Introduction to High-Level System Design
High-level system design defines the major components, their interactions, and the supporting technologies. It acts as a blueprint for building complex systems that are scalable and maintainable.
Designing large-scale systems starts with defining core modules like clients, servers, databases, and APIs. Each serves a specific role, and the goal is effective communication while avoiding tight coupling, ensuring business requirements are met.
A key part of high-level design is mapping data flow, from client requests to business logic to data storage and retrieval. Clear interfaces and responsibilities prevent confusion in implementation.
Scalability requires designing systems to handle increased traffic without slowing down. This involves balancing horizontal vs. vertical scaling, using caching, and building stateless services.
Reliability comes from fault-tolerant design with redundancy, failover, and monitoring. For example, a load balancer distributes traffic across servers and keeps the system available even if one fails.
High-level system design helps you make architectural decisions that impact performance, reliability, and scalability. These choices shape how a system evolves and adapts to changing business needs.
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High-level system design defines the major components, their interactions, and the supporting technologies. It acts as a blueprint for building complex systems that are scalable and maintainable.
Designing large-scale systems starts with defining core modules like clients, servers, databases, and APIs. Each serves a specific role, and the goal is effective communication while avoiding tight coupling, ensuring business requirements are met.
A key part of high-level design is mapping data flow, from client requests to business logic to data storage and retrieval. Clear interfaces and responsibilities prevent confusion in implementation.
Scalability requires designing systems to handle increased traffic without slowing down. This involves balancing horizontal vs. vertical scaling, using caching, and building stateless services.
Reliability comes from fault-tolerant design with redundancy, failover, and monitoring. For example, a load balancer distributes traffic across servers and keeps the system available even if one fails.
High-level system design helps you make architectural decisions that impact performance, reliability, and scalability. These choices shape how a system evolves and adapts to changing business needs.
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