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A DGE-extension is a light-weight component designed to extend the data collection of a DGE over a network. The DGE-extension collects data, but does not store it locally. The collected data is periodically transferred to an upstream DGE for aggregation and storage. Using a DGE-extension can help to minimize data collection network traffic between subnets or different geographic locations without installing additional DGEs.
Additionally, DGE-extensions initiate the connections to the BVE Provisioning Database and the DGE, so they do not require a publicly accessible IP address. The data transfer to the DGE is done over an SSL tunnel.
Traverse System Components Including DGE-extensions
The following figure shows how DGE-extensions fit into the Traverse system architecture.
The steps to configure a DGE-extension are generally the same as for a regular DGE, but each DGE-extension is tied to an upstream DGE for its data storage:
etc/dge.xml), just like with a DGEsuperuser and add the DGE-extension name as a new DGE-extension.
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