BUILDING SYSTEMS THAT PIVOT Sam Newman Zhamak Dehghani @zhamakd - - PowerPoint PPT Presentation

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BUILDING SYSTEMS THAT PIVOT Sam Newman Zhamak Dehghani @zhamakd - - PowerPoint PPT Presentation

May 14, 2023 928 likes •1.94k views

BUILDING SYSTEMS THAT PIVOT Sam Newman Zhamak Dehghani @zhamakd @samnewman DO YOU HAVE AN ARCHITECTURE PROBLEM? < 30% DO YOU HAVE AN ARCHITECTURE PROBLEM? Overhead of releasing a large software < 30% DO YOU HAVE AN ARCHITECTURE

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SLIDE 1

BUILDING SYSTEMS THAT PIVOT

Zhamak Dehghani @zhamakd Sam Newman ¡ @samnewman

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SLIDE 2

DO YOU HAVE AN ARCHITECTURE PROBLEM?

< 30%

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SLIDE 3

DO YOU HAVE AN ARCHITECTURE PROBLEM?

< 30%

Overhead of releasing a large software

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SLIDE 4

DO YOU HAVE AN ARCHITECTURE PROBLEM?

< 30%

Large software release Infrequent releases when orchestrating many dependent teams

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SLIDE 5

DO YOU HAVE AN ARCHITECTURE PROBLEM?

< 30%

Large software release Multiple teams

  • rchestration

High risk release with untested dependencies

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SLIDE 6

DO YOU HAVE AN ARCHITECTURE PROBLEM?

< 30%

Large software release Multiple teams

  • rchestration

Untested system dependencies

ARCHITECTURE PROBLEM!

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SLIDE 7

A LONG AND BROKEN DIALOGUE

< 30%

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SLIDE 8

A LONG AND BROKEN DIALOGUE

< 30%

>50%

6 Months

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SLIDE 9

A LONG AND BROKEN DIALOGUE

< 30%

>50% <30%

6 Months

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SLIDE 10

ELEMENTS OF ARCHITECTURE

Integration

Off-the-shelf Bespoke Off-the-shelf Bespoke

Integration Integration Integration

  • What is Microservices Architecture
  • benefits ¡
  • How to implement a Microservices architecture ¡
  • How to operate a Microservices architecture

AGENDA

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SLIDE 11

CONTINUOUS DELIVERY AS AN ENABLER

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SLIDE 12

CONTINUOUS DELIVERY AS AN ENABLER

  • automated build
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SLIDE 13

CONTINUOUS DELIVERY AS AN ENABLER

  • automated build
  • automated deployment
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SLIDE 14

CONTINUOUS DELIVERY AS AN ENABLER

  • automated build
  • automated deployment
  • automated environment provisioning
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SLIDE 15

CONTINUOUS DELIVERY AS AN ENABLER

  • automated build
  • automated deployment
  • automated environment provisioning
  • automated testing
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SLIDE 16

CONTINUOUS DELIVERY AS AN ENABLER

  • automated build
  • automated deployment
  • automated environment provisioning
  • automated testing

S P E E D O F D E L I V E R Y C D M AT U R I T Y L E V E L

Threshold without changing architecture

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SLIDE 17

ARCHITECTURE

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SLIDE 18

MONOLITHIC SYSTEM

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SLIDE 19

MONOLITHIC SYSTEM

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SLIDE 20

User Interface Channels ¡ Application Business Logic & Rules Middleware ¡ Services platform Database Systems of Record

LAYERED/TIERED ARCHITECTURE

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SLIDE 21

User Interface Channels ¡ Application Business Logic & Rules Middleware ¡ Services platform Database Systems of Record

LAYERED/TIERED ARCHITECTURE

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SLIDE 22

CHALLENGES OF THE TIERED ARCHITECTURE

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SLIDE 23

CHALLENGES OF THE TIERED ARCHITECTURE

Compromised quality to satisfy the user

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SLIDE 24

CHALLENGES OF THE TIERED ARCHITECTURE

Compromised quality to satisfy the user

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SLIDE 25

CHALLENGES OF THE TIERED ARCHITECTURE

Compromised quality to satisfy the user

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SLIDE 26

CHALLENGES OF THE TIERED ARCHITECTURE

Compromised quality to satisfy the user Longer release cycle

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SLIDE 27

FINE-GRAINED ARCHITECTURE

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SLIDE 28

Broken down based

  • n vertical

business functions

FINE-GRAINED ARCHITECTURE

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SLIDE 29

Technology layers are encapsulated Inside each service

FINE-GRAINED ARCHITECTURE

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SLIDE 30

A THOUGHT EXPERIMENT

Integration Off-the-shelf

MICRO SERVICES

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SLIDE 31

A THOUGHT EXPERIMENT

Integration Off-the-shelf

MICRO SERVICES

  • Independently releasable
  • Business capability
  • Language agnostic API
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SLIDE 32

A THOUGHT EXPERIMENT

Integration Off-the-shelf

MICRO SERVICES

  • Independently releasable
  • Business capability
  • Language agnostic API
  • Small
  • 100s, not 1000s
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SLIDE 33
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SLIDE 34

AUTONOMY

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SLIDE 35

AUTONOMY

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SLIDE 36

ABSORBS TECHNOLOGY FASTER

.NET Clojure Java

[SQL Database] [Graph Database] [Document Storage]

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COMPOSE-ABILITY

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SLIDE 38

COMPOSE-ABILITY

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SLIDE 39

COMPOSE-ABILITY

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SLIDE 40

COMPOSE-ABILITY

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SLIDE 41

COMPOSE-ABILITY REPLACABILITY

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SLIDE 42

ELEMENTS OF ARCHITECTURE

Integration

Off-the-shelf Bespoke Off-the-shelf Bespoke

Integration Integration Integration

HOW TO IMPLEMENT MICROSERVICES

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SLIDE 43

BOUNDARIES

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SLIDE 44

SPLITTING

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SLIDE 45

SPLITTING

Speed of change

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SPLITTING Security

Speed of change

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SLIDE 47

SPLITTING Security

Speed of change Team Structure

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SLIDE 48

CAN I RELEASE THEM SEPARATELY?

