Ajax, meet Comet. Comet, this is Ajax. You will get along fine.

Posted in Tech, Web at 1 pm

Ajax is client side asynch communication. Comet is the Server-side equivalent.

Comet: Low Latency Data for the Browser:

So what makes these apps special? What makes them different from other things that might at first glance appear similar? Fundamentally, they all use long-lived HTTP connections to reduce the latency with which messages are passed to the server. In essence, they do not poll the server occasionally. Instead the server has an open line of communication with which it can push data to the client.

As is illustrated above, Comet applications can deliver data to the client at any time, not only in response to user input. The data is delivered over a single, previously-opened connection. This approach reduces the latency for data delivery significantly.

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