Network as a Service (NaaS) Market Size By Type (LAN as a Service, WAN as a Service, Bandwidth on Demand (BoD), VPN as a Service, Managed Services), By Enterprise Size (Large Enterprises, SME), By Application (IT & Telecom, BFSI, Manufacturing, Healthcare, Government & Public Sector, Retail), Industry Analysis Report, Regional Outlook, Growth Potential, Competitive Market Share & Forecast, 2019 - 2025