principles of microservices velocity
TRANSCRIPT
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PRINCIPLES OF MICROSERVICESSam Newman Velocity Santa Clara, May 2015
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@samnewman@velocityconf
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@samnewman@velocityconf
Sam Newman
Building MicroservicesDESIGNING FINE-GRAINED SYSTEMS
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@samnewman@velocityconf
Accounts
Returns
Invoicing
Shipping
Inventory
Customer Service
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@samnewman@velocityconf
Accounts
Returns
Invoicing
Shipping
Inventory
Customer Service
Small Autonomous services that work together
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@samnewman@velocityconf5
Show Gilt, Groupon, Netflix, Amazon
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@samnewman@velocityconf5
Show Gilt, Groupon, Netflix, Amazon
![Page 8: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/8.jpg)
@samnewman@velocityconf5
Show Gilt, Groupon, Netflix, Amazon
![Page 9: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/9.jpg)
@samnewman@velocityconf
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@samnewman@velocityconf
Strategic Goals Architectural
Principles Design and Delivery
Practices
Enable scalable business More customers/transactions Self-service for customers
Support entry into new markets Flexible operational processes New products and operational processes
Support innovation in existing markets Flexible operational processes New products and operational processes
Reduce inertia Make choices that favour rapid feedback and change, with reduced dependencies across teams.
Eliminate accidental complexity Aggressively retire and replace unnecessarily complex processes, systems, and integrations so that we can focus on the essential complexity.
Consistent interfaces and data flows Eliminate duplication of data and create clear systems of record, with consistent integration interfaces.
No silver bullets Off the shelf solutions deliver early value but create inertia and accidental complexity.
Standard REST/HTTP
Encapsulate legacy
Eliminate integration databases
Consolidate and cleanse data
Published integration model
Small independent Services
Continuous deployment
Minimal customisation of COTS/SAAS
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@samnewman@velocityconf
Small Autonomous services that work together
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@samnewman@velocityconf10
Principles Of Microservices
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@samnewman@velocityconf10
Principles Of Microservices
Modelled Around Business Domain
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@samnewman@velocityconf10
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation
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@samnewman@velocityconf10
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
![Page 17: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/17.jpg)
@samnewman@velocityconf10
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
![Page 18: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/18.jpg)
@samnewman@velocityconf10
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Deploy Independently
![Page 19: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/19.jpg)
@samnewman@velocityconf10
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Deploy Independently
Consumer First
![Page 20: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/20.jpg)
@samnewman@velocityconf10
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Isolate Failure Deploy Independently
Consumer First
![Page 21: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/21.jpg)
@samnewman@velocityconf10
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Isolate Failure Deploy Independently
Highly Observable
Consumer First
![Page 22: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/22.jpg)
@samnewman@velocityconf10
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Isolate Failure Deploy Independently
Highly Observable
Consumer First
![Page 23: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/23.jpg)
@samnewman@velocityconf
Presentation
Business Logic
Data Access
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@samnewman@velocityconf
Presentation
Business Logic
Data Access
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@samnewman@velocityconf
Presentation
Business Logic
Data Access
![Page 26: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/26.jpg)
@samnewman@velocityconf
Accounts
Returns
Invoicing
Shipping
Inventory
Customer Service
![Page 27: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/27.jpg)
@samnewman@velocityconf
Accounts
Returns
Invoicing
Shipping
Inventory
Customer Service
![Page 28: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/28.jpg)
@samnewman@velocityconf
Accounts
Returns
Invoicing
Shipping
Inventory
Customer Service
![Page 29: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/29.jpg)
@samnewman@velocityconf
Accounts
Returns
Invoicing
Shipping
Inventory
Customer Service
![Page 30: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/30.jpg)
@samnewman@velocityconf
Accounts
Returns
Invoicing
Shipping
Inventory
Customer Service
![Page 31: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/31.jpg)
13https://www.flickr.com/photos/glimeend/5692801655/
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Register a new customer
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Register a new customer
