Tutorial: Networking our whiteboard with servlets.
Find out how to easily replace the RMI and sockets networking layers with servlets.
Tutorial Details:
Servlets are server extensions written in Java, usually for Web servers. A growing number of Web servers support them, including Apache, Java Web Server (JWS), O'Reilly's WebSite, and Netscape's various offerings.
Find out how to easily replace the RMI and sockets networking layers with servlets.
Servlets are interesting because they don't fork a new process for every request that comes in, which makes them much faster than CGI. Under some Web servers, such as JWS, servlets are even faster than Fast-CGI because there is no process task switch; the servlets run as threads within the server process itself.
Because Web-based servlets respond to HTTP methods such as GET and POST, servlet-based communication is able to get around firewalls, which block sockets and RMI. As an added bonus, it's easy to use SSL to secure communications between SSL-enabled clients (Netscape, for example) and servlets running under an SSL-enabled Web server. SSL (or Secure Sockets Layer) is an encryption-based protocol used to protect data sent over the Internet from eavesdropping.
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Building Search Engine Applications Using Servlets !
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Introduction
This tutorial takes
Build
servlet-based enterprise Web applications - JavaWorld - December
1998