TFE (Supervision: D. Bol), UCL, 2013. [2] E. Taylor, “The environmental impact of smart gridscommunication systems: a case-study approach”, TFE (Supervision D. Bol and E. De Jaeger), UCL, 2015.[3] The Shift Project, Lean ICT material: the 1byte model”, 2018. [4] Ibidem, “Lean ICT report”, 2019.
Electrical energy consumption
per data transfer[1,2,3]
Worldwide GHG emissions
of ICT infrastructure[4]
2018 status 0.35-1 kWh/GB4% of total
CO2e
Change rate ~ -10% / year +9% / year !
IoT & Mobility 2019
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7IoT & Mobility 2019D. Bol
GHG emissions from online video
Source: The Shift Project
2018 data
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Trend in IoT device market
IoT & Mobility 2019D. Bol
An
nu
al p
rod
uct
ion
of
IoT
dev
ices
Source: ARM and SoftBank
The edge will eat the cloud […] the edge is coming and it’s going to be big.
– Thomas Bittman, Gartner Blog Network
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Energy footprint – Home camera• 10 HD cameras always-on:
– 3900 GB / month
– Generates 50% of the household electrical energyconsumption in the cloud
• Engineering solutions:
– local event detectionthough AI/ML inference Edge computing
– more efficient network 5G
IoT & Mobility 2019D. Bol
Person
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Engineering solutions usually bring
electrical power reduction but …
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Increasing transistor density by shrinking the feature size
Better performance and energy efficiency
× More complex manufacturing: more energy and more material
IoT & Mobility 2019D. Bol
Source: Intel
Moore’slaw
Moore’s lawgrowth rate : +41%/year
[Horowitz, ISSCC, 2014]
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Energy footprint of chip fabrication
Chip unit sale: +9%/year (thanks Steve !)
× Chip unit fab energy: +8%/year (thanks Gordon!)
= Global chip fabrication energy footprint: +17% per year
IoT & Mobility 2019D. Bol
Bill
ion
ch
ip u
nit
sso
ld
Source: IC insights, 2019
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It’s not only about energy
IoT & Mobility 2019D. Bol
Coltan mine in North Kivu (Congo)Copyright: Stefano Stranges
E-waste informal recyclingarea in Guiyu (China)
E-waste generated in 2018: 50M tons =
20000 × (weight)
5000 × (weight)
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Impact of financial economy on ICT innovation
IoT & Mobility 2019D. Bol
• Pitfall #1: Buzzword-driven innovation
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Impact of financial economy on ICT innovation
IoT & Mobility 2019D. Bol
• Pitfall #1: Buzzword-driven innovation
• Pitfall #2: KPI-driven innovation
Qu
arte
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,$]
Q1/19’ Q2/19’ Q3/19’ Q4/19’F Q1/20’F
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# t
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, # h
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# C
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# p
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sQ1/19’ Q2/19’ Q3/19’ Q4/19’F Q1/20’F
Shareholders Engineers
Impact
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What will we use 5G for ?(example of KPI-driven innovation)
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The case of AV and 5G
• A lot of sensor data a lot of power in the cloud
• A lot of ICs and batteries a lot of rare metal resources
• Rebound effect: how to say no to 100-km commuting ?
• Systemic effect: driver becomes a consumer !
IoT & Mobility 2019D. Bol
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N. Moreau, S. Guérit, P.-Y. Gousenberger, B. Pairet,
« L’illusion techno-optimiste », La Libre, 10/5/2019.
2020
Total = 42 GTCO2/year
2050
24 GTCO2/year
ICT
Other
ICT
Other(+2°C IPCC plan)
The technological illusion
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20D. Bol
5G, blockchain,quantum computing, self-driving cars,
deep-learning,drones, …
The Digital Tower of Babel
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No exponential is forever …but forever can be delayed.
– Gordon E. Moore
The time is now to stop following blindly these exponential trends
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Socio-ecological transition• […] Transition initiative […] refers to grassroot
community projects that aim to increase self-sufficiency to reduce the potential effects of peak oil, climate destruction, and economic instability. [Wikipedia]
• The social-ecological transition answers environmental change with social progress.
– Prof. E. Laurent, 2015
IoT & Mobility 2019D. Bol
Environment preservation
Resiliency Local organization
Social linkSobriety
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How do we apply these principlesto ICT engineering ?
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Socio-ecological transition in ICT
1. Focus innovation on fundamental needs
– Select applications with low rebound-effect potential
– Needs human interaction with the rest of the world (i.e. non engineers)
IoT & Mobility 2019D. Bol
Social link
Environment preservation
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Socio-ecological transition in ICT
2. Replace KPI drive by reduction in carbon / resource footprint (caution: ≠ efficiency !!!)
IoT & Mobility 2019D. Bol
Foo
tpri
nt
Q1/19’ Q2/19’ Q3/19’ Q4/19’F Q1/20’F
Low power Low BoM with simple/
low-impact components Low replacement rate
(fight obsolescence)
Environment preservation
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Socio-ecological transition in ICT
3. Appropriate technology (low/mid tech is cool)
Requires:
– out-of-the-box thinking
– even higher engineering skills !IoT & Mobility 2019D. Bol
Sobriety
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Socio-ecological transition in ICT
4. Target resiliency
– Limit the dependency on global major companies
– Repair capability
IoT & Mobility 2019D. Bol
Resiliency
Local organization
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Three positive IoT examples
Environment preservation Biomedical applications Fighting battery replacement
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29D. Bol IoT & Mobility 2019
EnviCam® : multi-gaz sensor, multi-technologies, multi-pixel approach(« environmental camera » concept)
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Medicine beyond the pill
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Ambient energy-harvestingsolutions
No batteryreplacement
No primarybattery
Supercapacitor
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Acknowledgements:PhD students, professors, adminsand operators at UCLouvainfor coffee-time philosophic exchanges
IoT & Mobility 2019
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33D. Bol
Thank you! (waiting for your suggestions)
IoT & Mobility 2019
This work was supported by the Walloon Region and EU region under FEDER projectIDEES, the Brussels region under COPINE-IoT project, the F.R.S.-FNRS of Belgium.
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Bonus
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Sobriety in the use of ICT
• Do not waste data traffic
• Consume data locally
• Fight electronic obsolescence(protect, repair, question the replacement)
IoT & Mobility 2019D. Bol