Service discovery ndadekaken layanan bisa nemokake lokasi jaringan siji liyane kanthi dinamis, tinimbang hardcoding IP sing berubah nalika instance skala munggah, mudhun, utawa restart.
Kenapa perlu
Ing cloud, instance teka lan ilang kanthi autoscaling lan gagal, mula alamat ora stabil. Service registry nglacak instance sing sehat.
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1. Service registers itself ──▶ [ Registry: orders → 10.0.1.7, 10.0.1.9 ]
2. Caller asks registry "where is orders?"
3. Registry returns healthy instances
4. Caller picks one (load-balanced)