How a three-tier web application works

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An animation to illustrate how a three-tier web application works

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How a three-tier web application works

  1. 1. <ul><li>The web browser sends HTTP requests to the web server </li></ul><ul><li>Web server requests a service of and passes parameters to application tier </li></ul><ul><li>Application tier services request by making queries and updates against the database </li></ul><ul><li>Results passed back to the presentation tier which creates user interface in HTML </li></ul><ul><li>HTML returned to client browser.. </li></ul>request ? results html Browser (HTML) Server (HTTP) Internet Presentation tier Application tier Relational Database(s) Integration tier SQL

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