| Diameter Signaling Router Policy and Charging Application Release 8.2 E89000 |
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Routing Rules can be configured to route a Gx RAR message generated at one site that is destined for a PCEF connected to another site.
This is likely in 3-site redundancy deployments because many PCEFs likely only support primary and secondary connections. In such deployments routing can be set up between the three sites.
Note:
Destination-Host based routing can be set up to route the Gx RAR messages to the appropriate site's DSR.