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Shentel Launches 100G Network Powered by Cisco-s Next-Generation Coherent DWDM Solution

SAN JOSE, CA — (Marketwired) — 08/16/13 — Cisco (NASDAQ: CSCO) today announced that Shenandoah Telecommunications Company (Shentel) (NASDAQ: SHEN), a leading regional U.S. telecommunications service provider, has updated its dense wavelength division multiplexing (DWDM) fiber-optic network with Cisco-s Coherent DWDM technology to support 100 Gigabit per second speeds to its subscribers throughout Virginia, West Virginia and Maryland. The Cisco ASR 9000 Series router will provide resilient high-speed IP services.

Shentel, the first service provider to deploy Cisco-s 100G network solution within Virginia and West Virginia, will be able to offer multiple 10G or 100G wavelength services.

Since deploying its 100G network in July 2013, Shentel is able to deliver more bandwidth to meet business and residential customers- current and expected demands for voice, data, video and cloud services. The optimized network provides a variety of on-demand 100G services, including seamless 10G or 100G hand-off.

Shentel updated its existing Cisco network to 100G coherent DWDM, which offers plug-and-play-like functionality that can be configured to meet a customer-s demand for bandwidth. This elastic core is optimized to provide multiple 100G support, as required, and supports customer demand for multiple 10G service on-demand. As Shentel continues to build or partner to expand its fiber network, the company-s highly flexible and scalable new Multi-Degree Reconfigurable Optical Add-Drop Multiplexer (MD-ROADM) DWDM 100G network can be expanded further into its Virginia, West Virginia and Maryland markets quickly and without requiring new hardware.

Recognizing the continuing rapid growth of IP traffic on its network, Shentel has begun deploying the Cisco ASR 9000 platform. Since the first deployment in 2010, Shentel has been upgrading its Cisco7600 network to the ASR 9000. The Cisco ASR 9000 will serve as the foundation for next-generation Carrier Ethernet networks, providing up to 96 terabits (Tbps) per system, allowing Cisco to evolve its service provider architecture to deliver capabilities for the Next-Generation Internet, which must be more mobile, more visual, more virtual, and more simple to manage. This architecture will allow carriers to monetize new, profitable services; optimize network performance and efficiency; reduce operational costs and complexity, and enhance customer experiences.

Shentel has deployed Cisco-s DWDM technology throughout its markets in Virginia (Ashburn, Herndon, Leesburg, Harrisonburg, Winchester, Warrenton, Front Royal, Edinburg, Christiansburg, Rustburg, Rocky Mount, Farmville, Wytheville), West Virginia (Charleston, Martinsburg, Weston, Summersville) and Maryland (Hagerstown).

The 100G DWDM solution is based on coherent optical technology, powered by Cisco-s nLight Silicon. It provides the capability to transmit up to 100G wavelengths over fully uncompensated networks, up to 3,000 km (1864 mile) optical spans without regeneration. Utilizing an advanced modulation scheme and enhanced forward error correction enables Shentel to use its existing fiber plant investments while delivering maximum performance, especially on marginal or impaired fiber segments.

All parameters of the DWDM network were configured automatically by the smart-management subsystem and optical channel power control tools integrated in the Cisco ONS 15454 MSTP platform.

Cisco is the industry leader in Carrier Ethernet and routing technologies, enabling service providers such as Shentel to deploy and operate networks that are simpler and more cost-effective to operate, and accelerate delivery of new services.

The Cisco ASR 9000 Series utilizes the modular Cisco IOSĀ® XR software operating system, simplifying network operations while enabling comprehensive system redundancy and intelligent routing. Shentel has widely deployed the Cisco ASR 9000, family, which contains high-density 10G and 100G interfaces for the network edge.

The Cisco ASR 9000 Series routers used as Shentel-s network core providing up to 96 terabits (Tbps) per system, helping ensure the fail-safe delivery of multifunctional applications.

“We are continually trying to ensure we deliver the fastest, most reliable and most advanced services to our subscribers. Our transition to 100G was not a question of when — we recognized the need to act now and as a result are among the first regional service providers in the US to deliver 100G speeds. The transition is already paying off through our ability to test and deploy new services quickly.”

“The service provider industry faces many complicated challenges, and our technology infrastructure is core to alleviating those issues, as well as positioning us to capitalize on new business opportunities. We have taken an architectural approach for our network infrastructure to ensure we can continue to obtain value from our initial investment and to scale seamlessly and quickly.”

“The rapid pace of M2M connectivity across people, places and things, in addition to continued demand for high-bandwidth content, requires service providers to rethink their technology infrastructures to ensure they remain relevant. Shentel has great foresight to complete this initiative now to address current and projected internal and external requirements. They are ahead of the curve and have an even stronger foundation to deliver new and enhanced services.”


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Shenandoah Telecommunications Company is a holding company that provides a broad range of telecommunications services through its operating subsidiaries. The Company is traded on the NASDAQ Global Select Market under the symbol “SHEN.” The Company-s operating subsidiaries provide local and long distance telephone, Internet and data services, cable television, wireless voice and data services, alarm monitoring, and telecommunications equipment, along with many other associated solutions in the Mid-Atlantic United States.

Cisco (NASDAQ: CSCO), the worldwide leader in networking that transforms how people connect, communicate and collaborate. Information about Cisco can be found at . For ongoing news, please go to .

Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. A listing of Cisco-s trademarks can be found at . Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company.

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Jim Brady
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Carter Cromwell
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John Choi
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