Companies are rebranding their SDN products as SD-WAN, dynamic networking, agile networking, or cloud-native network to avoid being part of the SDN hype.
Gartner's recent 2018 Magic Quadrant report for WAN Edge Infrastructure provides a good overview of the SD-WAN market but its viewpoints may be a bit old-fashioned.
At the SD-WAN Summit 2018 in Paris, one of the more contentious debates was which will come first: next-generation firewall or new SD-WAN capabilities?