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F5 and Double-Take Software Partner to Enable Enterprises to Accelerate Data Replication and Reduce WAN Expenses

Deploying F5's WANJet with Double-Take significantly improves the ability to meet recovery point and recovery time objectives over the WAN; Joint solution reduces business risk and unnecessary application downtime in event of disaster or disruption

F5 Networks, Inc. (NASDAQ: FFIV), and Double-Take Software, Inc. today announced a partnership agreement whereby Double-Take Software will join F5's Technology Alliance Partner Program. The partnership between F5 and Double-Take Software allows companies to leverage existing infrastructure to meet the ever-increasing demands on the WAN.

The joint solution of F5's WANJet appliance and Double-Take from Double-Take Software is designed to give organizations the ability to protect and recover business-critical data in less time-and without increasing bandwidth. The two companies have completed interoperability and performance testing using real-world data across a live WAN link that demonstrates how F5's WANJet helps optimize the WAN links over which Double-Take performs its data replication processes. This combined solution enables organizations to significantly accelerate data protection and recovery of applications over the WAN. The resulting acceleration of data transmission can help companies meet more strict recovery point and recovery time objectives.

F5's WANJet appliances and Double-Take can protect data from a wide variety of applications including Microsoft® Exchange, SQL, SharePoint and Oracle. WANJet uses advanced TCP optimization and compression algorithms to increase the amount of data that can be transmitted over any given connection by up to 20 times. WANJet relies on several levels of Transparent Data Reduction (TDR), a revolutionary networking technology, to ensure high-speed application performance. TDR reduces the amount of data transferred over the WAN by up to 95 percent. In addition, WANJet's intelligent compression and accelerated CIFS capabilities improve performance for file transfers over the WAN.

"Continuous data replication using Double-Take's asynchronous, byte-level replication technology is an extremely efficient way to protect data across great distances with minimal impact to network bandwidth," said Bob Roudebush, Director, Solutions Engineering, Double-Take Software. "In combining this efficient replication with WANJet's TCP optimization, customers can protect larger amounts of data over their existing infrastructure without investing in additional network capacity."

"Enterprise IT professionals continually grapple with the balancing act of ensuring business continuity versus controlling costs," said Erik Giesa, VP of Product Management and Marketing at F5. "Our partnership with Double-Take Software will help customers achieve real business value in the event of a disaster or business disruption by enabling them to move data more efficiently between sites. And Double-Take Software's extensive experience in protecting Microsoft Exchange and SQL data gives customers the added assurance that the joint solution will be effective."

About F5 Networks

F5 Networks is the global leader in Application Delivery Networking. F5 provides solutions that make applications secure, fast and available for everyone, helping organizations get the most out of their investment. By adding intelligence and manageability into the network to offload applications, F5 optimizes applications and allows them to work faster and consume fewer resources. F5's extensible architecture intelligently integrates application optimization, protects the application and the network, and delivers application reliability-all on one universal platform. Over 10,000 organizations and service providers worldwide trust F5 to keep their applications running. The company is headquartered in Seattle, Washington with offices worldwide. For more information, go to

About Double-Take Software

Double-Take Software provides the world's most relied upon solution for accessible and affordable data protection for Microsoft Windows applications. The Double-Take product is the standard in data replication, enabling customers to protect business-critical data that resides throughout their enterprise. With its partner programs and professional services, Double-Take delivers unparalleled data protection, centralized back-up, high availability, and recoverability. It's the solution of choice for thousands of customers, from SMEs to the Fortune 500 in the banking, finance, legal services, retail, manufacturing, government, education, and healthcare markets. Double-Take is an integral part of their disaster recovery, business continuity and overall storage strategies. For more information, please visit

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