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Building Web Applications with UML by Jim Conallen

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Chapter Summary

  • Web systems are hypertext document systems that are relatively new to the computing world.

  • The fundamental elements of a Web system are the client browser, the network, and a Web server.

  • A Web application is a Web system that delivers business logic.

  • HTTP is the primary protocol for communication between clients and servers.

  • HTTP is a connectionless protocol. Each time a client requests a document from a Web server, a brand new connection must be established with the server.

  • URLs are identifiers of network resources. They can reference Web pages, images, applets, or other resources on the network.

  • Web pages are documents that are requested by the client and delivered by the Web server.

  • The principal formatting language for Web pages ...

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