Port 80 All The Things
Or At Least Most
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Who am I?
Mike Elsmore
Developer Advocate
mike.elsmore@uk.ibm.com
Microservice Architecture
Story Time
Worst history lesson…ever
Monolith
About the time of SOAP
Allocation Monolith
One code to rule them all
Service Orient Architecture
SOA ≅ Microservice
SOA does have a lot of similarities to Microservices, which is why I think Microservices are an extension or progression to rather than a whole new conceptWhat is SOA?
Services are unassociated, loosely coupled units of functionality that are self-containedSOA Concepts
Consumer Interface Layer
Business Process Layer
Services
Service Components
Operational Systems
Consumer Interface Layer – These are GUI for end users or apps accessing apps/service interfaces.
Business Process Layer – These are choreographed services representing business use-cases in terms of applications.
Services – Services are consolidated together for whole-enterprise in-service inventory.
Service Components – The components used to build the services, such as functional and technical libraries, technological interfaces etc.
Operational Systems – This layer contains the data models, enterprise data repository, technological platforms etc.Microservices
These services are small, highly decoupled and focus on doing a small taskAnd the difference?
Distinct from SOA in that the latter aims at integrating various business applications whereas several microservices belong to one application onlyThe advantage
Each microservice is independant of each other, just exposing APIs. This means you can select the languages and technology by need for the service, rather than the entire applications. Also means when you find something better you can just swap it out, as long as you still expose the same API.Opinion Time
Definitely not facts…don't quote me
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