Hierarchical modular monitoring system:
- Web-based interface
- Pluggable user-defined modules
- Built-in modules for most common types of checks: ICMP (ping), TCP, SNMP
- Service hierarchy excludes checks of a service if a lower-level one is unavailable
- Smart workers distribution to ensude minimum possible system load
- Checks each 5 minutes
- Variety of reporting methods: web page, email, SMS etc.