System Design Tutorial

System Design is the process of designing the architecture, components, and interfaces for a system so that it meets the end-user requirements. This specifically designed System Design tutorial will help you to learn and master System Design concepts in the most efficient way, from the basics to the advanced level.

Why Learn System Design?

System design is important for anyone who wants to build a robust, scalable, and efficient software application. Whether you are building a small-scale application or a large one, understanding system design allows you to architect solutions that can handle real-world complexities.

• Scalability and Reliability: System design ensures systems can grow and handle increased demand without failure.
• Efficient Resource Management: It helps in optimizing resource allocation, ensuring fast and responsive applications.
• Adaptability: System design enables the creation of systems that can evolve with changing business needs, reducing long-term costs.
• Architectural Understanding: Learning different system architectures (e.g., microservices, monolithic) helps in building applications suited to various needs.
• Interview Preparation: Mastering system design is key to excelling in system design interviews, commonly asked in tech company hiring processes.

Basics

• System Design Introduction - HLD & LLD
• Functional and Non Functional Requirements

High Level Design

• What is High Level Design?

System Architectural Styles

• Monolithic Architecture
• Microservices
• Monolithic vs Microservices Architecture
• Event-Driven Architecture
• Serverless Architecture
• Stateful vs. Stateless Architecture
• Pub/Sub Architecture

Scalability

• Horizontal and Vertical Scaling
• Which Scalability approach is right for our Application?
• Primary Bottlenecks that Hurt the Scalability of an Application

Databases in Designing Systems

• Choosing a Database - SQL or NoSQL
• File and Database Storage Systems
• Database Replication in System Design
• Database Sharding
• Block, Object, and File Storage
• Normalization Process in DBMS
• SQL Query Optimization
• Denormalization in Databases
• Intro to Redis

Consistency, Availability, Reliability & Maintainability

• Availability in System Design
• How to achieve High Availability?
• Consistency in System Design
• Consistency pattern
• CAP Theorem
• Reliability in System Design
• Fault Tolerance in System Design
• Maintainability

Load Balancing

• Concurrency and Parallelism
• Load Balancer
• Load Balancing Algorithms
• Consistent Hashing

Latency, Throughput and Caching

• Latency and Throughput
• Caching in System Design

API Gateway, Message Queues & Rate Limiting

• What is API Gateway
• Message Queues
• Rate Limiting
• Rate Limiting Algorithm

Protocols, CDN, Proxies & WebSockets

• Communication Protocols
• Domain Name System
• DNS Caching
• Time to Live(TTL)
• Content Delivery Network(CDN)
• Proxies in System Design
• Forward Proxy vs Reverse Proxy
• Websockets

Testing

• Unit Testing
• Integration Testing
• CI/CD Pipeline

Security Measures

• Security Measures in System Design
• Authentication and Authorization
• Secure Socket Layer (SSL) and Transport Layer Security (TLS)
• Secure Software Developement Life Cycle (SSDLC)
• Data Backup and Disaster Recovery

Distributed System Design

• Consensus Algorithms in Distributed System
• Distributed Tracing
• Secure Communication in Distributed System

Cost & Performance Optimizations

• Software Cost Estimation
• Performance Optimization Techniques

Low Level Design(LLD)

Core Concepts

• Object-Oriented Programing(OOP) Concepts
• Modularity and Interfaces
• What is Low Level Design or LLD

Design Principles

• SOLID Principles
• DRY Principle
• KISS Principle
• YAGNI Principle

UML

• Unified Modeling Language (UML)

Design Patterns

• Design Patterns
• Singleton Pattern
• Factory Method
• Abstract Factory
• Builder Pattern
• Prototype Pattern
• Adapter Pattern
• Decorator Pattern
• Composite Pattern
• Proxy Pattern
• Facade Pattern
• Observer Pattern
• Strategy Pattern
• Command Pattern
• State Pattern
• Template Method Pattern

Interview Questions & Answers of System Design

• URL Shortening Service
• Design Dropbox
• Design Twitter
• System Design Netflix – Complete Architecture
• System Design of Uber App – Uber System Architecture
• Design BookMyShow
• Designing Facebook Messenger
• Designing Whatsapp Messenger
• Designing Instagram
• Designing Airbnb
• System Designing of Airline Management System
• Common Design Interview Questions

Tips for System Design interview

• How to Crack System Design Round in Interviews?
• 5 Tips to Crack Low-Level System Design Interviews
• 5 Common System Design Concepts for Interview Preparation
• 6 Steps To Approach Object-Oriented Design Questions in Interview

System Design Life Cycle

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System Design Life Cycle

Introduction of SOLID Design

Introduction to the Design Patterns

Creational Design Patterns

System Design Tutorial | A complete Overview