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. With SD-WAN, businesses build a higher performance WANs utilizing low-cost internet access and replacement of expensive private WAN connection technologies like MPLS.
WANs or wide area networks enable companies in extending their computer networks over large geographical distances in order to connect to their remote branch offices and data centers, 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. Almost all modern applications require low latency such as VoIP calling, streaming media, videoconferencing and virtualized desktops and applications. In addition to that, there is also an increased need in bandwidth requirements most especially for high-definition (HD) applications. The difficulties related to network troubleshooting and management can result in difficult and expensive WAN capability expansion.
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. 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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When it comes to SD-WAN features, it include flexible deployment, resilience, quality of service (QoS) and security with simplified troubleshooting and administration. SD-WAN resiliency is determined by reducing network downtime, featuring real-time outages detection and automatic switching over to working links. Quality of service can be achieved by prioritizing bandwidth and increasing application level awareness as well as 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 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.Companies – My Most Valuable Advice