Multiple GanttRouters

Set Up

The meta-router

If multiple GanttRouters are to be configured one GanttRouter is designated as the "meta-router": its role is to act as the single point of contact for Gantt Clients. The meta-router will redirect the Gantt Clients to another GanttRouter via which the Gantt Client connects to the required FRU. The meta-router will not itself act as a router directly connecting a Gantt Client to an FRU unless no other GanttRouter is available.

 Configuring GanttRouter Components

Each GanttRouter, including the designated meta-router, is configured as a component in DB table database sp400_components. See section System Start Up for more details.

 Mapping GanttRouters to FRUs

The component hierarchy determining which GanttRouters are mapped to which FRUs is defined in DB table database sp401_component_hierarchy. When setting up this mapping:

1. The designated meta-router must be mapped to all FRUs.
2. Each FRU must be mapped to at least one other GanttRouter as well as the meta-router.

The recommended configuration is to map all GanttRouters to all FRUs. This allows the meta-router complete flexibility when load balancing between GanttRouters and FRUs, makes it easier to add or remove FRUs, and provides maximum redundancy in the event of GanttRouter becoming unavailable.