Welcome to the Ultimate SD-WAN Guide


  • SD-WAN services and equipment come in all shapes and forms today. To help kick off your research, we’ve put together this the Ultimate SD-WAN guide. Below you will find answers to some of the most common questions asked here at SD-WAN Experts. You’ll also find a list of vendors with brief profiles. We’ll be updating those profiles regularly so you may want to check back on them.

    But no WAN deployment is ever a matter as simple as “painting by the numbers.” There are always nuances to every installation and while we can offer general observations here, only direct engagement can accurately assess your specific requirements. Fill out the form below for a free, WAN assessment.

    What is an SD-WAN?
    What are the Benefits of SD-WANs?
    How is SD-WAN Different from Hybrid WAN?
    How does SD-WAN Compare with MPLS?
    What are the Types of SD-WANs?
    What are the Buying Criteria for an SD-WAN?
    Who are the SD-WAN Suppliers?
    What is an SD-WAN?
    While there’s no one definition of a software-defined wide area network (SD-WAN), broadly speaking it’s a network where there’s a separation between the underlying data service and the rest of the protocol stack.

    As businesses computing has shifted to the Internet and the cloud, the traditional way of building WANs has become increasingly irrelevant. MPLS bandwidth has been too expensive, service configuration and deployment takes too long. The inability to adapt the network to the application forces companies to increase costs by over-provisioning their capacity, or constrain performance due to limited bandwidth.

    SD-WANs address this problem by allowing companies to use the right transport for the right application. By understanding the applications’ business requirements and performance constraints, the SD-WAN can direct data flows to MPLS or some Internet service.

     

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