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Chaos:
The Last Stand
Against Our Robot
Overlords
Nathan Äschbacher
@gen_nja
InfoQ.com: News & Community Site
• Over 1,000,000 software developers, architects and CTOs read the site world-
wide every month
• 250,000 senior developers subscribe to our weekly newsletter
• Published in 4 languages (English, Chinese, Japanese and Brazilian
Portuguese)
• Post content from our QCon conferences
• 2 dedicated podcast channels: The InfoQ Podcast, with a focus on
Architecture and The Engineering Culture Podcast, with a focus on building
• 96 deep dives on innovative topics packed as downloadable emags and
minibooks
• Over 40 new content items per week
Watch the video with slide
synchronization on InfoQ.com!
https://www.infoq.com/presentations/
chaos-engineering-reliability
Purpose of QCon
- to empower software development by facilitating the spread of
knowledge and innovation
Strategy
- practitioner-driven conference designed for YOU: influencers of
change and innovation in your teams
- speakers and topics driving the evolution and innovation
- connecting and catalyzing the influencers and innovators
Highlights
- attended by more than 12,000 delegates since 2007
- held in 9 cities worldwide
Presented at QCon San Francisco
www.qconsf.com
Freezing Robot Problem:
Once the environment surpasses a certain
level of dynamic complexity, the path planner
decides that all forward paths are unsafe.
01101 26262
When are the models done?
01101
Eleventy-Bazillion
Miles
How do you know the software is safe?
01101
¯_(ツ)_/¯
How do you know the software is safe?
26262
MISRA
HARDrealtime
26262
But the AI isn’t deterministic, so…?
26262
¯_(ツ)_/¯
ಠ_ಠ
2626201101
Formal Methods
Model Checking
Deductive Verification
Local Testing
Property-Based
Fuzz
Unit / Acceptance
Implementation
Integration Testing
Chaos
Mutation
It’s not all about introducing chaos to the
system. It’s about the chaos inherent in the
system itself.
Chaos Engineering is about engineering
practices that help us surface those systemic
effects.
-- Casey Rosenthal
Traffic & Chaos Manager
Netflix
“
”
Control
Decision
Perception
ಥ_ಥ
+
”
-- Principles of Chaos
“
”
Chaos strongly prefers to experiment directly
on production traffic.
-- Chaos Engineering
the Book
“ We don’t expect engineers to inject noise into
the sensors of self-driving cars containing
unsuspecting passengers!
“
”
-- Chaos Engineering
the Book
However, we suspect most users are not
working on these kinds of safety-critical
systems.
Over-Engineering
Unit
Software FEA ?Chaos
Integration
Property-Based
Form
al M
ethods
Fuzz
Good ol’ Engineering
Watch the video with slide
synchronization on InfoQ.com!
https://www.infoq.com/presentations/
chaos-engineering-reliability

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Chaos: The Last Stand against Our Robot Overlords

  • 1. Chaos: The Last Stand Against Our Robot Overlords Nathan Äschbacher @gen_nja
  • 2. InfoQ.com: News & Community Site • Over 1,000,000 software developers, architects and CTOs read the site world- wide every month • 250,000 senior developers subscribe to our weekly newsletter • Published in 4 languages (English, Chinese, Japanese and Brazilian Portuguese) • Post content from our QCon conferences • 2 dedicated podcast channels: The InfoQ Podcast, with a focus on Architecture and The Engineering Culture Podcast, with a focus on building • 96 deep dives on innovative topics packed as downloadable emags and minibooks • Over 40 new content items per week Watch the video with slide synchronization on InfoQ.com! https://www.infoq.com/presentations/ chaos-engineering-reliability
  • 3. Purpose of QCon - to empower software development by facilitating the spread of knowledge and innovation Strategy - practitioner-driven conference designed for YOU: influencers of change and innovation in your teams - speakers and topics driving the evolution and innovation - connecting and catalyzing the influencers and innovators Highlights - attended by more than 12,000 delegates since 2007 - held in 9 cities worldwide Presented at QCon San Francisco www.qconsf.com
  • 4. Freezing Robot Problem: Once the environment surpasses a certain level of dynamic complexity, the path planner decides that all forward paths are unsafe.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 11. When are the models done? 01101
  • 13. How do you know the software is safe? 01101
  • 15. How do you know the software is safe? 26262
  • 16. MISRA
  • 18. 26262
  • 19.
  • 20. But the AI isn’t deterministic, so…? 26262
  • 24. Formal Methods Model Checking Deductive Verification Local Testing Property-Based Fuzz Unit / Acceptance Implementation Integration Testing Chaos Mutation
  • 25. It’s not all about introducing chaos to the system. It’s about the chaos inherent in the system itself. Chaos Engineering is about engineering practices that help us surface those systemic effects. -- Casey Rosenthal Traffic & Chaos Manager Netflix “ ”
  • 27.
  • 28.
  • 30. +
  • 31.
  • 32.
  • 33.
  • 34. ” -- Principles of Chaos “ ” Chaos strongly prefers to experiment directly on production traffic. -- Chaos Engineering the Book “ We don’t expect engineers to inject noise into the sensors of self-driving cars containing unsuspecting passengers!
  • 35. “ ” -- Chaos Engineering the Book However, we suspect most users are not working on these kinds of safety-critical systems.
  • 36.
  • 37.
  • 38.
  • 39.
  • 43.
  • 44.
  • 45.
  • 46. Watch the video with slide synchronization on InfoQ.com! https://www.infoq.com/presentations/ chaos-engineering-reliability