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 basics to advanced level.

Need to learn System Design

• Real-World Applications: In the real world, software is more than just a single program. It’s a collection of interconnected systems. Understanding system design helps you create software that can handle millions of users, process large amounts of data, and still work smoothly.
• Scalability: As businesses grow, their systems need to handle more users and data. System design teaches you how to build systems that scale up without breaking down.
• Problem-Solving Skills: It sharpens your ability to break down complex problems into smaller, manageable parts and design solutions that are both efficient and elegant.
• Handling Failures: No system is perfect, and failures happen. System design equips you with techniques to ensure your system can recover quickly and continue functioning, even if parts fail.
• Industry Expectations: In technical interviews, especially for senior roles, system design questions are common. Learning it helps you perform well in these interviews and shows that you can think at a high level.

System Design Tutorial

Basics of System Design

• What is System Design?
• Functional vs Non Functional Requirements
• What are the components of System Design?
• System Design Life Cycle | SDLC (Design)
• Structured Analysis and Structured Design (SA/SD)
• System Design Strategy
• Database Sharding – System Design Interview Concept
• System Design – Horizontal and Vertical Scaling
• Load Balancer in System Design
• Routing requests through Load Balancer
• Latency and Throughput in System Design
• Object-Oriented Analysis and Design
• Difference between Structured and Object-Oriented Analysis

Scalability in System Design

• What is Scalability and How to achieve it – Learn System Design
• Which Scalability approach is right for our Application? | System Design
• Primary Bottlenecks that Hurt the Scalability of an Application | System Design

Databases in Designing Systems

• Which Database to Choose while designing a system – SQL or NoSQL
• File and Database Storage Systems in System Design
• Database Replication in System Design
• Block, Object, and File Storage
• Normalization Process in DBMS
• Denormalization in Databases

High Level Design(HLD)

• What is High Level Design – Learn System Design
• Availability in System Design
• Consistency in System Design
• Reliability in System Design
• CAP Theorem
• Difference between Process and Thread
• Difference between Concurrency and Parallelism
• Load Balancer
• Consistent Hashing
• Content Delivery Network(CDN) in System Design
• Caching in System Design
• Cache Eviction Policies
• Message Queues
• Communication Protocols In System Design
• Network Protocols and Proxies in System Design
• Unified Modeling Language (UML)

Low Level Design(LLD)

• What is Low Level Design or LLD
• Data Structures and Algorithms for System Design
• Event-Driven Architecture
• Difference between Authentication and Authorization
• What is API Gateway
• What is Data Encryption?
• Design Patterns
• Code Optimization Techniques
• Unit Testing
• Integration Testing
• CI/CD: Continuous Integration and Continuous Delivery
• Introduction to Modularity and Interfaces In System Design
• Data Partitioning Techniques in System Design
• Class Diagrams | UML

Testing and Quality Assurance in System Design

• Types of Software Testing
• Software Quality Assurance
• Security Testing
• Essential Security Measures in System Design

Interview Questions & Answers of System Design

• Top 10 System Design Interview Questions and Answers
• Most Commonly Asked System Design Interview Problems/Questions
• System Design – URL Shortening Service
• Design Dropbox – A System Design Interview Question
• Design Twitter – A System Design Interview Question
• System Design Netflix – A Complete Architecture
• System Design of Uber App – Uber System Architecture
• Design BookMyShow – A System Design Interview Question
• Designing Facebook Messenger | System Design Interview
• Designing Whatsapp Messenger | System Design
• Designing Instagram | System Design

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

Advantages of System Design

Below are the advantages of System Design:

• In Good system design, it is easy to see how all parts of the system connects, interact and function together.
• It helps teams plan resources, time, and costs more effectively and reduces any surprises during development.
• An efficient system is easy to maintain and update, which saves time and effort in the long run.
• It allows the system to grow smoothly. You can add new features or handle more users without major changes.
• Good design can enhance the system’s performance, making it faster and more efficient.

Disadvantages of System Design

Below are the disadvantages of System Design:

• The process of system design can be time-consuming, especially for large and complex systems.
• System design can be expensive, especially if it involves significant research, prototyping, and testing.
• System design requires a significant amount of technical expertise, including knowledge of hardware, software, databases, and data structures.
• Once a system design is complete, it can be difficult to make changes to the design, especially if the design has already been implemented and deployed.

Reference books

Below are some good reference book to learn system design:

• “Design Patterns: Elements of Reusable Object-Oriented Software” by Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides
• “The Design of Everyday Things” by Don Norman
• “Systems Analysis and Design” by Alan Dennis and Barbara Haley Wixom
• “Clean Architecture: A Craftsman’s Guide to Software Structure and Design” by Robert C. Martin
• “Software Architecture in Practice” by Len Bass, Paul Clements, and Rick Kazman

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