Oil Change
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Register a new customer
Emission Test
Oil Change
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14
Register a new customer
Emission Test
Replace Tire
Oil Change
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Register a new customer
Order parts
Emission Test
Replace Tire
Oil Change
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14
Register a new customer
Order parts
Emission Test
Replace Tire
Oil Change
Send an invoice
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14
Register a new customer
Order parts
Emission Test
Replace Tire
Oil Change
Send an invoiceMake a repair
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14
Register a new customer
Order parts
Emission Test
Replace Tire
Oil Change
Send an invoiceMake a repair
Contact a customer
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14
Register a new customer
Order parts
Emission TestReplace Tire
Oil Change
Send an invoice
Make a repairContact a customer
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Customer Management
Maintenance
Inventory
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@samnewman@velocityconf
![Page 44: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/44.jpg)
@samnewman@velocityconf17
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Isolate Failure Deploy Independently
Highly Observable
✔
Consumer First
![Page 45: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/45.jpg)
@samnewman@velocityconf17
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Isolate Failure Deploy Independently
Highly Observable
✔
Consumer First
![Page 46: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/46.jpg)
@samnewman@velocityconf
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@samnewman@velocityconf
3 Months
2 Microservices
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@samnewman@velocityconf
3 Months
2 Microservices
12 Months
10 Microservices
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@samnewman@velocityconf
3 Months
2 Microservices
12 Months
10 Microservices
18 Months
60 Microservices
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@samnewman@velocityconf
Infrastructure Automation
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@samnewman@velocityconf
Infrastructure Automation
Automated Testing
![Page 52: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/52.jpg)
@samnewman@velocityconf
Infrastructure Automation
Continuous Delivery
Automated Testing
![Page 53: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/53.jpg)
@samnewman@velocityconf20
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Isolate Failure Deploy Independently
Highly Observable
✔ ✔
Consumer First
![Page 54: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/54.jpg)
@samnewman@velocityconf20
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation
Hide Implementation Details
Decentralise All The Things
Isolate Failure Deploy Independently
Highly Observable
✔ ✔
Consumer First
![Page 55: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/55.jpg)
@samnewman@velocityconf
DB
![Page 56: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/56.jpg)
@samnewman@velocityconf
DB
![Page 57: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/57.jpg)
@samnewman@velocityconf
DB
![Page 58: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/58.jpg)
@samnewman@velocityconf
DB
![Page 59: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/59.jpg)
@samnewman@velocityconf
DB
HIDE YOUR DATABASE
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@samnewman@velocityconfhttp://martinfowler.com/bliki/images/boundedContext/sketch.png
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@samnewman@velocityconfhttp://martinfowler.com/bliki/images/boundedContext/sketch.png
BOUNDED CONTEXTS
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@samnewman@velocityconf
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@samnewman@velocityconf
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@samnewman@velocityconf
Client LibraryClient LibraryClient Library
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@samnewman@velocityconf
Client Library
Client Library
Client Library
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@samnewman@velocityconf
Client Library
Client Library
Client Library
![Page 67: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/67.jpg)
@samnewman@velocityconf
Client Library
BE CAREFUL OF CLIENT LIBRARIES
Client Library
Client Library
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@samnewman@velocityconf24
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Isolate Failure Deploy Independently
Highly Observable
✔ ✔ ✔
Consumer First
![Page 69: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/69.jpg)
@samnewman@velocityconf24
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Isolate Failure Deploy Independently
Highly Observable
✔ ✔ ✔
Consumer First
![Page 70: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/70.jpg)
@samnewman@velocityconf
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@samnewman@velocityconf
What is autonomy?
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@samnewman@velocityconf
What is autonomy?
Giving people as much freedom as possible to do the job at hand
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@samnewman@velocityconf
What is autonomy?
Giving people as much freedom as possible to do the job at hand
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@samnewman@velocityconf
DEVOLUTION?
