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TIBCO Rendezvous® 8.8.0

# Subject Gating

The router configuration determines the set of public subjects that can potentially pass between the routing daemon and the local network:

| • | Export subjects can flow out from the local network to the routing daemon, and from there to other networks.

| • | Import subjects can flow into the local network from the routing daemon.

## Gating of System Subjects

As a rule, routing daemons do not forward Rendezvous system subjects (such as `_RV.>` and `_RVRD.>`). If you specify these subjects for export or import, the router ignores them.

However, system subjects required for feature operation (such as `_RVCM.>` and `_RVFT.>`) are the exception to this rule. Routing daemons do forward these subjects, and you can specify them for export and import.

## Point-to-Point Gating

Routing daemons automatically transmit point-to-point messages as appropriate:

| • | When a routing daemon receives a point-to-point message whose destination is elsewhere in the global routing table, it forwards that message to the routing daemon that serves the destination network.

| • | When a routing daemon receives a point-to-point message whose destination is in one of its local networks, it forwards that message directly to `rvd` on the destination computer.

| • | Administrators do not need to explicitly import or export inbox subject names.

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