[189388] in North American Network Operators' Group
Re: SNMP "bridging"/proxy?
daemon@ATHENA.MIT.EDU (Jeff Gehlbach)
Mon May 23 18:30:03 2016
X-Original-To: nanog@nanog.org
To: nanog@nanog.org
From: Jeff Gehlbach <jeffg@opennms.org>
Date: Mon, 23 May 2016 18:29:52 -0400
In-Reply-To: <CAB69EHgZ476AK3hDvkCX_Bb8h=EB1KkyaC7T3kGifqLrBUOWpw@mail.gmail.com>
Errors-To: nanog-bounces@nanog.org
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On 05/23/2016 05:51 PM, Eric Kuhnke wrote:
> Exposing the data via SNMP on the host to be monitored distributes the =
CPU
> load individually onto each host
So much this. Most importantly, it removes the fork/exec overhead from
the monitoring server.
> This allows cacti or opennms or anything else to poll the hosts to be
> monitored via something that scales better than php script workers, usi=
ng
> the 'spine' SNMP data acquisition method and the equivalent in other sn=
mp
> polling platforms.
Point of fact for OpenNMS users: all our collectors are in-process, so
in cases where SNMP is impractical you can use the XML/JSON or JDBC or
WS-Management collector and still achieve great scale with a single serve=
r.
But SNMP still scales and interoperates like nothing else.
-jeff
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