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@samnewman@velocityconf
SELF-SERVICE
https://www.flickr.com/photos/katsrcool/15184711908/
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@samnewman@velocityconfhttp://tech.gilt.com/post/102628539834/making-architecture-work-in-microservice
SHARED GOVERNANCE
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@samnewman@velocityconf
OWNER-OPERATOR
https://www.flickr.com/photos/stevendepolo/5939055612
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@samnewman@velocityconf
INTERNAL OPEN SOURCE
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@samnewman@velocityconf
DUMB-PIPES, SMART ENDPOINTS
Magical Mystery Bus
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@samnewman@velocityconf
Magical Mystery Bus
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@samnewman@velocityconf
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@samnewman@velocityconf
Customer Enrolment
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@samnewman@velocityconf
Create Customer
Record
Customer Enrolment
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@samnewman@velocityconf
Create Customer
Record
Customer Enrolment
Create Loyalty Account
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@samnewman@velocityconf
Create Customer
Record
Customer Enrolment
Dispatch Welcome Pack
Create Loyalty Account
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@samnewman@velocityconf
Create Customer
Record
Customer Enrolment
Dispatch Welcome Pack
Create Loyalty Account
Send Welcome Email
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@samnewman@velocityconf
Create Customer
Record
Customer Enrolment
Dispatch Welcome Pack
Create Loyalty Account
Send Welcome Email
Completed
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@samnewman@velocityconf
ORCHESTRATION
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@samnewman@velocityconf
Customer Service
create
ORCHESTRATION
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@samnewman@velocityconf
Customer Service
create
Loyalty Bank
create
ORCHESTRATION
![Page 91: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/91.jpg)
@samnewman@velocityconf
Customer Service
create
Loyalty Bank
create
Emailsend email
ORCHESTRATION
![Page 92: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/92.jpg)
@samnewman@velocityconf
Customer Service
create
Loyalty Bank
create
Emailsend email
Whitemailsend package
ORCHESTRATION
![Page 93: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/93.jpg)
@samnewman@velocityconf
CHOREOGRAPHED
![Page 94: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/94.jpg)
@samnewman@velocityconf
CHOREOGRAPHED
Customer Servicecreate
![Page 95: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/95.jpg)
@samnewman@velocityconf
CHOREOGRAPHED
Customer Servicecreate
customer created
![Page 96: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/96.jpg)
@samnewman@velocityconf
CHOREOGRAPHED
Customer Servicecreate
customer created
Loyalty Bank
![Page 97: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/97.jpg)
@samnewman@velocityconf
CHOREOGRAPHED
Customer Servicecreate
customer created
Loyalty Bank
![Page 98: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/98.jpg)
@samnewman@velocityconf
CHOREOGRAPHED
Customer Servicecreate
customer created
Loyalty Bank
Whitemail
![Page 99: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/99.jpg)
@samnewman@velocityconf
CHOREOGRAPHED
Customer Servicecreate
customer created
Loyalty Bank
Whitemail
Reporting Dashboard
![Page 100: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/100.jpg)
@samnewman@velocityconf
![Page 101: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/101.jpg)
@samnewman@velocityconf
CHOREOGRAPHY OVER ORCHESTRATION
![Page 102: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/102.jpg)
@samnewman@velocityconf38
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Isolate Failure Deploy Independently
Highly Observable
✔ ✔ ✔
Decentralise All The Things ✔
Consumer First
![Page 103: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/103.jpg)
@samnewman@velocityconf38
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Isolate Failure Deploy Independently
Highly Observable
✔ ✔ ✔
Decentralise All The Things ✔
Consumer First
![Page 104: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/104.jpg)
@samnewman@velocityconf
ONE SERVICE PER-HOST
Host
Service
![Page 105: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/105.jpg)
@samnewman@velocityconf
ONE SERVICE PER-HOST
Host
Service
Host
Service Service
Service Service
VS
![Page 106: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/106.jpg)
@samnewman@velocityconf
CONSUMER-DRIVEN CONTRACTS
Shipping Inventory
![Page 107: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/107.jpg)
@samnewman@velocityconf
CONSUMER-DRIVEN CONTRACTS
Expectations
Shipping Inventory
![Page 108: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/108.jpg)
@samnewman@velocityconf
CONSUMER-DRIVEN CONTRACTS
Expectations
Shipping Inventory
![Page 109: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/109.jpg)
@samnewman@velocityconf
CONSUMER-DRIVEN CONTRACTS
Expectations
Prod
Shipping Inventory
![Page 110: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/110.jpg)
@samnewman@velocityconf
CONSUMER-DRIVEN CONTRACTS
Expectations
Prod
Shipping Inventory
![Page 111: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/111.jpg)
@samnewman@velocityconf
https://github.com/realestate-com-au/pact
