Architectural Roles for Servlets

• Middle-tier process:

  • Connection management to multiple clients
  • Transaction management
  • Business Rule Enforcement
  • Supporting different types of clients, such as HTML and Java applet

• Proxy server for applets to connect to other hosts.

• Protocol support other protocols: SMTP, POP, FTP, . . .

• Some servers allow the <servlet> tag in HTML, and the server will call the servlet to insert text into the outgoing HTML stream

• CGI scripts

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