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Today's Wide Area Networks (WANs) are experiencing increased saturation with the deployment of bandwidth-intensive applications, increased numbers of users, and the need for reliable security transmissions. IT personnel responsible for these issues acknowledge the increased congestion and have strived to maintain high levels of network performance. At the same time, IT departments are tasked with the job of lowering the cost of network infrastructure and ongoing operations. Network administrators continually face the challenge of balancing the increased use of critical applications on the Internet, while eliminating downtime and congestion from affecting user quality and day-to-day business operations.
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