Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Testing Network Conditions with ToxiProxy

Avatar for Celso Crivelaro Celso Crivelaro
March 18, 2017
Technology
0
80

Testing Network Conditions with ToxiProxy

Talk in Agile Testers Conference - São Paulo, Brazil

Avatar for Celso Crivelaro

Celso Crivelaro

March 18, 2017
Tweet

More Decks by Celso Crivelaro

See All by Celso Crivelaro
Sistemas de Recomendação
Avatar for Celso Crivelaro celsocrivelaro
2
210
Big Data para Gerentes de Projetos
Avatar for Celso Crivelaro celsocrivelaro
0
57
FileSystems em Ruby com FUSE
Avatar for Celso Crivelaro celsocrivelaro
2
64
Padrões e Boas Práticas de Teste de Tela
Avatar for Celso Crivelaro celsocrivelaro
0
410
Projeto de APIs
Avatar for Celso Crivelaro celsocrivelaro
0
160
Testing Network Conditions with ToxiProxy
Avatar for Celso Crivelaro celsocrivelaro
1
380
Actor Model in Ruby
Avatar for Celso Crivelaro celsocrivelaro
0
250
Separando as regras de negócios do Rails
Avatar for Celso Crivelaro celsocrivelaro
0
180
InfluxDB + Grafana
Avatar for Celso Crivelaro celsocrivelaro
0
260

Other Decks in Technology

See All in Technology
現場で効くClaude Code ─ 最新動向と企業導入
Avatar for TakaakiKakei takaakikakei
1
200
Terraformで構築する セルフサービス型データプラットフォーム / terraform-self-service-data-platform
Avatar for pei0804 pei0804
1
120
2025年にHCP Vaultを学び直して見えた景色 / Lessons and New Perspectives from Relearning HCP Vault in 2025
Avatar for AEON aeonpeople
0
230
LLMを搭載したプロダクトの品質保証の模索と学び
Avatar for SmartHR 品質保証部 qa
0
1k
バッチ処理で悩むバックエンドエンジニアに捧げるAWS Glue入門
Avatar for morimorikochan diggymo
3
180
職種の壁を溶かして開発サイクルを高速に回す~情報透明性と職種越境から考えるAIフレンドリーな職種間連携~
Avatar for daitasu daitasu
0
130
エラーとアクセシビリティ
Avatar for Tajima Sachiko schktjm
1
1.2k
Obsidian応用活用術
Avatar for 松濤Vimmer onikun94
1
440
開発者を支える Internal Developer Portal のイマとコレカラ / To-day and To-morrow of Internal Developer Portals: Supporting Developers
Avatar for Kento Kimura aoto
PRO
1
430
「何となくテストする」を卒業するためにプロダクトが動く仕組みを理解しよう
Avatar for kawabeaver kawabeaver
0
280
Django's GeneratedField by example - DjangoCon US 2025
Avatar for Paolo Melchiorre pauloxnet
0
100
AIのグローバルトレンド2025 #scrummikawa / global ai trend
Avatar for kyonmm kyonmm
PRO
1
260

Featured

See All Featured
Designing for Performance
Avatar for Lara Hogan lara
610
69k
Put a Button on it: Removing Barriers to Going Fast.
Avatar for kastner kastner
60
4k
Optimizing for Happiness
Avatar for Tom Preston-Werner mojombo
379
70k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
Avatar for Chris Coyier chriscoyier
507
140k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
Avatar for Michelle Schulp Hunt marktimemedia
31
2.5k
How To Stay Up To Date on Web Technology
Avatar for Chris Coyier chriscoyier
790
250k
GitHub's CSS Performance
Avatar for Jon Rohan jonrohan
1032
460k
The Psychology of Web Performance [Beyond Tellerrand 2023]
Avatar for Tammy Everts tammyeverts
49
3k
Building Flexible Design Systems
Avatar for Yesenia Perez-Cruz yeseniaperezcruz
328
39k
How to train your dragon (web standard)
Avatar for Monica Dinculescu notwaldorf
96
6.2k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
Avatar for Addy Osmani addyosmani
7
840
The Cost Of JavaScript in 2023
Avatar for Addy Osmani addyosmani
53
8.9k

Transcript

  1. Testing network conditions with ToxiProxy Celso Crivelaro @celsocrivelaro

  2. Tech Lead @

  3. Professor @

  4. Past: Monolithic Applications

  5. Today: Distributed Systems

  6. External API Service Server App DB API Mobile Mobile App

    Web App

  7. Share Resources Communication over TCP/IP

  8. Network- dependent Apps

  9. None

  10. https://engineering.riotgames.com/news/fixing-internet-real-time-applications-part-i

  11. None
  12. None
  13. None
  14. None

  15. Network fails

  16. “A Distributed System is one in which the failure of

    a computer you didn’t even know existed can render your own computer unusable” Leslie Lamport
  17. None

  18. Network Model

  19. "Ozzy" Model?

  20. None

  21. 200.124.124.1 200.0.124.5 200.5.34.12 200.3.5.51 200.3.5.52

  22. 200.124.124.1 200.0.124.5 200.5.34.12 200.3.5.51 200.3.5.52 200.124.124.1:80 -> 200.3.5.52:80

  23. Networking Problems

  24. No connection No connection between parts Latency Timeout Bandwidth Slow

    Close Time to packages go and return Stop responding Bandwidth size in Mb/s Slow close connection

  25. What are we testing?

  26. How your app responds to network errors

  27. User perception to network problem Business rule to the problem

    Technical action to the problem

  28. Resiliency

  29. How to simulate?

  30. Hard modify a staging env Hard to automate Low level

    tools -> For sysadmins No APIs for Devs or QA

  31. http://toxiproxy.io

  32. TCP TCP APP SERVICE

  33. TCP TCP APP SERVICE Toxies Latency Bandwidth ...

  34. TCP TCP TCP TCP APP SERVICE 2 SERVICE 1 HTTP

    API
  35. None

  36. How to automate

  37. Some Solutions

  38. Low timeout Retries Patterns - Circuit Break Fallbacks Caching strategies

  39. Resiliency Matrix

  40. App 1 Database API App 2 ZIP Checker External API

    App 3 Unavailable Unavailable Unavailable Unavailable Degraded Available Available Not Aplic. Not Aplic. Unavailable Degraded Degraded If integration fails...

  41. References

  42. None

  43. http://toxiproxy.io

  44. https://engineering.shopify.com/17489072-building-and-testing-resilient-ruby-on-rails-applications

  45. Thank you! @celsocrivelaro Slides in: http://crivelaro.me