Configuring ObjectServer Gateways

After you installed or upgraded the ObjectServer Gateways in your environment, set the properties of the gateway to define how it operates, and define the mapping between the fields of the source and target ObjectServers, and define which tables are replicated between the ObjectServers.

In a multitiered configuration, ObjectServer gateways function as follows:

• Each collection layer ObjectServer has its own dedicated unidirectional ObjectServer Gateway that connects the ObjectServer to the aggregation layer.
• The aggregation layer includes one pair of ObjectServers that is connected by a bidirectional ObjectServer Gateway to keep them synchronized. The bidirectional ObjectServer Gateway runs on the backup host.
• Each display layer ObjectServer has its own dedicated unidirectional ObjectServer Gateway that connects the ObjectServer to the aggregation layer. Each display gateway reader connects to the virtual aggregation pair whereas each gateway writer connects, and is fixed, to its dedicated display ObjectServer. Therefore, although the readers can fail over and fail back between the primary and backup aggregation layer ObjectServers, the writer stays connected only to its dedicated display ObjectServer. (These gateway connections are the opposite of the gateway connections in the collection layer.)