Digital Infrastructure Market Size, Share & Industry Analysis, By Infrastructure Layer (Data Center Facilities & Physical Infrastructure, Compute & Acceleration Infrastructure, Storage Infrastructure, Network Infrastructure), By Hosting Model (On-Premises, Colocation, Hosted Private/Managed Infrastructure, and Public Cloud Infrastructure), By Enterprise Type (Large Enterprises and Small & Medium Enterprises (SMEs)), By Industry (IT & Telecommunications, BFSI, Manufacturing & Industrial, Retail & E-commerce, Government & Defense, Healthcare, and Others), and Regional Forecast, 2026-2034