0
0
Microservicessystem_design~12 mins

Bounded context concept in Microservices - Architecture Diagram

Choose your learning style9 modes available
LearnWhyDeepArchPracticeChallengeDesignRecallScale
System Overview - Bounded context concept

This system demonstrates the bounded context concept in microservices architecture. It divides a large application into smaller, independent services, each responsible for a specific business domain. This separation helps teams work independently and reduces complexity.

Architecture Diagram
User
  |
  v
+----------------+
| API Gateway    |
+----------------+
   |          |
   v          v
+---------+  +---------+
| Order   |  | Payment |
| Service |  | Service |
+---------+  +---------+
   |            |
   v            v
+---------+  +---------+
| Order   |  | Payment |
| DB      |  | DB      |
+---------+  +---------+
Components
User
actor
End user who interacts with the system
API Gateway
api_gateway
Routes user requests to appropriate microservices
Order Service
service
Handles all order-related business logic within its bounded context
Payment Service
service
Manages payment processing within its bounded context
Order DB
database
Stores order data specific to the Order Service
Payment DB
database
Stores payment data specific to the Payment Service
Request Flow - 7 Hops
User → API Gateway
API Gateway → Order Service
Order Service → Order DB
Order Service → Payment Service
Payment Service → Payment DB
Payment Service → API Gateway
API Gateway → User
Failure Scenario
Component Fails:Payment Service
Impact:Payment processing fails, order creation may be incomplete or delayed
Mitigation:Order Service can queue payment requests for retry; use circuit breaker to prevent cascading failures
Architecture Quiz - 3 Questions
Test your understanding
Which component is responsible for routing user requests to the correct microservice?
APayment Service
BAPI Gateway
COrder Service
DOrder DB
Design Principle
This architecture shows how bounded contexts separate business domains into independent microservices with their own data stores, enabling clear boundaries, independent development, and fault isolation.