If you are looking for a true push solution take a look at Lightstreamer push server. They have examples for Flex. I have created a push solution based on the Lightstreamer push server, .Net data adapter, Flex JS bridge, and a few more things. Took me some time but it works very good. I haven't tested it in environment as heavy on users as yours, but it looks very promising for upscaling. I would suggest to take a look at the LS push server, and their samples. BTW, documentation is very good. Then if you would want I can show what I have so far.
Mark --- In [email protected], Cameron <[EMAIL PROTECTED]> wrote: > > I've got a flex app that needs to update data routinely (about once per > minute). The data is stored in a database on my server and there could > be several 10's to hundreds of users who are looking at the data > simultaneously via the flex app. The data is represented by colored dots > on a map. When the data changes, and it does about once per minute, I > basically need to update the color of one or potentially several > thousand objects on the map. I'd like for the changes to be seen by all > users at the same time (data push right?). I've seen a tutorial online > (the horse race one) about doing something similar, but it required the > Adobe Media Server on the server side. Is there a cheaper and better way > to do this using one of the open source AMF's out there? I've played > around with AMF::Perl, but it doesn't seem to have the data push > capability, only responds to requests as far as I can tell. Has anyone > done something like this? If so what did you use? I'm working with > Win2k3, IIS6, and SQL Express if that makes a difference. Currently, I > have a program running on the server creating an XML file with the color > of the objects as one of the attributes. My flex app routinely reloads > this file, but this is cumbersome as it has to reload all the objects > and all users of the app don't update simultaneously since the timers > all start at differnet times. Looking for some good advice and would be > willing to pay for expert help. > > Regards, > > Cameron >
