Henry Naftulin

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This article defines long polling and presents a few techniques on how long polling could be used in Spring MVC web applications. Discussion covers both the AJAX and the server part of the solution as well as outlines a few possible options for implementation. The article compares performance of the two server side approaches and describes a practical example of long polling application. Introduction On daily basis we are using third party web applications, such as Gmail, or Google docs, which update web page content in real time. How can this be done in our own applications? There are a few techniques that can show real live updates in the web application: server push, long polling, web events, and web sockets to name a few. This article will specifically focus on long polling as a potential solution for real time web updates. Implementations of long polling is al... (more)