| Broadband Remote Access Server |
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The BRAS sits at the core of an ISPs network, and aggregates user sessions from the Access Network . It is at the BRAS that an ISP can inject policy management and IP Quality Of Service (QoS). The specific tasks include:
A DSLAM collects data traffic from multiple subscribers into a centralized point so that it can be uploaded to the router over a Frame Relay, ATM, or Ethernet connection. The router provides the logical termination for PPP sessions, as well as the interface to authentication and accounting systems (see RADIUS ). |
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