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IP Service Assurance for GPRS/UMTS Mobile Operators - NetScout

IP Service Assurance for GPRS/UMTS Mobile Operators - NetScout

IP Service Assurance for GPRS/UMTS Mobile Operators -

SERVICE PROVIDER SOLUTION | Mobile Operator IP Service Assurance Technical Brief IP Service Assurance for GPRS/UMTS Mobile Operators Mobile operators face significant challenges as they transform their infrastructure from legacy technology to all-IP networks. Additionally, operators are experiencing explosive growth in traffic, primarily due to increased demand for broadband data services over 2.5G and 3G infrastructure. Engineering and operations organizations need to adopt new approaches and leverage new tools designed specifically for the modern IP network in order to help them improve the reliability of service delivery, minimize service outages and address customer trouble reports. The nGenius ® Service Assurance Solution is the only native- IP, comprehensive core-to-access service assurance solution that empowers General Packet Radio Service (GPRS) and Universal Mobile Telecommunications System (UMTS) mobile operators to effectively address these new challenges. The nGenius Service Assurance Solution represents the new generation of service delivery management platforms as it provides a view into the network, network enablers, services and subscribers from a unified perspective. Mobile Operator Challenges Mobile operators around the world are evolving to IP-based networks to better support the demands of next-generation services, to reduce operational costs and to gain incremental operational efficiencies. Legacy mobile infrastructure, because of its higher operational costs, poor scalability, lack of native-IP support and poor integration, is because of its higher operational costs, poor scalability, lack of native-IP support and poor integration, unable to effectively keep up with the demands imposed by evolving GPRS/ UMTS networks. Legacy Time Division Multiplexing (TDM), Frame Relay and Asynchronous Transfer Mode (ATM) interfaces, once the mainstay of 2, 2.5 and 3G networks do not provide the scalability and opex/capex reduction needed for LTE and 4G evolution and mobile data growth. Likewise, legacy service assurance tools are TDM-centric and cannot scale to handle the explosion in mobile data demand and the ever increasing numbers of user sessions. Additionally, the legacy service assurance products are not optimized for IP-based networks and lack the capabilities needed to address the demands of modern IP networks. Node B 3G BTS 2.5G RNC lub Abis BSC Gb SGSN Packet Core luPS Gn Gn SGSN Gp Core-to-Access IP Service Assurance In modern IP networks, service assurance solutions need to move past the traditional method of inferring user experience from control plane monitoring. Operators need not only core to access visibility or breadth of coverage, but also depth of coverage to look at both control and user plane applications all the way down to the packet level in order to extract the rich contextual information that provides true insight into user experience. Full core-to-access visibility with IP service assurance enables mobile operators to mitigate many of the operational and service challenges brought on by IP transformation and IP-based service delivery. Full visibility into services, networks, and subscribers, with packet details and deep insight into usage and trends, has become a fundamental necessity for today’s modern IP networks. Passive monitoring of key mobile network interfaces, from the mobile operator’s Radio Access Network (RAN) to the mobile core network and beyond, using high-speed IP links, allows operators to selectively monitor only certain applications or comprehensively monitor all data and control plane traffic. The latter approach provides robust core to access visibility into the complex interaction of services, service enablers and control plane traffic that make up the mobile data offerings consumed by subscribers. GGSN Gi GRX AAA Figure 1: GPRS/UMTS network nGenius Performance Manager Internet Content CS-028-10

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