Multi-tier Architecture

• Distributed applications on the web naturally have a multi-tier architecture.

• Java plays a role at all three levels:

  • Graphical User Interface and client side analysis systems, including visualization
  • Middle layer servers and software integration, including web servers, distributed object servers and other application servers.
  • Less important for backend client software, which may be legacy code.

Middle level servers

Client user interface running through browser

Internet

Internet or proprietary network

Backend computing or databases

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