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Connectivity 2017: Let’s Learn About SD-WAN SD-WAN stands for software-defined networking in a wide area network, which is an approach that simplifies the operation and management of a WAN by separating the networking hardware from its control mechanism. The concept applied in SD-WAN is the same with the implementation of software-defined networking to virtualization technology for the 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. When businesses try to extend their networks over greater distances and across multiple networks, they often face challenges in operation such as packet loss, jitter, networking congestion and service outages. The modern applications that require low latency include 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. There is a high occurrence of difficult and expensive WAN capability expansion due to difficulties related to network troubleshooting and management. With the design of SD-WAN products, network problems are addressed by enhancing and replacing traditional branch routers with virtualization appliances, controlling application-level policies, offering network overlay and enabling low-cost consumer-grade internet links acting like a dedicated circuit. With SD-WAN, branch personnel are able to easily and simply setup processes. When it comes to SD-WAN products, they can be virtual appliances or physical appliances, placed in small and remote branch offices, corporate data centers, larger offices and cloud platforms. In order to prioritize traffic and set policies, a centralized controller is used, with SD-WAN taking into account 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.
The Ultimate Guide to Networks
When it comes to SD-WAN features, it include flexible deployment, resilience, quality of service (QoS) 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. Quality of service is determined by selection of dynamic path, application sending to faster links and splitting application into two paths for higher and faster performance. We can help you in finding a trusted and reliable SD-WAN provider or vendor, just view our website or contact us directly for more information. 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 Ultimate Guide to Networks