BRAS/BNG mode description and architecture [Документация VAS Experts]
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    en:dpi:bras_bng:modes_and_architecture [2025/03/14 09:46] – [Advantages of SSG compared to other BRAS solutions] elena.krasnobryzhen:dpi:bras_bng:modes_and_architecture [2025/04/01 08:04] (current) – [BRAS components] elena.krasnobryzh
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         * Application of platform services (CG-NAT, Whitelist and Captive Portal, Web-filtering, Mini-Firewall, DDoS protection)     * Application of platform services (CG-NAT, Whitelist and Captive Portal, Web-filtering, Mini-Firewall, DDoS protection)
         * Exporting traffic information in IPFIX and Netflow v5 format (Full NetFlow, Clickstream, NAT log)     * Exporting traffic information in IPFIX and Netflow v5 format (Full NetFlow, Clickstream, NAT log)
    -  - **fastPCRF** - responsible for interaction of the platform with the telecom operator's OSS/BSS via RADIUS protocol. (AAA - Authentication, Authorization, Accounting). fastDPI and fastPCRF components communicate with each other by internal communication protocol via TCP/IP stack. PCRF can be placed either on a separate physical or virtual server or run on the same server together with fasDPI. In case of using several SSG, 2xPCRF (Active-Standby) and NxSSG scheme is used.+  - **fastPCRF** - responsible for interaction of the platform with the telecom operator's OSS/BSS via RADIUS protocol. (AAA - Authentication, Authorization, Accounting). fastDPI and fastPCRF components communicate with each other by internal communication protocol via TCP/IP stack. PCRF can be placed either on a separate physical or virtual server or run on the same server together with fastDPI. In case of using several SSG, 2xPCRF (Active-Standby) and NxSSG scheme is used.
       - **Router** - used to announce routes using BGP and OSPF protocols with VRF support.   - **Router** - used to announce routes using BGP and OSPF protocols with VRF support.
       - **DHCP** - KEA local DHCP server is used. SSG can operate in one of the modes:   - **DHCP** - KEA local DHCP server is used. SSG can operate in one of the modes: