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This topic introduces the main components of the ITS environment, which are used when a Web application is executed as a standalone application (rather than integrated into the Workplace architecture). You can use the ITS architecture to trace each step in the process, from when the user enters data in the input form, to when the list is displayed in the Web browser.

ITS Architecture (without Workplace integration)

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The user enters the data. The Web browser then sends an HTTP request to the Web server (1).

The Web server calls the Web gateway (WGate) (2), which passes this request to the ITS process, the application gateway (AGate).

AGate loads the appropriate service and opens the connection to the SAP system. The data is sent to the application server of the SAP system using the appropriate context.

The SAP system calls the BAPI and passes the resulting output data to the ITS AGate. (5).

The AGate finds the correct HTML template and inserts the output data using an interpreter.

The resulting, formatted Web page is passed to the WGate (7) and then, using the Web server (8), to the Web browser (9). The browser then displays the results of the BAPI call.