1.         . Action daemon - automated action (work flow)

2.         .数据采集Collection daemon - collects data

3.         .能力检查Capability daemon - capability check on nodes

4.         .动态主机配置协议DHCP daemon - DHCP client for OpenNMS

5.         .发现Discovery daemon - initial and ongoing discovery互联网控制消息协议（Internet Control Message Protocol或简写ICMP）

6.         .事件Events manager daemon – manages/stores events

7.         .通知Notification daemon - external notification of users

8.         .运行情况Outage manager daemon - consolidates events

9.         .轮训Poller daemon - polls managed nodes/services

10.     .实时控制RTC manager daemon - real time availability information

11.     .陷阱SNMP trap daemon – handles SNMP traps

12.     .阈值Threshold daemon – monitor for threshold values

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本文转自holy2009 51CTO博客，原文链接:http://blog.51cto.com/holy2010/317711