5 Guiding Principles To Practical Digital Ecodesign

Talk given @ Apidays Paris 2022 on Dec 16, 2022.

A variant of this talk was presented at an internal conference for Deezer in 2023.

Transcript

1. 16/12/2022 5 Guiding Principles To Practical Digital Ecodesign Apidays Paris 2022 Florimond Manca Software developer, Fairness
2. 16/12/2022 Apidays Paris 2022 - Florimond Manca 2 « Where do I start ? »
3. 16/12/2022 Apidays Paris 2022 - Florimond Manca 3
4. 16/12/2022 Apidays Paris 2022 - Florimond Manca 4 Principle #1 Learn the basics A short recap on what matters...
5. 16/12/2022 Apidays Paris 2022 - Florimond Manca 5 ^ Source: Planetary boundaries, Steffen et al 2015, Persson et al 2022, Stockholm Resilience Center < Credit : TSMC, Ltd ^ Surroundings of the Ajka aluminum factory, Hungary, 2010 Digital infrastructure is critical and depleting
6. 16/12/2022 Apidays Paris 2022 - Florimond Manca 6 Source: Environmental impact assessment result for a personal computer, Choi et al, 2006 Source: The environmental footprint of the digital world, GreenIT.fr, 2019 See also: Controverses minières, SystExt, 2021 (FR) User equipment, networks, datacenters Avoid manufacturing of new equipment
7. 16/12/2022 Apidays Paris 2022 - Florimond Manca 7 Principle #2 Start from existing practices Good news, bad news...
8. 16/12/2022 Apidays Paris 2022 - Florimond Manca 8 Ecodesign x Engineering practices Resource utilization Performance efficiency (ISO 25010) Time behavior Capacity Leverage existing tools web.dev, Lighthouse, Yellow Lab Tools... Rebound effects? (ISO 14006)
9. 16/12/2022 Apidays Paris 2022 - Florimond Manca 9 Principle #3 Question the needs « Do we really need…? »
10. 16/12/2022 Apidays Paris 2022 - Florimond Manca 10 Story time
11. 16/12/2022 Apidays Paris 2022 - Florimond Manca 11 Bringing everyone at the table Users 🤝 Engineers UX designers PO / PM
12. 16/12/2022 Apidays Paris 2022 - Florimond Manca 12 Principle #4 Beware measurement bikeshedding « What one cannot measure, one cannot improve. » …Or can we? Source : Wikiquote
13. 16/12/2022 Apidays Paris 2022 - Florimond Manca 13 Measurements... Greenhouse gases (GHG) Water consumption Primary energy Ecotoxicity Abiotic resource depletion ✅ ❔ ❔ ❔ ❔ Estimates Lifecycle analysis (LCA)
14. 16/12/2022 Apidays Paris 2022 - Florimond Manca 14 Source: Boavizta, Multicriteria server impacts, dec 2022 See also: boaviztapi See also: Scaphandre
15. 16/12/2022 Apidays Paris 2022 - Florimond Manca 15 Ecodesign is (a lot of) common sense Squeeze that brain juice!
16. 16/12/2022 Apidays Paris 2022 - Florimond Manca 16 Principle #5 Aim for the radical shift Ascending the gradient of ecodesign radicalism
17. 16/12/2022 Apidays Paris 2022 - Florimond Manca 17 Gradient of ecodesign radicalism* L1 L2 L3 L4 Optimization Technical redesign Functional innovation Slow tech (Radical shift) *Inspired by GreenIT.fr, Sobriété : manifeste pour une slow.tech, oct 2022 • SQL queries • Code bottlenecks • Data compression • Reduced storage • ... • Modular architecture • Pull vs Push • Extensive caching • ... • Cross-functional cooperation • Simplified user journeys • Agressive feature cuts • ... Mix of: • High-tech • Low-tech • Social innovation
18. 16/12/2022 Apidays Paris 2022 - Florimond Manca 18 Learn the basics Expand existing practices Question the needs Aim for the radical shift Summary #1 #2 #3 #4 #5 Beware measurement bikeshedding Further resources • ISO 14006 • GreenIT.fr reports and studies (fr/en) • ecoindex.fr (fr) • MiNumEco (fr) • Gauthier Roussilhe’s work (fr/en) • supertanuki/numeriqueEcoResponsable (fr)
19. 16/12/2022 Apidays Paris 2022 - Florimond Manca 19 Q&A @florimondmanca @fairnesscoop florimondmanca/talks