The deployment model

Deployment characteristics

Parameter	Value
Metrics footprint	Integrated (~2 MB memory overhead)
External dependencies	The self-contained fast-epdg package (rpm)
Management	fast-epdg.service systemd
Configuration	The monitoring section in fast-epdg.conf
Update	Updating the configuration without interrupting operations
OS	Linux (RHEL/CentOS 8+, Ubuntu 22.04+)
Port	9817 TCP (listening on 0.0.0.0, configurable)
Deployment time	< 5 minutes (enable the plugin in the config file + restart)

Accommodation options

On-premise — the plugin runs in the fast-epdg address space, zero resource consumption

Co-located Prometheus — Prometheus collects metrics from an application running on the same host

Centralized — a single Prometheus collects from all ePDG nodes