OpenNMS

I did a search on the list archive and it didn't turn up much.  

Anybody out there can give me a 50 words or less why OpenNMS over Nagios?  I
know that OpenNMS excels in the collection of SNMP data and graphing. 

But how powerful are OpenNMS's ability to monitor a Windows 2000 "service"
or monitor the NT/2k eventlog and notify when critical messages are logged
to eventlog.

if this is in a faq or document, please send the URL my way


thanks


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