Germany's Fastest-Growing Broadband Network Fortified with Nominum Vantio

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Kabel Deutschland Upgrades DNS to Address Threats, Growth, and New Services

Nominum Leapfrogs Industry Response to DNS Vulnerability with New Security Package

Nominum, the leading provider of network naming and addressing technologies, announced today that Kabel Deutschland (KDG), the leading triple-play provider in Germany, has deployed Nominum's Vantioâ„¢ Base Server as the foundation for its core Internet services.

KDG recognized very early that a reliable, high-performance DNS service was critical to its entire broadband business. The company deployed a commercial best-of-breed solution instead of freeware, recognizing it would gain long-term benefits in the form of network security, responsiveness, and stability. The immediate results are clear:

  • Nominum's DNS foundation contributes directly to subscriber satisfaction, retention, and growth.
  • Subscriber count more than doubled over the past year, and Nominum's DNS foundation easily accommodated this growth while leaving plenty of headroom for the future.
  • More important, when a serious DNS security vulnerability was discovered in the summer, all of KDG's customers were immediately protected with Vantio's layered defenses architecture.

"We recognized very early that DNS is a critical component of our growth strategy and decided to partner with Nominum, the clear leader in the industry," said Nicolai Boeke, head of OSS/VAS engineering at KDG. "Our proactive strategy for DNS is paying rich dividends by accommodating our rapid network growth with ease and offering our users instantaneous best-in-class protection from the latest security threats. Our ability to rapidly roll out Nominum's new defenses meant we could move forward with business-plan execution."

KDG selected the Nominum's Vantio DNS platform to gain the following benefits:

  • KDG was able to immediately deploy the industry's most advanced DNS defenses, thus offering its subscribers the best protection against the recently discovered DNS cache poisoning vulnerability while also preparing the network to address future threats.
  • With Vantio's modular design, specifically engineered to accommodate service delivery modules, KDG is positioned to enable additional DNS-based services in the future that will enhance the subscriber experience and ensure KDG can continue to innovate and differentiate its broadband offerings in an intensely competitive marketplace.
  • Vantio offers the industry's highest performance and availability, ensuring that KDG subscribers get the maximum benefit from KDG's high-speed broadband network.

KDG's users are among more than 150 million broadband Internet households, representing nearly half the wired Internet, protected by Nominum's unique layered defenses that defeat cache poisoning attacks, including the latest one discovered by Dan Kaminsky. (See "Nominum Leapfrogs Industry Response to DNS Vulnerability with New Security Package" or click for more details on Nominum's unique layered security defenses.)

"We're pleased to partner with leading-edge providers like KDG and advance the state of the art with respect to Internet security and services with stable, reliable, and predictable software," said Gopala Tumuluri, vice president of marketing and product management at Nominum. "Close collaboration with customers allows us to continue to extend our unique capabilities to provide the best protections available for broadband subscribers, build value-added services that improve the user experience, and fortify providers' bottom line."

About Nominum:
Nominum's network naming and addressing solutions are the foundation of the always-on broadband Internet, supporting more than150 million households connected by more than one hundred service providers in every region of the world - North America, Europe, Asia-Pacific, and Latin America. Nominum's Domain Name System (DNS) and Dynamic Host Configuration Protocol (DHCP) products lead the industry in security, performance, and reliability. Nominum innovations allow providers and enterprises to leverage DNS to deliver a Trusted Internet Experience, creating an environment where individuals can browse, interact, and transact online without fear of identity theft or exposure to illegal or malicious content. This environment preserves the freedom to explore, create, and share content, while maintaining privacy. It also removes the immense burden on Internet users to provide and maintain the technology needed to protect themselves from an increasingly complex and continually changing range of online threats. For more information, please visit

About Kabel Deutschland
Kabel Deutschland (KDG) operates cable networks in 13 German states and supplies its services to approximately 9 million connected TV households in Germany. Being Germany's largest cable network operator und biggest triple-play provider, Kabel Deutschland develops and markets new triple play offers for digital TV, broadband Internet and telephone connection via cable. KDG offers an open digital TV platform for all program providers. The company operates the networks, markets cable connections and provides comprehensive services for all matters of cable connectivity. In fiscal year 2007/2008 (12 months ended March 31, 2008), Kabel Deutschland reported total revenue of approx. EUR 1.2 billion, EBITDA amounted to EUR 457.8 million. The company has around 2,750 employees.


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