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A CDN speeds up web applications by caching content closer to users.

The USE Method helps find and analyze infrastructure bottlenecks in software systems.

Distributed caching spreads data across multiple servers for better performance and reliability.

Availability is about access; reliability is about correct performance.

Queues distribute tasks to one consumer, while Pub/Sub broadcasts events to multiple subscribers.

Distributed backpressure helps manage the flow of work between services to prevent overload.

Caching helps applications respond faster by serving data from memory instead of hitting the database.

Cache breakdowns can overwhelm databases, but request coalescing solves this issue.

Message queues allow services to communicate asynchronously, improving scalability and reliability.

Microservices and modular monoliths differ mainly in deployment and communication methods.

Microservices can communicate using five key patterns based on their needs.

Choosing the right boundaries for microservices is crucial for effective architecture.