Software Defined Wide Area Network Market by Type (Virtual appliance, Physical appliance, Hybrid, Other) by Application (Oil and Gas, Healthcare, Government, Manufacturing, Others) by End User (It & Telecom, BFSI, Manufacturing, Retail, Transportations & Logistics, Energy & Utilities, Mobile & Entertainment, Government & Defense, Healthcare & Life Science) , by Region (North America, Europe, Asia Pacific, Latin America and Middle East & Africa): Global Market Assessment, 2021 – 2028