![Page 112: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/112.jpg)
@samnewman@velocityconf
CO-EXIST ENDPOINTS
Customer Service
Shipping
![Page 113: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/113.jpg)
@samnewman@velocityconf
CO-EXIST ENDPOINTS
Customer Service
Shipping
V2V1
![Page 114: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/114.jpg)
@samnewman@velocityconf
CO-EXIST ENDPOINTS
Customer Service
Shipping
V2V1
![Page 115: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/115.jpg)
@samnewman@velocityconf
CO-EXIST ENDPOINTS
Customer Service
Shipping
V2
![Page 116: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/116.jpg)
@samnewman@velocityconf43
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Isolate Failure
Highly Observable
✔ ✔ ✔
Decentralise All The Things ✔
Deploy Independently✔Consumer First
![Page 117: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/117.jpg)
@samnewman@velocityconf43
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Isolate Failure
Highly Observable
✔ ✔ ✔
Decentralise All The Things ✔
Deploy Independently✔Consumer First
![Page 118: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/118.jpg)
@samnewman@velocityconf
DOCUMENTATION
![Page 119: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/119.jpg)
@samnewman@velocityconf
![Page 120: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/120.jpg)
@samnewman@velocityconf
API GATEWAYS
![Page 121: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/121.jpg)
@samnewman@velocityconf
SERVICE DISCOVERY
![Page 122: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/122.jpg)
@samnewman@velocityconf
SERVICE DISCOVERY
![Page 123: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/123.jpg)
@samnewman@velocityconf
SERVICE DISCOVERY
![Page 124: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/124.jpg)
@samnewman@velocityconf
HUMANE REGISTRIES
![Page 125: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/125.jpg)
@samnewman@velocityconf49
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Isolate Failure
Highly Observable
✔ ✔ ✔
Decentralise All The Things ✔
Deploy Independently✔Consumer First✔
![Page 126: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/126.jpg)
@samnewman@velocityconf49
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Isolate Failure
Highly Observable
✔ ✔ ✔
Decentralise All The Things ✔
Deploy Independently✔Consumer First✔
![Page 127: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/127.jpg)
@samnewman@velocityconf
![Page 128: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/128.jpg)
@samnewman@velocityconf
![Page 129: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/129.jpg)
@samnewman@velocityconf
![Page 130: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/130.jpg)
@samnewman@velocityconf
![Page 131: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/131.jpg)
@samnewman@velocityconf
![Page 132: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/132.jpg)
@samnewman@velocityconf
AVOID THE DISTRIBUTED SINGLE POINT OF FAILURE!
![Page 133: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/133.jpg)
@samnewman@velocityconf
Strangler App
![Page 134: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/134.jpg)
@samnewman@velocityconf
Strangler App
Legacy App
Legacy AppLegacy App
![Page 135: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/135.jpg)
@samnewman@velocityconf
Strangler App
Legacy App
Legacy App
Requests
Legacy App
![Page 136: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/136.jpg)
@samnewman@velocityconf
Strangler App
Legacy App
Legacy App
Requests
Legacy App
![Page 137: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/137.jpg)
@samnewman@velocityconf
Strangler App
Legacy App
Legacy App
Requests
Legacy App
![Page 138: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/138.jpg)
@samnewman@velocityconf
Strangler App
Legacy App
Legacy App
Requests
Legacy App
30 - 60 Concurrent Requests
![Page 139: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/139.jpg)
@samnewman@velocityconf
Strangler App
Legacy App
Legacy App
Requests
Legacy App
30 - 60 Concurrent Requests
> 800 Concurrent Requests
![Page 140: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/140.jpg)
@samnewman@velocityconf
Strangler App
Legacy App
Legacy App
Requests
Legacy App
30 - 60 Concurrent Requests
> 800 Concurrent Requests
![Page 141: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/141.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Thread Pool
![Page 142: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/142.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Thread Pool
Failing…slowly!
![Page 143: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/143.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Thread Pool
Failing…slowly!
![Page 144: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/144.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Thread Pool
Failing…slowly!
Thread-pool exhausted
![Page 145: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/145.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Thread Pool
Failing…slowly!
Thread-pool exhausted
No requests to other downstream apps
![Page 146: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/146.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Thread Pool
Failing…slowly!
Thread-pool exhausted
No requests to other downstream apps
![Page 147: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/147.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Thread Pool
Failing…slowly!
Thread-pool exhausted
Requests Building Up
No requests to other downstream apps
![Page 148: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/148.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Thread Pool
![Page 149: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/149.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Fix Timeouts
Thread Pool
![Page 150: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/150.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Fix Timeouts
Thread Pool
![Page 151: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/151.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Fix Timeouts
Thread Pool Thread PoolThread Pool
![Page 152: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/152.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Fix Timeouts
Thread Pool Thread PoolThread PoolBulkhead
Downstream Connections
![Page 153: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/153.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Fix Timeouts
Thread Pool Thread PoolThread PoolBulkhead
Downstream Connections
![Page 154: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/154.jpg)
@samnewman@velocityconf
Strangler App
Legacy App Legacy App Legacy App
Fix Timeouts
Thread Pool Thread PoolThread PoolBulkhead
Downstream Connections
Circuit Breakers
![Page 155: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/155.jpg)
@samnewman@velocityconf55
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Highly Observable
✔ ✔ ✔
Decentralise All The Things ✔
Deploy Independently✔Isolate Failure✔ Consumer First✔
![Page 156: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/156.jpg)
@samnewman@velocityconf55
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Highly Observable
✔ ✔ ✔
Decentralise All The Things ✔
Deploy Independently✔Isolate Failure✔ Consumer First✔
![Page 157: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/157.jpg)
@samnewman@velocityconf
![Page 158: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/158.jpg)
@samnewman@velocityconf
STATS PAGES
![Page 159: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/159.jpg)
@samnewman@velocityconf
STATS PAGES
![Page 160: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/160.jpg)
@samnewman@velocityconf
AGGREGATION
![Page 161: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/161.jpg)
@samnewman@velocityconf
LOGS
AGGREGATION
![Page 162: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/162.jpg)
@samnewman@velocityconf
LOGSSTATS
AGGREGATION
![Page 163: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/163.jpg)
@samnewman@velocityconf
CORRELATION IDS
![Page 164: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/164.jpg)
@samnewman@velocityconf
CORRELATION IDS
ID 8964
![Page 165: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/165.jpg)
@samnewman@velocityconf
CORRELATION IDS
ID 8964
ID 8964
ID 8964
ID 8964
ID 8964
![Page 166: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/166.jpg)
@samnewman@velocityconf
![Page 167: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/167.jpg)
@samnewman@velocityconf
![Page 168: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/168.jpg)
@samnewman@velocityconf
![Page 169: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/169.jpg)
@samnewman@velocityconf
SEMANTIC MONITORING
![Page 170: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/170.jpg)
@samnewman@velocityconf
![Page 171: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/171.jpg)
@samnewman@velocityconf
Principles Of Microservices
![Page 172: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/172.jpg)
@samnewman@velocityconf
Principles Of Microservices
Modelled Around Business Domain
![Page 173: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/173.jpg)
@samnewman@velocityconf
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation
![Page 174: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/174.jpg)
@samnewman@velocityconf
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
![Page 175: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/175.jpg)
@samnewman@velocityconf
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
![Page 176: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/176.jpg)
@samnewman@velocityconf
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Deploy Independently
![Page 177: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/177.jpg)
@samnewman@velocityconf
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Deploy Independently
Consumer First
![Page 178: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/178.jpg)
@samnewman@velocityconf
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Isolate Failure Deploy Independently
Consumer First
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@samnewman@velocityconf
Principles Of Microservices
Modelled Around Business Domain
Culture Of Automation Hide Implementation
Details
Decentralise All The Things
Isolate Failure Deploy Independently
Highly Observable
Consumer First
![Page 180: Principles of microservices velocity](https://reader030.vdocuments.us/reader030/viewer/2022032618/55b6e31fbb61eb7e268b4888/html5/thumbnails/180.jpg)
@samnewman@velocityconf
Sam Newman
Building MicroservicesDESIGNING FINE-GRAINED SYSTEMS
http://buildingmicroservices.com/
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@samnewman@velocityconf
Office Hours
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@samnewman@velocityconf
Office Hours
(well, 30mins)
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@samnewman@velocityconf
Office Hours
12.30pm on Thursday
(well, 30mins)
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Sam Newman @samnewman
THANKS!