What I understand so far:
Business delegate. At the presentation level, as an ASP component, an interface is provided for ASP views to access business components without exposing their APIs, which helps reduce communication between them.
Session Facade. At the business level, as a component of com +, it encapsulates business objects, provides an interface of course beans for viewing to access business components. It reduces communication, hides the interaction of complex business components with representations.
So what is the difference? They seem very similar to me.
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