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SLIDE 49

COUPLING THROUGH DATABASE

CUSTOMER ORDERS

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SLIDE 50

COUPLING THROUGH DATABASE

CUSTOMER ORDERS

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SLIDE 51

COUPLING THROUGH DATABASE

CUSTOMER ORDERS

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SLIDE 52

COUPLING THROUGH ENTERPRISE SERVICE BUS

Smart & Complex Integration System

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SLIDE 53

COUPLING THROUGH ENTERPRISE SERVICE BUS

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MICROSERVICES INTEGRATION

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SLIDE 55

Simple & Dumb ¡ Integration

Programming language agnostic ¡ Open standards ¡ HTTP/SON

Smart Service & ¡ Endpoint

MICROSERVICES INTEGRATION

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CUSTOMER ORDERS HOW TO OPERATE MICROSERVICES

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CUSTOMER ORDERS HOW TO OPERATE MICROSERVICES

WHAT ABOUT SOA?

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SLIDE 58

CUSTOMER ORDERS HOW TO OPERATE MICROSERVICES

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SLIDE 59

CUSTOMER ORDERS HOW TO OPERATE MICROSERVICES

OR OSGI?

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SLIDE 60
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HOW TO OPERATE MICROSERVICES

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AUTOMATE! ¡

AUTOMATE! ¡

AUTOMATE!

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SLIDE 63

AUTOMATION

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SLIDE 64

AUTOMATION

Build Test

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AUTOMATION

Build Test Integration

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AUTOMATION

Build Test Integration Acceptance

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SLIDE 67

AUTOMATION

Build Test Integration Acceptance Production

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SLIDE 68

MICROSERVICES AUTOMATION

Build Test Integration Acceptance Production

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SLIDE 69

MICROSERVICES AUTOMATION

Build Test Integration Acceptance Production

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CONSUMER-DRIVEN CONTRACTS

Consumer Provider

Purchase Confirm. Email Purchase Service

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SLIDE 71

CONSUMER-DRIVEN CONTRACTS

Consumer Provider

Purchase Confirm. Email Purchase Service Purchase Service API Test Purchase Service Mock

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SLIDE 72

CONSUMER-DRIVEN CONTRACTS

Consumer Provider

Purchase Confirm. Email Purchase Service Purchase Service API Test Purchase Service Mock

Consumer contract tests

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SLIDE 73

MICROSERVICES’ PATH TO PRODUCTION

Build Test Acceptance Test Consumer Test Production

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SLIDE 74

MICROSERVICES’ PATH TO PRODUCTION

Build Test Acceptance Test Consumer Test Production

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SLIDE 75

MICROSERVICES’ PATH TO PRODUCTION

Build Test Acceptance Test Consumer Test Production

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SLIDE 76

MICROSERVICES’ PATH TO PRODUCTION

Build Test Acceptance Test Consumer Test Production

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MONITORING

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MONITORING STATUS

  • Up?
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MONITORING STATUS

  • Up?
  • Down?
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MONITORING STATUS

  • Up?
  • Down?

STATUS ¡

  • All up?
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SLIDE 81

MONITORING STATUS

  • Up?
  • Down?

STATUS ¡

  • All up?
  • All down?
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SLIDE 82

MONITORING STATUS

  • Up?
  • Down?

STATUS ¡

  • All up?
  • All down?
  • Mostly up?
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SLIDE 83

MONITORING STATUS

  • Up?
  • Down?

STATUS ¡

  • All up?
  • All down?
  • Mostly up?
  • Up apart from 1?
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SLIDE 84

MONITORING STATUS

  • Up?
  • Down?

STATUS ¡

  • All up?
  • All down?
  • Mostly up?
  • Up apart from 1?
  • All of the important bits are up? ¡
  • …
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SLIDE 85

AMAZON PRODUCT PAGE

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SLIDE 86

AMAZON PRODUCT PAGE

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AMAZON PRODUCT PAGE DOESN’T APPEAR… DO WE CARE?

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Simple & Dumb ¡ Infrastructure

SUMMARY

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RECOMMENDATIONS

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RECOMMENDATIONS

  • Build independently releasable microservices

– align microservice with business capability

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SLIDE 91

RECOMMENDATIONS

  • Build independently releasable microservices

– align microservice with business capability

  • Integrate microservices with

– dumb, open language agnostic – outside database

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SLIDE 92

RECOMMENDATIONS

  • Build independently releasable microservices

– align microservice with business capability

  • Integrate microservices with

– dumb, open language agnostic – outside database

  • Operate microservices architecture by

– decentralizing and automating all aspects of build, test and

deployment

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SLIDE 93

RECOMMENDATIONS

  • Build independently releasable microservices

– align microservice with business capability

  • Integrate microservices with

– dumb, open language agnostic – outside database

  • Operate microservices architecture by

– decentralizing and automating all aspects of build, test and

deployment

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CONCLUSION

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SLIDE 95
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THANK ¡YOU

Zhamak Dehghani zdehghan@thoughtworks.com @zhamakd

  • Sam Newman

snewman@thoughtworks.com @samnewman