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SD-WAN: SOFTWARE-DEFINED WAN

The Future of WAN is Here Today

SD-WAN simplifies branch office networks

Software-defined WAN is making it simpler to set up and manage networks at branch offices despite their growing complexity and a lack of onsite IT staff. With zero-touch, rapid deployment, almost anyone can plug in an SD-WAN gateway and watch as it is discovered, provisioned, and brought online. GHD brought 50 small offices into its corporate network in just 4 weeks with Riverbed SteelConnect SD-WAN, resulting in cost savings and greater business agility. One network engineer can administer dozens, maybe hundreds, of SD-WAN devices on an ongoing basis. This is made possible by policy-driven management, which translates business requirements into operational rules that are transmitted to all SD-WAN devices across the enterprise network.

 

 
 

Improving performance with SD-WAN

Network performance is important for business-critical applications and unified communications–especially when applications run in the cloud. But not all network traffic needs to move quickly. Software-defined WAN combines traditional quality-of-service with the ability to steer the traffic of different applications and users onto appropriate paths. SD-WAN can also monitor the health of WAN links and automatically route traffic onto an alternate path when the primary path becomes congested. But that doesn’t help if all available paths are bad. WAN optimization can be used together with SD-WAN to improve performance across congested links and high-latency connections. 

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