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Buzzwords at the Cloud Native era - Paris Container Day 2018

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Talk presenting the concepts of Service Mesh, Serverless and Tracing as simply as possible. This was presented at the Paris Container Day 2018 on 26th June 2018, in front of 100 people.

Below is the abstract of the talk:

Some weeks ago, I was at the KubeCon + CloudNativeCon EU. 3 main topics that
are not as well-known as they should be were mentioned a lot:

- Service Mesh
- Serverless/FaaS
- Modern observability / Tracing

For most people, these topics are really fuzzy since they are somewhat recent.
It's easy to wonder what Service Mesh offers compared to traditional Load Balancing, what technology you should pick among Linkerd, Conduit, Envoy, Istio, when they all seem to do the same things. For Serverless and FaaS, one could wonder what they bring to the table when we already have orchestrators and containers that we can deploy in one command. And finally, it's easy to get lost among all the monitoring paradigms: metrics, logs, tracing... why everyone and every product is onboarding some tracing capabilities recently?

We'll talk about all of this during these 20min. It may seem a lot, but we'll go straight to the point as "what's the need it's looking to address and why should I care"

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Buzzwords at the Cloud Native era - Paris Container Day 2018

  1. 1. #ContainerDayFR Buzzwords at the Cloud Native era Alexis “Horgix” Chotard
  2. 2. #ContainerDayFRParis Container Day 2018 Alexis “Horgix” Chotard Unicorn evangelist ▼ Systems Engineer & Consultant @ Xebia ▼ Loves to automate everything ▼ Strives to do things cleanly 2 Horgix Horgix
  3. 3. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Buzzwords? ▼ Tracing ▼ Service Mesh ▼ Serverless It’s hard to keep up with every new concept. Challenge: get you to understand all of these in 20 minutes! 3
  4. 4. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Reminders Micro-services: “Approach to developing a single application as a suite of small services, each running in its own process and communicating with lightweight mechanisms” 4 https://www.martinfowler.com/articles/microservices.html
  5. 5. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Reminders Orchestration: ▼ Allocate resources to jobs ▼ Reschedule jobs in case of failure ▼ Bring API-centric infrastructure 5
  6. 6. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Reminders We live in a distributed world, with microservices being orchestrated across more and more servers. 6
  7. 7. Buzzwords at the Cloud Native era #ContainerDayFR @HorgixParis Container Day 2018 7 Tracing … and modern observability
  8. 8. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Observability “An observable system is one that exposes enough data about itself so that generating information (finding answers to questions yet to be formulated) and easily accessing this information becomes simple.” ▼ Logging ▼ Metrics ▼ Tracing 8 https://medium.com/@copyconstruct/monitoring-in-the-time-of-cloud-native-c87c7a5bfa3e
  9. 9. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Observability 9
  10. 10. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Tracing - Events! ▼ Logging: recording events ▼ Metrics: data combined from measuring events ▼ Tracing: recording events with causal ordering Usage: ▼ Logs: easy to `grep`, manually read ▼ Metrics: can identify trends + context ▼ Traces: identify cause across services Often called APM (Application Performance Management) 10
  11. 11. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Solutions 11
  12. 12. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Tracing for your boss Tracing is the capability to follow and inspect a request and all its subsequent calls in a distributed system 12
  13. 13. Buzzwords at the Cloud Native era #ContainerDayFR @HorgixParis Container Day 2018 13 Service Mesh … or intelligent routing with observability
  14. 14. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Routing ▼ Classic Load Balancers ▼ What about deployments? ▼ API Gateways ▼ Source of information ▼ Quality of service 14
  15. 15. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Why you need it ▼ Make your deployments easier ▼ Give you better observability on everything that's using it ▼ Act smarter than you would ▼ Is a Service Mesh mandatory? No. ▼ Will it make your life easier and lower the amount of tooling and integration you have to handle yourself? Yes! 15
  16. 16. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Solutions 16
  17. 17. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Service Mesh for your boss Service Mesh solutions connect your services while offering you control and observability on HOW they’re connected - think deployments and service quality - 17
  18. 18. Buzzwords at the Cloud Native era #ContainerDayFR @HorgixParis Container Day 2018 18 Serverless … and more precisely Functions-as-a-Service
  19. 19. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix New paradigm ▼ 5 years ago: “Run this infrastructure-as-code that installs my app” ▼ Now: “Run my container” ▼ Future: “Run my code!” 19
  20. 20. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix What about PaaS? ▼ "Run my code" has been around for years ▼ Heroku popularized it (https://12factor.net/ ) ▼ Scalingo ▼ Google App Engine, AWS Beanstalk, ... Difference? ▼ No long running task ▼ Run on demand ▼ Billed per call on hosted platforms 20
  21. 21. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Elasticity - Bare-metal 21
  22. 22. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Elasticity - VMs / Containers 22
  23. 23. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Elasticity - FaaS 23
  24. 24. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Why you want it ▼ On hosted platforms: 0 call == $0 ! ▼ Closest we can get from not caring about elasticity ▼ As easy as possible to deploy ▼ Microservices at their paroxysm (nanoservices?) 24
  25. 25. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Solutions Serverless landscape: https://s.cncf.io/ 25
  26. 26. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Serverless for your boss Functions as a Service makes you deploy smaller services to have costs that match your load, while concentrating only on your code and not on how it runs 26
  27. 27. Buzzwords at the Cloud Native era #ContainerDayFR @HorgixParis Container Day 2018 27 Conclusion / Take away … in case you fell asleep ;)
  28. 28. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Take away ▼ Tracing gives you better insights on all this distributed world by being able to follow requests across the system ▼ Service Mesh allows you to interconnect your services ▼ Serverless makes you think in "running code" instead of "running containers" or even “running servers” 28
  29. 29. #ContainerDayFRParis Container Day 2018 Buzzwords at the Cloud Native era @Horgix Take away We live in a distributed world, with microservices being orchestrated across more and more servers… And we are ready to observe things in this distributed world, to handle traffic and deployments smartly, and to start thinking about functions instead of containers. 29
  30. 30. Buzzwords at the Cloud Native era #ContainerDayFR @HorgixParis Container Day 2018 30 The End Questions ?

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