Basic HTML version of Foils prepared May 19 99

Foil 3 Architectural Roles for Servlets

From Overview of JDBC: Java Database Connectivity Java Servlets -- Spring Semester 1999. by Nancy McCracken
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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Page produced by wwwfoil on Mon Jul 5 1999