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Today, corporate networks are facing unprecedented challenges caused by three trends:
the need to deliver mission-critical, real-time applications; the explosion of new devices such as IP desk phones, video surveillance smart boards, and integration of employee devices not under corporate control; and virtualization technologies on the desktop, in
the data center and in the cloud.
All three drive up bandwidth demands, pushing legacy networks to their limit. New smart devices combined with mobility increase the pressure, making it difficult to predict bandwidth consumption, and virtualization squeezes the network from the inside. As IT groups consolidate servers to save costs, it creates increased demand for raw bandwidth and requires the network to automatically react to the needs of virtualized systems - something legacy networks were never designed to do.
These issues have highlighted the need for a new approach to create a network that can:
- Deliver a high-quality user experience for voice and video through a resilient architecture, with fast reconvergence time, minimal jitter and latency, and the ability to selectively allocate bandwidth to specific applications
- Accommodate user and device mobility with a high degree of integration between the wired and wireless LAN
- Free the IT staff from the daily struggle by being far easier to manage and maintain than legacy networks
- Handle all these challenges in a cost-effective way
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