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Connectivity 2017: Let’s Learn About SD-WAN 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 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. Companies are able to replace expensive private WAN connection technologies like MPLS and use low-cost internet access with SD-WAN. With WAN (wide area networks), businesses or companies are able to extend their computer networks over large geographical distances to be able to connect to their remote branch offices and data centers, and to be able to deliver applications and services required in performing their business functions. Many companies experiences challenges in operation such as packet loss, jitter, networking congestion and service outages when they extend their networks over greater distances and across multiple networks. VoIP calling, streaming media, videoconferencing and virtualized desktops and applications require low latency. Aside from low latency, there is an increasing need for bandwidth requirements most especially for high-definition (HD) applications. Because of the difficulties associated with network troubleshooting and management, this can result in expensive and difficult WAN capability expansion. With SD-WAN products, network problems are addressed by enhancing and replacing traditional branch routers with virtualization appliances, controlling application-level policies, provision of network overlay and allowing low-cost consumer-grade internet links acting like a dedicated circuit. Branch personnel deal with setup processes easier and simpler. SD-WAN products are composed of virtual or physical appliances usually placed in small and remote branch offices, larger offices, corporate business data centers and 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 is to make sure that service level agreements or SLAs are met by applications’ performance.
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The different features of SD-WANs are resilience, quality of service (QoS) and security with simplified troubleshooting and administration, as well as flexible deployment. SD-WAN resiliency is determined by reducing network downtime, featuring real-time outages detection and automatic switching over to working links. 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. If you are looking for a trusted, reliable and reputable SD-WAN vendor or provider, we are here to help you out, just view our website or contact us directly for more information. It is time to embrace innovation and embrace success with SD-WAN.The 10 Best Resources For Resources