Global Managed Network Services Market Size, Trends & Growth Opportunity, By Type (Managed LAN, Managed Wi-Fi, Managed VPN, Managed WAN, Network Monitoring, and Managed Network Security), By Organization size(SMEs, and Large Enterprises),By Industry Vertical(BFSI, Retail, Consumer Goods, IT, Manufacturing, Energy & Utilities, Education, Healthcare & Life sciences, Media & Entertainment, and Others), By Region and Forecast till 2030