used for the management and monitoring of network-connected devices in networks
- Devices and resources: on which an agent runs.
- Agent: software being run on the Hardware or service being monitored by SNMP, collecting metrics like CPU Usage, Bandwidth Usage or Disk Space. As queried by the SNMP manager, the agent finds and sends this information back to SNMP management systems.
- Manager: centralized management station, actively requests agents send SNMP updates at regular intervals.
- MIB: a text based Data Structure,