Microservices Architecture: Building 'SMART' & 'Agile' Software

Dec 18, 20172 likes841 views

SmartBear

Learn the basics of microservices architecture and how you can build SMART, Agile software with Zaloni's Sabby Gupta.

Microservices Architecture
Building 'SMART' & 'Agile' Software
Sabby Gupta {Product Architect -> Zaloni Inc.}
1

History
2010s2000s1990s1980s< 1970s
Netflix, Amazon,
Google manage their
growth - apis, devops,
distributed paradigm
SOA, Mobile,
Efficiency & Cost
savings, Agile,
CI/CD
LISP, PROLOG,
ERLANG,
SMALLTALK
Web Services -
Microsoft lead,
DCOM/CORBA
Actor Model (Carl
Hewitt) and human
services (do one
thing right)
4

Microservice architectural style is an approach to developing
a single application as a suite of small services, each running
in its own process and communicating with lightweight
mechanisms, often an HTTP resource API. These services are
built around business capabilities and independently
deployable by fully automated deployment machinery. There
is a bare minimum of centralized management of these
services, which may be written in different programming
languages and use different data storage technologies.
~Martin Fowler~
6

Compare to SOA?
● Horizontal vs Vertical Design
● Reusability
● Governance Standards
○ Web Services (WS-*),
XML, HTTP, SOAP etc
● EAI - ESB Focus - Smart Pipes
● Popularity of containers
● SOA DONE RIGHT
(opinionated way)!! 7

Resilience
Bulkheading - manage failure without having it cascade throughout
the services participating in the workflow
12

Organizational Alignment
“Any organization that designs a system
(defined more broadly here than just information
systems) will inevitably produce a design whose
structure is a copy of the organization’s
communication structure.”
~Melvin Conway~
If you have four groups working on a compiler,
you’ll get a 4-pass compiler.
~Eric S. Raymond~
16

Microservice Architecture
https://jhipster.github.io/microservices-architecture/
19

Principle 1 - Business Domain
Modelling & Responsibilities
Order
Customer
Bonus
Program #
Delivery
Customer
Delivery
Address
Delivery
Service Type
Billing
Customer
Billing
Address
Tax Rate
21

Principle 3 - Encapsulate & Aggregate
24

Principle 4 - Autonomy / Self-Service
25

Principle 5 - Deploy Independently
Service :: Host Consumer Driven Contracts Versioning
27

Principle 6 - Api First Design
Documentation
28

Principle 6 - Api First Design
Service Discovery
29

Principle 7 - Failure Isolation
Bulkheading
Circuit Breaker
30

Principle 8 - Devops
Log Aggregation
Stats Aggregation
Service Ops Correlation
31

Principle 9 -
Organizational
Culture &
Psychological
Safety
~Peter Drucker~
32

Silver Bullet?
- Invest in aligning teams to
service architecture
- Invest in understanding and
modeling business domain
- Invest in infra automation
- Invest in automated testing
- Invest in Continuous
Delivery
- Invest in API First Design
- Will experience hockey stick
growth in microservice
adoption
- OK to start monolithic and
move to microservices
33

Thanks!
Contact us:
Zaloni Inc
633 Davis Dr, Durham, NC
27709
sgupta@zaloni.com
@sabygupta
https://www.linkedin.com/in
/sabyasachigupta/
34

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Microservices Architecture: Building 'SMART' & 'Agile' Software

1. Microservices Architecture Building 'SMART' & 'Agile' Software Sabby Gupta {Product Architect -> Zaloni Inc.} 1

2. What’s in it for me? 2

3. 3

4. History 2010s2000s1990s1980s< 1970s Netflix, Amazon, Google manage their growth - apis, devops, distributed paradigm SOA, Mobile, Efficiency & Cost savings, Agile, CI/CD LISP, PROLOG, ERLANG, SMALLTALK Web Services - Microsoft lead, DCOM/CORBA Actor Model (Carl Hewitt) and human services (do one thing right) 4

5. What are microservices? 5

6. Microservice architectural style is an approach to developing a single application as a suite of small services, each running in its own process and communicating with lightweight mechanisms, often an HTTP resource API. These services are built around business capabilities and independently deployable by fully automated deployment machinery. There is a bare minimum of centralized management of these services, which may be written in different programming languages and use different data storage technologies. ~Martin Fowler~ 6

7. Compare to SOA? ● Horizontal vs Vertical Design ● Reusability ● Governance Standards ○ Web Services (WS-*), XML, HTTP, SOAP etc ● EAI - ESB Focus - Smart Pipes ● Popularity of containers ● SOA DONE RIGHT (opinionated way)!! 7

8. Technical Value 8

9. Technology Heterogeneity 9

10. Ease of deployment 10

11. Composability 11

12. Resilience Bulkheading - manage failure without having it cascade throughout the services participating in the workflow 12

13. Scaling 13

14. Optimizing for replaceability 14

15. Organizational Value 15

16. Organizational Alignment “Any organization that designs a system (defined more broadly here than just information systems) will inevitably produce a design whose structure is a copy of the organization’s communication structure.” ~Melvin Conway~ If you have four groups working on a compiler, you’ll get a 4-pass compiler. ~Eric S. Raymond~ 16

17. Sample Reference Architecture 17

18. Development & Ops Process 18

19. Microservice Architecture https://jhipster.github.io/microservices-architecture/ 19

20. Principles of Microservices 20

21. Principle 1 - Business Domain Modelling & Responsibilities Order Customer Bonus Program # Delivery Customer Delivery Address Delivery Service Type Billing Customer Billing Address Tax Rate 21

22. 22

23. Principle 2 - Automation 23

24. Principle 3 - Encapsulate & Aggregate 24

25. Principle 4 - Autonomy / Self-Service 25

26. Dumb Pipes, Smart Endpoints 26

27. Principle 5 - Deploy Independently Service :: Host Consumer Driven Contracts Versioning 27

28. Principle 6 - Api First Design Documentation 28

29. Principle 6 - Api First Design Service Discovery 29

30. Principle 7 - Failure Isolation Bulkheading Circuit Breaker 30

31. Principle 8 - Devops Log Aggregation Stats Aggregation Service Ops Correlation 31

32. Principle 9 - Organizational Culture & Psychological Safety ~Peter Drucker~ 32

33. Silver Bullet? - Invest in aligning teams to service architecture - Invest in understanding and modeling business domain - Invest in infra automation - Invest in automated testing - Invest in Continuous Delivery - Invest in API First Design - Will experience hockey stick growth in microservice adoption - OK to start monolithic and move to microservices 33

34. Thanks! Contact us: Zaloni Inc 633 Davis Dr, Durham, NC 27709 [email protected] @sabygupta https://www.linkedin.com/in /sabyasachigupta/ 34

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