Some of Key properties of Gateway Server(1)
Gateway is a middle-tier written in pure Java and CORBA and supports both data-flow and event-driven computation.
It supports the sessions of multiple users and even more each user can deal multiple applications at the same time
The Server and each context are just instantiation of our implementation class of GatewayContext interface
Servers can be put into a hierarchical tree so that user can view his distributed application as a unit.
It supports the server-side collaborative environment because of inherent collaborative feature of CORBA objects that anyone can access to if he knows its reference