Chapter 22 Networking and Distributed Computing

HP VUE is designed to work in a highly networked environment. This is especially the case with HP VUE actions, which are designed to provide "network transparency" for the user.

An action defined locally can run an application on a remote host, or application server.
Figure 22-1 A local action can run a remote application.
The data can be located on a remote file server. For example, an action defined locally can use an application on one remote system, which in turn uses data on another remote system.
Figure 22-2 A remote application can access data from a file server.
An action can be defined remotely and used just as though it were defined on your system. Thus, you can use a host in your network as an action server.
Figure 22-3 An action can be defined on a remote system.

Thus, when you discuss networked actions, there may be several hosts involved:

local host: The host from which the action is invoked.
execution host: The host where the application invoked by the action runs.
data host: The host where the data is located.
database host: The host where the action is defined.

In X-terminal configurations, an additional host runs the X server.

Chapter 22 Networking and Distributed Computing

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