Articles

In this fourth installment of the “Hello World with Lightstreamer” series, we will focus on a new feature that was released with Lightstreamer Server version 3.6: Action Message Format (AMF) support for Flex applications.

The WebSocket protocol has been touted as a great leap forward for bidirectional web applications like chat, promising a new era of simple Comet applications.

One of the most common use-cases for Comet is the ubiquitous stock ticker demo. Building a stock ticker that has useful functionality is a whole different matter…

On December 22nd, the popular Spanish Christmas Lottery took place. This lottery is arranged by the Spanish Government and has a very long tradition in Spain, especially at Christmas when the rewards are the greatest.

When writing about Comet technologies, sometimes we tend to be a bit abstract and theoretical. In this case, I would like to focus on concrete working examples.

I recall just a few years ago hearing warning that Ajax should be avoided. As I recall, the biggest objection to Ajax at the time was that users were not ready for Ajax. Many felt that users expected pages to fully refresh and re-rendering part of a page would cause confusion.

What factors go into the decision of choosing between Ajax, Flash, and Silverlight for your Comet applications?

cometd-jetty now has an acknowledged message mechanism for reliable message delivery.

I recently had the chance to interview the creator of iStreamLight, an open-source library for the iPhone that implements the network protocol of Lightstreamer.

Recent discussions on Comet server performance have focused on sockets and IO. However, different usage profiles can cause some very different performance results.