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When you start the product region on a system that contains a VTAM domain, you can monitor the SNA resources controlled by that domain immediately. The region monitors those resources and takes appropriate recovery actions to maintain the availability of those resources. This basic feature enables you to manage your networks on a resource basis.
The product obtains the status of resources from the VTAM message flow. It then compares the actual status of a resource with the desired state of that resource and responds accordingly by using the information in the knowledge base.
Individual resource management, however, does not provide you with a view of the services you are providing to the different business units in your organization. This product helps you implement views of your SNA resources from a service-driven operations perspective. You can group resources by business function and manage those SNA groups. You can monitor the groups by using the service monitor, resource monitor, or graphical monitor.
This product also provides an event management facility that lets you manage (for example, suppress) unwanted messages. You can also monitor VTAM messages in a multisystem environment.
The region gains information about the SNA resources it manages by interpreting the primary program operator (PPO) message flow.
Note: If you are running CA NetMaster NM for SNA in the same region as this product, you also have available a CNM message flow. For information about how to set up the CNM message flow, see the Installation Guide.
The region intercepts the messages and resends them by using the resource name as the job name, and 17, 18, or 19 as the MVS routing codes.
The main components of the product are illustrated in the following diagram.
Discovers SNA resources in the local VTAM domain to build the SNA network model and monitors their status.
Provides a monitoring and control facility for the SNA resources in the network model. This component lets you perform basic management of your resources.
Lets you define the service policies. It maintains the desired availability of those services, and provides the monitoring and control facility that lets you operate those services. This component lets you manage the SNA resources from a service-driven operations perspective.
This product lets you do the following:
The product provides focal point management to support multisystem operation (that is, management at a focal point with subordinates feeding information to it).
You can link regions together to provide you with an enterprise view of the managed resources, messages, and alerts. You can monitor and control all the services and resources defined in the linked regions from a focal point region.
In a multisystem environment where each region manages the local resources, failure of one region does not affect the automated operation of resources on the other systems, and you can still have an enterprise view of the resources managed on those systems.
Note: For information about how to implement your multisystem environment, see the Administration Guide.
From a focal point region, you have visibility of all the managed services and resources.
From a subordinate region, you have visibility of the locally managed resources only. By using subordinates, you reduce the amount of traffic in the multisystem environment.
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