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SD-WAN 2017: Learning About Its Uses and Benefits SD-WAN or software-defined networking in a wide area network refers to the approach simplifying operation and management of a WAN by separating or decoupling the networking hardware from its control mechanism and designing and deploying an enterprise WAN using software-defined networking in order to determine the most effective method of routing traffic to remote locations. The SD-WAN concept is somehow similar with the virtualization technology software-defined networking implementation, improving data center operation and management. SD-WAN allows companies to create high performing WANs with the use of low-cost internet access, and replacing expensive private WAN connection technologies like MPLS. With WAN or wide area networks, companies are enabled in extending their computer networks over large geographical distances to be able to connect to their remote branch offices and data centers, and delivering applications and services required in performing business functions. With WAN legacy, companies face challenges in operation such as jitter, networking congestion, packet loss, and service outages when they attempt to extend their networks over greater distances and across multiple networks. Almost all modern applications require low latency such as VoIP calling, streaming media, videoconferencing and virtualized desktops and applications. There is also an increased need for bandwidth requirements, especially for high-definition (HD) applications aside from low latency. The difficulties related to network troubleshooting and management can result in difficult and expensive WAN capability expansion. SD-WAN products are specially designed to address network problems through enhancement and replacement of conventional branch routers with virtualization appliances, manage application-level policies and provides network overlay and allowing low-cost consumer-grade internet links acting like a dedicated circuit. SD-WAN makes setup processes simpler for branch personnel. SD-WAN products are either physical or virtual appliance which is placed in corporate data centers, larger offices, small remote branch offices or cloud platforms. A a centralized controller is utilized in order to prioritize traffic and set policies, taking into account the availability of network bandwidth and policies to route traffic. This helps in ensuring that the performance of applications are able to meet service level agreements or SLA.
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The different SD-WAN features include flexible deployment, quality of service (QoS), resilience and security with simplified troubleshooting and administration. A resilient SD-WAN must reduce network downtime, automatically switching over to working links with real-time outages detection. In order to gauge the quality of service, bandwidth should be prioritized, and there should be increased application level awareness through dynamic path selection, application sending to faster links and splitting application into two paths for higher and faster performance. If you are looking for a trusted and reliable SD-WAN vendor we are here to help you, feel free to visit our website or contact us directly. With SD-WAN, success is closer, giving your business an innovative solution in handling your information and web presence in a more effective and productive way.The 9 Most Unanswered Questions about Companies