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Design Patterns

Domain-Driven Design

Software Architecture and Design

API Architecture

API Architecture
SSE (Server-Sent Events)

SSE (Server-Sent Events)

Tags:

sse
server-sent-events
real-time
event-streaming
http
system-design
web-dev

Last updated on Jun 23, 2025

Design Patterns

Creational Patterns

Singleton
Factory Method
Abstract Factory
Builder Pattern
Prototype Pattern

Structural Patterns

Adapter Pattern
Bridge Pattern
Composite Pattern
Decorator Pattern
Facade Pattern
Flyweight Pattern
Proxy Pattern

Behavioral Patterns

Chain of Responsibility
Command Pattern
Interpreter Pattern
Iterator Pattern
Mediator Pattern
Memento Pattern
Observer Pattern
State Pattern
Strategy Pattern
Template Method
Visitor Pattern

Domain-Driven Design

Introduction
Key Concepts of DDD
Principles of DDD
Tactical DDD
Strategic DDD
DDD in Microservices
Practical Application
Ubiquitous Language
Domain Modeling
CQRS
Event Sourcing
Integration Patterns

Software Architecture

Architecture Fundamentals

Importance of Architecture
Role of Software Architect
Architectural Drivers
SDLC and Architecture

Architectural Patterns

Layered Architecture
Client-Server
Microservices
Event-Driven
SOA
Monolithic vs Distributed
Hexagonal Architecture

High Level Design

What is HLD
Importance of HLD
Key Considerations
Load Balancers
Database Sharding
Caching Strategies
CAP Theorem
PACELC Theorem
BASE Model
KISS Principle
Consistency Patterns
Leader Election
Message Queues
Data Partitioning
Polling & WebSockets

Low Level Design & OOP

Low Level Design

HLD vs LLD
OOP Pillars
Object-Oriented Design
Layered Code Structure
Design Reviews

OOP Principles

SOLID Principles
Coupling & Cohesion
Encapsulation & Abstraction
Design by Contract

API Architecture & Documentation

API Architecture

AMQP
EDA (Event-Driven Architecture)
EDI (Electronic Data Interchange)
GraphQL
MQTT
REST
SOAP
SSE (Server-Sent Events)
WebSockets
Webhooks
gRPC
REST Status Codes

Documentation

Class Diagrams
Sequence Diagrams
Component Diagrams

Software System Design

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