`NetView Management Console Overview' continued... Topology Server The topology server interacts with GMFHS and RODM and provides information for display on the topology console. The topology server furnishes the topology console with a set of tasks
that are applicable against a resource. These tasks appear in the context-sensitive menus on the topology console. The topology server also stores files on behalf of the topology console, including icons, backgrounds, help files,
log files, customized views, and settings. Topology Console The topology console graphically displays network information from the topology server. It displays systems and networking views. It uses color to indicate the
status of each resource, and the status of the entire network. As the topology server receives configuration and status updates pertaining to the network, it updates the topology console. This enables the topology console to always
display the real-time configuration of the network. The topology console is a Java-based, platform-independent application. Real and Aggregate Resources The topology console can display both real and aggregate
resources. A real resource is a single component or link (connection) in a network. An aggregate resource represents a collection of real or aggregate resources. When displayed on the topology console, an aggregate resource has a
plus (+) in the lower-right corner, and an aggregate link has a plus (+) in the center of the link. The status of an aggregate resource is a reflection of the status of its underlying real resources. When you monitor an aggregate
resource, you are monitoring the overall status of a portion of the network. You can define real resources as critical and noncritical using aggregation priority. Critical resources are resources that are considered important to
the operation of the network and are assigned a high aggregation priority (1 or greater). If the status of critical resource changes to unsatisfactory, for example, the status of the aggregate resource would also change to
degraded. Noncritical resources have low aggregation priorities (0). You can set the aggregation priority on a resource from the Resource Properties notebook for a selected resource. When a real resource changes status, the
status of an aggregate of which the resource is a part is determined as follows:
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