Request cycle

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The request cycle is a cycle that runs in a web application .

The trigger for this cycle can be, for example, that the user clicks a hyperlink in his browser . Then an HTTP request is generated by his browser and sent to the web application server . In the HTTP request, a URL optionally transmits additional data that the web application can use to decide which code is to be executed. The application-specific code of the web application is then executed and an HTML page, for example, is generated as the result . This is then displayed in the user's browser and the cycle can begin again.

The request cycle :

  1. The client sends an HTTP request to the web application
  2. Web application processes the request and generates new data in response
  3. The web application sends the data with an HTTP response
  4. Presentation of the data in the client (usually a browser )