Thanks everyone for the excellent feedback.
Someone sent me this message:
Do a search for pushlets, or alternatively
I think the generic technology might be
called comet. Basically the server sends
streaming XML or _javascript_, with an
occasional heartbeat pulse/element to
keep the connection alive.
That sounded promising. I did a search for "pushlets" and found this site with example pushlets:
http://www.pushlets.com/pushlet/examples/pushlet.html
Unfortunately, it doesn't seem to have a pushlet that emits XML-formatted data.
Is there a web site that emits a continuous stream of XML-formatted time-and-temperature data? That is, when I connect to the web site it returns the root element, a location, and the current time and temperature:
<TimeAndTemperature>
<Location>Boston</Location>
<Weather>
<Time>2014-05-22T05:22:10Z</Temperature>
<Temperature>51 degrees Fahrenheit</Temperature>
</Weather>
One second later the web site sends the second <Weather> element:
<Weather>
<Time>2014-05-22T05:22:11Z</Temperature>
<Temperature>51 degrees Fahrenheit</Temperature>
</Weather>
One second later the web site sends the third <Weather> element:
<Weather>
<Time>2014-05-22T05:22:12Z</Temperature>
<Temperature>51 degrees Fahrenheit</Temperature>
</Weather>
The web site continues to send a <Weather> element every second until I disconnect.
Does such a web site exist?
/Roger
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