Load Balancer
A component that spreads incoming requests across multiple servers or services.
Most home setups don't need one, but a reverse proxy can act as a simple load balancer if you ever run multiple instances of a service for reliability.
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Reverse Proxy
A server that sits in front of your services, routing requests by domain name and handling TLS certificates.
PoE(Power over Ethernet)
Alimentation électrique de périphériques comme points d'accès et caméras via câbles Ethernet.