Route 53 ni huduma ya DNS ya AWS (inatafsiri jina la kikoa kuwa anwani, na ina sera za uelekezaji wa trafiki); CloudFront ni CDN ya AWS (Content Delivery Network, inahifadhi maudhui katika maeneo ya makali ulimwenguni kwa ajili ya utoaji haraka). Zote mbili zinapaboresea utendaji na upatikano kwa programu za wavuti.
Route 53 — DNS na uelekezaji wa trafiki
Route 53 is a managed DNS service (+ domain registration):
→ translates domain names (example.com) → IP addresses / AWS resources
→ ROUTING POLICIES (intelligent traffic direction):
- SIMPLE → one destination
- WEIGHTED → split traffic by percentage (e.g. A/B testing, gradual rollout)
- LATENCY → route users to the lowest-latency region (performance)
- GEOLOCATION → route by user location
- FAILOVER → route to a backup if the primary fails (HIGH AVAILABILITY)
→ HEALTH CHECKS → route away from unhealthy endpoints
