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This section introduces CA DLP policy engine hubs. The role of the hub is to allocate e‑mails to individual policy engines. Policy engine hubs can accept e‑mails from email and archive server agents (Exchange, Domino and Enterprise Vault), and also from Event Import.
The hub is designed to handle each email with minimal delay. It can distribute email processing across multiple remote policy machines in a manner that achieves optimum load-balancing and maximizes throughput. It can also handle hardware failures on remote policy engine machines, seamlessly redistributing events to other policy engines if necessary.
This section shows how the hub uses multiple event queues to optimize email processing. It also describes how the hub is installed in conjunction with an event source (that is, an email or archive server agent or Event Import) and provides instructions for configuring the hub registry values and monitoring hub activity.
Policy engine hub deployment summary
1 Event sources, including CA DLP Event Import (1a) and e‑mail and archive server agents (1b) forward emails to the policy engine hub (2). The hub distributes e‑mails to individual policy engine (3) for processing. The resulting events are replicated up to the CMS (4).
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