Identity as a Service Market By Component (Provisioning, Single-Sign-On (SSO), Multi-Factor Authentication (MFA), Audit, Compliance and Governance, Directory Services, Password Management), By Deployment Type (Public cloud, Private cloud, Hybrid cloud), By Enterprise Size (Large Enterprise, SME's), By Industry Vertical (BFSI, IT and Telecom, Manufacturing, Government and Public Sector, Energy and Utilities, Healthcare, Others): Global Opportunity Analysis and Industry Forecast, 2021-2031