Architecture
A DSG network comprises three components. The Conditional Access Server generates a stream of out of band data. The DSG Agent (the CMTS) forwards the out of band data and publishes the out of band directory (the DCD). The DSG client on the set-top digest the DSG data.
The set-top device comprises three subcomponents. The DSG-capable cable modem is referred to as the DSG eCM (Embedded Cable Modem). A data consumer is called a DSG Client (there are generally many of these.) Finally, the eCM is configured and controlled by a component called the DSG Client Controller.
Read more about this topic: DOCSIS Set-top Gateway
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