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The clients make requests to the server

Although the source text only mentions concepts we've already met, this is a good opportunity to introduce a JavaEE version of the *Request, and to assign it to a Connector as conveyed information of an InformationFlow.

The sense of flow from the client to the server can be made stronger by using a mini scenario with Properties typed by Nodes, with a Connector to carry the *Request as conveyed information.

Also, to bind it to the «wrapper» Component, the new *Request must appear as a wrapped Class, since the «wrapper» Component does not "see" the InformationFlow directly.