Proxy služi kao posrednik za zahtjeve. Forward proxy se nalazi ispred klijenata (predstavljajući ih serverima), dok se reverse proxy nalazi ispred servera (predstavljajući ih klijentima) — obrađujući balansiranje opterećenja, cachiranje, sigurnost i još mnogo toga. Reverse proxy serveri su ključne komponente dizajna sustava.
Forward proxy vs reverse proxy
FORWARD PROXY → sits in front of CLIENTS, forwarding their requests to servers:
Client → FORWARD PROXY → Internet/Server
→ represents the CLIENT (hides client identity); for filtering, caching, anonymity,
access control (e.g. corporate proxies)
REVERSE PROXY → sits in front of SERVERS, receiving requests on their behalf:
Client → REVERSE PROXY → Backend servers
→ represents the SERVERS (clients don't see the backend); the common system-design component
