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Designing scalable infrastructure requires implementing horizontal and vertical scaling strategies alongside load balancing. This approach ensures high availability and efficient performance during peak traffic by allowing the system to handle increased loads and automatically recover from component failures.

Observability for self-healing systems is achieved by setting up comprehensive logging, metrics, and tracing. This monitoring framework allows you to track infrastructure performance, analyze system behavior, and trigger automated recovery mechanisms when anomalies are detected.

SLO frameworks work by defining specific reliability targets for your services, allowing you to balance feature velocity with system stability. Implementing these frameworks involves setting error budgets and using performance analysis to ensure your infrastructure meets availability requirements.

Yes, capacity planning and disaster recovery strategies are essential for designing highly available e-commerce backends. This approach allows your infrastructure to handle peak holiday traffic and automatically recover from component failures, ensuring continuous service availability.

Defense in depth principles are needed when designing fault-tolerant infrastructure that requires multiple layers of security and automated recovery. You should apply these principles when building self-healing systems that must maintain reliability and high availability against component failures.

Horizontal and vertical scaling limitations involve architectural constraints and resource caps that can impact system reliability. While scaling strategies handle increased loads, they must be paired with proper disaster recovery and observability mechanisms to prevent cascading failures and ensure true fault tolerance.