ADVANCED // CUSTOM API
MODULE 06 // PERFORMANCE

Response Caching.

Design caching strategies that reduce load while maintaining freshness.

CACHING STRATEGY

Caching reduces ABIS load and improves response latency. But behavioral data is time-sensitive—stale cache can miss real-time threats. Design cache TTLs based on data volatility.

Multi-tier caching: CDN for public data, API gateway cache for authenticated responses, and application cache for computed results. Each tier serves different purposes.

Implement cache invalidation for critical updates. When ABIS detects high-risk behavior, invalidate cached positive assessments for that user immediately.

CDN CACHE

Cache static API responses at edge. Documentation, schemas, public endpoints.

TTL: 1 HOUR

GATEWAY CACHE

Cache authenticated responses per user. Short TTL for behavioral data.

TTL: 5 MIN

APPLICATION CACHE

Cache computed aggregations and baselines. Longer TTL for slowly-changing data.

TTL: 1 HOUR

NO CACHE

Never cache high-stakes decisions. Real-time analysis required.

TTL: 0
KNOWLEDGE CHECK // Q06
Why is cache invalidation critical for behavioral analysis APIs?