Agentless monitoring

Agentless monitoring is defined as monitoring an object without installing any additional software on it. A system that is managed in an agentless fashion with HPOM is called a monitored node. With an agentless solution, the proxy node receives data which is collected using remote calls to the monitored systems. See Deployment models for more information about managing proxy nodes and agentless nodes.

If the full capabilities of the HP Operations agent are not needed, for example, if the depth of information, command, and control requirements are limited, agentless monitoring can provide adequate monitoring while decreasing the effort for deployment, maintenance, and upgrade tasks associated with an agent-based solution.

Agentless monitoring with HPOM requires the help of an agent (proxy agent) installed on one managed node. This managed node acts as a proxy system to remotely access monitored nodes. Even though the policies for agentless monitoring belong to the monitored node, they are installed on the proxy system.

You can monitor the following event sources without an agent:

SNMP (Simple Network Management Protocol)
WMI (Windows Management Instrumentation)

NOTE:
There are further remote agentless monitoring possibilities. If you can remotely access and retrieve data from your systems using technologies such as SSH or remsh, you can feed this data into HPOM using the opcmon and opcmsg utilities.

Agentless monitoring with integrated products

One of the benefits of the HP BTO Software portfolio is the ability to integrate multiple products to solve more complex IT problems and for more flexible solution implementations. Remote monitoring of the IT infrastructure is a good example of how multiple HP BTO Software products can be used either individually to meet specific needs, or can be combined to provide a broader remote monitoring solution.

The following products integrate with HPOM to enable remote or agentless monitoring of network elements, systems, applications, and services:

HP Network Node Manager
HP NNM is primarily a remote-monitoring solution, in that it uses existing SNMP agents for network element discovery and status, without requiring additional code to be installed on the managed object.

HPOM and HP NNM integration components and documentation are included with HPOM.
HP SiteScope/HP Internet Services
HP SiteScope and HP Internet Services are primarily remote-monitoring solutions. However, unlike HP NNM, they use a probe-based approach to query monitored nodes. HP Internet Services has been superseded by HP SiteScope.

HPOM and HP Internet Services, as well as HPOM and HP SiteScope integration components and documentation are included with HP Internet Services.

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