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في هذا الدرس

explain why quality attributes, not features, pick the architecture.

الموضوعات المخطط لها

• Two systems with the same features can have very different structures because of their quality targets.
• Each attribute pushes the design a direction: availability toward redundancy, latency toward fewer hops.
• Attributes compete for the same budget, time, and complexity.
• Name the few that matter most; you cannot maximize all.