
http://en.wikipedia.org/wiki/WebSocket[WebSockets] is a technology that provides full-duplex communications channels over a single TCP connection. 
This means that once the browser establish a web socket connection to the server the server can push data back to the browser without the browser explicitly asking again and again whether there is something new for it.

Wicket Native WebSockets modules provide functionality to integrate with the standard Jakarta WebSocket API as implemented by different web containers (like http://tomcat.apache.org/[Apache Tomcat]).

NOTE: The WebSocket protocol is supported by all modern browsers. Wicket provides native WebSocket integration for Jetty 11+, Tomcat 10+, and WildFly 27+.

