The Next Generation of Microservices — YOW 2017 Brisbane
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The Next Generation of Microservices — YOW 2017 Brisbane
- 1. The Next Generation of Microservices Phil Calçado http://philcalcado.com @pcalcado
- 3. highly distributed application architecture We can think of microservices as
- 4. Highly distributed application architectures are just a flavor of distributed computing
- 5. Technical Challenges Organization Challenges Introducing distribution into your architecture brings up new
- 6. Introducing distribution into your architecture brings up new
- 8. The example we will work with today: Recovering from temporary failure
- 11. "I know, let’s use microservices”
- 12. Timeouts Your code looks like this now Biz Logic Timeouts
- 13. server client
- 14. Timeouts Your code looks like this now Biz Logic Timeouts RPC code
- 15. server client 🔥 🔥 🔥
- 18. "I know, let’s implement circuit breakers and timeouts”
- 19. Circuit breakers Timeouts Your code looks like this now Biz Logic Timeouts Telemetry RPC code
- 20. server client client client client client client
- 22. 🔥 wait ☺ 😰 🔥 🔥 ☺ wait 😰 ☺ 🔥 🔥 wait 😰 ☺ 🔥 🔥 wait 😰 ☺ 🔥 🔥 …
- 23. 🔥 🗑
- 24. "I know, let’s have all circuit breakers share state”
- 25. "I know, let’s have all circuit breakers share state” Answer to the question “how did my application ended up importing a Zookeeper library again?"
- 26. Circuit breakers Timeouts Your code looks like this now Biz Logic Timeouts Telemetry RPC code Distributed state
- 27. "I know, let’s have clients keep track of healthy instances”
- 28. server client 🔥 🔥 🔥 server server serverserver 🔥 🔥 🔥 💩 🤔 Which instance should we talk to? ☺
- 29. DNS be like… '
- 30. Circuit breakers Timeouts Your code looks like this now Biz Logic Timeouts Telemetry RPC code Distributed state Client-side Service Discovery
- 31. And that’s just for RPC reliability.
- 32. What makes 2017 different?
- 34. Circuit breakers Timeouts Biz Logic Timeouts Telemetry RPC code Distributed state Client-side Service Discovery SDK
- 35. Application Transport Internet Network Circuit breakers Telemetry RPC code Distributed state Client-side Service Discovery }TCP/IP }? One way to think about it
- 36. But how does one go about adding a new layer to the TCP/IP stack?
- 37. Sidecars to the rescue Circuit breakers Timeouts Biz Logic Timeouts Telemetry RPC code Distributed state Client-side Service Discovery SCARY OUTSIDE WORLD
- 38. Sidecars to the rescue Circuit breakers Timeouts Biz Logic Timeouts Telemetry RPC code Distributed state Client-side Service Discovery SCARY OUTSIDE WORLDSidecar
- 39. Sidecars to the rescue
- 41. How does that impact your service?
- 42. Circuit breakers Timeouts Biz Logic Timeouts Telemetry RPC code Distributed state Client-side Service Discovery Service Platform
- 45. Timeouts Biz Logic Stability Service Platform Capacity Security Availability
- 47. Allows our services to pretend some of those are true
- 48. It’s not that these patterns aren’t used anymore, it’s just that the dumb work moved down the stack.
- 49. New, optmised, protocols are quite opaque (e.g. gRPC and friends) Works better with metadata-rich protocols
- 50. It makes it even harder to fully replicate production earlier in the development cycle Coupled to the platform
- 51. Not everything will be part of the mesh, i.e. the network still isn’t homogeneous Leaky abstraction
- 52. Q&A