Server-side notification to browser-clients is often implemented using applets with RMI, CORBA or custom TCP/IP messaging. These techniques are often complex to implement, have firewall restrictions, and require additional server development/maintenance. Further, it is hard to integrate the state of the client-applet with the browser's page-content other than refreshing the page or doing all content-layout within the applet.
| Send Events From Servlets to DHTML Client Browsers
| Posted on Tuesday March 28, @07:37PM Pacific|
Pushlets are a servlet-based mechanism where data is pushed directly from server-side Java objects to (Dynamic) HTML pages within a client-browser without using Java applets or plug-ins. A good introduction to Pushlets can be found in a recent Java World article.
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