SD-WAN (Software-Defined Wide Area Network)
Intelligently route traffic across multiple connections for performance and resilience
What it is
SD-WAN replaces traditional MPLS and static WAN configurations with intelligent, software-defined traffic routing across multiple connection types: broadband, fiber, cellular, and dedicated circuits. The technology prioritizes critical applications like voice and video over lower-priority traffic like software updates, dynamically adjusts routing based on real-time path quality, encrypts traffic between sites, and provides centralized management and visibility across all locations from a single dashboard. For multi-location organizations, SD-WAN often delivers better performance at 30 to 50 percent lower cost than legacy MPLS networks.
Why it matters
Legacy MPLS networks are expensive, inflexible, and backhaul all traffic through a central data center even when users are accessing cloud applications. SD-WAN routes cloud traffic directly to the internet, prioritizes critical applications, and uses less expensive broadband connections to replace costly MPLS circuits.
What to expect
Deployment involves installing SD-WAN appliances at each location and configuring application policies centrally. A phased rollout across locations typically takes two to eight weeks depending on the number of sites. Migration from MPLS can be done gradually with both networks running in parallel during transition.
Where this fits
Business concerns
Common questions
Can SD-WAN replace our MPLS network?
In most cases, yes. SD-WAN over broadband or DIA connections provides comparable or better application performance at significantly lower cost. Some organizations maintain a single MPLS circuit for legacy applications while migrating everything else to SD-WAN.
Does SD-WAN include security?
Many SD-WAN platforms include integrated security features like encryption, firewalling, and intrusion prevention. For organizations needing comprehensive security at the edge, SASE solutions combine SD-WAN with full cloud-delivered security.
Related Connectivity and Internet services
Dedicated Internet
Guaranteed bandwidth with symmetrical speeds and enterprise-grade SLAs
Business Fiber
High-speed fiber optic internet built for business reliability and performance
Broadband / Cable Internet
Cost-effective internet for standard business needs and secondary connections
Fixed Wireless Internet
High-speed internet delivered wirelessly, no cable infrastructure required
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