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T-Mobile® is the leading mobile phone operator inGermany with more than 37 million subscribers as ofMarch 31, 2008. Headquartered in Bonn, Germany,T-Mobile generated ?8 billion in revenues in 2007.T-Mobile continuously invests in modernizing itsnetwork, with a focus on superior network experienceand deploying state of-the-art technologies for highspeedmobile data transmission (GPRS, EDGE, WLAN,UMTS, and HSDPA).


 T-Mobile

T-Mobile Standardizes Network Design and Operations Activities with Riverbed

T-Mobile is the leading mobile phone operator in Germany with more than 37 million subscribers as of March 31, 2008. Headquartered in Bonn, Germany,T-Mobile generated €8 billion in revenues in 2007. T-Mobile continuously invests in modernizing its network, with a focus on superior network experience and deploying state of-the-art technologies for highspeed mobile data transmission (GPRS, EDGE, WLAN, UMTS, and HSDPA).

The IP Design Authorization Group at T-Mobile is responsible for making design recommendations to guarantee the correct operation of multiple networks across the organization. To support these activities they undertook the strategic initiative to implement a standardized toolset across the company, based on Riverbed SteelCentral NetSentinel and NetPlanner.

NetSentinel is deployed in a hierarchical configuration to collect data from different networks and audit these networks against misconfigurations, security gaps, and violations of organizational policies.

Based on the detailed recommendations provided by NetSentinel, T-Mobile identified and modified several erroneous configurations that previously went unnoticed and could have resulted in service disruption.

Leveraging the network and traffic data collected by NetSentinel, T-Mobile uses NetPlanner to guarantee end-to-end connectivity and service delivery across multiple service areas and undertake survivability analysis to ensure that services remain operational in case of equipment failures. NetPlanner is used also to simulate the impact of new services and traffic growth on the backbone network and make timely recommendations to perform capacity upgrades before service performance is impacted.

Riverbed is a strategic partner for T-Mobile’s network design and operations activities. Using NetSentinel and NetPlanner, T-Mobile gained an unprecedented level of end to-end visibility and understanding of the network, allowing the company to better justify network design recommendations and significantly reduce network configuration errors and resulting downtime.

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