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ISA Principles

ISA Principles

ISA (Independent Systems Architecture) is a collection of best practices based on experience in particular with microservices and Self-contained Systems and the challenges faced in those projects.

Transcript

  1. Independent Systems Architecture: ISA Creator: INNOQ | http://isa-principles.org

  2. Creator: INNOQ | http://isa-principles.org Principles of Microservices

  3. Creator: INNOQ | http://isa-principles.org 1 | Modules 2 | Macro

    / Micro Architecture 3 | Container 4 | Integration & Communication 5 |Authentication & Metadata 6 | Independent Continuous Delivery Pipeline 7 | Standardized Operations 8 | Standards: Interface only 9 | Resilience
  4. Creator: INNOQ | http://isa-principles.org Best practices > for microservices >

    for Self-contained Systems (SCS) http://scs-architecture.org Introduction Why ISA? ! ! !
  5. 1 | Modules Creator: INNOQ | http://isa-principles.org

  6. Creator: INNOQ | http://isa-principles.org > Modules: Old idea > Modularization

    for a system 1 | Modules
  7. Creator: INNOQ | http://isa-principles.org Reuse “Module” ideas: > High cohesion,

    low coupling, > Separation of concerns, > Single Responsibility … 1 | Modules
  8. Creator: INNOQ | http://isa-principles.org > Modules provide interfaces > Access

    only through interface 1 | Modules
  9. Creator: INNOQ | http://isa-principles.org > Information hiding > Microservice must

    not use other microservices’ internals (e.g. database schemas). 1 | Modules
  10. 2 | Macro / Micro Architecture Creator: INNOQ / http://isa-principles.org

  11. Creator: INNOQ | http://isa-principles.org > Decisions for all modules 2

    | Macro / Micro Architecture Macro Architecture
  12. Creator: INNOQ | http://isa-principles.org > Decisions per module 2 |

    Macro / Micro Architecture Micro Architecture
  13. Creator: INNOQ | http://isa-principles.org > All modules part of one

    system > Goal: Minimal Macro Architecture > Macro Architecture stable 2 | Macro / Micro Architecture Why Macro Architecture?
  14. 3 | Container Creator: INNOQ / http://isa-principles.org

  15. Creator: INNOQ | http://isa-principles.org > Modules = containers (or VMs,

    processes …) 3 | Container
  16. Creator: INNOQ | http://isa-principles.org > Decoupling > Independent … –

    technical decision – scalability – deployment 3 | Container Process, Container, VM
  17. 4 | Integration & Communication Creator: INNOQ | http://isa-principles.org

  18. Creator: INNOQ | http://isa-principles.org > Integrate modules to become a

    system Synchronous, asynchronous, or UI 4 | Integration & Communication
  19. Creator: INNOQ | http://isa-principles.org > Limit options > Just one:

    not enough 4 | Integration & Communication
  20. Creator: INNOQ | http://isa-principles.org > Define technical communication protocol >

    REST, messaging … 4 | Integration & Communication
  21. 5 | Authentication & Metadata Creator: INNOQ | http://isa-principles.org

  22. Creator: INNOQ | http://isa-principles.org > Standardize metadata e.g. for authentication

    or tracing > Authorization in each module 5 | Authentication & Metadata
  23. 6 | Independent Continuous Delivery Pipeline Creator: INNOQ | http://isa-principles.org

  24. Creator: INNOQ | http://isa-principles.org > Microservices can only be deployed

    independently … > ... if pipelines are independent 6 | Independent Continuous Delivery Pipeline
  25. 7 | Standardize Operations Creator: INNOQ | http://isa-principles.org

  26. Creator: INNOQ | http://isa-principles.org > Configuration, log analysis, tracing, monitoring,

    deployment > Reduce effort 7 | Standardize Operations
  27. 8 | Standards: Interface only Creator: INNOQ | http://isa-principles.org

  28. Creator: INNOQ | http://isa-principles.org > Standardize e.g. configuration … or

    log interface > Do not standardize the library! 8 | Standards: Interface only
  29. 9 | Resilience Creator: INNOQ | http://isa-principles.org

  30. Creator: INNOQ | http://isa-principles.org > Module still work … if

    other modules fail 9 | Resilience
  31. Creator: INNOQ | http://isa-principles.org > Module still work … if

    moved somewhere else 9 | Resilience
  32. Creator: INNOQ | http://isa-principles.org Independent System Architecture Container Modules Macro

    / Micro Architecture Independent Continuous Delivery Pipeline Resilience Integration & Communication Authentication & Metadata Standardized Operations Standards: Interface only
  33. Creator: INNOQ | http://isa-principles.org COPYRIGHT This presentation is copyrighted under

    a Creative Commons Attribution-ShareAlike 3.0 / Unported License http://creativecommons.org/licenses/by-sa/3.0/ Creator