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Resumen del manual
The Alcatel-Lucent 5750 SSC base product contains a broadband policy server that acts as a centralized policy- decision and orchestration point for the end-to-end access, aggregation and IP transport network, evaluating on-demand subscriber requests for access to network-based services and content. The dynamic assignment of IP address es to user devices is controlled with predefined static or dynamic address pools that are managed using DHCP or RADIUS (combined with the DHCP or RADIUS server con troller module or external servers). These same network-access protocols or element-management system (EMS) plug-ins for multitechnology and multi vendor network integration can be used to coordinate the real-time deployment of service-control policies and enable dynamic, on-demand policy modification. Subscribers may trigger these modifications (e.g., dynamic service selection or upgrade) using a self- service web portal based on: • Service-metering policy events (usage metering and triggering package) • Application or network events (e.g., VoD session request, DPI virus detection alert) • Timer expiration (e.g., end of service trial period) With service components, subscribers can mix and match video, voice and Internet service packages and create personalized triple-play service bun dles. These capabilities give service providers many options for simply and cost-effectively creating differentiated, and user-centric services in a simple and cost-effective way. 8 Alcatel-Lucent 5750 Subscriber Services Controller Integrated Network-Access Control and User-Device Authentication The Alcatel-Lucent 5750 SSC provides subscribers and end-user devices with a single point of access to network-based services, content and applications. The product supports the full range of DHCP, RADIUS and 802.1x EAP authentication methods, enabling maximum operational flexibility with complete coverage of connectivity options and the security needs of such digital home- network devices as RGs, IPTV set-top boxes, IP phones, PCs, game consoles and 802.1x wireless devices. Supporting both basic and enhanced subscriber management with Alcatel-Lucent’s TPSDA combined with any mode of oper ation, the Alcatel-Lucent 5750 SSC also enables the consolidation of subscribers and services using the current mode of operation based on traditional multi vendor BRAS systems under a common AAA solution. New enhancements offer a seamless evolution and integration path to an ETSI TISPAN-compliant IMS service-delivery environment, with the Alcatel-Lucent 5750 SSC fulfilling the role of the NASS. 10 Alcatel-Lucent 5750 Subscriber Services Controller Alcatel-Lucent 5750 SSC can there - fore offer a full implementation of the a2, e2 and e4 interfaces in the NASS. IEEE 802.1X EAP/RADIUS SUPPORT The Alcatel-Lucent 5750 SSC enables the authentication and configuration of user devices such as RGs that require EAP and 802.1x wireless access points such as WiFi. Legitimate RGs can be preconfigured with a certificate that is authenticated via the Alcatel-Lucent 5750 SSC prior to authorizing access at the dig - ital subscriber line access multiplexer (DSLAM) or aggregation node. RADIUS AAA SERVICES Legacy HSI-infrastructure consoli - dation and migration to Alcatel- Lucent’s TPSDA is supported using a fully featured, highly scalable and extensible RADIUS authentication server, with support for standardized as well as multivendor RADIUS attrib - ute configuration on legacy BRAS systems. RADIUS support includes change of authorization (CoA) for mid-session policy changes, to facil - itate dynamic bandwidth man gement and on-demand service upgrades. INTEGRATED DHCP SERVER WITH STANDARDS-BASED INTERFACES The DHCP server allows the manage - ment of IP address pools and can, with the Alcatel-Lucent 5750 SSC, per - form policy-based authentication, IP address assignment, and subscriberprofile configuration based on DHCP options 82 and 67. The system keeps track of IP leases for established sub - scriber and service sessions using a highspeed, real-time database that can be replicated over redundant servers. The Alcatel-Lucent 5750 SSC can also interwork with existing DHCP servers in relay mode and is fully capa ble of fulfilling the role of net - work access configuration function (NACF), as defined in the ETSI TISPAN architecture standards. A built-in a2 reference interface allows subscriber information to be shared with third-party systems or complementary Alcatel-Lucent TISPAN/IMS products. A functional enhancement is available for the DHCP server module, enabling it to provide the connectivity location function (CLF) with support of the e2 and e4 reference interfaces. The Dynamic Bandwidth Management and Usage Accounting The Alcatel-Lucent 5750 SSC allows service providers to differentiate and evolve from basic HSI-access commodity services. With traditional flat-rate, “all-you-can-eat” Internet services, subscribers often think they are paying too much for a service with...
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