sfscon17 - davide taibi: "from monolith to microservices"

FromMonolithtoMicroservices:MigrationPatternsandBenefits

DavideTaibi

SFScon 2017

MicroservicesAntipatterns- SFScon

MicroservicesAntipatterns- SFScon

Microserviceisliketeenagesexeveryonetalksaboutit,

nobodyreallyknowshowtodoit,

everyonethinkseveryoneelseisdoingit,

soeveryoneclaimstheyaredoingit…

MicroservicesAntipatterns- SFScon

Background

[2]PWAResearch

MicroservicesAntipatterns- SFScon

Background

[2]PWAResearch

Monolith

MicroservicesAntipatterns- SFScon

[3] Matt Stine. Developing for the Cloud Track

Microservices

MicroservicesAntipatterns- SFScon

[3] Matt Stine. Developing for the Cloud Track

Whatisamicroservice?

MicroservicesAntipatterns- SFScon

Fine-grainedunitsofexecution designedtodoonethingverywell[1]

Basedonthesingleresponsibilityprinciple“Gathertogetherthosethingsthatchangeforthesamereason,andseparatethosethingsthatchangefordifferentreasons.”

[1]Janakiram MSV.“Microservices:Howtopreparenext-generationcloudapplications“ComputerWeekly– 3March2015

MainBenefits

MicroservicesAntipatterns- SFScon

• Maintainability• Independentandself-deployableservices• Independentservicetesting• Simplifieddistributeddevelopment.• Smallsizeofeachmicroserviceè increasingcode

understandability

• Scalability• Scalingmonolithicsystemsrequireshugeinvestment• microservicesarenotautomaticallyscalable

MigrationProcess(1/2)

MicroservicesAntipatterns- SFScon

MigrationProcess(2/2)

MicroservicesAntipatterns- SFScon

Conclusion

• Microservicescanimprovethequalityofyoursoftware

• Are notthesilverbullet

• Needhighlyexperiencedsoftwarearchitects

MicroservicesAntipatterns- SFScon

Thankyouforyourattention!

davide@taibi.it

MicroservicesAntipatterns- SFScon