What Is Architectural Framework In E-commerce?

What Is Architectural Framework In E-commerce? Architectural framework of E-commerce includes Application layer, Interface and support. services, Management layer, Messaging layer, Middleware services and Network service layer. What are different layers in ecommerce framework? (1) applications; (2) brokerage services, data or transaction management; (3) interface, and; support layers” (4) secure messaging, security and electronic document