rest vs. reactive - schedschd.ws/hosted_files/apiworld2017/15/makary mark logic keepers.pdf ·...
TRANSCRIPT
Rest Vs. Reactive
Interaction Patterns in Microservices Architecture
IT Consulting
Microservices
System is not very Responsive
API G
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Create Order
Inventory Services
Price Services
Payment Services
Shipping Services
Analytics Services
Synchronous and Rest based Architecture
Potential Performance Drawbacks
! I/O & DB blocking !Monoliths and performance management !Poor internal and external end-point
management
Reactive Architecture
!Architecture Style !Responsive !Resilient !Elastic !Message and Event Driven !Asynchronous & non-blocking
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Order Management
Service
Inventory Services
Price Services
Payment Services
Shipping Services
Non-blocking and Asynchronous Inter-Service Communication
Order Management
Service Message Broker
C
C
E
E
C Command E Event
Rest
Analytics Services
The Actor Model and the Akka ToolKit
Less-blocking Persistence, DDD, CQRS and Event Sourcing
E Event
ProducerProducer
Event Subscriber
Event Processor
Event Store Journal
E
E
E
E
QueryQuery State
Reinventing the Wheel
!DDD, CQRS and Event Sourcing !Kafka !Actor !Akka !Lagom
Potential Concerns
!Business Process Changes !More complex DevOps !Learning Curve
The rise of the Microservices frameworks
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