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There is a need for a new kind of WAN to address modern business challenges: SD-WAN. Software-defined WAN is a new approach to network connectivity that lowers operational costs and improves resource usage for multisite deployments. Network administrators can use bandwidth more efficiently and can help ensure the highest level of performance for critical applications without sacrificing security or data privacy. 

Business Benefits:

  • Reduces costs with transport independence across MPLS, 3G/4G (and soon 5G), LTE, etc.
  • Improves business application performance and increases agility.
  • Optimises the user experience and efficiency for SaaS and public cloud applications. 
  • Simplifies operations with policy-driven automation and cloud-based management. 


The traditional WAN function was connecting users at the branch or campus level to applications hosted on servers in the data centre. Typically, dedicated MPLS circuits were used to help ensure security and reliable connectivity. This no longer works in a cloud-centric world. 

Times have changed. As businesses race to adopt the use of SaaS/IaaS applications in multiple clouds, IT is realising that the user application experience is poor. This is because WAN networks designed for a different era are not ready for the unprecedented explosion of WAN traffic that cloud adoption brings. That traffic causes management complexity, application performance unpredicatability, and data vulnerability. Further opening the enterprise to the Internet and the cloud exposes major threat and compliance issues. It is extremely challenging to protect the critical assets of an enterprise when applications are accessed by a diverse workforce, whose role access ranges from employee to partner, contractor, vendor, and guest. Enabling broadband in the WAN makes the security requirements more acute, creating challenges for IT in balancing the user experience, security, and complexity. 

Making your adoption a success