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F5’s ARX Solution Helps Densan Ensure Business Continuity with Automated File Storage Migration

ARX helps Densan move data and upgrade storage infrastructure without downtime, and helps position the company for future storage needs

F5 Networks, Inc. (NASDAQ: FFIV), the global leader in Application Delivery Networking, today announced that Densan Co., Ltd. (headquartered in Nagano City, Nagano Prefecture) has deployed the F5® ARX® file virtualization solution as a key component of the company’s storage infrastructure replacement project.

Densan is a comprehensive information service firm that provides the “avis” Internet service, primarily in the Nagano Prefecture. As it approached the end-of-support period for its previous storage system, Densan began planning for a new infrastructure. This involved assembling a data migration plan. The goal was to create a flexible storage environment where Densan could perform data migration without suspending services or incurring downtime.

Rather than purchasing a temporary license for infrastructure data migration, Densan chose to deploy a storage virtualization offering. This decision was based on the ability to use file virtualization as an ongoing means to increase the operational efficiency of the storage environment, and provide the scalability to easily add storage resources to the existing infrastructure in the future. In selecting the F5 solution, Densan placed particular importance on the award-winning file virtualization technology of ARX, which enables companies to perform non-disruptive data migrations and scale for future growth.

With ARX, Densan will be able to introduce a storage tiering strategy that allocates premium disk space for their most-accessed resources, and leverages the lower cost SATA storage for less critical data. The ability to intelligently control how data is stored and accessed will enable Densan to maximize the value of their storage investments as they build out their infrastructure.

For more information on ARX, please visit

About Densan

Densan is an information processing service company established in 1966 and based in Nagano City. The company has continuously provided advanced IT services as a system integrator and ISP. In addition to total solutions for construction and provision of online systems, Densan was quick to offer Internet services and has gained many users, primarily in Nagano Prefecture. The company is respected for its technological capabilities and reliability, and has done extensive business with public entities. In 1995, it launched the avis Internet service to expand its business.

About F5 Networks

F5 Networks is the global leader in Application Delivery Networking (ADN), focused on ensuring the secure, reliable, and fast delivery of applications. F5’s flexible architectural framework enables community-driven innovation that helps organizations enhance IT agility and dynamically deliver services that generate true business value. F5’s vision of unified application and data delivery offers customers an unprecedented level of choice in how they deploy ADN solutions. It redefines the management of application, server, storage, and network resources, streamlining application delivery and reducing costs. Global enterprise organizations, service and cloud providers, and Web 2.0 content providers trust F5 to keep their business moving forward. For more information, go to

F5 and ARX are trademarks or service marks of F5 Networks, Inc., in the U.S. and other countries. All other product and company names herein may be trademarks of their respective owners.

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This press release may contain forward looking statements relating to future events or future financial performance that involve risks and uncertainties. Such statements can be identified by terminology such as "may," "will," "should," "expects," "plans," "anticipates," "believes," "estimates," "predicts," "potential," or "continue," or the negative of such terms or comparable terms. These statements are only predictions and actual results could differ materially from those anticipated in these statements based upon a number of factors including those identified in the company's filings with the SEC.